СПИСОК патентов США - подгруппа МПК G01S13/75
|
№ п/п | Номер патента | Название патента | |||
2017 | |||||
1 | 9606224 | Systems and methods for vehicle position detection | |||
2 | 9606223 | High-accuracy and low-power tracking system for mobile devices | |||
3 | 9599703 | Methods and systems for determining a range rate for a backscatter transponder | |||
4 | 9592424 | Apparatuses and methods relating to findable balls | |||
5 | 9581689 | Reader/writer and article sorting system | |||
6 | 9581165 | Systems and methods for avian mitigation for wind farms | |||
7 | 9576167 | Locating parts with electromagnetic identification (EMID) tags for contextual visualization | |||
8 | 9562973 | Multimode device for locating and identifying items | |||
9 | 9558383 | Intermodulation mitigation technique in an RFID system | |||
10 | 9551786 | Ranging and positioning system | |||
11 | 9537194 | Multimode resonator and RFID tags using the same | |||
2016 | |||||
12 | 9519750 | Athletic performance monitoring systems and methods in a team sports environment | |||
13 | 9511260 | Athletic performance monitoring systems and methods in a team sports environment | |||
14 | 9500743 | Golf ball locator | |||
15 | 9477865 | System for and method of accurately determining true bearings of radio frequency identification (RFID) tags associated with items in a controlled area | |||
16 | 9477863 | Systems and methods to determine motion parameters using RFID tags | |||
17 | 9476975 | Non-linear resonating sensor and a method | |||
18 | 9471820 | Method and system for locating objects | |||
19 | 9470787 | Interrogator and system employing the same | |||
20 | 9452319 | Athletic performance monitoring systems and methods in a team sports environment | |||
21 | 9442192 | Method and apparatus for location determination using reflected interferometry | |||
22 | 9436859 | Ad hoc localization using a movable reader and movable id tags | |||
23 | 9431692 | Tracking biological and other samples using RFID tags | |||
24 | 9427624 | Athletic performance monitoring systems and methods in a team sports environment | |||
25 | 9413418 | Synchronization of a real-time UWB locating system | |||
26 | 9405949 | System for interrogating a remotely interrogatable passive sensor integrated into a metal cavity with reduced system loss and interrogation method | |||
27 | 9403060 | Athletic performance monitoring systems and methods in a team sports environment | |||
28 | 9378401 | System for the detection of customer media comprising an RF transceiver in a public transport conveyance | |||
29 | 9375628 | Associative object tracking systems and methods | |||
30 | 9361494 | System and method of estimating true bearings of radio frequency identification (RFID) tags associated with items located directly underneath an overhead antenna array in a controlled area | |||
31 | 9358954 | System and method for finding vehicle | |||
32 | 9349029 | Transmission apparatus for a wireless device | |||
33 | 9342989 | Radio-enabled collision avoidance system | |||
34 | 9339715 | Radar based tracking system for golf driving range | |||
35 | 9334627 | Determination of remote control operator position | |||
36 | 9322906 | Wireless MEMS sensor and method of reading the same | |||
37 | 9316496 | Position determination method and geodetic measuring system | |||
38 | 9312400 | Power harvesting device | |||
39 | 9285453 | Method of near-field electromagnetic ranging and location | |||
40 | 9265991 | Method and system for monitoring movement of a sport projectile | |||
41 | 9262912 | Localizing tagged assets using modulated backscatter | |||
42 | 9244162 | Method, system and computer program product for ranging RFID tags | |||
43 | 9244153 | Radio frequency identification in safety applications | |||
44 | 9229099 | Omnidirectional retrodirective antennas | |||
2015 | |||||
45 | 9208362 | Methods, systems and apparatuses for radio frequency identification | |||
46 | 9207308 | Doppler sensor and illumination device including same | |||
47 | 9195862 | Radio frequency identification reader and a method for locating a tag by the radio frequency identification reader | |||
48 | 9194944 | Measurement device | |||
49 | 9182480 | Information technology (IT) equipment positioning system | |||
50 | 9178731 | Transmission apparatus for a wireless device using delta-sigma modulation | |||
51 | 9178279 | Wireless IC tag, reader-writer, and information processing system | |||
52 | 9164169 | Radio frequency transponder system | |||
