СПИСОК патентов США - подгруппа МПК16 H04N7/171
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| № п/п | Номер патента | Название патента | |||
| 2016 | |||||
| 1 | 9300709 | Method of transmission of a digital content stream and corresponding method of reception | |||
| 2015 | |||||
| 2 | 9094678 | System, method, and computer program product for inverting a polarity of each cell of a display device | |||
| 2012 | |||||
| 3 | 8302141 | Digital broadcasting system and method of processing data | |||
| 2009 | |||||
| 4 | 7546466 | Decoding of watermarked information signals | |||
| 5 | 7493662 | Data nullification device for nullifying digital content recorded on a recording medium, after the digital content has been reproduced, a predetermined time period has passed since the recording of the digital content, or the digital content has been moved to another recording medium | |||
| 2002 | |||||
| 6 | 6477253 | Method and apparatus for television signal scrambling using vertical sync replacement | |||
| 7 | 6459795 | Method and apparatus for enhancing the scrambling of a TV signal via erroneous clamp signals | |||
| 8 | 6424716 | Method and apparatus for improved horizontal and vertical overlay signals for greater concealment in modern TV sets | |||
| 9 | 6421497 | Method for locating copy protection pulses within selected video lines of a video signal | |||
| 2001 | |||||
| 10 | 6292567 | Sync suppression television security system with addressable sync restoration | |||
| 11 | 6208737 | Method and apparatus for television signal scrambling using the replacement of synchronizing and color subcarrier signals with an alternative time base inherent in a QPSK audio subcarrier | |||
| 12 | 6198822 | Enhanced scrambling of slowly changing video signals | |||
| 13 | 6173109 | Method and apparatus for removing or defeating effects of copy protection signals from a video signal | |||
| 2000 | |||||
| 14 | 6072872 | Determination of scrambling mode of a television signal | |||
| 15 | 6058192 | Universal signal processor and method of processing | |||
| 16 | 6028941 | Method for the defeat of illegal descramblers sensitive to the edges of sync in scrambled video | |||
| 1999 | |||||
| 17 | 6002830 | Method and apparatus for removing or defeating effects of copy protection signals from a video signal | |||
| 18 | 5953417 | Method and apparatus for digitally removing or defeating effects of copy protection signals from a video signal | |||
| 19 | 5930361 | Video inversion detection apparatus and method | |||
| 20 | 5930360 | Method of scrambling three-dimensional image | |||
| 21 | 5912970 | Television scrambling system | |||
| 1998 | |||||
| 22 | 5815572 | Video scrambling | |||
| 23 | 5768376 | Video signal scrambling apparatus | |||
| 24 | 5764301 | Alignment process and device for processing video signals on transmission | |||
| 25 | 5754650 | Simultaneous multichannel television access control system and method | |||
| 1997 | |||||
| 26 | 5682426 | Subscriber site method and apparatus for decoding and selective interdiction of television channels | |||
| 27 | 5671278 | Video scrambling with variable function generator | |||
| 28 | 5644637 | Method and apparatus for recovering synchronizing signals in scrambled television pictures | |||
| 29 | 5631693 | Method and apparatus for providing on demand services in a subscriber system | |||
| 30 | 5606612 | Method and apparatus for television signal scrambling using a line expansion technique | |||
| 1996 | |||||
| 31 | 5539823 | Subscription television picture scrambling and descrambling system providing compatibility with different such systems | |||
| 32 | 5491748 | Enhanced security for a cable system | |||
| 33 | 5488659 | Encryption/decryption process and apparatus for a multichannel television system | |||
| 1995 | |||||
| 34 | 5430799 | Multichannel television signal scrambling and descrambling system and method | |||
| 35 | 5426699 | Method and apparatus for digitizing a scrambled analog video signal | |||
| 36 | 5406627 | Digital data cryptographic system | |||
| 37 | 5402489 | Scrambled video signal transmission system with pulse-code modulated subcarrier | |||
| 38 | 5402488 | Method and apparatus for modifying a video signal | |||
| 39 | 5394470 | Horizontal pulse augmentation of a video signal | |||
| 1994 | |||||
| 40 | 5374960 | Auxiliary video information code correction in sync-suppression type scrambled video signals | |||
| 41 | 5319709 | System for broadband descrambling of sync suppressed television signals | |||
| 42 | 5319708 | System for the simultaneous coding of a number of television signals and for decoding thereof in radiofrequency | |||
| 43 | 5287409 | Method and apparatus for frustrating vertical interval detection in scrambled television signals | |||
| 1993 | |||||
| 44 | 5272751 | Pay television | |||
| 45 | 5267312 | Audio signal cryptographic system | |||
| 46 | 5212723 | Burst phase correction system for video descrambling | |||
| 47 | 5208708 | Copy guard system of a software program used in VTR | |||
| 48 | 5206908 | Method and apparatus for detecting timing pulses for scrambled television system | |||
| 49 | 5185794 | System and method for scrambling and/or descrambling a video signal | |||
| 50 | 5177787 | Scrambler with self-calibration | |||
| 1992 | |||||
| 51 | 5166976 | System and method for detection of a pulse within a video signal | |||
| 52 | 5161188 | Scrambling video by horizontal and vertical time shifting | |||
| 53 | 5157510 | Method and apparatus for disabling anti-copy protection system in video signals using pulse narrowing | |||
| 54 | 5142575 | Method and apparatus for improving video scrambling and employing split sync pulses | |||
| 55 | 5136641 | Scrambled video digital transmission link | |||
| 56 | 5133009 | Method and apparatus for defeating the operation of an IC built-in noise inverter | |||
| 57 | 5125028 | Television signal scrambling method and apparatus | |||
| 58 | 5119192 | Television signal processor having means for comparing and deleting coincident video signal components for transmission | |||
| 59 | 5113441 | Method for scrambling a television signal and method and apparatus for descrambling a scrambled television signal | |||
| 60 | 5113440 | Universal decoder | |||
| 61 | 5103477 | Method and apparatus for descrambling a television signal | |||
| 62 | 5091938 | System and method for transmitting entertainment information to authorized ones of plural receivers | |||
| 63 | 5091935 | Method and system for scrambling information signals | |||
| 1991 | |||||
| 64 | 5063594 | Video signal scrambling system | |||
| 65 | 5060262 | Video scrambling, audio masking and data transmission methods for wireless cable systems | |||
| 66 | 5029340 | CATV terminal unit having an improved descrambling operation | |||
| 67 | 5022079 | Lock means and TV sync for air-to-surface missile | |||
| 68 | 5008934 | CATV transmission system using scrambled signals | |||
| 69 | 5003592 | Scrambling video by time shifting | |||
| 1990 | |||||
| 70 | 4962529 | Scrambling method for TV picture | |||
| 71 | 4953208 | CATV system transmitting a scrambled television signal | |||
| 72 | 4951313 | Scrambled frequency modulated video signal transmission system | |||
| 73 | 4928309 | Method and apparatus for descrambling a television signal | |||
| 74 | 4926477 | Cable television descrambler | |||
| 75 | 4924498 | Method and apparatus for improving video scrambling and employing split snyc pulses | |||
| 76 | 4922532 | Sync suppression scrambling and descrambling of television signals for subscription TV | |||
| 77 | 4912691 | Video stabilizer | |||
| 78 | 4910771 | Television signal converter | |||
| 79 | 4901351 | Video signal scramble system | |||
| 80 | 4901349 | Time dispersal encryption of TV signals | |||
| 1989 | |||||
| 81 | 4885776 | Television signal encoder with reduced transient switching effects | |||
| 82 | 4870682 | Television scrambling system | |||
| 83 | 4868892 | Tuning system with provisions for calculating the local oscillator frequency from an aft characteristic | |||
| 84 | 4852164 | Pulse generating apparatus | |||
| 85 | 4839922 | CATV scrambling and descrambling method | |||
