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.

Date of Patent:
Jun. 22, 2004

Filed:

Mar. 26, 2002
Applicant:
Inventor:

Takashi Yamanaka, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 1/704 ;
U.S. Cl.
CPC ...
G11B 1/704 ;
Abstract

It is an object of the present invention to provide a disk player by which position detection of a disk inserted and discrimination about whether the disk is a large one or a small one can be performed through a simple construction. A circuit board is provided either one side of a pair of detection levers which are rotated to be spread/closed while mutually interlocking with insertion of a disk or a disk guide board to which the detection levers are attached and a contact is provided on the other, and a rotary switch is composed of the circuit board and the contact so that through difference in output signal of the rotary switch, position detection of a disk and discrimination about whether the disk is a large one or a small one are performed.


Find Patent Forward Citations

Quick Actions:

Yamanaka, Takashi. (2004). Disk player (U.S. Patent No. 6754901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6754901

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…