Patent US4539740A successfully refreshed from Google Patents.
Patent US5038166A successfully refreshed from Google Patents.
US5038166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical image recording apparatus
Assignee: Canon Inc
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Filing: 1988-12-28
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Granted: 1991-08-06
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Expires: 2008-12-28
Abstract
Abstract An optical image recording apparatus includes an image holding member comprising a polymer recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer, a photosensitive member, and exposure means for recording the data recorded by the recording layer by the photosensitive member. The polymer recording layer is preferably composed from a polymer liquid crystal. The polymer recording layer and the photosensitivie member can be provided in a laminated form. The data recorded on the photosensitive member may be subjected to an electrophotographic image forming process.
Inventors
- 👤 Kazuo Isaka
- 👤 Shuzo Kaneko
- 👤 Akihiro Mouri
- 👤 Kazuo Yoshinaga
- 👤 Toshikazu Ohnishi
- 👤 Yutaka Kurabayashi
- 👤 Yomishi Toshida
- 👤 Takeo Eguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:34
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24; G11B7/241; G11B7/242; G11B7/244; G11B7/25; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/133365; G03; G03F; G03F7/00; G03F7/20; G03F7/2002; G03F7/2014; G03F7/2016; G03F7/202; G06; G06K; G06K15/00; G06K15/02; G06K15/12; G06K15/1238
Claims Analysis
Total Claims: 57
Claim 1
Independent Claim
54 words
An optical image recording apparatus, including: an image holding member comprising a polymer recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer, a photosensitive member, and exposure means for recording the data recorded by the recording layer on the photosensitive member.
Claim 2
Dependent Claim
54 words
An optical image recording apparatus, including: an image holding member comprising a polymer recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer, a photosensitive member, and exposure means for recording the data recorded by the recording layer on the photosensitive member.
Claim 3
Dependent Claim
20 words
An apparatus according to claim 1, wherein said image holding member comprises a substrate laminated with the polymer recording layer.
Claim 4
Dependent Claim
24 words
An apparatus according to claim 2, wherein said image holding member further comprises a light-absorbing layer between the substrate and the polymer recording layer.
Claim 5
Dependent Claim
19 words
An apparatus according to claim 1, wherein said image holding member is in the form of an endless belt.
Claim 6
Dependent Claim
15 words
An apparatus according to claim 1, wherein said thermal recording means comprises a thermal head.
Claim 7
Dependent Claim
15 words
An apparatus according to claim 1, wherein said thermal recording means comprises a semiconductor laser.
Claim 8
Dependent Claim
16 words
An apparatus according to claim 1, wherein said polymer recording layer comprises a polymer liquid crystal.
Claim 9
Dependent Claim
18 words
An apparats according to claim 1, which further includes a corona charger, a developing means, and fixing means.
Claim 10
Dependent Claim
13 words
An apparats according to claim 8, which further includes a toner removing means.
Claim 11
Dependent Claim
74 words
An optical image recording apparatus, including: member comprising a polymer an image holding recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer, a photosensitive member, exposure means for recording the data recorded by the recording layer on the photosensitive member, and thermal erasure means for applying heat to the entire face of the image holding member to erase the recorded data.
Claim 12
Dependent Claim
74 words
An optical image recording apparatus, including: member comprising a polymer an image holding recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer, a photosensitive member, exposure means for recording the data recorded by the recording layer on the photosensitive member, and thermal erasure means for applying heat to the entire face of the image holding member to erase the recorded data.
Claim 13
Dependent Claim
19 words
An apparatus according to claim 10, which further includes a corona charger, a developing means, and a fixing means.
Claim 14
Dependent Claim
13 words
An apparatus according to claim 11 which further includes a toner removing means.
Claim 15
Dependent Claim
20 words
An apparatus according to claim 10, wherein said image holding member comprises a substrate laminated with the polymer recording layer.
Claim 16
Dependent Claim
24 words
An apparatus according or claim 13, wherein said image holding member further comprises a light-absorbing layer between the substrate and the polymer recording layer.
