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:
Jun. 12, 1990
Filed:
Sep. 13, 1988
Applicant:
Inventors:
Yoshiharu Igawa, Fujisawa, JP;
Masahiro Kunitachi, Fujisawa, JP;
Assignee:
Shiroki Kinzoku Kogyo Kabushiki Kaisha, Fujisawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60Q / ; B60R / ;
U.S. Cl.
CPC ...
3404255 ; 340426 ; 340429 ; 340430 ; 307 103 ; 307 106 ;
Abstract
An automobile theft prevention device has an alarm circuit for intermittently energizing a horn, a sensor for detecting a monitored action; and a control unit for controlling the alarm circuit so as to intermittently energize the horn when the monitored action is detected by means of the sensor during a period of time after an automobile door is locked according to a predetermined procedure and until the automobile door is properly unlocked.