53 | 9135480 | Multi-protocol or multi command RFID system | |||
54 | 9134412 | Transponder device | |||
55 | 9111190 | System for and method of locating radio frequency identification (RFID) tags associated with items in a controlled area | |||
56 | 9111156 | Systems and methods for compressive sensing ranging evaluation | |||
57 | 9103909 | System and method for determining whether an object is located within a region of interest | |||
58 | 9097789 | Apparatus and method for electromagnetic wave structure modulation | |||
59 | 9095043 | Electromagnetic cloak using metal lens | |||
60 | 9091752 | Radar device, radar positioning system, radar positioning method, and computer readable media storing radar positioning program | |||
61 | 9079090 | Sports apparatus and method | |||
62 | 9041588 | Object detection device and object detection method | |||
63 | 8977483 | Methods and apparatus for beacon code changes in an air traffic control system | |||
64 | 8952841 | System and method for TCAS based navigation | |||
2014 | |||||
65 | 8643534 | System for sensing aircraft and other objects | |||
66 | 8638255 | System for reading information transmitted from a transponder | |||
2013 | |||||
67 | 8531329 | Method and device for determining the thickness of material using high frequency | |||
68 | 8487809 | System for response to a signal transmitted by a radar and use of this system notably for testing radars, in particular of the MTI type | |||
2012 | |||||
69 | 8212678 | RFID system, gate arrangement with RFID system and method of detecting transponders | |||
2011 | |||||
70 | 7969348 | Systems and methods for obtaining and using data from a localized location and telemetry system in a wide area location and telemetry system | |||
71 | 7884753 | Apparatus and method for ranging of a wireless transceiver with a switching antenna | |||
2010 | |||||
72 | 7724178 | Traffic alert collision avoidance system (TCAS) devices and methods | |||
2009 | |||||
73 | 7570199 | Device and method for detecting overlap of pulse signals and apparatus for estimating distance using the same | |||
2008 | |||||
74 | 7391360 | Method for locating a detection microchip | |||
2007 | |||||
75 | 7196654 | Vehicle positioning and tracking radar system | |||
76 | 7183926 | Adaptable bandwidth RFID tags | |||
2006 | |||||
77 | 7046186 | Friend/foe identification system for a battlefield | |||
2005 | |||||
78 | 6966493 | Surface acoustic wave identification tag having enhanced data content and methods of operation and manufacture thereof | |||
79 | 6965298 | Method and apparatus for facilitating communication between a user and a toy | |||
80 | 6963301 | System and method for near-field electromagnetic ranging | |||
81 | 6961829 | Data carrier comprising memory means for storing information significant for intermediate operating states | |||
82 | 6930646 | Transponder and antenna | |||
83 | 6900762 | Methods and apparatus for location determination based on dispersed radio frequency tags | |||
84 | 6897775 | Sensor, sensor system, and method for remotely sensing a variable | |||
85 | 6870461 | Integrated receiving/backscattering arrangement for contactless data transmission | |||
86 | 6866643 | Determination of finger position | |||
87 | 6859801 | Efficient memoryless protocol for tag identification | |||
88 | 6859640 | Demodulation capacity of an electromagnetic transponder | |||
89 | 6859164 | Detecting system | |||
90 | 6856935 | Camera tracking system for a virtual television or video studio | |||
91 | 6856250 | Tracking system, apparatus and method | |||
2004 | |||||
92 | 6831562 | Object identification system with adaptive transceivers and methods of operation | |||
93 | 6825794 | Wireless communication system using surface acoustic wave (SAW) second harmonic techniques | |||
94 | 6819246 | Method and apparatus for converting electromagnetic energy of objects | |||
95 | 6775616 | Environmental location system | |||
96 | 6775323 | Data coding system | |||
97 | 6766141 | Remote down-hole well telemetry | |||
98 | 6756880 | Reader and response control system for discrimination between multiple surface acoustic wave identification tags and method of operation thereof | |||
99 | 6750769 | Method and apparatus for using RFID tags to determine the position of an object | |||
100 | 6741178 | Electrically powered postage stamp or mailing or shipping label operative with radio frequency (RF) communication | |||
101 | 6693512 | Device location and identification system | |||
