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US5023626A Expired / Lapsed US ⏱️ 0.0 years remaining

Printer capable of temperature compensation of the optical density of a printed image after a complete image is printed

Assignee: Canon Inc
•
Filing: 1988-07-29
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Granted: 1991-06-11
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Expires: 2008-07-29
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Abstract

Abstract A printer for recording an image on a recording medium comprises a recording head for recording an image on a recording medium, a thermocouple for detecting a temperature, a control circuit for controlling the recording head in accordance with a detection result of the thermocouple, recognizing circuit for a recognizing an end of an image and an operating circuit for operating the control circuit in accordance with the end recognition of the recognizing circuit.

Inventors

  • 👤 Hideaki Kawamura

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:00
CPC Classifications
B; B41; B41J; B41J29/00

Claims Analysis

Total Claims: 45
Claim 1
Independent Claim 126 words
A printer for recording plural images on a recording medium, comprising: recording means for recording at least one of said plural images on said recording medium; temperature detecting means for detecting a temperature; control means for controlling energy to be applied to said recording means in accordance with a detection result of said temperature detecting means; memory means for storing a plurality of predetermined commands for the printer, each command indicating that a boundary of said at least one image has been reached; recognizing means for recognizing the boundary of said image in response to each and every one of the plurality of predetermined commands; and operating means for operating said control means in accordance with the boundary of said image recognized by said recognizing means.
Claim 2
Dependent Claim 126 words
A printer for recording plural images on a recording medium, comprising: recording means for recording at least one of said plural images on said recording medium; temperature detecting means for detecting a temperature; control means for controlling energy to be applied to said recording means in accordance with a detection result of said temperature detecting means; memory means for storing a plurality of predetermined commands for the printer, each command indicating that a boundary of said at least one image has been reached; recognizing means for recognizing the boundary of said image in response to each and every one of the plurality of predetermined commands; and operating means for operating said control means in accordance with the boundary of said image recognized by said recognizing means.
Claim 3
Dependent Claim 17 words
A printer according to claim 1, wherein said temperature detecting means is provided in said recording means.
Claim 4
Dependent Claim 19 words
A printer according to claim 1, wherein a detection temperature of said temperature detecting means is an environmental temperature.
Claim 5
Dependent Claim 22 words
A printer according to claim 1, wherein said detection temperature of said temperature detecting means is a temperature of said recording means.
Claim 6
Dependent Claim 28 words
A printer according to claim 1, wherein said recording means includes an ink jet head for ejecting an ink liquid to record said image on said recording medium.
Claim 7
Dependent Claim 35 words
A printer according to claim 1, wherein said recording means includes a thermal head in which a plurality of heat-generating elements are selectively operated to generate heat to record said image on said recording medium.
Claim 8
Dependent Claim 17 words
A printer according to claim 1, wherein said control means includes a plurality of temperature compensation tables.
Claim 9
Dependent Claim 21 words
A printer according to claim 1, wherein a boundary of said image is recognized when a print start command is sent.
Claim 10
Dependent Claim 21 words
A printer according to claim 1, wherein a boundary of said image is recognized when a page change code is sent.
Claim 11
Dependent Claim 25 words
A printer according to claim 1, wherein a boundary of said image is recognized when a line feed code is continuously supplied twice or more.
Claim 12
Dependent Claim 33 words
A printer according to claim 1, wherein a boundary of said image is recognized when a print start position is changed in said printer in which the print start position can be changed.
Claim 13
Dependent Claim 31 words
A printer according to claim 1, wherein a boundary of said image is recognized when a print size is changed in a printer in which the paint size can be changed.
Claim 14
Dependent Claim 29 words
A printer according to claim 1, wherein a boundary of said image is recognized when enlargement magnifying power is changed in said printer having an enlarged scale print function.
Claim 15
Dependent Claim 38 words
A printer according to claim 1, wherein a boundary of said image is recognized when a harmonization correction curve with respect to input data is changed in a printer in which the harmonization correction curve can be changed.
Claim 16
Dependent Claim 22 words
A printer according to claim 1, wherein said recording means records said image on the recording medium using a plurality of colors.
Claim 17
Dependent Claim 114 words
A continuous paper printer which operates in accordance with a command from an external equipment to record plural images, comprising: temperature detecting means for detecting a temperature; adjusting means for adjusting a print density in accordance with a detection output from said temperature detecting means; memory means for storing a plurality of predetermined commands for the printer, each command indicating that a boundary of a single image of said plural images has been reached; recognizing means for recognizing the boundary of said image in response to each and every one of the plurality of predetermined commands; and control means for operating said adjusting means in accordance with an output from said recognizing means. PG,21
Claim 18
Dependent Claim 114 words
A continuous paper printer which operates in accordance with a command from an external equipment to record plural images, comprising: temperature detecting means for detecting a temperature; adjusting means for adjusting a print density in accordance with a detection output from said temperature detecting means; memory means for storing a plurality of predetermined commands for the printer, each command indicating that a boundary of a single image of said plural images has been reached; recognizing means for recognizing the boundary of said image in response to each and every one of the plurality of predetermined commands; and control means for operating said adjusting means in accordance with an output from said recognizing means. PG,21