| 86 | 4827509 | CATV receiver | |||
| 87 | 4823387 | Television tuning system with provisions for tuning RF signals with scrambled video information | |||
| 88 | 4821321 | Automatic secure transmission and reception of pictorial information | |||
| 89 | 4815129 | Video encryption system | |||
| 90 | 4807285 | Method and apparatus for scrambling a television signal | |||
| 91 | 4802214 | Method and apparatus for identifying and rendering operative particular descramblers in a television signal scrambling system | |||
| 1988 | |||||
| 92 | 4794643 | Method for developing a key signal for descrambling in television broadcasting | |||
| 93 | 4790011 | Auto clamp for modulator for suppressed sync signals | |||
| 94 | 4776013 | Method and apparatus of encryption of optical images | |||
| 95 | 4771457 | Subscription television system | |||
| 96 | 4742545 | Video picture signal scrambling system | |||
| 97 | 4731838 | AGC circuit used in a CATV receiver | |||
| 98 | 4725882 | Scrambled video signal processor | |||
| 1987 | |||||
| 99 | 4716588 | Addressable subscription television system having multiple scrambling modes | |||
| 100 | 4712237 | Method and apparatus for unscrambling sync-suppressed television signals | |||
| 101 | 4706285 | Automatic gain control of a scrambled video signal | |||
| 102 | 4706284 | Television signal data transmission system | |||
| 103 | 4706283 | Television signal scrambling system | |||
| 104 | 4703354 | Non-linear sync signal processing circuit | |||
| 105 | 4700388 | Apparatus for scrambling a television signal | |||
| 106 | 4700386 | Technique for promoting CATV pay-per-view events and acknowledging subscriber orders | |||
| 107 | 4695901 | Method and apparatus for removing pseudo-sync and/or agc pulses from a video signal | |||
| 108 | 4691353 | Scrambling systems for CATV | |||
| 109 | 4688246 | CATV scrambling system with compressed digital audio in synchronizing signal intervals | |||
| 110 | 4688097 | D.C.-coupled video clamping circuit | |||
| 111 | 4679235 | Television signal transmission system | |||
| 112 | 4679078 | High security subscription television transmission system | |||
| 113 | 4670904 | System for processing a scrambled video signal | |||
| 114 | 4667232 | Synchronizing pulse restoration circuit | |||
| 115 | 4646147 | Method and apparatus for scrambling and unscrambling television signals | |||
| 116 | 4639777 | Apparatus for scrambling and descrambling communication signals | |||
| 117 | 4638357 | Audio scrambler | |||
| 118 | 4636852 | Scrambling and descrambling of television signals for subscription TV | |||
| 119 | 4635113 | Apparatus for descrambling transmitted scrambled television signals | |||
| 1986 | |||||
| 120 | 4630112 | Descrambling apparatus for a television signal | |||
| 121 | 4628358 | Television signal encryption system with protected audio | |||
| 122 | 4621285 | Protected television signal distribution system | |||
| 123 | 4614970 | Descrambler apparatus | |||
| 124 | 4613902 | Method of broadcasting an encoded video signal and a receiving apparatus for decoding the signal | |||
| 125 | 4599648 | Video signal transmission systems | |||
| 126 | 4598318 | Video encryption system | |||
| 127 | 4598313 | Television signal scrambling system | |||
| 128 | 4598312 | Secure video distribution systems | |||
| 129 | 4594609 | Scrambling system for television video signal | |||
| 130 | 4590519 | Television signal scrambling/descrambling system | |||
| 131 | 4589017 | Pay television receiving system | |||
| 132 | 4589016 | FM television signal receiving circuit | |||
| 133 | 4581637 | PIN diode modulator | |||
| 134 | 4575755 | Video encoder/decoder system | |||
| 135 | 4571615 | Timing generator for sync suppressed television signals | |||
| 136 | 4568974 | Video scrambling by the application of a variable periodic scrambling waveform | |||
| 137 | 4567517 | Descrambler for sync-suppressed TV signals | |||
| 1985 | |||||
| 138 | 4562465 | Adaptive video descrambling system | |||
| 139 | 4558360 | Decoder lockout defeat circuit | |||