102 | 6693511 | System and method for communicating with dormant radio frequency identification tags | |||
2003 | |||||
103 | 6664916 | System and method for identifying navigational markers using radar | |||
104 | 6661335 | System and method for locating radio frequency identification tags | |||
105 | 6650695 | Wireless digital data transmission from a passive transceiver | |||
106 | 6633226 | Frequency hopping spread spectrum passive acoustic wave identification device | |||
107 | 6630900 | Process for carrying out a non-contact remote interrogation | |||
108 | 6624785 | Receiver designed to pick up an electromagnetic signal and system using such a receiver | |||
109 | 6621417 | Passive RFID transponder/reader system and method for hidden obstacle detection and avoidance | |||
110 | 6621410 | System for item and orientation identification | |||
111 | 6620057 | System for locating golf balls | |||
112 | 6611758 | Environmental location system | |||
113 | 6611224 | Backscatter transponder interrogation device | |||
114 | 6603391 | Phase shifters, interrogators, methods of shifting a phase angle of a signal, and methods of operating an interrogator | |||
115 | 6580978 | Path following using bounded beacon-aided inertial navigation | |||
116 | 6580358 | Dual mode transmitter-receiver and decoder for RF transponder tags | |||
117 | 6559790 | Broadband passive moving target simulator | |||
118 | 6556146 | Radio-interrogated surface-wave technology sensor | |||
119 | 6535108 | Modulation of the resonant frequency of a circuit using an energy field | |||
120 | 6531957 | Dual mode transmitter-receiver and decoder for RF transponder tags | |||
121 | 6509836 | Smart reflection antenna system and method | |||
2002 | |||||
122 | 6501807 | Data recovery system for radio frequency identification interrogator | |||
123 | 6501416 | Article identification apparatus and method | |||
124 | 6471878 | Method for forming a radio frequency responsive target and apparatus for verifying the authenticity of same | |||
125 | 6456225 | Reflector circuit | |||
126 | 6452504 | System and method for communication with radio frequency identification tags using tow message DFM protocol | |||
127 | 6434372 | Long-range, full-duplex, modulated-reflector cell phone for voice/data transmission | |||
128 | 6433671 | Dual mode transmitter-receiver and decoder for RF transponder tags | |||
129 | 6424916 | Environmental location system | |||
130 | 6420994 | Volume in space locator | |||
131 | 6407695 | Process for carrying out a non-contact remote enquiry | |||
132 | 6400274 | High-performance mobile power antennas | |||
133 | 6396438 | System and method for locating radio frequency identification tags using three-phase antenna | |||
134 | 6388360 | Surface acoustic wave transponder configuration | |||
135 | 6375780 | Method of manufacturing an enclosed transceiver | |||
136 | 6369772 | Reflector circuit | |||
137 | 6362737 | Object Identification system with adaptive transceivers and methods of operation | |||
138 | 6356230 | INTERROGATORS, WIRELESS COMMUNICATION SYSTEMS, METHODS OF OPERATING AN INTERROGATOR, METHODS OF MONITORING MOVEMENT OF A RADIO FREQUENCY IDENTIFICATION DEVICE, METHODS OF MONITORING MOVEMENT OF A REMOTE COMMUNICATION DEVICE AND MOVEMENT MONITORING METHODS | |||
139 | 6351215 | Monitoring antenna system | |||
140 | 6340932 | Carrier with antenna for radio frequency identification | |||
2001 | |||||
141 | 6325294 | Method of manufacturing an enclosed transceiver | |||
142 | 6278369 | Methods of tagging an object having a conductive surface | |||
143 | 6259991 | Environmental location system | |||
144 | 6252541 | Low RCS test mounts | |||
145 | 6252396 | Moving object control system | |||
146 | 6246356 | Omnidirectional transponder | |||
147 | 6243012 | Inexpensive modulated backscatter reflector | |||
148 | 6236314 | Transponder modules, RF tagging system, method of operating a transponder module and methods of tagging an object having a conductive surface | |||
149 | 6233088 | Methods for modulating a radiation signal | |||
150 | 6220516 | Method of manufacturing an enclosed transceiver | |||
151 | 6215437 | Procedure for reading the data stored in a transponder and a transponder system for the execution of the procedure | |||
152 | 6208235 | Apparatus for magnetically decoupling an RFID tag | |||
153 | 6204765 | Method of detecting relative direction of motion of a radio frequency (RF) tag | |||
