EP0360279A2
Expired / Lapsed
EP
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Thermal transfer recording method and apparatus therefor
Assignee: Canon Inc
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Filing: 1989-09-22
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Granted: —
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Expires: 2009-09-22
Abstract
Abstract There is disclosed a thermal transfer recording apparatus utilizing an ink sheet (14) and a recording sheet (11), provided with a thermal head (13), an ink sheet feeding mechanism, and a recording sheet feeding mechanism, in which, after the image recording, the ink sheet is fed at a speed lower than that of the recording sheet, thereby preventing the formation of creases or slack in the ink sheet.
Inventors
- 👤 Yasushi Ishida
- 👤 Akihiro Tomoda
- 👤 Minoru Yokoyama
- 👤 Takashi Awai
- 👤 Satoshi Wada
- 👤 Takehiro Yoshida
- 👤 Hisao Terajima
- 👤 Takeshi Ono
- 👤 Makoto Kobayashi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 20:23
CPC Classifications
B; B41; B41J; B41J17/00; B41J17/02; B41J17/04; B41J17/06
Claims Analysis
Total Claims: 48
Claim 1
Independent Claim
80 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding, after the image recording with said recording means, said ink sheet with a speed lower than that of said recording medium.
Claim 2
Dependent Claim
80 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding, after the image recording with said recording means, said ink sheet with a speed lower than that of said recording medium.
Claim 3
Dependent Claim
80 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and controlling means for feeding, after the image recording with said recording means, said ink sheet with a speed higher than that of said recording medium.
Claim 4
Dependent Claim
80 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and controlling means for feeding, after the image recording with said recording means, said ink sheet with a speed higher than that of said recording medium.
Claim 5
Dependent Claim
39 words
An apparatus according to claim 1 or 2, wherein said ink sheet feed means is adapted, at the image recording with said recording means, to feed said ink sheet with a speed lower than that of said recording medium.
Claim 6
Dependent Claim
35 words
An apparatus according to claim 1 or 2, wherein the image recording on said recording medium is conducted with the length of feeding of said ink sheet equal smaller than that of said recording medium.
Claim 7
Dependent Claim
136 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding, at the image recording with said recording means, said ink sheet with a speed equal to 1/n (n > 1) of that of said recording medium, and, in the forward feeding of said recording medium in the forward direction toward the discharge end with a speed V PF after image recording, feeding said ink sheet with a speed V IF = V PF /n IF , wherein n IF is equal to n during the image recording.
Claim 8
Dependent Claim
136 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding, at the image recording with said recording means, said ink sheet with a speed equal to 1/n (n > 1) of that of said recording medium, and, in the forward feeding of said recording medium in the forward direction toward the discharge end with a speed V PF after image recording, feeding said ink sheet with a speed V IF = V PF /n IF , wherein n IF is equal to n during the image recording.
Claim 9
Dependent Claim
69 words
An apparatus according to claim 5, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB = V PB /n IB wherein V IB is the speed of said ink sheet at the backward feeding, V PB is the speed of said recording medium in said backward feeding, and n IB is equal to n during the image recording.
Claim 10
Dependent Claim
30 words
An apparatus according to claim 5, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB ≧ V PB .
Claim 11
Dependent Claim
64 words
An apparatus according to claim 5, wherein said control means is adapted, in the backward feeding of said recording medium, to feed said ink sheet k times each by the nip amount Δℓ of the platen roller, wherein k is a natural number and Δℓ is sufficiently smaller than the length of the recording medium, and to maintain said ink sheet in other times.
Claim 12
Dependent Claim
43 words
An apparatus according to claim 5, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB = V PB /n IB , wherein n IB is larger than n during the image recording.
Claim 13
Dependent Claim
138 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; and recording medium feed means for feeding said recording medium; wherein said ink sheet is fed, at the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, and is fed, at the feeding of said recording medium with a speed V PF toward the discharge end after the image recording, with a speed V IF = V PF /n IF (n IF being larger than n during the image recording), in a direction opposite to the direction toward the discharge end.
Claim 14
Dependent Claim
138 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; and recording medium feed means for feeding said recording medium; wherein said ink sheet is fed, at the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, and is fed, at the feeding of said recording medium with a speed V PF toward the discharge end after the image recording, with a speed V IF = V PF /n IF (n IF being larger than n during the image recording), in a direction opposite to the direction toward the discharge end.
