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2017

19606596Power control subsystem with a plurality of current limit values
29596031System and method for a subscriber-powered network element
39571669Reverse power feeding system and method
49560218Reverse-powered transmission device
59560217Adapters, terminal devices, USB connection devices and charging stations

2016

69515747System and method for a subscriber-powered network element
79515507Energy-saving circuit for a network-powered device, network arrangement and energy-saving method
89503815Perceptual echo gate approach and design for improved echo control to support higher audio and conversational quality
99491314Voltage boost for ET modulator
109479209Providing power to dual radio modems
119473648Next generation form factor interface preventing large transient current during hot plugging
129432081Method and apparatus for providing electrical power to a broadband digital subscriber line access
139413902Method and device for supplying power to access device
149413901Image communicating apparatus, control method therefor, and storage medium storing program
159413179Detachably integrated battery charger for mobile cell phones and like devices
169402005Power supplying method for wireless network terminal and wireless network terminal
179380152Systems and methods for providing back power to a service unit
189374452Apparatus and method for detection of off-hook phone in reverse power feeding architecture
199351187Reverse power metering
209338272Communication apparatus that detects improper connection of cable, control method therefor, and storage medium
219325169Telecommunications equipment, power supply system, and power supply implementation method
229319537Load balancing reverse power supply
239307096Mobile power device having border casing
249300815Power backup system
259294142Mobile terminal, control method thereof, and non-transitory computer readable medium storing control program

2015

269179011Telephone Communication System and Method of Using
279179010Remote powered node
289167106Solar-powered cell phone
299143178Activity-based remaining battery life
309094536Power supply system for a field device with a radio module
319088670Detachably integrated battery charger for mobile cell phones and like devices

2006

327046796System and method for providing power over a home phone line network

2005

336947554Least mean power consumption in telecommunications systems
346920218Combination clock and charge pump for line powered DAA
356915145Self-rechargeable portable telephone
366868158Echo processing apparatus
376862464Power supply device for radio telephone system
386862353System and method for providing power over a home phone line network
396847718Remote power feed method and system
406842520Telephone

2004

416831976Telephone line-powered power supply for ancillary equipment and method of operation thereof
426822764Communication terminal with an energy saving capability
436807408Method for interrupting an idle state of a communication unit in a radio communication system
446801794Operating state based energy-saving display device
456778664Line current protection circuit and method for linear and nonlinear hold circuit
466757382Quasi ground fault interruption signal-based activation of emergency pots by-pass paths for line-powered digital subscriber loop
476731751Apparatus for cordless computer telephony
486681105Mobile radiotelephone method and system and terminal used in such a system

2003

496658098Power transfer apparatus for use by network devices including telephone equipment
506636751Emergency power supply for cellular telephone
516624635Uninterruptable power supply
526606383Automatic remote termination sensing and line powering scheme
536603220Terminal adapted to be powered locally and to receive a remote power feed via a link connecting it to a local area network
546587454Network adaptor for telephone and data traffic
556584197Power-limited remote termination converter with wetting current and emergency power operation for digital data transmission equipment
566581163Mains loss detection apparatus and method
576580254Apparatus and method for providing span power to communication equipment at a customer premise
586577882Arrangement and a method relating to power supply in a communications network
596571091Power control method and apparatus suitable for use in a radio communication device
606560333MOS transistors substitute circuit having a transformer/data interface function, particularly for ISDN networks and corresponding control and driving switch configuration
616556564Scheduled internet protocol telephone instrument system
626556562System to provide lifeline IP telephony service on cable access networks
636519339Method of regulating power transfer across an isolation barrier
646510204Method and apparatus for providing an all digital loop with power-optimised mode

2002

656480122Power supply for ethernet LAN connected telephone
666449348Power transfer apparatus for use by network devices including telephone equipment
676427183Circuit for the demand-conforming switching on and off of a load
686408194Method of detecting operating states of an electrical apparatus and electrical apparatus for detecting apparatus-specific operating states
696347135Apparatus and method for powering a telephone-based inbound telemetry device

2001

706320945Line-powered pay telephone
716256519Cordless telephone with corded operability
726256518System for providing power to a wireless system
736256385Power supply adapter circuit
746240177Communication device comprising an off-hook detection circuit
756236726Transmit power scaling for far-end crosstalk reduction
766233334Telecommunication circuit and a telecommunication device
776212411Power supply circuit, telecommunication device and method for multiple DC slope power management
786212274Line powered modem
796208670Digital carrier system for rural telephone and data applications
806208118Far-distance remotely controllable rectifier with back-up battery

