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.:

US 8342699 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 01, 2013

Filed:

Jun. 30, 2009
Applicants:

Wei-peng an, Shenzhen, CN;

Feng-xiang Tang, Shenzhen, CN;

Inventors:

Wei-Peng An, Shenzhen, CN;

Feng-Xiang Tang, Shenzhen, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/26 (2006.01); G03B 21/14 (2006.01); G03B 21/22 (2006.01); G06F 3/038 (2006.01); H04M 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An electronic device includes a body, a rotatable member, a projecting unit configured for projecting an image, a sensing unit and a processing unit. The body includes a connecting end, and a plurality of conductive contacts is formed at the connecting end. The rotatable member is rotatably connected to the connecting end. The rotating member includes a conductive ball configured for being electrically connected to one of the plurality of the conductive contacts, and the plurality of conductive contacts are formed along a displacement path of the conductive ball. The sensing unit is configured for sensing interactions at specific locations corresponding to the projected image. The processing unit stores a plurality of images, and is configured for controlling the projecting unit to project a corresponding image according to the conductive contact which is electrically connected to the conductive ball.


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