Claim 15
Dependent Claim
66 words
An apparatus according to claim 10, wherein, in the backward feeding of said recording medium, there is maintained a condition V IB = V PB /n IB in which V IB is the speed of said ink sheet in the backward feeding, V PB is the speed of said recording medium in the backward feeding, and n IB is equal to n during the image recording.
Claim 16
Dependent Claim
26 words
An apparatus according to claim 10, wherein, at the backward feeding of said recording medium, there is maintained a condition V IB ≧ V PB .
Claim 17
Dependent Claim
62 words
An apparatus according to claim 10, wherein, at the backward feeding of said recording medium, the ink sheet is fed k times each by the nip amount Δℓ of the platen roller, wherein k is a natural number and Δℓ is assumed to be sufficiently smaller than the length of the recording medium, and the ink sheet is stopped in other times.
Claim 18
Dependent Claim
38 words
An apparatus according to claim 10, wherein, at the backward feeding of said recording medium, there is maintained a condition V IB = V PB /n IB wherein n IB is larger than n during the image recording.
Claim 19
Dependent Claim
146 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, at the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, also feeding said ink sheet, when said recording medium is fed after image recording so as to bring the rear end of image area of said recording medium to the cutter position, in k times each by the nip amount Δℓ in a direction opposite to that of feeding of said recording medium, but stopping said ink sheet in other times.
Claim 20
Dependent Claim
146 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, at the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, also feeding said ink sheet, when said recording medium is fed after image recording so as to bring the rear end of image area of said recording medium to the cutter position, in k times each by the nip amount Δℓ in a direction opposite to that of feeding of said recording medium, but stopping said ink sheet in other times.
Claim 21
Dependent Claim
69 words
An apparatus according to claim 15, wherein said control means is adapted, at the backward feeding of said recording medium, to maintain a condition V IB = V PB /n IB wherein V IB is the speed of said ink sheet in the backward feeding, V PB is the speed of said recording medium in the backward feeding, and n IB is equal to n during the image recording.
Claim 22
Dependent Claim
30 words
An apparatus according to claim 15, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB ≧ V PB .
Claim 23
Dependent Claim
63 words
An apparatus according to claim 15, wherein said control means is adapted, in the backward feeding of said recording medium, to feed said ink sheet k times each by the nip amount Δℓ of the platen roller wherein k is a natural number and is sufficiently smaller than the length of the recording medium, and to stop said ink sheet in other times.
Claim 24
Dependent Claim
43 words
An apparatus according to claim 15, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB = V PB /n IB , wherein n IB is larger than n during the image recording.
Claim 25
Dependent Claim
170 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; cutter means for cutting said recording medium; and control means for feeding said ink sheet, in the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, then, in the feeding of said recording medium with a speed V PF toward said cutter after image recording, feeding said ink sheet by a length ℓ with a speed V IF = V PF in the same direction as that of feeding of said recording medium, and, in the backward feeding of said recording medium after cutting thereof with said cutter, reversing said ink sheet with a speed V IB ≧ V PB (= V IF ).
Claim 26
Dependent Claim
170 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; cutter means for cutting said recording medium; and control means for feeding said ink sheet, in the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, then, in the feeding of said recording medium with a speed V PF toward said cutter after image recording, feeding said ink sheet by a length ℓ with a speed V IF = V PF in the same direction as that of feeding of said recording medium, and, in the backward feeding of said recording medium after cutting thereof with said cutter, reversing said ink sheet with a speed V IB ≧ V PB (= V IF ).
Claim 27
Dependent Claim
142 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet for recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, in the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said ink sheet, and feeding said ink sheet, at the feeding of said recording medium with a speed V PF toward the discharge end after the image recording, with a speed V IF = V PF /n IF (n IF being equal to n during the image recording) in the same direction as that of movement of said recording medium.
Claim 28
Dependent Claim
142 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet for recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, in the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said ink sheet, and feeding said ink sheet, at the feeding of said recording medium with a speed V PF toward the discharge end after the image recording, with a speed V IF = V PF /n IF (n IF being equal to n during the image recording) in the same direction as that of movement of said recording medium.
Claim 29
Dependent Claim
70 words
An apparatus according to claim 21, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB = V PB /n IB , wherein V IB is the speed of said ink sheet at the backward feeding, V PB is the speed of said recording medium at said backward feeding, and n IB is equal to n during the image recording.
Claim 30
Dependent Claim
30 words
An apparatus according to claim 21, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB ≧ V PB .
Claim 31
Dependent Claim
125 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, at the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, and, after the image recording, feeding said ink sheet k times each by the nip amount Δℓ of the platen roller in the same direction as that of feeding said recording medium, but stopping said ink sheet in other times.
