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US4912561A Expired / Lapsed US ⏱️ 0.0 years remaining

Manually scanned copying and printing machine

Assignee: Sharp Corp
•
Filing: 1988-04-19
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Granted: 1990-03-27
•
Expires: 2008-04-19
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Abstract

Abstract A printing machine comprises a platen roller opposed to a thermal head with transfer film therebetween, endless thermo-resist film extended around the platen roller and a transfer roller positioned in the printing block, and a heater provided in the vicinity of the printing block, for heating up the endless thermo-resist film.

Inventors

  • 👤 Iwakazu Honda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 16:10
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/04; H04N1/10; H04N1/107; H04N1/1077; H04N1/0402; H04N1/047; H04N1/1078; H04N1/32; H04N1/32358; H04N1/32443; H04N1/32459; H04N1/32475; H04N1/0461; H04N1/12; H04N1/19; H04N1/191; H04N1/192; H04N1/193; H04N2201/00; H04N2201/024; H04N2201/02406; H04N2201/02439; H04N2201/04; H04N2201/047; H04N2201/04701; H04N2201/0471; H04N2201/04715; H04N2201/04724; H04N2201/04734; H04N2201/04753; H04N2201/04758; H04N2201/04767; H04N2201/04768; H04N2201/04794

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 216 words
A manually scanned printing machine comprising: a housing including a reading block surface and a printing block surface, said reading block surface being located adjacent said printing block surface and further including therein respective first and second openings; image pick up means located in said first opening and including a reading lens thereat; an image transfer roller located in said second opening; image storing means in said housing for storing an image scanned by said image pick up means during a reading operation; thermal head means in said housing for receiving an image from said storing means during a printing operation; a platen roller opposite said thermal head means and including a section of transfer film therebetween; an endless length of thermal-resist film in contact with said transfer film for receiving toner and extending around said platen roller and said image transfer roller for heating up said endless thermal-resist film whereby said image is transferred to a printing medium adjacent said printing block surface due to contact with said image transfer roller; and a set of feed rollers driven by said image transfer roller and an auxiliary roller, located on opposite sides of said platen roller, for translating said transfer film and pressing said transfer film into contact with said platen roller and said thermal-resist film.
Claim 2
Dependent Claim 216 words
A manually scanned printing machine comprising: a housing including a reading block surface and a printing block surface, said reading block surface being located adjacent said printing block surface and further including therein respective first and second openings; image pick up means located in said first opening and including a reading lens thereat; an image transfer roller located in said second opening; image storing means in said housing for storing an image scanned by said image pick up means during a reading operation; thermal head means in said housing for receiving an image from said storing means during a printing operation; a platen roller opposite said thermal head means and including a section of transfer film therebetween; an endless length of thermal-resist film in contact with said transfer film for receiving toner and extending around said platen roller and said image transfer roller for heating up said endless thermal-resist film whereby said image is transferred to a printing medium adjacent said printing block surface due to contact with said image transfer roller; and a set of feed rollers driven by said image transfer roller and an auxiliary roller, located on opposite sides of said platen roller, for translating said transfer film and pressing said transfer film into contact with said platen roller and said thermal-resist film.
Claim 3
Dependent Claim 17 words
The printing machine of claim 1, wherein said thermal head means comprises a flat type thermal head.
Claim 4
Dependent Claim 17 words
The printing machine of claim 1, wherein said endless length of thermal-resist film is comprised of polyimide.
Claim 5
Dependent Claim 20 words
The printing machine of claim 1 and wherein said transfer film comprises a roll of film located in said housing.
Claim 6
Dependent Claim 39 words
The printing machine of claim 1 wherein said housing includes a wall opposite said printing blcok and having a third opening therein for the passage of transfer film therefrom following contact with said platen roller and said thermal-resist film.
Claim 7
Dependent Claim 36 words
The printing machine of claim 1 and further including means for sensing scanning speed during a reading operation for setting a pitch in said image storing means based on scanning speed of the image being read.
Claim 8
Dependent Claim 42 words
The printing machine of claim 6 wherein said means for sensing scanning speed includes a set of scanning rollers located in said first opening and a speed sensor coupled to at least one of said rollers for measuring the rotational speed thereof.
Claim 9
Dependent Claim 33 words
The printing machine of claim 6 and further including means for sensing printing speed during a printing operation for setting a pitch in said thermal head means based on printing speed being sensed.
Claim 10
Dependent Claim 27 words
The printing machine of claim 8, said means for sensing printing speed includes a speed sensor coupled to said transfer roller for measuring the rotational speed thereof.

References Cited (Backward Citations)

US4626925A Cited
US4772954A Cited
JPS61272174A Cited
US4598302A Cited
US4750049A Cited
JPS6241060A Cited
US4740798A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1993-03-26 1993-09-25 1994-03-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-03-26 1997-09-25 1998-03-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-03-26 2001-09-25 2002-03-27 $7700.00 Window Closed / Lapsed

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