Image supply device, display system, image supply method, and information recording medium

A technology for supplying devices and display systems, applied in image communication, components of TV systems, digital output to display devices, etc., can solve the problems of reducing the amount of data, heavy load, and difficulty, and achieve the effect of reducing the amount of data

CN102736883AInactive Publication Date: 2012-10-17SEIKO EPSON CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2012-10-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

An image supply device capable of communicating with an image display device adapted to display an image with a predetermined display resolution, a display system, an image supplying method and an information recording medium are disclosed. The image supply device includes a transmission image data generator adapted to generate transmission image data with a resolution lower than a display resolution of the image display device, and a transmitter adapted to transmit the transmission image data generated by the transmission image data generator to the image display device.
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Description

technical field

[0001] The present invention relates to an image supply device, a display system, an image supply method, and an information recording medium. Background technique

[0002] Conventionally, the use of transmitting image data from a device such as a personal computer to a display device such as a projector is known. Specifically, there is known a method of expanding image data on the computer side and transferring it to a transfer destination device.

[0003] If the amount of image data tends to increase and the frequency band of the transmission path is insufficient, it will take time to transmit the data. In addition, when a communication path shared by a plurality of computers is used, a frequency band is occupied, which affects communication between other computers. Therefore, as a method of shortening the transfer time, it is disclosed that a screen is divided into modules as bitmap data, and when the number of colors is small, the number of indexes is r...

Examples

Embodiment Construction

[0032] Hereinafter, embodiments to which the present invention is applied will be described with reference to the drawings.

[0033] figure 1 It is a diagram showing a schematic configuration of a display system 10 to which an embodiment of the present invention is applied. Should figure 1 The shown display system 10 is configured such that a projector 11 as an image display device and a PC (Personal Computer) 13 as an image supply device that transmits image data to the projector 11 are communicably connected to each other via a communication network 17 .

[0034] The projector 11 receives the image data sent from the PC 13, and projects an image on the screen SC based on the image data.

[0035] The PC 13 includes a monitor 14 (display screen) having a display screen such as a liquid crystal display panel, and transmits image data for displaying an image displayed on the monitor 14 by the projector 11 to the projector 11 . The image data sent from the PC 13 to the project...