СПИСОК патентов США - подгруппа МПК16 H04M1/654


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№ п/п Номер патента Название патента

2016

19332121Method for implementing user-specific calling preferences
29270548System and method for data transfer of object properties

2009

37602900Method and apparatus for providing relevant data responsive to a problem request

2005

46901266Method and apparatus for an improved call interrupt feature in a cordless telephone answering device

2004

56836541Communicating apparatus
66757381Design of telephone line interface circuits using a two chip opto-coupler with LEDs integrated onto silicon chips
76741703Mechanical handset lift for a telephone
86724867Method and apparatus for automatic message transfer from a remote messaging system to a local communication device
96714630System and method for screening calls

2003

106611681Method and apparatus for an improved call interrupt feature in a cordless telephone answering device
116526143Device for lifting a handset

2002

126483897Method and apparatus for answering a telephone with speech
136473493Communication apparatus for receiving identification information of partner station, and executing communication operation in accordance with received identification information
146442245System and method for providing voice messaging services utilizing a network connection
156438214Answering system for a communication device
166418198Apparatus and method for verification of the presence of a remote user
176393106Telephone answering device which records voice message of third party caller
186385307Apparatus and method for overriding an automatic answer function of a telephone answering device
196347133Telephone answering device with timer control

2001

206292545Apparatus and method for detecting the source of a telephone tone signal
216285759Automatic answering pick-up device
226233330Telephone call screening device with power and telephone line failure alert, call answering, call routing, and caller ID
236195423Two line voice/data switch
246181779Rationalized automated answering machine

2000

256128375Intelligent multifunction device for analog telephone subscriber loop interfaces
266081596Automatic answering pick-up device
276052442Internet answering machine
286026152Ring count controlled by incoming call related information
296021176Method for monitoring incoming calls to a user's premises on a pots telephone line

1999

306009166Nitinol hookswitch actuator
315982860Facsimile system having a proximity sensor for automatically switching reception mode based upon presence or absence of an operator within a predetermined proximity zone and method for controlling the same
325982855Automatic telephone answering apparatus
335940477Telephone answering apparatus with answer-only operation
345930354Automatic answering pick-up device
355912948Automatic screening apparatus and method for use with telephone answering devices
365901219Method for ring signal detection
375867560Remote hang-up detector

1998

385854826Ring voice message generating device and method of automatic answering telephone
395822406Switching circuit for automatically routing audio and data signals between a modem, telephone, and I/O devices
405815285Facsimile device with user-friendly automatic receive mode
415809113Enhanced, deferred messaging service
425796817Hybrid circuit for an electric operating and scanning interface, applicable to electronic recorders of electromechanical telephone stations
435796815Communications device with improved ring signal detection
445784436Automatic telephone recorder system incorporating a personal computer having a sound handling feature
455768344Method and apparatus for screening telephone calls in response to an answering device beep tone
465758289Telephone system and bell sound detecting method thereof
475754628Method of providing telecommunications network-based message services
485732355Telephone system
495715302Apparatus and method for executing mode conversion of a facsimile system into automatic mode

1997

505699421Telephone answering device with low cost dual tone multi-frequency detector
515699414Method and apparatus for sharing a single telephone line between a facsimile machine, data modem, telephone answering device, and a person
525692041Telephone subscriber circuit with galvanic isolation
535666403Method and apparatus for sharing a single telephone line between a facsimile machine, data modem, telephone answering device, and a person
545664008Message waiting adjunct device
555642409Facsimile apparatus
565642406Tone recognition method using tone learning operation in an automatic answering system
575606598Telephone answering device with direct telephone line interface
585596629Data transmission over a communication line
595594788Telephone system and interface device
605594783Telephone apparatus for recording a predetermined message in place of a CNG tone

1996

615577104Method for system and message activation based on distinctive ringing
625559863Car telephone accessory device with telephone answering function
635535265Method and circuitry for controlling voice mail, call logging and call blocking functions using a modem
645533104Telephone answering device and method
655526420Communication apparatus
665521975Telephone terminal device with means for detecting abandonment of call
675517557Facsimile apparatus with automatic telephone answering function
685506891Method and apparatus for detecting the connection status of an extension phone connected to a voice/fax/data modem
695487105Facsimile apparatus operable in facsimile or telephone mode
705481596Auxiliary baseband telephone interface for an answering machine
715481373Facsimile apparatus and telephone terminal apparatus having voice and image communication functions

