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:
Feb. 22, 1994
Filed:
Nov. 14, 1991
Hiroshi Watanabe, Yokosuka, JP;
Junichi Kasai, Yokohama, JP;
Kunihiko Kurami, Kawasaki, JP;
Hiroyuki Kamishima, Yokosuka, JP;
Nissan Motor Co., Ltd., , JP;
Abstract
To activate an alarm generator mounted on each of other vehicles except opposing vehicles running on an opposing lane, the alarm system for an automotive vehicle which informs other vehicles of the presence of its own vehicle comprises a timing detector for detecting a timing when the alarm system is activated or deactivated; two transmitters for transmitting wide- and narrow-area alarm signals, respectively to other vehicles; two receivers for receiving wide- and narrow-area alarm signals transmitted from another vehicle, respectively; an alarm generator; and a controller for activating the alarm generator when only the wide-area alarm signal transmitted from another vehicle is received.