Claim 19
Dependent Claim 19 words
A printer according to claim 16, wherein a detection temperature of said temperature detecting means is an environment temperature.
Claim 20
Dependent Claim 22 words
A printer according to claim 16, wherein said detection temperature of said temperature detecting means is a temperature of said recording means.
Claim 21
Dependent Claim 17 words
A printer according to claim 16, wherein said adjusting means includes a plurality of temperature compensation tables.
Claim 22
Dependent Claim 21 words
A printer according to claim 16, wherein a boundary of said image is recognized when a print start command is sent.
Claim 23
Dependent Claim 21 words
A printer according to claim 16, wherein a boundary of said image is recognized when a page change code is sent.
Claim 24
Dependent Claim 25 words
A printer according to claim 16, wherein a boundary of said image is recognized when a line feed code is continuously supplied twice or more.
Claim 25
Dependent Claim 33 words
A printer according to claim 16, wherein a boundary of said image is recognized when a print start position is changed in said printer in which the print start position can be changed.
Claim 26
Dependent Claim 31 words
A printer according to claim 16, wherein a boundary of said image is recognized when a print size is changed in said printer in which the print size can be changed.
Claim 27
Dependent Claim 29 words
A printer according to claim 16, wherein a boundary of said image is recognized when enlargement magnifying power is changed in said printer having an enlarged scale print function.
Claim 28
Dependent Claim 38 words
A printer according to claim 16, wherein a boundary of said image is recognized when a harmonization correction curve with respect to input data is changed in said printer in which the harmonization correction curve can be changed.
Claim 29
Dependent Claim 13 words
A printer according to claim 16, wherein said printer is a color printer.
Claim 30
Dependent Claim 116 words
A printer for recording plural images on a recording medium, comprising: recording means for recording at least one of said plural images on a recording medium; temperature detecting means for detecting a temperature; memory means for storing a plurality of predetermined commands for the printer, each command indicating that a boundary of a single image of said plural images has been reached; recognizing means for recognizing the boundary of said image in response to each and every one of the plurality of predetermined commands; and control means for controlling energy to be applied to said recording means in accordance with a detection result of said temperature detecting means and a recognition result of said recognizing means.
Claim 31
Dependent Claim 116 words
A printer for recording plural images on a recording medium, comprising: recording means for recording at least one of said plural images on a recording medium; temperature detecting means for detecting a temperature; memory means for storing a plurality of predetermined commands for the printer, each command indicating that a boundary of a single image of said plural images has been reached; recognizing means for recognizing the boundary of said image in response to each and every one of the plurality of predetermined commands; and control means for controlling energy to be applied to said recording means in accordance with a detection result of said temperature detecting means and a recognition result of said recognizing means.
Claim 32
Dependent Claim 17 words
A printer according to claim 28, wherein said temperature detecting means is provided in said recording means.
Claim 33
Dependent Claim 19 words
A printer according to claim 28, wherein a detection temperature of said temperature detecting means is an environment temperature.
Claim 34
Dependent Claim 22 words
A printer according to claim 28, wherein said detection temperature of said temperature detecting means is a temperature of said recording means.
Claim 35
Dependent Claim 28 words
A printer according to claim 28, wherein said recording means includes an ink jet head for ejecting an ink liquid to record said image on said recording medium.
Claim 36
Dependent Claim 35 words
A printer according to claim 28, wherein said recording means includes a thermal head in which a plurality of heat-generating elements are selectively operated to generate heat to record said image on said recording medium.
Claim 37
Dependent Claim 17 words
A printer according to claim 28, wherein said control means includes a plurality of temperature compensation tables.
Claim 38
Dependent Claim 21 words
A printer according to claim 28, wherein a boundary of said image is recognized when a print start command is sent.
Claim 39
Dependent Claim 21 words
A printer according to claim 28, wherein a boundary of said image is recognized when a page change code is sent.
Claim 40
Dependent Claim 25 words
A printer according to claim 28, wherein the boundary of an image is recognized when a line feed code is continuously supplied twice or more.
Claim 41
Dependent Claim 33 words
A printer according to claim 28, wherein a boundary of said image is recognized when a print start position is changed in said printer in which the print start position can be changed.
Claim 42
Dependent Claim 31 words
A printer according to claim 28, wherein a boundary of said image is recognized when a print size is changed in said printer in which the print size can be changed.
Claim 43
Dependent Claim 29 words
A printer according to claim 28, wherein a boundary of said image is recognized when enlargement magnifying power is changed said a printer having an enlarged scale print function.
Claim 44
Dependent Claim 38 words
A printer according to claim 28, wherein a boundary of said image is recognized when a harmonization correction curve with respect to input data is changed in said printer in which the harmonization correction curve can be changed.
Claim 45
Dependent Claim 22 words
A printer according to claim 28, wherein said recording means records said image on the recording medium using a plurality of colors.

References Cited (Backward Citations)

US4479132A Cited
US4591876A Cited
JPS61173961A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-06-10 1994-12-10 1995-06-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-06-10 1998-12-10 1999-06-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-06-10 2002-12-10 2003-06-11 $7700.00 Window Closed / Lapsed

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