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.:
Date of Patent:
Oct. 16, 2007
Filed:
Mar. 17, 2000
Applicants:
Shuji Arakawa, Hiratsuka, JP;
Seiichi Mizui, Odawara, JP;
Seiji Kamada, Chigasaki, JP;
Yoshio Asayama, Chigasaki, JP;
Noriaki Abe, Kawasaki, JP;
Inventors:
Shuji Arakawa, Hiratsuka, JP;
Seiichi Mizui, Odawara, JP;
Seiji Kamada, Chigasaki, JP;
Yoshio Asayama, Chigasaki, JP;
Noriaki Abe, Kawasaki, JP;
Assignee:
Komatsu Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04M 3/42 (2006.01); B60Q 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Communications are performed between a mobile unit and a terminal device. The mobile unit is provided with a communication device that is capable of communicating with the terminal device if it is connected electrically with a power supply. When an engine key switch signal is off, the electrical connection between the power supply and the communication device is turned on and off intermittently.