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. 14, 2003
Filed:
Jan. 28, 2002
Jun Shen, Phoenix, AZ (US);
Chengping Wei, Gilbert, AZ (US);
Other;
Abstract
Micro magnetic position sensor apparatus includes a magnet for producing a magnetic field, a fixed contact, and a cantilever having magnetic material positioned therein to produce a torque on the cantilever in the magnetic field, the torque tending to align the cantilever with magnetic field lines in the magnetic field. The cantilever is mounted to provide it with a first position in electrical connection with the fixed contact and a second position in electrical disconnect with the fixed contact. The cantilever is further mounted so as to be normally in one of the first and second positions and movable to the other of the first and second positions when the magnetic field lines in the magnetic field are altered relative to the cantilever by proximity of an external object.