Claim 17
Dependent Claim
19 words
An apparatus according to claim 10, wherein said image holding member is in the form of an endless belt.
Claim 18
Dependent Claim
15 words
An apparatus according to claim 10, wherein said thermal recording means comprises a thermal head.
Claim 19
Dependent Claim
15 words
An apparatus according to claim 10, wherein said thermal recording means comprises a semiconductor laser.
Claim 20
Dependent Claim
16 words
An apparatus according to claim 10, wherein said polymer recording layer comprises a polymer liquid crystal.
Claim 21
Dependent Claim
66 words
An optical image recording means, including: an image holding member comprising a polymer recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer, a photosensitive member, and exposure means for recording the data recorded by the recording layer on the photosensitive member, and further a corona charger, a developing means, and a fixing means.
Claim 22
Dependent Claim
66 words
An optical image recording means, including: an image holding member comprising a polymer recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer, a photosensitive member, and exposure means for recording the data recorded by the recording layer on the photosensitive member, and further a corona charger, a developing means, and a fixing means.
Claim 23
Dependent Claim
19 words
An means according to claim 19, wherein said image holding member is in the form of an endless belt.
Claim 24
Dependent Claim
20 words
An apparatus according to claim 19, wherein said image holding member comprises a substrate laminated with the polymer recording layer.
Claim 25
Dependent Claim
24 words
An apparats according to claim 21, wherein said image holding member further comprises a light-absorbing layer between the substrate and the polymer recording layer.
Claim 26
Dependent Claim
15 words
An apparatus according to claim 19, wherein said thermal recording means comprises a thermal head.
Claim 27
Dependent Claim
15 words
An apparatus according to claim 19, where said thermal recording means comprises a semiconductor laser.
Claim 28
Dependent Claim
16 words
An apparatus according to claim 19, wherein said polymer recording layer comprises a polymer liquid crystal.
Claim 29
Dependent Claim
13 words
An apparatus according to claim 19, which further includes a toner removing means.
Claim 30
Dependent Claim
74 words
An optical image recording means, including: an image holding member comprising an electroconductive substrate laminated at least with a photoconductive member and a polymer recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer to form a pattern comprising a transparent portion and an opaque portion, and electrical imaging means for forming an electric charge distribution image on the polymer recording layer.
Claim 31
Dependent Claim
74 words
An optical image recording means, including: an image holding member comprising an electroconductive substrate laminated at least with a photoconductive member and a polymer recording layer capable of recording and holding data through heat application, thermal recording means for applying heat to the polymer recording layer to form a pattern comprising a transparent portion and an opaque portion, and electrical imaging means for forming an electric charge distribution image on the polymer recording layer.
Claim 32
Dependent Claim
56 words
An means according to claim 27, wherein said electrical imaging means includes means for charging the surface of the polymer recording layer, first exposure means for exposing the image holding member from the side of the polymer recording layer, and second exposure means for exposing the image holding member from the side of the electroconductive substrate.
Claim 33
Dependent Claim
16 words
An means according to claim 28, which further includes a developing means, and a transfer charger.
Claim 34
Dependent Claim
13 words
An means according to claim 29, which further includes a toner removing means.
Claim 35
Dependent Claim
16 words
An means according to claim 27, wherein said polymer recording layer comprises a polymer liquid crystal.
Claim 36
Dependent Claim
15 words
An means according to claim 27, wherein said thermal recording means comprises a thermal head.
Claim 37
Dependent Claim
15 words
An means according to claim 27, wherein said thermal recording means comprises a semiconductor laser.
Claim 38
Dependent Claim
71 words
An optical image recording means, including: an image holding member comprising an electroconductive substrate laminated with a polymer recording layer capable of recording and holding data through heat application, a photoconductive member, thermal recording means for applying heat to the polymer recording layer to form a pattern comprising a transparent portion and an opaque portion, and electrical imaging means for forming an electric charge distribution image on the polymer recording layer.
