Image transmission system

Details Image transmission system Image transmission system

H - Electricity

04

N

H04N 7/26 (2006.01)

Patent

CA 2727338

The present invention is directed to enabling image display at a high resolution according to connection of an external device 13 including a display environment having a higher resolution than that of a display specification of a receiver 3 itself. An encoder 5 compresses a captured image output from a camera 4 in either one of a QVGA mode and a VGA mode. A decoder 9 expands the compressed image input via sending and receiving circuits 6 and 8, and generates a QVGA expanded image from the compressed image in the QVGA mode while generating a VGA expanded image from the compressed image in the VGA mode. A QVGA display unit 11a displays the QVGA expanded image. A USB interface 12 outputs the VGA expanded image outward. When the external device 13 is not connected, the captured image is compressed in the QVGA mode, so that the QVGA expanded image is displayed on the QVGA display unit 11a. When the external device 13 is connected, the captured image is compressed in the VGA mode, so that the VGA expanded image is displayed on a VGA display unit 13a via the USB interface 12.

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