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:
Sep. 22, 1998

Filed:

Nov. 12, 1996
Applicant:
Inventor:

Hyung Jun Yoo, Seoul, KR;

Assignee:

Goldstar Co., Ltd., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 4432 ; 369 54 ;
Abstract

A lift control device with a tilt sensor for controlling a lifter which moves a pickup assembly vertically, includes a light mechanism for emitting a light beam to the surface of a disk, a converting unit for converting a light beam reflected from the surface of the disk into voltage signals, a tilt detecting unit for detecting a tilt between an axis of the light beam and an axis perpendicular to the surface of the disk according to the voltage signals from the converting unit and generating a tilt monitor signal based on the detection, and a driving unit for controlling the lifter and thereby vertically moving the pickup assembly according to the tilt monitor signal.


Find Patent Forward Citations

Yoo, Hyung. (1998). Lift control device and method for controlling a lifter in optical disk (U.S. Patent No. 5812504). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5812504

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

Loading…