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:
Nov. 18, 2003
Filed:
Sep. 27, 1999
Applicant:
Inventors:
Walter Friedrich Strohbeck, Narre Warren, AU;
Roderick John Pettit, Wantirna South, AU;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 3/10 ;
U.S. Cl.
CPC ...
G08B 3/10 ;
Abstract
A sounder control system, including a converter circuit for converting a drive signal to a signal for activating a sounder and a drive circuit for generating the drive signal. The drive circuit includes a microprocessor for receiving at least one input signal representative of one of a plurality of control parameters for the sounder control system and for adjusting the drive signal on the basis of the at least one input signal, such that the sounder exhibits a predetermined sound pressure level characteristic.