154 | 6192951 | Heavy-duty pneumatic radial tire with transponder buried in bead filler | |||
155 | 6172608 | Enhanced range transponder system | |||
156 | 6169512 | Signal wave based detection system and method, with direction dependent transmission parameter | |||
2000 | |||||
157 | 6163259 | Pulse transmitting non-linear junction detector | |||
158 | 6162190 | Determination of kinematically constrained multi-articulated structures | |||
159 | 6157898 | Speed, spin rate, and curve measuring device using multiple sensor types | |||
160 | 6151563 | Speed, spin rate, and curve measuring device using magnetic field sensors | |||
161 | 6150986 | Antenna system comprising driver circuits for transponder | |||
162 | 6150934 | Electronic communication system between a base station and transponders | |||
163 | 6148271 | Speed, spin rate, and curve measuring device | |||
164 | 6144916 | Itinerary monitoring system for storing a plurality of itinerary data points | |||
165 | 6144332 | Passive surface wave sensor which can be wirelessly interrogated | |||
166 | 6137623 | Modulatable reflectors and methods for using same | |||
167 | 6133835 | Identification transponder | |||
168 | 6130623 | Encryption for modulated backscatter systems | |||
169 | 6122329 | Radio frequency identification interrogator signal processing system for reading moving transponders | |||
170 | 6114971 | Frequency hopping spread spectrum passive acoustic wave identification device | |||
171 | 6107910 | Dual mode transmitter/receiver and decoder for RF transponder tags | |||
172 | 6104279 | Method of communication between a plurality of remote units and a control unit | |||
173 | 6100821 | Apparatus for detecting magnetostrictive resonator and traffic system | |||
174 | 6097189 | Object locating system | |||
175 | 6084530 | Modulated backscatter sensor system | |||
176 | 6084503 | Radio-interrogated surface-wave technology sensor | |||
177 | 6078791 | Radio frequency identification transceiver and antenna | |||
178 | 6070803 | Reading device for a transponder | |||
179 | 6060815 | Frequency mixing passive transponder | |||
180 | 6049301 | Surveillance apparatus and method for the detection of radio receivers | |||
181 | 6046668 | Interrogator circuit arrangement | |||
182 | 6045652 | Method of manufacturing an enclosed transceiver | |||
183 | 6043755 | Systems and methods employing a plurality of signal amplitudes to record the presence of multiple objects | |||
184 | 6028503 | Contactless data transmission and receiving device with a synchronous demodulator | |||
185 | 6011488 | Radio frequency interface device for a transponder | |||
1999 | |||||
186 | 6002297 | Digital filter | |||
187 | 5995019 | Method for communicating with RF transponders | |||
188 | 5995017 | Electronic identification system confirming valid code | |||
189 | 5986382 | Surface acoustic wave transponder configuration | |||
190 | 5966083 | Electronic indentification system with transponder muting | |||
191 | 5963144 | Cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags to increase interrogation reliability | |||
192 | 5952935 | Programmable channel search reader | |||
193 | 5945938 | RF identification transponder | |||
194 | 5937789 | Animal identification device for oral administration | |||
195 | 5936528 | Visually handicapped person guidance and support | |||
196 | 5910787 | Integrated projector-low radar cross-section (RCS) source support pylon and low RCS measurement system employing same | |||
197 | 5910779 | Radio scanning system using acoustical surface waves (SW radio scanning system) | |||
198 | 5909624 | Method of making integration of high value capacitor with ferroelectric memory | |||
199 | 5891240 | Radio frequency automatic identification system | |||
200 | 5889489 | Diode receiver for radio frequency transponder | |||
201 | 5872520 | Identification and/or sensor system | |||
202 | 5866891 | Transmitter-receiver for non-contact IC card system | |||
203 | 5864302 | Transmitting and receiving system | |||
204 | 5864301 | Systems and methods employing a plurality of signal amplitudes to identify an object | |||
1998 | |||||
205 | 5847672 | Electronic baffle and baffle controlled microwave devices | |||
206 | 5841770 | Data communication system using indentification protocol | |||
207 | 5841214 | Identification mark operating with acoustic surface waves | |||
208 | 5838254 | Transmission-reception time correction system | |||
209 | 5838253 | Radio frequency identification label | |||