Claim 39
Dependent Claim
71 words
An optical image recording means, including: an image holding member comprising an electroconductive substrate laminated with a polymer recording layer capable of recording and holding data through heat application, a photoconductive member, thermal recording means for applying heat to the polymer recording layer to form a pattern comprising a transparent portion and an opaque portion, and electrical imaging means for forming an electric charge distribution image on the polymer recording layer.
Claim 40
Dependent Claim
56 words
An apparatus according to claim 34, wherein said electrical imaging means includes: means for charging the surface of the polymer recording layer, first exposure means for exposing the image holding member from the side of the polymer recording layer, and second exposure means for exposing the image holding member from the side of the electroconductive substrate.
Claim 41
Dependent Claim
16 words
An apparatus according to claim 35, which further includes a developing device and a transfer charger.
Claim 42
Dependent Claim
13 words
An apparatus according to claim 36, which further includes a toner removing device.
Claim 43
Dependent Claim
16 words
An apparatus according to claim 34, wherein said polymer recording layer comprises a polymer liquid crystal.
Claim 44
Dependent Claim
15 words
An apparatus according to claim 34, where said thermal recording means comprises a thermal head.
Claim 45
Dependent Claim
15 words
An apparatus according to claim 34, wherein said thermal recording means comprises a semiconductor laser.
Claim 46
Dependent Claim
53 words
An image forming method, comprising steps of: applying heat to a polymer recording layer to form a recorded portion corresponding to given data, deranging a photoconductive member, and exposing he charged photoconductive member through the polymer recording layer, to form an electric charge image on the photosensitive member corresponding to the given data.
Claim 47
Dependent Claim
53 words
An image forming method, comprising steps of: applying heat to a polymer recording layer to form a recorded portion corresponding to given data, deranging a photoconductive member, and exposing he charged photoconductive member through the polymer recording layer, to form an electric charge image on the photosensitive member corresponding to the given data.
Claim 48
Dependent Claim
20 words
A method according to claim 41, which further comprises a step of attaching a toner to the electric charge image.
Claim 49
Dependent Claim
16 words
A method according to claim 42, which further comprises a step of transferring the attached toner.
Claim 50
Dependent Claim
37 words
A method according to claim 43, which further comprises steps of erasing the recorded portion of the polymer recording layer, removing the remaining toner on the photoconductive member, and erasing the remaining charge on the photoconductive member.
Claim 51
Dependent Claim
16 words
A method according to claim 41, where said polymer recording layer comprises a polymer liquid crystal.
Claim 52
Dependent Claim
58 words
An image forming method, comprising steps of: applying heat to a polymer recording layer disposed on a photoconductive layer to form a recorded portion in the polymer recording layer corresponding to given data, charging the polymer recording layer, and exposing the photoconductive layer to form an electric charge image on the recording layer corresponding to the given data.
Claim 53
Dependent Claim
58 words
An image forming method, comprising steps of: applying heat to a polymer recording layer disposed on a photoconductive layer to form a recorded portion in the polymer recording layer corresponding to given data, charging the polymer recording layer, and exposing the photoconductive layer to form an electric charge image on the recording layer corresponding to the given data.
Claim 54
Dependent Claim
20 words
A method according to claim 46, which further comprises a step of attaching a toner to the electric charge image.
Claim 55
Dependent Claim
16 words
A method according to claim 47, which further comprises a step of transferring the attached toner.
Claim 56
Dependent Claim
29 words
A method according to claim 48, which further comprises steps of erasing the recorded portion of the polymer recording layer and removing the remaining toner on the photoconductive member.
Claim 57
Dependent Claim
16 words
A method according to claim 46, wherein said polymer recording layer comprises a polymer liquid crystal.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-08-05 | 1995-02-04 | 1995-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-05 | 1999-02-04 | 1999-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-05 | 2003-02-04 | 2003-08-06 | $7700.00 | Window Closed / Lapsed |