1995

725467385Calling number display and recording system
735452342Telephone terminal device with function for preventing unnecessary utilization of telephone line by unsolicited facsimile signal
745432844Shared line answering system with enhanced extension device features
755426691Method and apparatus for detecting a prescribed audio frequency actuating signal applied on to a telecommunication line
765396544Telephone answering system
775392332Shared line telephone answering system with a telephone line-powered disconnect module

1994

785371787Machine answer detection
795333179Facsimile apparatus with automatic answering telephone function
805311573Facsimile apparatus
815297135Method and apparatus for determining directionality of communication signals on a communication channel

1993

825259022Detector for use with an automatic disconnect feature in a telephone answering machine
835243642Telephone call management device
845237605Adjunct interface apparatus for a telephone set
855226072Facsimile machine having recording/reproducing apparatus
865224158Terminal apparatus
875200836Image communication apparatus with substituted reception with reduced memory requirement
885177783Switching circuit in a telephone device for selecting between two-line and keysystem modes of operation

1992

895159626Multi-line telephone switching system
905159624Communication system for transmitting to a portable receiver data indicative of received image or voice signals
915157712Telephone nuisance call mitigation screening device
925157711Telephone terminal device
935151972Apparatus for automatically connecting terminal device to telephone lines
945101426Telephone answering device with improved end signal detection
955086455Facsimile arrangement having automatic answering telephone set and facsimile set and switching process therefor

1991

965077786System and method for controlling facsimile apparatus in response to a computer generated signal or a CNG signal
975063589Automatic telephone answering machine with ring signal responsive mode changing arrangement
985036534Intelligent telephone interface for automatic answering systems, and method of using
995014296Facsimile terminal device having voice message recording capability
1005001743Method and apparatus for controlling a telephone answering device

1990

1014975940Telephone ringing adapter for operating upon reception of a preset number of calling signals
1024974253System and method for controlling facsimile apparatus in response to a computer generated signal or a CNG signal

1989

1034833703On-hook control circuit for answering machine
1044813067Apparatus for connecting selectively a telephone answering device or additional equipment, such as a facsimile machine, to telephone lines

1988

1054782510Telephone answering machine with digital storage of announcements and messages
1064747129Telephone ring registering device
1074742539Telephone loop current modulator
1084742538Current source and off-hook detector
1094720853Ring signal discriminator

1987

1104677663Telephone answering and call forwarding improvement
1114675897Automatic telephone answering apparatus and method having voice monitoring function
1124645875Telephone answering programming devices

1986

1134626631Dual line adapter for telephone answering machine
1144623759Telephone line voltage actuated switch
1154623758Hybrid system for recording voice and data signals
1164620063Ring signal detector
1174609783Automatic telephone answering apparatus
1184598171Voice operated telephone answering system
1194570034Phone line ring signal detection circuit

1985

1204536624Telephone answering machine interface circuit
1214525603Ring and line monitor for answering machine
1224500754Solid state off hook phone line load

1984

1234484036Telephone ring detector system
1244451707Ring detector and telephone line monitoring system for telephone answering instrument
1254444999Automatic electronic disconnector for subscriber terminal equipment

1983

1264390752Ring detection circuit for a telephone answering device

1982

1274340784Portable telephone answering device
1284314103Telephone answering system with simulated dial tone disconnect protection

1981

1294296277Electronic voice detector

1980

1304184053Ringing signal detector

1979

1314178477Telephone Recorder mechanical actuator
1324134032Audio signal discriminator circuit

1978

1334117272Start circuit for telephone answering device
1344105866Telephone answering machine busy signal detection devices with switching means
1354092496Variable impedance detecting circuit for a telephone line auxiliary device
1364074081Apparatus for detecting the level of direct current or voltage on a telephone line
1374066848Telephone ring detector circuit

1977

1384017686Telephone line voltage actuated switches
1394006309Voice operated relay

1976

1403989901Optional telephone answering system
1413979560Telephone answering system with ring detector
1423974401System for detecting the transmission direction of a signal on a two-way transmission line
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Дата формирования списка: 03.04.2017