СПИСОК патентов США - подгруппа МПК16 H04Q1/45


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№ п/п Номер патента Название патента

2016

19485347Voice-operated interface for DTMF-controlled systems

2015

29215305Voice-operated interface for DTMF-controlled systems
39179202Multiple-frequency signal classification through use of a second-order statistic
49100729Method for handling a telecommunications connection, telecommunications arrangement, switching device and network coupling device
59094497DTMF circuit and method of relaying DTMF digits in a DTMF circuit

2005

66925174Interaction between echo canceller and packet voice processing
76888925Method for testing large-scale audio conference servers
86879819Control and messaging during emergency calls
96868142Voice-operated interface for DTMF-controlled systems
106839412Audio file transmission method

2004

116795533Intermediate voice and DTMF detector device for improved speech recognition utilization and penetration
126792093System and method for telephone call recording and recorded call retrieval
136778641Telephone independent provision of speech recognition during dial tone and subsequent call progress states
146771641DTMF digit collection and transportation for a packet network
156765996Audio file transmission method
166707886Method and system for testing subscriber loops using touchtone telephone signals
176697476Audio conference platform system and method for broadcasting a real-time audio conference over the internet
186694015Universal line interface in telecommunications system
196683939Method and apparatus for logging DTMF phone symbols dialed from an extension
206681000Signal converter server network information system control methods thereof and telephone terminal

2003

216636595Non-KSU message delivery system
226625271Scalable audio conference platform
236594347Speech encoding in a client server system
246575900Meter with integrated database and simplified telemedicine capability
256556674Signal detector with matched filter coefficient

2002

266498931CID message retrieval methods and devices
276459785Method of providing a dial-in function in telecommunication systems
286449286R2 multi-frequency compelled signalling using a DSP on a network termination card
296445773DMT test method for determining ADSL capability of cables
306411687Call routing based on the caller's mood
316385585Embedded data in a coded voice channel
326385306Audio file transmission method
336370555Method and system for improved detection of analog signals
346370506Communication devices, methods, and computer program products for transmitting information using voice activated signaling to perform in-call functions

2001

356330318Method of and system for interrupting and parking calls in a switched telecommunications network
366320951Transfer-connect telephony services utilizing automated audio systems
376307922Telephone transaction processing as a part of a call transport
386269159Conferencing with a calling party
396236967Tone and speech recognition in communications systems
406208966Telephone network service for converting speech to touch-tones
416208959Mapping of digital data symbols onto one or more formant frequencies for transmission over a coded voice channel
426205207Telephone transaction processing as a part of a call transport
436201853Telephone technician's remote assist apparatus and method
446195415Communication line test apparatus for a mobile radio system

2000

456157704Subscriber line test system for access network
466151514Method and apparatus for normalizing DTMF messages from a cellular mobile station
476122652Tone and periodical signal detection
486108343Dynamically reconfigurable DSP architecture for multi-channel telephony
496097792Interactive method and apparatus for the generation of leads
506072864Transfer-connect telephony services utilizing automated audio systems
516031903Method for expediting access to services on a switched communications network

1999

525966429Telephone transaction processing as a part of a call transport
535960062Method of recording the communication between a CPE and a SPCS/server
545933484Method for providing a menu to a subscriber on a switched communications network
555883940Interactive method and apparatus for the generation of leads
565872833Telephone transaction processing as a part of a call transport

1998

575810450Wheel assembly with lighting circuit
585748711Telephone transaction processing as a part of call transport

1996

595530950Audio data processing

1995

605465287Subscriber line impedance measurement device and method
615436964Programmable call progress tones for a switching system
625400394Adaptive echo canceller for voice messaging system
635396536Automatic processing of calls with different communication modes in a telecommunications system

1994

645337347Method and system for progressive database search termination and dynamic information presentation utilizing telephone keypad input

1993

655267305Transparent inband signaling
665255310Method of approximately matching an input character string with a key word and vocally outputting data
675218636Dial pulse digit detector
685195128Communication system, particularly a telephone communication system
695181236Automatic call returning method for call distributor with message record capability

1992

705163084Voice information service system and method utilizing approximately matched input character string and key word

1990

714930152Call return telephone service
724926461Telephone answering machine having call transfer capabilities
734918719Elimination of false requests for telephone operator assistance

1988

744757267Telephone system for connecting a customer to a supplier of goods

1987

754669110Call progress tone system

1979

764171466Digital wave generator for composite tone
774169969Apparatus for detecting in-band signalling signals
784165450Telephone signalling test system
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Дата формирования списка: 03.04.2017