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:
Dec. 23, 1980
Filed:
Aug. 20, 1979
Hiroyuki Yatsuka, Kawasaki, JP;
Yasuhiro Isogai, Akashi, JP;
Fujitsu Limited, both of, JP;
Fujitsu Ten Limited, both of, JP;
Abstract
Radar equipment for vehicles which sends out from a transmitting antenna a continuous wave signal modulated by a frequency modulator, receives a reflected wave by a receiving antenna and mixes it with one portion of the output from the frequency modulator by a mixer for output and in which the transmitting antenna and the receiving antenna are arranged in a V-letter form. A directional coupler is provided between the frequency modulator and the transmitting antenna for applying one portion of the output from the frequency modulator to a mixer of an in-line type and a coupling element are disposed between the receiving antenna and the directional coupler, and an impedance-adjustable dummy load is connected to a dummy terminal of the directional coupler.