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:
Dec. 02, 1980
Filed:
Jan. 25, 1979
Applicant:
Inventors:
Gustavus L van Eijck, Eindhoven, NL;
Henri J Simons, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 722 ; 360 744 ;
Abstract
Method and apparatus for writing and/or reading an address code on a record carrier, preferably for audio signals, which code consists of a number of preamble pulses, a number of code pulses and a number of post-amble pulses equal to the number of preamble pulses, while between the code pulses check pulses may be inserted.