210 | 5838074 | Anti-theft system for a motor vehicle | |||
211 | 5825329 | Modulated backscatter microstrip patch antenna | |||
212 | 5819164 | Modulated retroreflection system for secure communication and identification | |||
213 | 5818382 | Long range RF tag | |||
214 | 5815355 | Modulation compensated clamp circuit | |||
215 | 5812065 | Modulation of the resonant frequency of a circuit using an energy field | |||
216 | 5808577 | Stealth aircraft identification system | |||
217 | 5793324 | Transponder signal collision avoidance system | |||
218 | 5787174 | Remote identification of integrated circuit | |||
219 | 5779839 | Method of manufacturing an enclosed transceiver | |||
220 | 5777561 | Method of grouping RF transponders | |||
221 | 5776278 | Method of manufacturing an enclosed transceiver | |||
222 | 5774045 | Arrangement for detecting objects in a region to be monitored | |||
223 | 5771021 | Transponder employing modulated backscatter microstrip double patch antenna | |||
224 | 5767792 | Method for calibrating a temperature sensing transponder | |||
225 | 5748136 | Electronic landmark enhancement to GPS based navigation systems | |||
226 | 5745071 | Method and apparatus for precisely locating a resonant object | |||
227 | 5734332 | Identification device | |||
228 | 5734326 | Recognition tag for use in a system for identifying distant items | |||
229 | 5731691 | Power supply circuitry for a transponder and operable with infinitesimal power from receiving antenna | |||
230 | 5729576 | Interference canceling receiver | |||
231 | 5726630 | Detection of multiple articles | |||
232 | 5724030 | System monitoring reprogrammable implantable transponder | |||
233 | 5721553 | Low RCS test mounts | |||
234 | 5719586 | Spherical antenna pattern(s) from antenna(s) arranged in a two-dimensional plane for use in RFID tags and labels | |||
235 | 5712630 | High power moving object identification system | |||
1997 | |||||
236 | 5703573 | Transmitter-receiver for non-contact IC card system | |||
237 | 5695860 | Resonant tag and method of manufacturing the same | |||
238 | 5691731 | Closed slot antenna having outer and inner magnetic loops | |||
239 | 5691698 | Identification and/or sensor system | |||
240 | 5686920 | Transponder maintenance mode method | |||
241 | 5686902 | Communication system for communicating with tags | |||
242 | 5680459 | Passive transponder | |||
243 | 5680136 | Electrically adjustable microwave reflector and application as an electromagnetic decoy | |||
244 | 5676157 | Determination of kinematically constrained multi-articulated structures | |||
245 | 5671786 | Apparatus for automatic refueling of vehicles | |||
246 | 5670959 | Antenna reflector | |||
247 | 5661473 | System for the identification and automatic detection of vehicles or objects | |||
248 | 5649295 | Dual mode modulated backscatter system | |||
249 | 5648765 | Tag tansponder system and method to identify items for purposes such as locating, identifying, counting, inventorying, or the like | |||
250 | 5642103 | Transponder used in a remote identification system | |||
251 | 5640151 | Communication system for communicating with tags | |||
252 | 5627544 | Data communication method using identification protocol | |||
253 | 5621396 | Method and apparatus with adaptive transponder plucking | |||
254 | 5621199 | RFID reader | |||
255 | 5619207 | Highly accurate RE-ID positioning system | |||
256 | 5608406 | Device for controlling discharge of a charge capacitor in a transponder | |||
257 | 5608246 | Integration of high value capacitor with ferroelectric memory | |||
258 | 5606323 | Diode modulator for radio frequency transponder | |||
259 | 5598169 | Detector and modulator circuits for passive microwave links | |||
260 | 5596324 | Electronic baffle and baffle controlled microwave devices | |||
261 | 5594448 | Highly accurate RF-ID positioning system | |||
1996 | |||||
262 | 5589251 | Resonant tag and method of manufacturing the same | |||
263 | 5583850 | Data communication system using identification protocol | |||
264 | 5583507 | Passive identification of friend vs. foe apparatus and method | |||
265 | 5581257 | Radio frequency automatic identification system | |||
266 | 5579008 | Electronic license plate apparatus and method | |||
267 | 5572226 | Spherical antenna pattern(s) from antenna(s) arranged in a two-dimensional plane for use in RFID tags and labels | |||
268 | 5563589 | Remote identification device | |||
269 | 5550548 | Interrogator for detecting adjacent transponders | |||
