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:
Sep. 19, 1995
Filed:
Feb. 12, 1993
Samsung Electronics Co., Ltd., Kyungki-do, KR;
Abstract
A disc recognizing method prevents a leaf spring of a pickup from being deformed in an optical disc playback apparatus including a pickup transfer for moving a pickup and a plurality of starting point detecting switches for recognizing a type of a seated disc. The method includes a disc recognizing step of recognizing the seated disc by virtue of an on state of a first starting point detecting switch which corresponds to the starting point of a laser disc when a playback mode is selected, a disc recognizing step of recognizing the seated disc by virtue of an on state of a second starting point detecting switch which corresponds to a compact disc, and a disc recognizing step of recognizing the seated disc by inwardly transferring the pickup for a predetermined period of time when a focusing operation fails after the first starting point detecting switch has been turned on.