Image reading apparatus for detecting a shadow region formed by end of conveyed document

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10516798
SERIAL NO

16124091

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An image processing apparatus includes a transparent member, a white reference member, an imaging device, a conveyance member, a light source, and a processor for detecting a dirt substance from the input image. The light source is provided such that a shadow of a leading end or rear end of the document conveyed on the transparent member is formed on the white reference member at the imaging position. The processor detects a shadow region formed by the leading end or rear end of the conveyed document from the input image and detects a dirt substance from within the detected shadow region.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PFU LIMITED98-2 NU UNOKE KAHOKU-SHI ISHIKAWA 929-1192

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanaya, Shingo Kahoku, JP 15 105

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 24, 2027
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 24, 2031
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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