[특허]Data switching system and method

Data switching system and method 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04J-003/26
출원번호	US-0884800 (1986-07-11)
발명자 / 주소	Kedar Benjamin (St. Petersburg FL) Michalak Gerald P. (St. Petersburg FL)
출원인 / 주소	Tadiran Electronics Industries Ltd. (Giv\at-Shmuel ILX 03)
인용정보	피인용 횟수 : 82 인용 특허 : 0

초록 ▼

A high speed data bus is time division multiplexed into multiple logical timeslot channels. Each of these timeslot channels is dynamically allocated to multiple endpoints within the data communication system. Each of these timeslot channels is shared from multiple communication sessions by the endpoints using a CMSA/CD methodology for allocating asynchronously usage of the timeslot channels. Additionally, network terminators may be used which may support multiple logical sessions by dedicating a timeslot channel to a network terminator and having other multiple endpoints coupled to this network terminator by way of the shared channel access protocol. Multiple copies of the shared channel access protocol procedure are located at a network terminator to handle multiple usages of the peripheral bus by the network terminator.

대표청구항 ▼

A system for transmitting and receiving data comprising: a peripheral PCM bus; multiplexing means coupled to said bus for logically establishing a plurality of timeslot channels on said bus; a plurality of endpoints coupled to said bus; assignment means contained within each endpoint for assigning each endpoint to a timeslot channel; idle detect means contained in each endpoint for detecting activity and inactivity on said timeslot channel assigned to said endpoint; reservation transmit means contained in each endpoint for transmitting a reservation character unique to each said endpoint in response to said idle detect means detecting inactivity; reservation detect means contained within each endpoint for receiving said reservation characters transmitted by said reservation transmit means and for determining whether a particular reservation character has been received and whether it is in an uncorrupted state; packet transmission means coupled to said reservation detect means for transmitting a packet of data on said selected timeslot channel in response to reception of a said particular reservation character in an uncorrupted state.

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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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Data switching system and method 원문보기

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Data switching system and method 원문보기

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