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:
Aug. 05, 1980
Filed:
Mar. 12, 1979
Applicant:
Inventors:
Dieter Holzmann, Freiburg-Munzingen, DE;
Dirk Hoffmeister, Mahlberg, DE;
Assignee:
ITT Industries, Incorporated, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G10H / ; H04Q / ;
U.S. Cl.
CPC ...
84-101 ; 84DI / ; 307251 ; 307303 ; 307304 ; 328137 ; 328154 ; 3401 / ;
Abstract
The circuit enables the selection of the upper or the lower tone of an electronic organ chord with regard to a switching signal. In response to said switching signal each tone frequency signal handled is either fed to the anode or the cathode of a switch component of a plurality of switch components connected in series whereas the switch components of the tone frequency signal not handled are switched on.