Multiplex communications – Diagnostic testing – Determination of communication parameters
Reexamination Certificate
2008-03-25
2008-03-25
Gelin, Jean (Department: 2617)
Multiplex communications
Diagnostic testing
Determination of communication parameters
C370S311000, C370S401000, C370S438000, C370S467000, C375S261000, C375S268000, C455S086000, C455S296000, C455S450000
Reexamination Certificate
active
11190978
ABSTRACT:
An ASK communication device includes a master station and slave stations connected to the master station through a bus line. The master station includes a transmission unit for ASK-modulating a carrier signal outputted from an oscillation circuit owned thereby and outputting, to a bus line, ID signals of the respective stations and data transmitted to the respective slave stations in a case of transmitting the data from the master station, and outputting the ID signal of the slave station as a transmission source and the carrier signal to the bus line in a case of transmitting the data from the slave station, and a master-side reception unit for receiving, through the bus line, the data transmitted from the slave station. The at least one slave station includes a slave-side reception unit for receiving the data transmitted from the master station and other slave stations, and an attenuation unit for attenuating and ASK-modulating the carrier signal outputted from the master station to the bus line.
REFERENCES:
patent: 2007/0025738 (2007-02-01), Moore
patent: 2002-152291 (2002-05-01), None
Kawamura Atsushi
Shiraishi Naoyuki
Sugimoto Terumitsu
Yanagida Yo
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Gelin Jean
Mehra Inder Pal
Yazaki -Corporation
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