270 | 5550536 | Circuit frequency following technique transponder resonant | |||
271 | 5548461 | Arc suppressor | |||
272 | 5548291 | Read/write transponder arrangement and method of communication | |||
273 | 5542118 | Induction field coupled transmission system incorporating a passive transmitter | |||
274 | 5541604 | Transponders, Interrogators, systems and methods for elimination of interrogator synchronization requirement | |||
275 | 5537105 | Electronic identification system | |||
276 | 5530637 | Electric power receiving circuit and responder for automatic vehicle identification system including the same | |||
277 | 5528232 | Method and apparatus for locating items | |||
278 | 5525993 | Microwave noncontact identification transponder using subharmonic interrogation and method of using the same | |||
279 | 5525991 | Mobile object identification system | |||
280 | 5519381 | Detection of multiple articles | |||
281 | 5517194 | Passive RF transponder and method | |||
282 | 5517188 | Programmable identification apparatus and method therefor | |||
283 | 5515053 | Transponder and data communications system | |||
284 | 5504485 | System for preventing reading of undesired RF signals | |||
285 | 5500650 | Data communication method using identification protocol | |||
286 | 5497140 | Electrically powered postage stamp or mailing or shipping label operative with radio frequency (RF) communication | |||
287 | 5491484 | Electronic transponder tuning circuitry | |||
288 | 5491483 | Single loop transponder system and method | |||
289 | 5485520 | Automatic real-time highway toll collection from moving vehicles | |||
290 | 5483241 | Precision location of aircraft using ranging | |||
291 | 5481478 | Broadcast system for a facility | |||
292 | 5481262 | System monitoring programmable implanatable transponder | |||
1995 | |||||
293 | 5479172 | Power supply and power enable circuit for an RF/ID transponder | |||
294 | 5473330 | Tagging system having resonant frequency shift compensation | |||
295 | 5469170 | Passive SAW-ID tags using a chirp transducer | |||
296 | 5465099 | Detectable device and movable item detecting system | |||
297 | 5457461 | Method and arrangement for detecting adjacent transponders | |||
298 | 5457447 | Portable power source and RF tag utilizing same | |||
299 | 5455575 | Multi-interrogator, datacom and transponder arrangement | |||
300 | 5451959 | Transponder arrangement | |||
301 | 5450088 | Transponder arrangement | |||
302 | 5450087 | Transponder maintenance mode method | |||
303 | 5448110 | Enclosed transceiver | |||
304 | 5447779 | Resonant tag and method of manufacturing the same | |||
305 | 5444448 | Arrangement interrogation unit for transponder | |||
306 | 5438335 | Responder unit for transponder arrangement | |||
307 | 5436631 | System for targeted braking of vehicles | |||
308 | 5432518 | Closed slot antenna having outer and inner magnetic loops | |||
309 | 5424741 | Radiation detectable inflatable decoy | |||
310 | 5423549 | Apparatus with a signal receiving unit for locating golf balls | |||
311 | 5422636 | System monitoring programmable implantable transponder | |||
312 | 5416486 | Identification/security tag system employing electronic doppler shifting and/or rectenna structure | |||
313 | 5410315 | Group-addressable transponder arrangement | |||
314 | 5402469 | Carrier locating system | |||
315 | 5396251 | Electronic transponder tuning procedure | |||
316 | 5387916 | Automotive navigation system and method | |||
317 | 5382952 | Transponder for proximity identification system | |||
1994 | |||||
318 | 5374930 | High speed read/write AVI system | |||
319 | 5365551 | Data communication transceiver using identification protocol | |||
320 | 5365235 | Method and apparatus for reducing residual RF power in a transmitter/receiver antenna | |||
321 | 5361071 | Microwave identification system | |||
322 | 5359250 | Bulk wave transponder | |||
323 | 5355120 | Frequency-dividing-transponder tag | |||
324 | 5349357 | Circuit arrangement for obtaining a constant field strength of an HF signal radiated by a transmitting device with exchangeable antenna | |||
325 | 5347280 | Frequency diversity transponder arrangement | |||
326 | 5339074 | Very low frequency tracking system | |||
327 | 5319373 | Method and apparatus for determining ship position in a television image | |||
328 | 5317330 | Dual resonant antenna circuit for RF tags | |||
329 | 5317318 | Identification system using transponder badges, component parts therefor and applications thereof | |||
