Title:
INPUT DEVICE FOR MOBILE PHONE
Document Type and Number:
WIPO Patent Application WO/2010/128795
Kind Code:
A2
Abstract:
The present invention relates to an input device for a mobile phone with an aesthetically pleasing appearance whereby input signals are sent in a non-contact manner, and comprises: a light emitting element which emits a straight infrared ray towards an exterior hollow space; a frame, arranged opposite said light emitting element, accommodating a light receiving element which detects the infrared ray and outputs a signal; a control unit for receiving the signal from said light receiving element and detecting a coordinated value; and said light receiving element detecting only the reflected infrared ray from certain objects within the infrared rays that go straight from said light emitting element towards the exterior hollow space.
Inventors:
CHOI KWANG-CHEOL (KR)
Application Number:
PCT/KR2010/002847
Publication Date:
November 11, 2010
Filing Date:
May 04, 2010
Export Citation:
Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
CHOI KWANG-CHEOL (KR)
CHOI KWANG-CHEOL (KR)
International Classes:
G06F3/042; H04B1/38
Foreign References:
| KR100829172B1 | 2008-05-13 | |||
| US20080122792A1 | 2008-05-29 | |||
| US20070165008A1 | 2007-07-19 | |||
| JP2005135329A | 2005-05-26 | |||
| US20080029691A1 | 2008-02-07 |
Other References:
None
See also references of EP 2428881A4
See also references of EP 2428881A4
Attorney, Agent or Firm:
KWON, Hyuk-Rok et al. (KR)
권혁록 (KR)
권혁록 (KR)
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