Video signal processor

United States of America Patent

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Issued Date
Feb 9, 2006
app pub date
Aug 4, 2005
filing date
Aug 6, 2004

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Abandoned

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Abstract

A video signal processor which can reduce the noise of quantized video signal. A bit-added video signal is prepared by adding a bit string of m-n bits to the least significant bit side of the input video signal. A smoothed video signal is prepared by performing smoothing processing on this bit-added video signal. The difference between the bit-added video signal and the smoothed video signal is compared with a predetermined threshold value. Either the bit-added video signal or the smoothed video signal is selected according to the comparison result. The selected video signal is output as the bit-extended video signal.

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Patent Owner(s)

Patent Owner	Address
PIONEER CORPORATION	28-8 HONKOMAGOME 2-CHOME BUNKYO-KU TOKYO 113-0021
PIONEER MICRO TECHNOLOGY CORPORATION	465 OSATO-CHO KOFU-SHI YAMANASHI 4000053

International Classification(s)

H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION

2005 Application Filing Year
H04N Class
6314 Applications Filed
3539 Patents Issued To-Date
56.06 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Haraguchi, Toshiaki	Ko fu-shi, JP	2	17
# of filed Patents : 2 Total Citations : 17

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Video signal processor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11196505

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APP PUB NO	20060028541A1
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11196505

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