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.

Date of Patent:
Jan. 26, 2016

Filed:

Sep. 11, 2014
Applicant:

Hon Hai Precision Industry Co., Ltd., New Taipei, TW;

Inventors:

Chih-Huang Lien, Hsinchu, TW;

Chen-Jung Fang, New Taipei, TW;

Hui-Ting Shen, Hsinchu, TW;

Chin-Chou Lin, Hsinchu, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/44 (2011.01); G06F 3/0354 (2013.01); G06F 3/038 (2013.01); H04N 5/445 (2011.01);
U.S. Cl.
CPC ...
H04N 5/4403 (2013.01); G06F 3/038 (2013.01); G06F 3/03545 (2013.01); H04N 2005/4412 (2013.01); H04N 2005/4428 (2013.01); H04N 2005/44573 (2013.01);
Abstract

A demonstration device includes a handheld terminal and a receiving terminal. The handheld terminal includes a mode switch key, and a first micro control unit. The mode switch key can generate a mode switch trigger signal to change from TV signal mode for example, to whiteboard mode. The receiving terminal includes a second micro control unit, and a mode switch executing unit. The second micro control unit can receive the mode switch control signal, and the mode switch executing unit can switch the receiving terminal from TV signal mode to a whiteboard mode according to the mode switch control signal. The receiving terminal draws a picture with lines of particular colors and widths according to movements of the handheld terminal when held in a user's hand.


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