Claim 32
Dependent Claim
125 words
A thermal transfer recording apparatus for image recording by transferring ink of an ink sheet to a recording medium, comprising: recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, at the image recording with said recording means, with a speed equal to 1/n (n > 1) of that of said recording medium, and, after the image recording, feeding said ink sheet k times each by the nip amount Δℓ of the platen roller in the same direction as that of feeding said recording medium, but stopping said ink sheet in other times.
Claim 33
Dependent Claim
70 words
An apparatus according to claim 24, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB = V PB /n IB , wherein V IB is the speed of said ink sheet in the backward feeding, V PB is the speed of the recording medium in the backward feeding, and n IB is equal to n during the image recording.
Claim 34
Dependent Claim
30 words
An apparatus according to claim 24, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB ≧ V PB .
Claim 35
Dependent Claim
63 words
An apparatus according to claim 24, wherein said control means is adapted, in the backward feeding of said recording medium, to feed said ink sheet k times each by the nip amount Δℓ of the platen roller, wherein k is a natural number and Δℓ is sufficiently smaller than the length of the recording medium, and stopping said ink sheet in other times.
Claim 36
Dependent Claim
43 words
An apparatus according to claim 24, wherein said control means is adapted, in the backward feeding of said recording medium, to maintain a condition V IB = V PB /n IB , wherein n IB is larger than n during the image recording.
Claim 37
Dependent Claim
23 words
An apparatus according to claim 1, 2, 5, 10, 15, 20, 21 or 24, wherein the ink of said ink sheet is thermofusible.
Claim 38
Dependent Claim
23 words
An apparatus according to claim 1, 2, 5, 10, 15, 20, 21 or 24, wherein the ink of said ink sheet is thermosublimable.
Claim 39
Dependent Claim
25 words
An apparatus according to claim 1, 2, 5, 10, 15, 21 or 24, further comprising cutter means for cutting said recording medium after image recording.
Claim 40
Dependent Claim
48 words
A thermal transfer recording method for image recording on a recording medium by transferring ink of an ink sheet to said recording medium; wherein said ink sheet is fed, after the image recording on said recording medium, with a speed lower than the speed of said recording medium.
Claim 41
Dependent Claim
48 words
A thermal transfer recording method for image recording on a recording medium by transferring ink of an ink sheet to said recording medium; wherein said ink sheet is fed, after the image recording on said recording medium, with a speed lower than the speed of said recording medium.
Claim 42
Dependent Claim
48 words
A thermal transfer recording method for image recording on a recording medium by transferring ink of an ink sheet to said recording medium; wherein said ink sheet is fed, after the image recording on said recording medium with a speed higher than the speed of said recording medium.
Claim 43
Dependent Claim
48 words
A thermal transfer recording method for image recording on a recording medium by transferring ink of an ink sheet to said recording medium; wherein said ink sheet is fed, after the image recording on said recording medium with a speed higher than the speed of said recording medium.
Claim 44
Dependent Claim
92 words
A facsimile apparatus capable of image recording by transferring ink of an ink sheet to a recording medium, comprising: reader means for reading an original image; means for transmitting or receiving information; recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, after image recording with said recording means, with a speed lower than the speed of said recording medium.
Claim 45
Dependent Claim
92 words
A facsimile apparatus capable of image recording by transferring ink of an ink sheet to a recording medium, comprising: reader means for reading an original image; means for transmitting or receiving information; recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, after image recording with said recording means, with a speed lower than the speed of said recording medium.
Claim 46
Dependent Claim
92 words
A facsimile apparatus capable of image recording by transferring ink of an ink sheet to a recording medium, comprising: reader means for reading an original image; means for transmitting or receiving information; recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, after image recording with said recording means, with a speed higher than the speed of said recording medium.
Claim 47
Dependent Claim
92 words
A facsimile apparatus capable of image recording by transferring ink of an ink sheet to a recording medium, comprising: reader means for reading an original image; means for transmitting or receiving information; recording means for acting on said ink sheet thereby recording an image on said recording medium; ink sheet feed means for feeding said ink sheet; recording medium feed means for feeding said recording medium; and control means for feeding said ink sheet, after image recording with said recording means, with a speed higher than the speed of said recording medium.
Claim 48
Dependent Claim
28 words
A method or an apparatus according to claim 32, 33, 34 or 35, wherein the speed of said ink sheet does not exceed that of said recording medium.
References Cited (Backward Citations)
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