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:
Sep. 16, 1980
Filed:
Feb. 14, 1979
Hiroyuki Nomura, Yokohama, JP;
Takaaki Mogi, Yokohama, JP;
Teruo Kawasaki, Yokohama, JP;
Masanori Mizote, Yokosuka, JP;
Kiyoshi Yamaki, Yokohama, JP;
Takashi Oka, Tokyo, JP;
Hideoki Matsuoka, Yokohama, JP;
Nissan Motor Company, Limited, Yokohama, JP;
Abstract
A speed alarm system for a motor vehicle comprises a speed sensor, a plurality of comparators responsive to the vehicle speed and respective preset reference speeds, and a plurality of lamps responsive to the output signals of the comparators. The threshold values which are defined by said reference speeds, are stepwisely arranged to change the number of the lamps energized. The number of energized lamps varies in accordance with the difference between the vehicle speed and a reference speed.