2000

816167278Combination cordless-cellular telephone system
826141416Analog telephone subscriber terminal apparatus
836128104Communication terminal with an energy saving capability
846121754Method for displaying a "low battery" state in electrical equipment with electrical energy stores and electrical equipment with electrical energy stores with means for displaying a "low battery" state
856088599Fixed subscriber unit
866084960Power supply circuit using a constant current and telephone apparatus including such a circuit
876073003Telephone and auxiliary power distribution system
886020727Setting of a linear regulator to stand-by
896016312Radiotelephone and method for clock calibration for slotted paging mode in a CDMA radiotelephone system
906014574Circuit configuration for voltage polarity reversal in a mobile radio transceiver
916011384Voltage balancing device for a direct current power supplying system

1999

926008681Method and apparatus for deriving power from a clock signal coupled through a transformer
935999426Circuitry for voltage pole reversal
945999094Combination telephone and smoke alarm system
955960358Telephone system providing a talking operation after main power supply failure
965956323Power conservation for pots and modulated data transmission
975946637Base station with detachable charger for cordless phone systems
985943420Power-up system for line-powered telephones
995940498Electronic voice circuit configuration
1005937061Power saving control apparatus for simple electronic exchange system
1015928809Battery holder for a mobile telephone
1025920592Data transmitter-receiver
1035907606Telephone-line powered coin telephone chassis
1045900680Circuit arrangement for supplying an operating voltage from an operating voltage source to a plurality of connectable and detachable circuit units
1055883892Storage type data communication terminal
1065872843Isolating circuit for telephone apparatus
1075864766Cellular telephone battery with auto-answering and hand-free functions
1085857010Power-failure resistant communication system

1998

1095848147Terminal for wirebound telecommunication
1105838149Voltage control means having a reduced sensitivity to temperature variations
1115825160Power control circuit in wireless mobile communication system
1125809137Telephone liner connector
1135802167Hands-free device for use with a cellular telephone in a car to permit hands-free operation of the cellular telephone
1145796279DC application circuit with suppressed DC magnetization
1155790656Data access arrangement with telephone interface
1165764734Method and system for controlling access to a channel
1175752183Method and apparatus for reducing power consumption in a subscriber unit of a communication system
1185749067Voice activity detector
1195744933Vending machine for charging a secondary battery of a mobile phone
1205721776Telephone line connector
1215715278Standby power saving in mobile phones
1225710808Telephone dialling code processor

1997

1235701329Standby power savings with cumulative party check in mobile phones
1245699420Bell sound synthesizer
1255682423Electrical power and telephone ringer signal distribution system
1265675626Cellular and battery backup telecommunication system
1275661776Method and apparatus for performing impedance measurements on a communication line
1285655010Line-powered modem with capacitive isolation
1295638421Apparatus and method for incoming call detection and alarm circuitry for cellular telephones
1305635897Mobile phone alarm
1315633925Low loss telephone circuit
1325627890Telephone line interface circuit
1335623544Telephone headset interface circuit
1345623531Auxiliary power for telephone distribution system
1355623321Circuit for cutting off power to an active RF component
1365619252Video telephone system and method for transmitting and receiving signals when there is a failure in the system
1375608795Telephone line interface circuit
1385608792Apparatus for drawing and processing electrical power from a communications line
1395606313Low power addressable data communication device and method
1405598327Planar transformer assembly including non-overlapping primary and secondary windings surrounding a common magnetic flux path area
1415596470Fault current protection circuit for an auxiliary device in a digital telephone system

1996

1425581612Private branch exchange system
1435568513Standby power savings with cumulative parity check in mobile phones
1445553138Telephone line sourced power supply
1455550917Interface device between a public telephone and an external terminal
1465550894Device for sequentially altering a communication line for remote diagnostic checks
1475544243Telephone headset interface circuit
1485539821Power outlet mount for a portable telephone
1495530748Power supplying system for terminal
1505517547Alarm panel with cellular telephone backup
1515509069Splitting of a supply current drawn from a telecommunication system's line among a plurality of user's circuits
1525500893Telephone apparatus, information processing apparatus and information communication terminal
1535495530Low power emergency telephone mode

