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.

Date of Patent:
Apr. 27, 2004

Filed:

Feb. 28, 2002
Applicant:
Inventors:

Yoshiyuki Sasada, Hitachinaka, JP;

Tadashi Isono, Mito, JP;

Shiro Oouchi, Hitachinaka, JP;

Terumi Nakazawa, Naka-machi, JP;

Mamoru Ooba, Hitachinaka, JP;

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 ;
U.S. Cl.
CPC ...
H01Q 1/38 ;
Abstract

A high frequency transmitter-receiver which can prevent an antenna pattern from being broken. A radar apparatus is provided with a high frequency antenna, a base plate and a module. The antenna is comprised of an organic substrate and a metal pattern formed on the organic substrate. The high frequency antenna is adhered to the base plate astride the module. Here, the gap between the base plate and the module where the antenna is adhered is configured to satisfy the expression (an amount of change in gap size with respect to a change in use temperature)÷(an original gap size)≦6%.


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