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:
Feb. 22, 1983
Filed:
Jul. 17, 1981
Shinya Takahashi, Tokorozawa, JP;
Pioneer Electronic Corporation, Tokyo, JP;
Abstract
An intersong detecting circuit for an automatic music selecting device for a record player in which intersong intervals are accurately detected even for a disc having irregular reflectivities or between discs of different reflectivities. An intersong sensor detects intersong intervals between adjacent songs on a recording disc. The output signal from the intersong sensor is sampled and held at a rate determined by a leading-in time/reproducing time time-constant switching signal. The sampled-and-held signal is compared with the output of the sensor to produce a differential signal and an intersong identification signal is produced when the differential signal exceeds a predetermined threshold value.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile