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Display device

A technology for a display device and a display part, which is applied to parts and electrical components of TVs and color TVs, can solve problems such as startup, and achieve the effect of improving accuracy

Inactive Publication Date: 2009-12-23
SANYO ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in the case of HDMI devices that are not usually connected, such as cameras, frequent connection changes will occur
Since the model name is not notified to the TV receiver when it is only connected to another device that has been switched to the power-off state, the OSD on the TV receiver may display the model name of the previously connected device.
Therefore, there is a problem that the user has to turn on the power of the HDMI device every time the TV receiver wants to correctly display the model name on the OSD
[0009] Also, there is a problem that even if the HDMI cable is unplugged from the TV receiver or removed from the power stand to disconnect, the model name of the previously connected device will continue to be displayed on the TV receiver

Method used

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Embodiment Construction

[0028] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0029] figure 1 It is a figure which shows the state which HDMI connected the television receiver of this invention, and a video camera. The HDMI terminal of the television receiver 100 of the present invention and the HDMI terminal of the power supply cradle (cradle) 300 are connected with the HDMI cable 400, and the video camera 200 is mounted on the power supply cradle 300. Video and audio signals reproduced by the camera 200 are input to the television receiver 100 through the power supply stand 300 and the HDMI cable 400 . In addition, through the power bracket 300 and the HDMI cable 400 , the TV 100 and the camera 200 can bidirectionally send CEC commands.

[0030] figure 2 is a schematic structure diagram of the television receiver of the present invention. The television receiver 100 of the present invention has a tuner 2, an MPEG decoder 3, an image proces...

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PUM

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Abstract

The present invention provides a display device, capable of improving a correctness of the OSD display of model name when an external device of an electricity-saving state is connected after memorizing the model name information of the external device of general active state and information of other external devices temporarily. After notifying manufacturer name information and model name information to a television receiver (100) from a camera (200) of a power supply on-state and memorizing those information in NVRAM, when there is a notification for inquiring the manufacturer name information to the television receiver (100) from the equipment of a power supply off-state, and the notified manufacturer name information is identical to the manufacturer name information memorized in the NVRAM, the model name is displayed based on the model name information memorized in the NVRAM, otherwise, the model name is not displayed.

Description

technical field [0001] The invention relates to a display device. Background technique [0002] In recent years, television receivers having HDMI (High Definition Multimedia Interface) terminals in addition to video input terminals and broadcast tuners have been increasing. The HDMI interface is a digital interface for digital AV equipment, and can transfer video or audio data at high speed with one cable. In addition, not only in TV receivers, but also in digital AV equipment such as DVD recorders, HDMI interfaces are becoming common. [0003] On the other hand, in the HDMI specification, together with the AV output specification, a CEC (Consumer Electronics Control) function capable of controlling both devices connected to the HDMI is defined. Devices corresponding to the CEC function have also been sold in large quantities. In the CEC function, two-way command communication is possible between HDMI-connected devices, so one-to-one or one-to-many device control is possi...

Claims

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Application Information

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IPC IPC(8): H04N5/445H04N5/775H04N5/44
Inventor 北森丰林崇文小林清安田真己
Owner SANYO ELECTRIC CO LTD
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