1995

1545479056Power source device
1555461671Telephone line power utility circuit
1565455466Inductive coupling system for power and data transfer
1575440595Communication apparatus with low power consumption
1585428638Method and apparatus for reducing power consumption in digital communications devices
1595425094Cross point switch with power failure mode
1605425079Telephone power interruption data backup apparatus
1615420919Telephone line current modulator
1625414309Circuit for applying direct current to winding
1635396538Contactless digital power transmission and reception system in a radio telephone
1645384842Programmable telephone
1655381472Power source control apparatus for telephone set

1994

1665373554Telephone having separate power circuit for supplying power to speech network
1675371784Remote auxilliary charging cradle for cordless telephone handset
1685369687Apparatus for electrically isolating a telephone line from a data device
1695359650Digital circuit for conditional initialization
1705337355Supply circuit device for a user's telephone circuit, having a low voltage loss
1715327482Public cordless telephone system with coin/card insertion inhibiting means
1725317634Telephone subset arrangement
1735317545Telephone timer apparatus
1745307406ISDN power source detection circuit
1755304917Compact low noise low power dual mode battery charging circuit
1765289359DC-DC power converter including sensing means for providing an output when the reserve power of the converter falls below a predetermined amount for a given input voltage

1993

1775271059Method and configuration for forming a line termination of a telephone line
1785260995Electric power circuit for telephone set use
1795249226Apparatus for controlling a current supply device
1805239580Modem-telephone coupler
1815237606Enhanced synchronous rectifier
1825226078Adjustable integrated/discrete-element line current controller in a telephone set
1835224152Power saving arrangement and method in portable cellular telephone system
1845220597Dialing apparatus for power failure extension telephone set of key telephone system
1855218285Electronic device with dual purpose regulator
1865216710Liquid crystal display driver and power supply
1875216707Circuit for firing paystation coin relay using power derived from telephone line tip/ring voltage
1885210788Telephone instrument and distribution system
1895193212Circuit for saving battery for use in a radio paging receiver and method thereof
1905181240Data circuit-terminating equipment with power source device
1915179586Line interface circuit

1992

1925155764Telephone set with on-hook line seizure
1935146490Passive telephone line monitoring system
1945144544Power feed system for telephone and/or information technology terminals
1955140630Added main line apparatus
1965136630Intrinsically safe telephone
1975133005Line powered pay telephone with power management
1985113434Battery boosted dial memory
1995086462Terminal repeater having a function for repeating DC loop signal
2005086454Direct connect modem deriving power from telephone line
2015086235Power supply switchover device for electrical apparatus and teleaction terminal equipped therewith

1991

2025070522Combined signal and power distribution system
2035068890Combined signal and electrical power distribution system
2045063563Communication terminal having means for controlling power transfer
2055042065Resetting circuit in a key-telephone system
2065027392Speaker drive arrangement for loudspeaker telephone
2075014308Circuit arrangement for providing power for an IC chip in a telephone subset
2085003578Power-saving device for a cable-information receiving/transmitting apparatus
2094995072Self-powered base and remote telephone communication set
2104984267Backup power supply at subscriber terminal

1990

2114979208Method and apparatus for electronic payphone open switch interval management
2124975949Electronic headset telephone
2134961220Power management in a microprocessor-controlled battery-powered telephone device
2144953207Electronic telephone set
2154953055System and a protection and remote power-feeding device for equipment connected by two transformers to a four-wire transmission link
2164935928DC supply for an S-bus in ISDN
2174926466Permanent connection public telephone appliance
2184926458Low power control apparatus for a coin operated telephone
2194916735Power-supply transfer apparatus for telephone
2204896352Telephone set circuit including an overvoltage protection

1989

2214882506Low voltage and low power detector circuits
2224875232Telephone power distribution and isolation system
2234866757Combined telephone and power distribution system
2244860346Telephone system and method operated from central office loop current
2254860345Telephone system and method operated from central office loop current
2264856057Apparatus in a loudspeaking telephone set for supplying power to an amplifier connected to the loudspeaker
2274847899Power circuit for telephone accessory devices
2284847898Speech circuit configuration
2294825349Emergency D.C. power supply with the emergency state being indicated by polarity reversal
2304815126Telephone line switch
2314813072Switching device for power supply to additional accessories for a telephone
2324813066Battery feed circuit for a telephone system
2334811391Telephone set comprising a line voltage stabilizer having a DC supply point
2344808905Current-limiting circuit
2354805213Ring detector
2364803722Circuit for remote supply of subscriber line terminals in a telecommunication system
2374803719Method for powering telephone apparatus and telephone apparatus powered directly from the telephone line without external power
2384803702Reset and synchronization interface circuit

