1
Amemiya Shigeo, Tezuka Koji Fujitsu Dai Nakah, Shinomiya Tomohiro Copo Haibur, Takeo Hiroshi Mezon Sano, Soejima Tetsuo, Iguchi Kazuo: Polling communication system.. Fujitsu, September 5, 1990: EP0385431-A2 (15 worldwide citation)

A communication system containing a master station (10), a plurality of slave stations (201, 202, ... 20n-1, 20n), a transmission line (30, 40) for transmitting a signal between the master station and the plurality of slave stations. The master station contains: a request sending allowance signal se ...


2
Tezuka Koji, Shinomiya Tomohiro, Amemiya Shigeo, Iguchi Kazuo, Soejima Tetsuo: Polling communication system with priority control.. Fujitsu, June 13, 1990: EP0372567-A2 (8 worldwide citation)

A communication system containing: a master station (A), a plurality of slave stations (B1, B2, ... Bn-1, Bn) each for communicating with the above master station (A), a two-way transmission line (101, 102) connecting the above master station (A) and the above plurality of slave stations (B1, B2, .. ...


3
Chujo Takafumi, Komine Hiroaki, Miyazaki Keiji, Ogura Takao, Soejima Tetsuo: Method for searching for alternate path in communication network.. Fujitsu, July 10, 1991: EP0436201-A1 (8 worldwide citation)

A method includes the steps of a) detecting a failure which occurs in a node or link (step 101), and b) identifying at most N nodes contained in each path affected by the occurrence of the failure (step 102,103). The method also includes the steps of c) broadcasting a restoration message having an i ...


4
Chujo Takafumi, Komine Hiroaki, Miyazaki Keiji, Ogura Takao, Soejima Tetsuo: Method for restructuring communications network based on asynchronous transfer mode in case of failure.. Fujitsu, May 13, 1992: EP0484943-A2 (7 worldwide citation)

A method for structuring a communications network based on an asynchronous transfer mode in which communications are held with the use of cells transferred between a node (C) on the upstream side and a node (D) on the downstream side. The method for structuring the network includes a step for prepar ...


5
Iguchi Kazo, Soejima Tetsuo, Murano Kazuo, Amemiya Shigeo, Komine Hiroaki, Watanabe Toshiaki Nishimura Ap, Shinomiya Tomohiro: Frame synchronizing apparatus.. Fujitsu, October 5, 1988: EP0285158-A2 (6 worldwide citation)

Disclosed is a frame synchronizing apparatus in a receiving equipment for receiving digital signals for PCM communication. The digital signals consist serial signals at a rate of f0 (bps). The serial signals include a frame synchronizing signal constituting n bits or a part of the frame synchronizin ...


6
Iguchi Kazuo, Soejima Tetsuo, Amemiya Shigeo, Komine Hiroaki: An optical bus type communication system.. Fujitsu, April 6, 1988: EP0262409-A2 (6 worldwide citation)

An optical bus type communication system comprises a bus type transmission line (20) consisting of an optical fiber, a light source (10), provided at the one end of the bus type transmission line (20), for sending an optical signal of constant level to the bus type transmission line (20), a pluralit ...


7
Komine Hiroaki, Chujo Takafumi, Miyazaki Keiji, Ogura Takao, Soejima Tetsuo: Communication system using route setup procedure.. Fujitsu, January 8, 1992: EP0464680-A2 (5 worldwide citation)

A communication system using a network route establishing technique for a network having a plurality of nodes (11 to 18) connected through links (21 to 31), in which a route search message is delivered simultaneously in a plurality of directions from a sender node (11) through a network route to a d ...


8
Iguchi Kazuo, Soejima Tetsuo, Murano Kazuo: Multiplexing apparatus having bsi-code processing and bit interleave functions.. Fujitsu, September 28, 1988: EP0284089-A2 (4 worldwide citation)

A multiplexing apparatus of a bit interleave type for time-division multiplex on PCM signals of a plurality of channels bit by bit to convert the PCM signals into a high-speed PCM signal. To maintain the advantage of the synchronous multiplex system, the multiplexing apparatus has a BSI-code process ...


9
Iguchi Kazuo, Soejima Tetsuo, Watanabe Toshiaki Nishimura Ap, Amemiya Shigeo: Multiplex dividing apparatus in a synchronous multiplexing system.. Fujitsu, February 8, 1989: EP0302112-A1 (3 worldwide citation)

The system comprises a shift register (21), a control latch unit (22), a channel number identification unit (24), a timing control unit (25) and a demultiplexing latch unit (26). Serial input data (1) are converted into parallel data (SR1, SR2, SRn) and an output of a certain channel (SRn) is latche ...


10
Amemiya Shigeo, Komine Hiroaki Syarumu Kashima, Shinomiya Tomohiro, Iguchi Kazuo, Soejima Tetsuo: Polling network communication method and system having transmission request registration means.. Fujitsu, June 28, 1989: EP0321976-A2 (3 worldwide citation)

In a sequential polling type communication network system including a master station (1), a first channel, a second channel, and at least two slave stations (2), the master station (1) includes request registration units for registering data transmission requests (DR) from slave stations (2) during ...