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:
Jun. 10, 1997
Filed:
Sep. 07, 1995
Jun-Hyun Park, Seoul, KR;
Daewoo Electronics Co., Ltd, Seoul, KR;
Abstract
The projection-lens driving apparatus for a 3-beam projector includes a housing, a triplet of cylindrical projection-lens holders, a pair of cam members, each of the cam members having a triplet of guide rails, a trifurcating member, a driving means provided with a feed screw and a motor, three pairs of brackets, three pairs of feed rollers, one end of each of the brackets coupled to one of the feed rollers which, in turn, is coupled to one of the guide rails, the other end thereof being coupled to one cylindrical projection-lens holder, and a triplet of guiding means, each of the guiding means mechanically coupling one of the cylindrical projection-lens holders with the housing. The pair of cam members and the cylindrical projection-lens holders are mechanically coupled through the feed screw of the driving means to allow a synchronous movement of the components constituting the apparatus.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile