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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
GOLDSTAR CO LTD	SEOUL SOUTH KOREA SEOUL

International Classification(s)

• H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Park, Jong Seok	Kwangmyung, KR	46	113
# of filed Patents : 46 Total Citations : 113

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Patent Citation Ranking

• 23 Citation Count
• H04N Class

• 72.79 % this patent is cited more than
• 28 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 5675424

Image decoder for image compression/expansion system

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Abstract

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An image decoder for an image compression/expansion system of HDTV or MPEG standard having an image motion compensation process, in which transform coding of video signal is parallel-processed in the unit of a predetermined image block with a reduced-speed clock, and at the same time, motion compensation is processed in the unit of overall picture with an original high speed clock. According to the present invention, motion compensation errors generated in contour portions of respective parallel-processed subpictures can be prevented and accordingly, picture quality can be improved and also hardware construction can be simplified.

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Description

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Claims

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Legal Events

 

• FPAY2009
• FPAY2005
• FPAY2001
• SULP2001
• REMI2001
• I1997
• STCF1997
• F1995
• PD1992

Date	Code	Event	Description
Mar 11, 2009	FPAY	FEE PAYMENT	year of fee payment: 12
Mar 09, 2005	FPAY	FEE PAYMENT	year of fee payment: 8
May 31, 2001	FPAY	FEE PAYMENT	year of fee payment: 4
May 31, 2001	SULP	SURCHARGE FOR LATE PAYMENT
May 01, 2001	REMI	MAINTENANCE FEE REMINDER MAILED
Oct 07, 1997	I	Issuance
Sep 26, 1997	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Feb 08, 1995	F	Filing
May 19, 1992	PD	Priority Date