VIDEO DISPLAY DEVICE, SHUTTER GLASSES, VIDEO DISPLAY SYSTEM, AND COMMUNICATION METHOD

WIPO Patent Application WO/2011/068031

A1

Provided are a video display device, a shutter glasses, a video display system, and a communication method, capable of reducing a consumed power. The shutter glasses is provided with a shutter for transmitting or blocking a video displayed at a predetermined display cycle on a video display device, by an opening/closing operation on the basis of control information; a clock counter (261), a reception unit (RF communication unit (234), reception side count value latch circuit (262), reception side count value holding units (464a, 464b), count value acquisition unit (263), and transmission side count value holding units (465a, 465b)) which acquires, as a reception time count value, a value of the clock counter when a transmission time count value is received from the video display device, the transmission time count value being on the basis of the value of a built-in clock counter of the video display device; and a control unit (power source control unit (443)) for setting an intermittent reception time slot for the reception unit to receive the control information from the video display device on the basis of the transmission time count value and the reception time count value.

TSURUMOTO TAKASHI (JP)
SATOH YOSHINORI (JP)
YAMASAKI TAKAYOSHI (JP)
KIKUCHI KAZUNORI (JP)

PCT/JP2010/070488

June 09, 2011

November 17, 2010

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SONY CORP (JP)
TSURUMOTO TAKASHI (JP)
SATOH YOSHINORI (JP)
YAMASAKI TAKAYOSHI (JP)
KIKUCHI KAZUNORI (JP)

H04N13/04; G02F1/13; G02F1/133; G09F9/00; G09G5/12; G09G5/36

JPH08265863A	1996-10-11
JPH1198540A	1999-04-09
JPH08317423A	1996-11-29
JPH09138384A	1997-05-27
JP2000036969A	2000-02-02
JP2003045343A	2003-02-14

See also references of EP 2391144A4

KAMEYA, Yoshiaki et al. (JP)
Yoshiaki Kameya (JP)

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