Claims
- 1. An ink jet recording apparatus for recording an image by using a recording head to emit an ink by a heat generation of an electrothermal transducer, said apparatus performing recording onto a recording medium by relatively scanning said recording head and the recording medium, said apparatus comprising:driving means for driving said recording head in a recording mode selected from a plurality of recording modes, said recording modes including a first recording mode, for performing normal recording on a sheet of the recording medium and a second recording mode, for recording different portions of a single image onto a plurality of sheets, respectively, of the recording medium; supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink; selecting means for selecting conditions for supplying said non-ejection heating signal by said supplying means depending upon the recording mode; and control means for controlling said supplying means in accordance with the conditions selected by said selecting means depending upon the recording mode so that said supplying means is driven to reduce a difference between a head temperature at a start of a scan and the head temperature at an end of the scan when the second recording mode is selected.
- 2. An apparatus according to claim 1, wherein said second recording mode is a mode for combining a plurality of output images to form a final output image, and said selecting means selects said conditions in accordance with whether said second recording mode is executed.
- 3. An apparatus according to claim 1, wherein said control means allows said supplying means to supply said non-ejection heating signal when the image recording is not executed.
- 4. An apparatus according to claim 1, wherein said supplying means further comprises means for supplying an ejection signal to said electrothermal transducer so as to eject the ink, and a signal width of said non-ejection heating signal is shorter and a frequency thereof is higher than a width and a frequency of the ejection signal.
- 5. An apparatus according to claim 1, further comprising scanning means for scanning said recording head.
- 6. An apparatus according to claim 5, wherein said control means allows said supplying means to supply said non-ejection heating signal for a period of time during which said recording head is returned by said scanning means.
- 7. An apparatus according to claim 1, wherein said recording head ejects inks of a plurality of colors.
- 8. An apparatus according to claim 1, further comprising conveying means for conveying a recording medium that is recorded by said recording head.
- 9. A copying machine, comprising:copying means for copying; and an ink jet recording apparatus for recording an image by using a recording head to emit an ink by a heat generation of an electrothermal transducer, said apparatus performing recording onto a recording medium by relatively scanning said recording head and the recording medium, said apparatus comprising driving means for driving said recording head in a recording mode selected from a plurality of recording modes, said recording modes including a first recording mode, for performing normal recording on a sheet of the recording medium and a second recording mode, for recording different portions of a single image onto a plurality of sheets, respectively, of the recording medium, supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink, selecting means for selecting conditions for supplying said non-ejection heating signal by said supplying means depending upon the recording mode, and control means for controlling said supplying means in accordance with the conditions selected by said selecting means depending upon the recording mode so that said supplying means is driven to reduce a difference between a head temperature at a start of a scan and the head temperature at an end of the scan when the second recording mode is selected.
- 10. A facsimile apparatus, comprising:facsimile means for performing facsimile operations; and an ink jet recording apparatus for recording an image by using a recording head to emit an ink by a heat generation of an electrothermal transducer, said ink jet recording apparatus performing recording onto a recording medium by relatively scanning said recording head and the recording medium, said ink jet recording apparatus comprising driving means for driving said recording head in a recording mode selected from a plurality of recording modes, said recording modes including a first recording mode, for performing normal recording on a sheet of the recording medium and a second recording mode, for recording different portions of a single image onto a plurality of sheets, respectively, of the recording medium, supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink, selecting means for selecting conditions for supplying said non-ejection heating signal by said supplying means depending upon the recording mode, and control means for controlling said supplying means in accordance with the conditions selected by said selecting means depending upon the recording mode so that said supplying means is driven to reduce a difference between a head temperature at a start of a scan and the head temperature at an end of the scan when the second recording mode is selected.
- 11. A terminal of a computer, comprising:means for performing computer operations; and an ink jet recording apparatus for recording an image by using a recording head to emit an ink by a heat generation of an electrothermal transducer, said apparatus performing recording onto a recording medium by relatively scanning said recording head and the recording medium, said apparatus comprising driving means for driving said recording head in a recording mode selected from a plurality of recording modes, said recording modes including a first recording mode, for performing normal recording on a sheet of the recording medium and a second recording mode, for recording different portions of a single image onto a plurality of sheets, respectively, of the recording medium, supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink, selecting means for selecting conditions for supplying said non-ejection heating signal by said supplying means depending upon the recording mode, and control means for controlling said supplying means in accordance with the conditions selected by said selecting means depending upon the recording mode so that said supplying means is driven to reduce a difference between a head temperature at a start of a scan and the head temperature at an end of the scan when the second recording mode is selected.
