[특허]Digital cordless telephony system, a radio base station, and a combination of a radio base station and a cordless hands

[미국특허] Digital cordless telephony system, a radio base station, and a combination of a radio base station and a cordless hands 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04Q-007/00
출원번호	US-0758652 (1996-12-02)
우선권정보	EP-0203311 (1995-12-01)
발명자 / 주소	Arends Marc V.,NLX Bogers Antonius J. P.,NLX Willi Guido K.,CHX
출원인 / 주소	U.S. Philips Corporation
인용정보	피인용 횟수 : 18 인용 특허 : 8

초록 ▼

A digital cordless telephony system comprises a radio base station and a plurality of portable radio stations. The radio base station comprises a single digital signal processor for performing standard radio base station functions, and further for supporting all kinds of connections between different parties such as portable parties, network parties, and local base station parties. The single digital signal processor executes party profiles corresponding to a desired connection configuration.

대표청구항 ▼

[ We claim:] [1.] A digital cordless telephony system comprising a radio base station and a plurality of portable radio stations for communicating with the radio base station, in which system the radio base station is arranged to be coupled to a switched telephony network and comprises a multi-channel radio front-end, a channel controller, a buffer memory for buffering received and transmitted data, and a digital signal processor for data format converting the received and transmitted data, the buffer being coupled to the channel controller and the digital signal processor, characterized in that the digital signal processor is configured as a mode programmable connection device to operate the radio base station in different connection modes for connecting different parties to each other including a selection from connections comprising a connection of a portable radio station as a first party to the switched telephony network as a second party, a connection of the first party to a wired telephony arrangement as a third party, and a connection of at least three of the parties in a conference call, and that the digital signal processor is programmed to switch from one connection mode to another connection mode at an external stimulus signal, the digital signal processor further being programmed to support digital signal processing functionalities of the parties in correspondence with a selected connection mode.

이 특허에 인용된 특허 (8) 인용/피인용 타임라인 분석

McDonald James A. (Buffalo Grove IL) Pickert William F. (Hoffman Estates IL), Conference call feature for spread spectrum cordless telephone.
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Chan Kar B. (Eindhoven NLX) Schuur Cornelis C. M. (Eindhoven NLX) De Haas Roelof J. H. (Eindhoven NLX), Digital radio communication system and primary and secondary station for use in such a system.
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Nishimura Satoru (Gifu JPX) Imaoka Niro (Gifu JPX) Narita Masahiro (Gifu JPX), Digital signal processing apparatus and a communication system using the same.
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Tanaka Masayuki (Tokyo JPX) Ito Koichi (Tokyo JPX), Mobile radio communication system utilizing mode designation.
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Nishitani Shuji (Kyoto JPX), Multi channel ADPCM compression and expansion device.
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Pinault Michael (Hudson NH) Strandberg Malcom (Cambridge MA), Multi-path bus digital signal processor.
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Nonami Takayuki (Hyogo JPX), Radio communication apparatus with stored coding/decoding procedures.
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Paneth Eric,ILX ; Handzel Mark J. ; Morley Steven Allan ; Avis Graham M., Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or.
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이 특허를 인용한 특허 (18) 인용/피인용 타임라인 분석

Izumi,Michihiro, Communication apparatus having wired communication function and wireless communication function, and control method therefor.
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Chung, Woo Sung, DTMF transmission structure of W-CDMA WLL system.
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Lee Seung-Bum,KRX, Digital cordless telephone system.
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Ramey, Blaine Edward; Seefeldt, David Frederick; Ramaswamy, Kumar, Method and apparatus for combining corded and cordless telephones for telephone conferencing and intercom.
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Somayajula,Shyam S., Method and apparatus for providing a sidetone in a wireless communication device.
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Hertel,Rolf; Kranz,Christian, Method and system for transmitting data via a radio interface.
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Daanen, Antonius M. J., Method for cancelling echoes in a communication system, a communication device, and a radio base station of a cordless telephone device.
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Dan Kikinis, Methods and apparatus for enhancing wireless data network telephony including a personal router in a client.
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Dan Kikinis, Methods and apparatus for enhancing wireless data network telephony including dynamic address translation.
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Kikinis, Dan, Methods and apparatus for enhancing wireless data network telephony, including quality of service monitoring and control.
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Kikinis, Dan, Methods and apparatus for enhancing wireless data network telephony, including quality of service monitoring and control.
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Guccione, Darren, Mobile conferencing and audio sharing technology.
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Kikinis Dan, Noise reduction techniques and apparatus for enhancing wireless data network telephony.
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Ogasawara Hiromichi,JPX ; Adachi Tsukasa,JPX, Radio communication method and radio communication system between base station and mobile station.
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Yano, Shigehide; Saito, Koichi; Tanaka, Masahide; Hatayama, Yasuyuki, Remote control system, television set and remote controller using manipulation signals.
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Feltström, Alberto Diego Jimenez; Ormin, Mats; Lindgren, Ulf Axel; Persson, Joakim, Side-tone control within a telecommunication instrument.
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Rubacha, Raymond; Thomasson, Samuel L., Soft mute circuit.
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Guccione, Darren S., Wireless communications connection device.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Digital cordless telephony system, a radio base station, and a combination of a radio base station and a cordless hands 원문보기