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:
Oct. 19, 1999
Filed:
Mar. 25, 1998
Samsung Electronics Co., Ltd., Kyungki-do, KR;
Abstract
A controlling device of a tunable filter includes a base, a tunable filter on the base along an optical path between first and second optical fibers, a holder rotatably installed on the base to support the tunable filter, a driving unit installed on the base for providing a rotational force, a speed reducing device, and a rotating unit for rotating the holder in accordance with the linear movement of the movable member. The speed reducing device has a worm gear extending from a rotating shaft of the driving unit, and a movable member provided with a threaded hole engaged with the worm gear to allow reciprocal movement along the worm gear according to the rotation direction of the worm gear.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile