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:
Jul. 27, 1982
Filed:
Aug. 28, 1980
Applicant:
Inventors:
Masakazu Tsunoda, Fujisawa, JP;
Teruo Kawasaki, Yokohama, JP;
Assignee:
Nissan Motor Company, Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ; B60Q / ;
U.S. Cl.
CPC ...
340 / ; 179 / ; 340521 ; 340692 ;
Abstract
A voice warning system for an automotive vehicle automatically adjusts the voice volume to an appropriate sound level in accordance with the noise level within the passenger compartment. The improved system incorporates a noise level sensor and an electronic volume control in a voice warning system which includes a plurality of information switches and a multiplexer for providing control signals for an LPC-type voice synthesizer cooperating with a voice memory under control of a microcomputer to provide appropriate warning announcements.