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US5282081A Expired / Lapsed US ⏱️ 0.0 years remaining

Dual reflecting type and transmitting type scanner

Assignee: Mustek Systems Inc
•
Filing: 1992-08-19
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Granted: 1994-01-25
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Expires: 2012-08-19
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Abstract

Abstract A reflection-transparence scanner comprises a reflection type scanner and a scanner converter which converts reflection type scanner as transparence type scanner, the scanner converter comprises: a casing, having a flat upper surface equipped with a scanning window; a light source, fixed to the casing; a power supply, to provide the electricity to the light source; and a light transmitter, fixed to the scanning window of the casing, and used to evenly distribute over a plane the light emitted by the light source.

Inventors

  • 👤 Eric Chen
  • 👤 Alan Liu
  • 👤 Chih-Hong Hsu

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:45
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/024; H04N1/028; H04N1/02815; H04N1/02845; H04N1/02855; H04N1/0287; H04N1/04; H04N1/10; H04N1/19; H04N1/191; H04N1/192; H04N1/193; H04N2201/00; H04N2201/04; H04N2201/0402; H04N2201/0418

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 200 words
A reflection-transpanence scanner, comprising: a first casing; a lamp, fixed to said first casing; a scanning window, provided on said first casing at an opposite position to said lamp; a reflecting mirror, fixed to said first casing at a first reflecting position relative to said scanning window; a lens, fixed to said first casing at a second reflecting position relative to said reflecting mirror; an image sensor, fixed to said first casing at a rear position of a light path formed by said lamp to receive light beams passing through said lens; a scanner light supply means, comprising: a second casing, having a flat upper surface installed with a light emitting window opposite said scanning window; a light source, fixed to said second casing at an opposite position relative to said light emitting window; a power supply, to provide the electricity required by said light source; a light transmitter, fixed to said light emitting window of said second casing, and used to evenly distribute over a plane the light emitted by said light source; and a media fixing means, fixed to said light emitting window and used to fix a recording media to be scanned at a relatively fixed position.
Claim 2
Dependent Claim 200 words
A reflection-transpanence scanner, comprising: a first casing; a lamp, fixed to said first casing; a scanning window, provided on said first casing at an opposite position to said lamp; a reflecting mirror, fixed to said first casing at a first reflecting position relative to said scanning window; a lens, fixed to said first casing at a second reflecting position relative to said reflecting mirror; an image sensor, fixed to said first casing at a rear position of a light path formed by said lamp to receive light beams passing through said lens; a scanner light supply means, comprising: a second casing, having a flat upper surface installed with a light emitting window opposite said scanning window; a light source, fixed to said second casing at an opposite position relative to said light emitting window; a power supply, to provide the electricity required by said light source; a light transmitter, fixed to said light emitting window of said second casing, and used to evenly distribute over a plane the light emitted by said light source; and a media fixing means, fixed to said light emitting window and used to fix a recording media to be scanned at a relatively fixed position.

References Cited (Backward Citations)

US4349843A Cited
US4873579A Cited
US5038227A Cited
US4930848A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-01-24 1997-07-26 1998-01-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-01-24 2001-07-26 2002-01-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-01-24 2005-07-26 2006-01-25 $7700.00 Window Closed / Lapsed

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