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. 26, 1999
Filed:
Jan. 14, 1997
Applicant:
Inventors:
Naofumi Okubo, Kawasaki, JP;
Teruhisa Ninomiya, Kawasaki, JP;
Tamio Saito, Kawasaki, JP;
Osamu Isaji, Hyogo, JP;
Assignees:
Fujitsu Ltd., Kawasaki, JP;
Fujitsu Ten Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S / ; G01S / ;
U.S. Cl.
CPC ...
342 70 ; 342 82 ; 342 88 ; 342109 ;
Abstract
A single antenna is used so that time-division transmission and reception is carried out in a radar apparatus for obtaining a distance and a relative speed with respect to a target object based on a beat signal obtained by transmitting a frequency modulated signal and mixing a received signal reflected by said target object with the frequency modulated signal that is transmitted.