330 | 5313211 | Portable data processing device capable of transmitting processed data on a radio by reflection of unmodulated carrier signal externally applied | |||
331 | 5311191 | Automatic anechoic chamber calibrator | |||
332 | 5310999 | Secure toll collection system for moving vehicles | |||
333 | 5305008 | Transponder system | |||
334 | 5294931 | Method of interrogating a plurality of transponders arranged in the transmission range of an interrogating device and transponders for use in the said method | |||
335 | 5291205 | Radio frequency automatic identification system | |||
336 | 5287113 | Voltage limiting batteryless transponder circuit | |||
337 | 5287112 | High speed read/write AVI system | |||
338 | 5283529 | Oscillation maintenance circuit | |||
1993 | |||||
339 | 5270717 | Extended range RF-ID transponder | |||
340 | 5262772 | Transponder scanner | |||
341 | 5254997 | Retrodirective interrogation responsive system | |||
342 | 5252979 | Universal communication system | |||
343 | 5252962 | System monitoring programmable implantable transponder | |||
344 | 5247305 | Responder in movable-object identification system | |||
345 | 5227798 | Passive transmitting sensor | |||
346 | 5223839 | Radar identification | |||
347 | 5214410 | Location of objects | |||
348 | 5204681 | Radio frequency automatic identification system | |||
1992 | |||||
349 | 5164719 | Radio system for data transmission with passive terminal station | |||
350 | 5159332 | Proximity identification system with flux concentration in operating region | |||
351 | 5119099 | Microwave responder | |||
352 | 5115160 | Easily encodable surface acoustic wave (SAW) security devices | |||
353 | 5108822 | Resonant tag and method of manufacturing the same | |||
354 | 5081458 | Hyperfrequency system for remote data transmission | |||
1991 | |||||
355 | 5073781 | Transponder | |||
356 | 5073780 | Cooperative passive identification system for moving or stationary objects | |||
357 | 5072222 | Electromagnetic identification and location system | |||
358 | 5053774 | Transponder arrangement | |||
1990 | |||||
359 | 4963887 | Full duplex transponder system | |||
360 | 4956645 | Radio system for data transmission with one passive end and station included in such a system | |||
361 | 4951057 | Inductive input/output coupling for a surface acoustic wave device | |||
362 | 4928130 | Staggered arrangement for improving radar reflection | |||
363 | 4926187 | Radio-frequency identification system | |||
364 | 4912471 | Interrogator-responder communication system | |||
1989 | |||||
365 | 4890111 | Passive transponder | |||
366 | 4885591 | Method and apparatus for monitoring ice masses | |||
367 | 4864158 | Rapid signal validity checking apparatus | |||
368 | 4862160 | Item identification tag for rapid inventory data acquisition system | |||
369 | 4857893 | Single chip transponder device | |||
370 | 4853705 | Beam powered antenna | |||
371 | 4843396 | Trihedral radar reflector | |||
372 | 4816839 | Transponder antenna | |||
1988 | |||||
373 | 4786907 | Transponder useful in a system for identifying objects | |||
374 | 4757315 | Method and apparatus for measuring distance | |||
375 | 4746830 | Electronic surveillance and identification | |||
376 | 4739328 | System for identifying particular objects | |||
377 | 4737790 | Passive interrogator label system with a surface acoustic wave transponder operating at its third harmonic and having increased bandwidth | |||
378 | 4737789 | Inductive antenna coupling for a surface acoustic wave transponder | |||
379 | 4734698 | Passive interrogator label system having offset compensation and temperature compensation for a surface acoustic wave transponder | |||
380 | 4727360 | Frequency-dividing transponder and use thereof in a presence detection system | |||
381 | 4725841 | System for interrogating a passive transponder carrying phase-encoded information | |||
382 | 4724427 | Transponder device | |||
383 | 4723123 | Radar system | |||
1987 | |||||
384 | 4703327 | Interrogator/receiver system for use with a remote transponder | |||
385 | 4698631 | Surface acoustic wave pipe identification system | |||
386 | 4684929 | Microwave/seismic security system | |||
387 | 4673932 | Rapid inventory data acquistion system | |||
388 | 4660046 | Single power source data transmission system | |||
389 | 4656478 | Passive transponder for locating avalanche victims | |||