1988

2394790006Method for electrically simulating a cradle switch and a hands free talking-loudspeaking key in a hands free talking-loudspeaking telephone station
2404779007Uninterrupted power supply system
2414771449Data station termination circuit
2424763348Controlled power supply for key telephone system
2434748664Telephone power supply
2444741031Intrinsically safe telephone
2454731831Telephone instrument
2464731830Nonsaturating interface supply

1987

2474683351Impedance maintenance circuit for telephone interface
2484675653Keyboard arrangements
2494653091Supply for a subscriber control system
2504653088Telephone circuitry with power backup
2514653046Single channel subscriber carrier system
2524647787Backup battery power supply for microprocessor based telephones
2534639551Regulated power supply circuit particularly for telephone set
2544636588Electric source circuit for telephone sets
2554636587Electronic switch for digital telephone

1986

2564628249Power supply having a predetermined value of input impedance
2574626626Interface for a telephone set
2584621170Means of transmitting signals along a line while also providing a direct voltage source
2594609864Analog process controller with digital monitor
2604609863Power supply providing stabilized DC from an input voltage of AC superposed on DC without disturbing the input voltage
2614593389Simultaneous voice and asynchronous data telephone
2624592069Line powered modem
2634572927Current limiter for telephone office signalling
2644564726Pulse/direct current transmitting circuit in a key telephone system

1985

2654562309Telephone circuit controlled by a 2 wire - 4 wire transmission integrated circuit microprocessor with line current emergency supply
2664560841Telephone station which is main or remotely supplied
2674549129Regulator circuit
2684547629Energy management circuit
2694532382Power supply for telephone equipment memory devices
2704518828Transmission circuit for an electronic telephone set
2714507525Transistorized bridge rectifier circuit with overcurrent protection for use in telephones
2724506114Telephone circuit
2734503291Repertory dialer with efficient data storage
2744501933Transistor bridge voltage rectifier circuit

1984

2754488006Apparatus for controlling the application of telephone line power in a telephone set
2764484028Digital loop transceiver having a power up/down circuit
2774465903Electronic telephone interface circuit
2784459435Telephone privacy apparatus
2794458111Charging and discharging circuit
2804446340Customer premises loop test unit powered from the normal central office power source
2814436961Communications system connecting circuit for controlling derivation of operating power from subscriber line current
2824425512Power supply system

1983

2834420786Polarity guard circuit
2844417099Electro-optical isolator circuit for line powered modem
2854408153Current supplementation circuit for power supply
2864388498Voltage stabilizer suitable for use in a telephone set
2874388497Telephone power supply arrangement
2884380687Power supply control circuit for subscriber carrier telephone system
2894376876DC Supply for an electronic signalling device
2904373118Battery feed circuit
2914373117DC to DC converter for line powered modem
2924370527Arrangement for feeding a subscriber device

1982

2934359680Reference voltage circuit
2944341991Voltage stabilizer suitable for a telephone set
2954319094Three-terminal power supply circuit for telephone set
2964316135Circuit arrangement for feeding modules in user stations

1981

2974306119Telephone outpulsing circuit
2984304969Power circuit for loudspeaker telephone

1980

2994223186Circuit arrangement for line-supplied subscriber stations having dial devices
3004197425Power supply circuit for a subscriber's telephone set

1979

3014158752Carrier subscriber telephone station terminal loop current booster

1978

3024081619Switching arrangement for telecommunication subscriber stations using key-operated selection units
3034069396Power saving circuit for use with a converter circuit in a telephone switching installation

1977

3044027224Post-regulated switching regulator circuit

1976

3053997733Intrinsically safe communication systems
3063986097Bilateral direct current converters
3073984761Line powered voltage regulator
3083980837Apparatus for pulsing in telephone sets
3093973082Electronic telephone subscriber set with voltage controlled variable shunt
3103968333Battery charger control circuit for telephone transmission systems
3113963974Power supply circuit
3123956596Circuit arrangements in telephone apparatus
3133940572Power supply for key telephone system
3143934089Automatic disconnect circuit for subscriber carrier telephone system
© 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017