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:
Oct. 28, 1986
Filed:
Mar. 23, 1984
Applicant:
Inventors:
Winfried Jansen, Hasloh, DE;
Wolfgang Nolde, Hamburg, DE;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H04H / ;
U.S. Cl.
CPC ...
381-4 ; 364721 ; 328 22 ; 328158 ; 307261 ;
Abstract
An approximately sinusoidal signal is generated by superimposing a first signal, which has a half cycle duration and corresponds to a triangular signal which is suppressed during every second half cycle, on a second triangular signal, every second waveform of the superimposed signal thus obtained being inverted.