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:
Feb. 17, 2004
Filed:
Jun. 03, 2002
Akihito Tamamura, Sabae, JP;
Kabushiki Kaisha Audio-Technica, Tokyo, JP;
Abstract
A laser line beam emitting apparatus provided hereto has accommodations of rough handling or quick operations, preferable for construction sites in use, having a gimbals mechanism, and a laser unit holder swingy held by the mechanism and having at least one laser unit provided thereto, wherein a mechanism for performing automatic relocation of the tilted holder to its desired position is provided. The mechanism for automatic location can perform from detection of the tilting to relocation of the tilted holder to its desired position at instant. It comprises a level sensor provided to the holder for detection of the tilting to output resultant signals, and a device for generation of thrust, which is constructed by a magnet and at least one coil circuit for generation of thrust going to a direction of elimination of tilting of the holder, wherein the signals from the sensor control conduction to the coils.