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US4614950A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording apparatus capable of precisely positioning a recording sheet

Assignee: Canon Inc
•
Filing: 1984-09-24
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Granted: 1986-09-30
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Expires: 2004-09-24
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Abstract

Abstract A heat transfer recording apparatus comprises rotatable means for winding a recording sheet thereon, a transfer sheet having a layer of heat transfer material, guide means for winding the transfer sheet on the outer peripheral surface of the rotatable means with tension and guiding the recording sheet so that it is held by and between the rotatable means and the transfer sheet, means for applying heat to the transfer sheet wound on the rotatable means on the basis of recording information and effecting transfer recording on the recording sheet, and drive means for rotating the rotatable means in forward direction to cause recording to be effected by the recording means and rotating the rotatable means in reverse direction to discharge the recorded recording sheet.

Inventors

  • 👤 Yoshio Ito

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:29
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/10; B; B41; B41J; B41J13/00; B41J13/26; B41J2/00; B41J2/315; B41J2/32; B41J2/325

Claims Analysis

Total Claims: 42
Claim 1
Independent Claim 139 words
A recording apparatus for recording on a cut recording sheet an image corresponding to image information, comprising: a rotating member; guide means for guiding and transporting an elongated transfer sheet, having transfer materials for recording an image on the recording sheet by transferring them onto the recording sheet, wherein the transfer sheet extends essentially completely around said rotating member such that the cut recording sheet is pinched between said rotating member and the transfer sheet when conveyed plural times around said rotating member in the same direction; and recording means for recording the image corresponding to the image information on the cut recording sheet, said recording means being disposed at a position where it opposes said rotating member along the conveyance path of the recording sheet which is conveyed while pinched between said rotating member and the transfer sheet.
Claim 2
Dependent Claim 139 words
A recording apparatus for recording on a cut recording sheet an image corresponding to image information, comprising: a rotating member; guide means for guiding and transporting an elongated transfer sheet, having transfer materials for recording an image on the recording sheet by transferring them onto the recording sheet, wherein the transfer sheet extends essentially completely around said rotating member such that the cut recording sheet is pinched between said rotating member and the transfer sheet when conveyed plural times around said rotating member in the same direction; and recording means for recording the image corresponding to the image information on the cut recording sheet, said recording means being disposed at a position where it opposes said rotating member along the conveyance path of the recording sheet which is conveyed while pinched between said rotating member and the transfer sheet.
Claim 3
Dependent Claim 33 words
An apparatus according to claim 1, wherein the peripheral length of said rotating member is equal to or longer than the length of the cut recording sheet with respect to the conveyance direction.
Claim 4
Dependent Claim 21 words
An apparatus according to claim 1, wherein the transfer sheet is wound around a periphery of said rotating member under tension.
Claim 5
Dependent Claim 14 words
An apparatus according to claim 1, wherein said recording means included a thermal head.
Claim 6
Dependent Claim 23 words
An apparatus according to claim 1, wherein a width of said transfer sheet is substantially equal to the width of said rotating member.
Claim 7
Dependent Claim 60 words
An apparatus according to claim 1, wherein the transfer sheet includes a plurality of thermal transfer material areas of various colors which are aligned in the conveyance direction, and said rotating member is rotated plural times in one direction to effect multi-color recording on the recording sheet and thereafter is rotated in the reverse direction to discharge the recording sheet.
Claim 8
Dependent Claim 21 words
An apparatus according to claim 1, wherein said rotating member and said guide means are driven by a common drive source.
Claim 9
Dependent Claim 52 words
An apparatus according to claim 1, wherein said guide means guides the transfer sheet such that when said rotating member rotates once, the edge of the recording sheet released from said rotating member contacts the transfer sheet at an acute angle, and thereafter the second rotation of the recording sheet is executed.
Claim 10
Dependent Claim 43 words
An apparatus according to claim 1, wherein the recording sheet projects from a side end of said rotating member with respect to an axis thereof, and the projecting end is directly detected by detecting means to detect a position of the recording sheet.
Claim 11
Dependent Claim 62 words
An apparatus according to claim 1, further comprising recording sheet guide means for guiding the recording sheet such that when said rotating member rotates in a normal direction for recording, the recording sheet is kept in contact with said rotating member, and when said rotating member rotates in a reverse direction for discharging, the recording sheet is separated from said rotating member.
Claim 12
Dependent Claim 39 words
An apparatus according to claim 1, further comprising a guide plate displosed at an entrance passed by an advancing edge of the recording sheet advancing toward the location where said rotating member and the transfer sheet come into contact.
Claim 13
Dependent Claim 24 words
An apparatus according to claim 1, wherein the transfer sheet is successively fed from a supply roll and taken up around a winding roll.
Claim 14
Dependent Claim 16 words
An apparatus according to claim 1, where said guide means includes a pair of guide rollers.
Claim 15
Dependent Claim 30 words
An apparatus according to claim 13, wherein said rotating member includes a platen drum and said pair of rollers are driven by a drive source common to said palten drum.
Claim 16
Dependent Claim 44 words
An apparatus according to claim 14, wherein the peripheral speed of one of said rollers is lower than the peripheral speed of said platen drum and the peripheral speed of the other said roller is greater than the peripheral speed of said platen drum.
Claim 17
Dependent Claim 180 words
A recording apparatus for recording on a cut recording sheet an image corresponding to image information, comprising: a rotating member; guide means for guiding and transporting an elongated transfer sheet, having transfer materials for recording an image on the recording sheet by transferring them onto the recording sheet, wherein the transfer sheet extends essentially completely around said rotating member such that the cut recording sheet is pinched between said rotating member and the transfer sheet when conveyed plural times around said rotating member in the same direction; recording means for recording the image corresponding to the image information on the cut recording sheet, said recording means being disposed at a position where it opposes said rotating member along the conveyance path of the recording sheet which is conveyed while pinched between said rotating member and the transfer sheet; and driving means for rotating said rotating member in a reverse direction relative to the direction of the plural rotations thereof after a predetermined number of rotations so as to discharge the cut recording sheet on which the image has been recorded.
Claim 18
Dependent Claim 180 words
A recording apparatus for recording on a cut recording sheet an image corresponding to image information, comprising: a rotating member; guide means for guiding and transporting an elongated transfer sheet, having transfer materials for recording an image on the recording sheet by transferring them onto the recording sheet, wherein the transfer sheet extends essentially completely around said rotating member such that the cut recording sheet is pinched between said rotating member and the transfer sheet when conveyed plural times around said rotating member in the same direction; recording means for recording the image corresponding to the image information on the cut recording sheet, said recording means being disposed at a position where it opposes said rotating member along the conveyance path of the recording sheet which is conveyed while pinched between said rotating member and the transfer sheet; and driving means for rotating said rotating member in a reverse direction relative to the direction of the plural rotations thereof after a predetermined number of rotations so as to discharge the cut recording sheet on which the image has been recorded.
Claim 19
Dependent Claim 33 words
An apparatus according to claim 16, wherein the peripheral length of said rotating member is equal to or longer than the length of the cut recording sheet with respect to the conveyance direction.
Claim 20
Dependent Claim 21 words
An apparatus according to claim 16, wherein the transfer sheet is wound around a periphery of the rotating member under tension.
Claim 21
Dependent Claim 14 words
An apparatus according to claim 16, wherein said recording means includes a thermal head.
Claim 22
Dependent Claim 23 words
An apparatus according to claim 16, wherein the width of the transfer sheet is substantially equal to the width of said rotating member.
Claim 23
Dependent Claim 21 words
An apparatus according to claim 16, wherein said rotating member and said guide means are driven by a common drive source.
Claim 24
Dependent Claim 52 words
An apparatus according to claim 16, wherein said guide means guides the transfer sheet such that when said rotating member rotates once, the edge of the recording sheet released from said rotating member contacts the transfer sheet at an acute angle, and thereafter the second rotation of the recording sheet is executed.
Claim 25
Dependent Claim 43 words
An apparatus according to claim 16, wherein the recording sheet projects from a side end of said rotating member with respect to an axis thereof, and the projected end is directly detected by detecting means to detect a position of the recording sheet.
Claim 26
Dependent Claim 20 words
An apparatus according to claim 23, wherein said detecting means detects the leading and trailing edges of the recording sheet.
Claim 27
Dependent Claim 63 words
An apparatus according to claim 16, further comprising recording sheet guide means for guiding the recording sheet such that when said rotating member rotates in a normal direction for recording, , the recording sheet is kept in contact with said rotating member, and when said rotating member rotates in a reverse direction for discharging, the recording sheet is separated from said rotating member.
Claim 28
Dependent Claim 37 words
