US 7,454,228 B2
Display device and display system
Hidetaka Mizumaki, Nara (Japan); Katsuya Mizukata, Shijonawate (Japan); and Yasukuni Yamane, Shiki-gun (Japan)
Assigned to Sharp Kabushiki Kaisha, Osaka (Japan)
Appl. No. 10/312,899
PCT Filed Jun. 01, 2001, PCT No. PCT/JP01/04683
§ 371(c)(1), (2), (4) Date Dec. 30, 2002,
PCT Pub. No. WO02/03367, PCT Pub. Date Jan. 10, 2002.
Claims priority of application No. 2000-197669 (JP), filed on Jun. 30, 2000.
Prior Publication US 2003/0190928 A1, Oct. 09, 2003
Int. Cl. H04M 1/00 (2006.01)
U.S. Cl. 455—550.1  [455/566; 455/574; 345/8; 345/589; 345/619; 345/98; 345/211; 340/636.1] 21 Claims
OG exemplary drawing
 
1. A display system including:
a body unit for transmitting display data that has been generated; and
a display device for performing display in accordance with the display data that has been transmitted from the body unit, wherein
the body unit and the display device perform communications via radio communication means, and the body unit and the display device are separately wearable,
the display device includes:
a receiving section for receiving the display data that has been transmitted from the body unit via the radio communication means,
a control section for providing a display signal to a display panel in accordance with the display data that has been received, and for controlling the receiving section, and
a transmitting section for causing the control section to evaluate a display condition of the display panel, so as to feedback an evaluation result to the body unit via the radio communication means,
the display data is processed by the body unit so as to be directly displayable in the display device,
the body unit determines an amount of the display data that is to be transmitted to the display device in accordance with power capacity information, and
the body unit transmits the display data directly to the display device via radio communication.