390 | 4654641 | Frequency divider with single resonant circuit and use thereof as a transponder in a presence detection system | |||
391 | 4647930 | Passive radar responder | |||
392 | 4646090 | Codeable identifying tag and method of identification thereof | |||
393 | 4642640 | Signal receptor-reradiator and surveillance tag using the same | |||
1986 | |||||
394 | 4626208 | Positioning jig for edgewise bracket | |||
395 | 4625208 | Surface acoustic wave passive transponder having acoustic wave reflectors | |||
396 | 4625207 | Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads | |||
397 | 4623890 | Apparatus for compensating non-linearities in frequency-modulated signal | |||
398 | 4620191 | Surface acoustic wave passive transponder having parallel acoustic wave paths | |||
399 | 4605929 | Surface acoustic wave passive transponder having optimally-sized transducers | |||
400 | 4604623 | Surface acoustic wave passive transponder having non-reflective transducers and pads | |||
1985 | |||||
401 | 4521779 | Pulse compression system | |||
402 | 4517569 | Passive retroreflective doppler shift system | |||
403 | 4510495 | Remote passive identification system | |||
1984 | |||||
404 | 4458235 | Foreground subject-identifying apparatus | |||
405 | 4430645 | Surveillance system employing a dual function floor mat radiator | |||
1983 | |||||
406 | 4390880 | Radio communication system and transmitter and receiver equipment therefor | |||
407 | 4370654 | Apparatus for producing a frequency change of a wage propagating signal | |||
1982 | |||||
408 | 4347512 | Communications systems utilizing a retrodirective antenna having controllable reflectivity characteristics | |||
409 | 4345253 | Passive sensing and encoding transponder | |||
410 | 4331957 | Transponder for use in locating avalanche victims | |||
411 | 4314249 | Radar reflector with variable electric reflectivity | |||
1981 | |||||
412 | 4263595 | Apparatus for identifying objects and persons | |||
1980 | |||||
413 | 4242671 | Transponders | |||
414 | 4210900 | Surface acoustic wave code reader | |||
415 | 4209783 | Object identification system | |||
416 | 4196418 | Detection plate for an identification system | |||
417 | 4188629 | Passive navigation system with frequency coding | |||
418 | 4187465 | Device for protection against transmission errors in an information transmission system | |||
1979 | |||||
419 | 4144534 | Battlefield IFF system | |||
420 | 4138676 | Method and device for increasing the security against transmission errors in an information transmission system | |||
1978 | |||||
421 | 4123754 | Electronic detection and identification system | |||
422 | 4121208 | Device for increasing the safety with respect to transmission faults in an information transmission system | |||
423 | 4114151 | Passive transponder apparatus for use in an interrogator-responder system | |||
424 | 4104634 | Ground plane corner reflectors for navigation and remote indication | |||
425 | 4101852 | Microacoustic shear bulk wave device | |||
426 | 4096477 | Identification system using coded passive transponders | |||
427 | 4090198 | Passive reflectance modulator | |||
428 | 4087791 | Electromagnetically responsive device and system for detecting the same | |||
429 | 4069472 | Foreground subject-identifying apparatus | |||
430 | 4068232 | Passive encoding microwave transponder | |||
1977 | |||||
431 | 4059831 | Passive transponders using acoustic surface wave devices | |||
432 | 4031535 | Multiple frequency navigation radar system | |||
433 | 4027840 | Vehicle position indicator with radar interrogation each of spaced transponders disposed along a pathway for the vehicle | |||
434 | 4024318 | Metal-filled plastic material | |||
435 | 4023167 | Radio frequency detection system and method for passive resonance circuits | |||
436 | 4019181 | Transponder system | |||
437 | 4019179 | Method of locating persons in distress | |||
438 | 4015259 | Method and apparatus for interrogating and identifying fixed or moving targets | |||
439 | 4001822 | Electronic license plate for motor vehicles | |||
1976 | |||||
440 | 3996587 | Semipassive responder utilizing a low voltage, low power drain reflective varactor phase modulator | |||
441 | 3988731 | Augmented perspective radar display | |||
442 | 3981011 | Object identification system using an RF roll-call technique | |||
443 | 3972042 | Metal target detection system | |||
444 | 3958246 | Circular retrodirective array | |||
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 29.03.2017 |