An apparatus according to claim 16, further comprising a guide plate disposed at an entrance passed by an advancing edge of the recording sheet advancing toward the location where said rotating member and the transfer sheet contact.
Claim 29
Dependent Claim 24 words
An apparatus according to claim 16, wherein the transfer sheet is successively fed from a supply roll and taken up around a winding roll.
Claim 30
Dependent Claim 151 words
A recording apparatus for recording on a cut recording sheet an image corresponding to image information, comprising: a rotating member; guide means for guiding and transporting an elongated transfer sheet, having transfer materials of plural colors aligned in the transport direction, wherein the transfer sheet extends essentially completely around said rotating member such that the cut recording sheet is pinched between said rotating member and the transfer sheet when conveyed plural times around said rotating member in the same direction; detecting means for detecting a boundary between colors of the transfer materials on the transfer sheet; and feed means for feeding the recording sheet to the pinching portion between said rotating member and the transfer sheet in accordance with the detection by said detecting means so that the recording sheet is conveyed while a predetermined position of the recording sheet is located relative to a predetermined position of the transfer sheet.
Claim 31
Dependent Claim 151 words
A recording apparatus for recording on a cut recording sheet an image corresponding to image information, comprising: a rotating member; guide means for guiding and transporting an elongated transfer sheet, having transfer materials of plural colors aligned in the transport direction, wherein the transfer sheet extends essentially completely around said rotating member such that the cut recording sheet is pinched between said rotating member and the transfer sheet when conveyed plural times around said rotating member in the same direction; detecting means for detecting a boundary between colors of the transfer materials on the transfer sheet; and feed means for feeding the recording sheet to the pinching portion between said rotating member and the transfer sheet in accordance with the detection by said detecting means so that the recording sheet is conveyed while a predetermined position of the recording sheet is located relative to a predetermined position of the transfer sheet.
Claim 32
Dependent Claim 33 words
An apparatus according to claim 28, wherein the peripheral length of said rotating member is equal to or longer than the length of the cut recording sheet with respect to the conveyance direction.
Claim 33
Dependent Claim 21 words
An apparatus according to claim 28, wherein the transfer sheet is wound around a periphery of the rotating member under tension.
Claim 34
Dependent Claim 14 words
An apparatus according to claim 28, wherein said recording means includes a thermal head.
Claim 35
Dependent Claim 23 words
An apparatus according to claim 28, wherein the width of the transfer sheet is substantially equal to the width of said rotating member.
Claim 36
Dependent Claim 60 words
An apparatus according to claim 28, wherein the transfer sheet includes a plurality of thermal transfer material area of various colors which are aligned in the conveyance direction, and said rotating member is rotated plural times in one direction to effect multi-color recording on the recording sheet and thereafter is rotated in the reverse direction to discharge the recording sheet.
Claim 37
Dependent Claim 21 words
An apparatus according to claim 28, wherein said rotating member and said guide means are driven by a common drive source.
Claim 38
Dependent Claim 52 words
An apparatus according to claim 28, wherein said guide means guides the transfer sheet such that when said rotating member rotates once, the edge of the recording sheet released from said rotating member contacts the transfer sheet at an acute angle, and thereafter the second rotation of the recording sheet is executed.
Claim 39
Dependent Claim 43 words
An apparatus according to claim 28, wherein the recording sheet projects from a side end of said rotating member with respect to an axis thereof, and the projecting end is directly detected by detecting means to detect a position of the recording sheet.
Claim 40
Dependent Claim 62 words
An apparatus according to claim 28, further comprising recording sheet guide means for guiding the recording sheet such that when said rotating member rotates in a normal direction for recording, the recording sheet is kept in contact with said rotating member, and when said rotating member rotates in a reverse direction for discharging, the recording sheet is separated from said rotating member.
Claim 41
Dependent Claim 37 words
An apparatus according to claim 28, further comprising a guide plate disposed at an entrance passed by an advancing edge of the recording sheet advancing toward the location where said rotating member and the transfer sheet contact.
Claim 42
Dependent Claim 24 words
An apparatus according to claim 28, wherein the transfer sheet is successively fed from a supply roll and taken up around a winding roll.

References Cited (Backward Citations)

US4388628A Cited
JPS5784871A Cited
US4404568A Cited
GB2117708A Cited
EP0098033A2 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-09-29 1990-03-31 1990-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-09-29 1994-03-31 1994-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-09-29 1998-03-31 1998-09-30 $7700.00 Window Closed / Lapsed

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