- 12. An ink jet recording apparatus, which when recording cooperates with an image means for supplying a signal to eject an ink so as to record a record image, in which said ink jet recording apparatus a recording head that is constructed by arranging in an arranging direction a plurality of ejecting portions each for ejecting the ink by a heat generation of an electrothermal transducer is repetitively scanned in a direction different from the arranging direction of the ejecting portions, thereby recording the record image having a boundary portion caused by the scanning, comprising:supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink; selecting means for selecting conditions for supplying said non-ejection heating signal supplied from said supplying means; correcting means for correcting by a correction amount an amount of ink that is ejected to the boundary portion of the record image formed onto the recording medium by the scan; and control means for controlling said correcting means in the scanning, according to the conditions for supplying the non-ejection heating signal selected by said selecting means, the control means thereby controlling the correction amount so that a particular amount of ink is applied.
- 13. An apparatus according to claim 12, wherein said control means allows said supplying means to supply said non-ejection heating signal when the image recording is not executed.
- 14. An apparatus according to claim 12, wherein said control means allows said supplying means to supply said non-ejection heating signal to an ejecting portion which does not eject the ink when the image is recorded.
- 15. An apparatus according to claim 12, wherein said control means allows said supplying means to supply said non-ejection heating signal for a period of time during which said recording head is returned.
- 16. An apparatus according to claim 12, wherein said recording head ejects inks of a plurality of colors.
- 17. An apparatus according to claim 12, further comprising conveying means for conveying a recording medium that is recorded by said recording head.
- 18. An apparatus according to claim 12, wherein said boundary portion is a portion including a record ending position at the end of a main scan and a record starting position at the start of a main scan.
- 19. An apparatus according to claim 12, further comprising recording mode means for recording in a recording mode by combining a plurality of output images to form a final output image, and said selecting means selects the conditions for supplying the non-ejection heating signal in accordance with whether the recording mode is executed.
- 20. A copying machine, comprising:copying means for copying; and an ink jet recording apparatus, which when recording cooperates with an image means for supplying a signal to eject an ink so as to record a record image, in which said ink jet recording apparatus a recording head that is constructed by arranging in an arranging direction a plurality of ejecting portions each for ejecting the ink by a heat generation of an electrothermal transducer is repetitively scanned in a direction different from the arranging direction of the ejecting portions, thereby recording the record image having a boundary portion caused by the scanning, said apparatus comprising supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink, selecting means for selecting conditions for supplying said non-ejection heating signal supplied from said supplying means, correcting means for correcting by a correction amount an amount of ink that is ejected to the boundary portion of the record image formed onto the recording medium by the scan, and control means for controlling said correcting means in the scan, according to the conditions for supplying the non-ejection heating signal selected by said selecting means, the control means thereby controlling the correction amount so that a particular amount of ink is applied.
- 21. A facsimile apparatus, comprising:facsimile means for performing facsimile operations; and an ink jet recording apparatus, which when recording cooperates with an image means for supplying a signal to eject an ink so as to record a record image, in which said ink jet recording apparatus a recording head that is constructed by arranging in an arranging direction a plurality of ejecting portions each for ejecting the ink by a heat generation of an electrothermal transducer is repetitively scanned in a direction different from the arranging direction of the ejecting portions, thereby recording the record image having a boundary portion caused by the scanning, said ink jet recording apparatus comprising supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink, selecting means for selecting conditions for supplying said non-ejection heating signal supplied from said supplying means, correcting means for correcting by a correction amount an amount of ink that is ejected to the boundary portion of the record image formed onto the recording medium by the scan, and control means for controlling said correcting means in the scan, according to the conditions for supplying the non-ejection heating signal selected by said selecting means, the control means thereby controlling the correction amount so that a particular amount of ink is applied.
