Communications: directive radio wave systems and devices (e.g. – Return signal controls external device – Radar mounted on and controls land vehicle
Reexamination Certificate
2007-03-30
2009-10-20
Tarcza, Thomas H (Department: 3662)
Communications: directive radio wave systems and devices (e.g.,
Return signal controls external device
Radar mounted on and controls land vehicle
C342S082000, C342S083000, C342S159000
Reexamination Certificate
active
07605745
ABSTRACT:
Provide an on-vehicle radar device that performs transmission control of a monitoring signal, following fixed rules, so that interference with other radar devices can be avoided with certainty. An on-vehicle radar device comprises a transceiver which transmits/receives a monitoring signal at a specified frequency band and transmits a priority order signal at a frequency within the above-mentioned frequency band, and a controller which switches the signals transmitted by the transceiver. The transceiver receives a priority order signal of another radar device, and when interference with the signal of the other radar device is detected, the controller, based on the priority order of that other device and on the priority order of the device itself, shifts, by a specified frequency amount, the frequency band of the monitoring signal transmitted by the transceiver.
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Japan Patent Office, “Notification of Reasons for Rejection”, Jan. 20, 2009, Published in: JP.
Honda Kanako
Isaji Osamu
Ohkubo Naofumi
Seki Tetsuo
Shirakawa Kazuo
Bythrow Peter M
Fogg & Powers LLC
Fujitsu Limited
Fujitsu Ten Limited
Tarcza Thomas H
LandOfFree
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