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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 10332399 B1

PDFFull Text
Date of Patent:
Jun. 25, 2019

Filed:

Oct. 21, 2015

Object detection apparatus

Applicants:

Denso Corporation, Kariya, Aichi-pref., JP;

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Soken, Inc., Nishio, Aichi, JP;

Inventors:

Mitsuyasu Matsuura, Nishio, JP;

Takuya Nomura, Kariya, JP;

Hidenori Tanaka, Kariya, JP;

Motonari Ohbayashi, Nagakute, JP;

Hironobu Ishijima, Toyota, JP;

Assignees:

DENSO CORPORATION, Kariya, Aichi-pref., JP;

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;

NIPPON SOKEN, INC., Nishio, Aichi-pref., JP;

Attorney:

Knobbe, Martens, Olson & Bear, LLP

Primary Examiner:

Jason Holloway

Int. Cl.
CPC ...
G08G 1/16 (2006.01); G01S 7/524 (2006.01); G01S 15/02 (2006.01); G05D 1/02 (2006.01); G01S 15/93 (2006.01); G01S 15/10 (2006.01); G01S 15/87 (2006.01);
U.S. Cl.
CPC ...
G08G 1/16 (2013.01); G01S 7/524 (2013.01); G01S 15/02 (2013.01); G01S 15/10 (2013.01); G01S 15/87 (2013.01); G01S 15/931 (2013.01); G05D 1/0238 (2013.01); G05D 1/0255 (2013.01); G08G 1/163 (2013.01); G08G 1/165 (2013.01); G08G 1/166 (2013.01);
Abstract

An object detection apparatus is arranged to detect the distance to the object and includes: a transceiver repeatedly transmitting a wave as an ultrasonic wave and receives a reflection wave of the transmission wave; a transmission controller controlling the transceiver to transmit the transmission wave; a distance calculator calculating a distance to the object, based on a time interval from a moment when the transceiver transmits the wave to a moment when the reflection wave is received; and a transmission timing controller controlling timing at which the transmission controller controls the transmission wave to be transmitted. Moreover, the transmission timing controller inserts at least one type of temporary waiting time between a transmission/reception period in which the transceiver transmits the transmission wave and receives the reflection wave and a next transmission/reception period, when a predetermined crosstalk identification condition is established based on the distance to the object.

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