- 22. A terminal of a computer, comprising:means for performing computer operations; and an ink jet recording apparatus, which when recording cooperates with an image means for supplying a signal to eject an ink so as to record a record image, in which said ink jet recording apparatus a recording head that is constructed by arranging in an arranging direction a plurality of ejecting portions each for ejecting the ink by a heat generation of an electrothermal transducer is repetitively scanned in a direction different from the arranging direction of the ejecting portions, thereby recording the record image having a boundary portion caused by the scanning, said apparatus comprising supplying means for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink, selecting means for selecting conditions for supplying said non-ejection heating signal supplied from said supplying means, correcting means for correcting by a correction amount an amount of ink that is ejected to the boundary portion of the record image formed onto the recording medium by the scan, and control means for controlling said correcting means in the scan, according to the conditions for supplying the non-ejection heating signal selected by said selecting means, the control means thereby controlling the correction amount so that a particular amount of ink is applied.
- 23. An ink jet recording method of recording an image by using a recording head to emit an ink by a heat generation of an electrothermal transducer to record onto a recording medium by relatively scanning the recording head and the recording medium, said method comprising:a step of selecting a one of a plurality of recording modes, the recording modes including a first recording mode, for performing normal recording on a sheet of the recording medium and a second recording mode, for recording different portions of a single image onto a plurality of sheets, respectively, of the recording medium; a setting step of setting conditions for supplying a non-ejection heating signal to the electrothermal transducer so as not to eject the ink depending upon the recording mode selected in said selecting step; a non-ejection heating signal supplying step of supplying the non-ejection heating signal to the electrothermal transducer in accordance with the conditions set in said setting step to reduce a difference between a head temperature at a start of a scan and the head temperature at an end of the scan when the image recording is not executed; and an ejecting signal supplying step of supplying an ejecting signal to the electrothermal transducer so as to eject the ink when the image is recorded, said ejecting signal supplying step following said non-ejection heating signal supplying step.
- 24. A method according to claim 23, wherein said second recording mode is a mode for combining a plurality of output images to form a final output image, and in said setting step, said conditions are set in accordance with whether said second recording mode is executed.
- 25. An ink jet recording method wherein a recording apparatus cooperates with an image means for supplying a signal to eject an ink so as to record a record image and a recording head that is constructed by arranging in an arranging direction a plurality of ejecting portions each for ejecting an ink by a heat generation of an electrothermal transducer is repetitively scanned in a direction different from the arranging direction of said ejecting portions, thereby recording a record image caused by the scanning, comprising:a setting step of setting conditions for supplying a non-ejection heating signal to said electrothermal transducer so as not to eject the ink; a correcting step of correcting an ejection amount of ink to be ejected to a boundary portion of the image to be formed onto the recording medium by said scanning based on a correction amount selected according to said conditions for supplying the non-ejection heating signal set in said setting step; a non-ejection heating signal supplying step of supplying said non-ejection heating signal to said electrothermal transducer in accordance with said conditions set in said setting step; and an ejecting signal supplying step of supplying an ejecting signal to the electrothermal transducer to eject the ink when the image is recorded, said ejecting signal supplying step following said non-ejection heating signal supplying step.
- 26. A method according to claim 25, wherein in said non-ejection heating signal supplying step, said non-ejection heating signal is supplied to said electrothermal transducer when the image recording is not executed.
- 27. A method according to claim 25, wherein in said non-ejection heating signal supplying step, said non-ejection heating signal is supplied to said electrothermal transducer for an ejecting portion which ejects no ink when the image is recorded.
- 28. An method according to claim 25, further comprising a step of recording in a recording mode by combining a plurality of output images to form a final output image, and in said setting step, the conditions are set in accordance with whether the recording mode is executed.
- 29. A recording apparatus for recording an image on a recording medium by scanning a recording head, comprising:driving means for performing recording in a recording mode selected from a plurality of recording modes, said recording modes including a first mode for performing recording such that a portion of an image recorded at an end of scanning and a portion of an image recorded at a beginning of scanning may be recorded as portions of a continuous image, and a second mode for performing recording such that a portion of an image recorded at an end of scanning and a portion of an image recorded at a beginning of scanning may be recorded as portions of a non-continuous image; and control means for performing control for adjustment of a temperature of the recording head to reduce a difference between the temperature at a start of a scan and the temperature at an end of the scan when the first recording mode is selected.
Priority Claims (1)
Number |
Date |
Country |
Kind |
5-238020 |
Sep 1993 |
JP |
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Parent Case Info
This application is a continuation of application Ser. No. 08/311,494, filed Sep. 23, 1994, now abandoned.
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Continuations (1)
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Number |
Date |
Country |
Parent |
08/311494 |
Sep 1994 |
US |
Child |
08/861003 |
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US |