| 140 | 4554581 | STV Decoder with improved data signal recognition capability | |||
| 141 | 4542407 | Method and apparatus for scrambling and descrambling television programs | |||
| 142 | 4523228 | Sync suppression scrambling of television signals for subscription TV | |||
| 143 | 4514761 | Data encryption technique for subscription television system | |||
| 144 | 4511919 | Method and apparatus for scrambling and descrambling video signals in a multichannel system | |||
| 1984 | |||||
| 145 | 4489347 | Sine-wave decoding technique | |||
| 146 | 4488176 | Method of and apparatus for modifying a video signal to inhibit recording thereof | |||
| 147 | 4471380 | Scrambling and descrambling of television signals for subscription TV | |||
| 148 | 4471379 | Codified field polarity television system | |||
| 149 | 4467353 | Television signal scrambling system and method | |||
| 150 | 4466017 | Sync suppression scrambling of television signals for subscription TV | |||
| 151 | 4463376 | Television signal processing system for a wireless pay system | |||
| 152 | 4454544 | TV Privacy system using gray sync | |||
| 153 | 4454543 | Dynamic video scrambling | |||
| 154 | 4447828 | Phase change dynamic scrambling | |||
| 155 | 4429331 | Video cipher processing system | |||
| 1983 | |||||
| 156 | 4408225 | Subscription television decoder | |||
| 157 | 4398215 | Video signal processing system | |||
| 158 | 4396946 | Transmission of data with a video signal | |||
| 159 | 4390899 | Television signal processing system | |||
| 160 | 4390898 | Scrambling and unscrambling video signals in a pay TV system | |||
| 161 | 4389671 | Digitally-controlled analog encrypton | |||
| 162 | 4387393 | Signal unscrambler | |||
| 163 | 4378570 | Receiver for jam-resistant TV system | |||
| 1982 | |||||
| 164 | 4353088 | Coding and decoding system for video and audio signals | |||
| 165 | 4338628 | Scrambled video communication system | |||
| 166 | 4336553 | Method of coding audio and video signals | |||
| 167 | 4333107 | Jam-resistant TV system | |||
| 168 | 4330794 | Multichannel subscription television system | |||
| 169 | 4325079 | Secure video transmission system | |||
| 170 | 4319273 | Television signal with encoded synchronizing signals | |||
| 171 | 4313133 | Scrambling and descrambling system in CATV broadcasting system | |||
| 1981 | |||||
| 172 | 4308556 | Television video signal scrambling system | |||
| 173 | 4307416 | Television signal modification apparatus | |||
| 174 | 4283740 | Apparatus for discriminating television signal | |||
| 175 | 4257065 | Video clamp and inverter circuit | |||
| 176 | 4245246 | Pay TV system | |||
| 1980 | |||||
| 177 | 4222068 | Subscription television apparatus and methods | |||
| 178 | 4215366 | Subscriber-limited reception television broadcast security encoder-decoder system | |||
| 1979 | |||||
| 179 | 4163252 | Subscription television decoder apparatus | |||
| 180 | 4145716 | Descrambling device in CATV system | |||
| 1978 | |||||
| 181 | 4095258 | Apparatus for decoding scrambled television and similar transmissions | |||
| 182 | 4075660 | Pay television system with synchronization suppression | |||
| 1977 | |||||
| 183 | 4064536 | Video scrambler and descrambler apparatus | |||
| 184 | 4045814 | Method and apparatus for scrambling and unscrambling communication signals | |||
| 185 | 4025948 | Coding system for pay television apparatus | |||
| 186 | 4024576 | Method and apparatus for scrambling and unscrambling communication signals | |||
| 187 | 4024575 | Catv sine wave coding system | |||
| 188 | 4022972 | Transient suppression and grey level coincidence in a subscription television system | |||
| 189 | 4019201 | Method and apparatus for scrambling and unscrambling communication signals | |||
| 190 | 4002825 | System for encoding and decoding amplitude modulated signals | |||
| 1976 | |||||
| 191 | 3999005 | Secure transmission of AM or FM signals | |||
| 192 | 3989887 | Swept frequency trap jammer for secure television system | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев Дата формирования списка: 03.04.2017 | |||||