Optical communications – Multiplex – Optical local area network
Reexamination Certificate
2007-02-22
2010-06-01
Curs, Nathan M (Department: 2613)
Optical communications
Multiplex
Optical local area network
C398S066000
Reexamination Certificate
active
07729614
ABSTRACT:
A data distribution system transmitting and receiving a large capacity of data such as image data smoothly without incurring a delay over an optical fiber line located between a data sever and a client device. In the data transmission system, a plurality of client devices are bus-connected through an optical fiber to a data server transmitting and receiving data as signal light. Each of the client devices has a client optical switch and is connected with a client access device. The client optical switch is structured with a thermal-lens forming element and a signal-light path shifting member. When any of the client devices forwards an access command to its own client access device, control light is irradiated from the client access device to the own client optical switch thus effecting a switchover. Thus, transmission data of from the data server is stored in a data storage of the relevant client device.
REFERENCES:
patent: 2003/0194241 (2003-10-01), Farmer
patent: 2004/0141747 (2004-07-01), Kenny et al.
patent: 2005/0248844 (2005-11-01), Ueno et al.
patent: WO 2005081573 (2005-09-01), None
Hiraga Takashi
Mizokuro Toshiko
Tanaka Norio
Tanigaki Nobutaka
Ueno Ichiro
Curs Nathan M
Dainichiseika Color & Chemicals Mfg. Co. Ltd.
National Institute of Advanced Industrial Science and Technology
Wenderoth , Lind & Ponack, L.L.P.
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