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:
Apr. 26, 1977
Filed:
Nov. 13, 1975
Johann Spies, Pfaffenhofen, Jlm, DT;
Alfons Wohrl, Schrobenhausen, DT;
Messerschmitt-Bolkow-Blohm GmbH, Munich, DT;
Abstract
An acceleration sensing and safety-device actuating system, for actuating a safety device, such as a crash-sensitive automobile air bag detonator. A differential amplifier forms part of an operational integrator responsive to an acceleration sensor and a reference potential. A threshold device, responsive to proper operation of the reference potential, triggers an output stage to set off the safety device when the differential amplifier output indicates a given deceleration. An isolating circuit isolates the output stage for a given time after starting the automobile. A control switch shorts the operating voltage in response to low operating potential or an inoperative safety circuit, and turns on a warning indicator.