US Patent 7278314 Obstacle detection system
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Patent Inventor Names
Hiroyuki Kani0
Masakazu Takeichi0
Yoshihisa Sato0
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Patent abstract
A plurality of ultrasonic sensors is provided in both front and rear bumpers of a vehicle to detect obstacles around the vehicle. Each sensor sets up a transmission frequency of an ultrasonic pulse signal that should be set up in a frequency adjustment circuit and a center frequency in filter processing in a filter circuit in response to a frequency setting frame transmitted from an EMU. The EMU stores a combination of the transmission frequency and the center frequency for each ultrasonic sensor.
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US Patent 07278314 Obstacle detection system US Patent 7278314 Obstacle detection system
Infobox
Patent Number
072783140
Patent Number
72783140
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Official Website
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Patent Jurisdiction
Patent Number
072783140
Date of Patent
October 9, 2007
0Patent Application Number
111695800
Date Filed
June 30, 2005
0Official Website
Patent Primary Examiner
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US Patent 07278314 Obstacle detection system
Infobox
Is a
Patent jurisdiction
Patent number
07278314
Date of patent
October 9, 2007
Patent application number
11169580
Date Filed
June 30, 2005
Patent primary examiner
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