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US4861695A
Expired / Lapsed
US
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Light-sensitive recording medium, cartridge encasing same, and image recording system therefor
Assignee: Brother Industries Ltd
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Filing: 1988-10-13
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Granted: 1989-08-29
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Expires: 2008-10-13
Abstract
Abstract A light-sensitive recording medium comprising a base sheet composed of a water-soluble material having carried thereon light-sensitive microcapsules encapsulating a dye precursor; a cartridge encasing a light-sensitive recording medium, which is composed of a water-soluble material and has light-shielding property; and an image recording system involving at least one of the light-sensitive recording medium and the cartridge are disclosed.
Inventors
- 👤 Shunichi Higashiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:35
CPC Classifications
G; G03; G03C; G03C11/00; G03C1/00; G03C1/76; G03C1/775; G03C3/00; G03F; G03F7/00; G03F7/002; G03F7/0022; G03F7/003
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
22 words
A light-sensitive recording medium comprising a base sheet composed of a water-soluble material having carried thereon light-sensitive microcapsules encapsulating a dye precursor.
Claim 2
Dependent Claim
22 words
A light-sensitive recording medium comprising a base sheet composed of a water-soluble material having carried thereon light-sensitive microcapsules encapsulating a dye precursor.
Claim 3
Dependent Claim
31 words
A light-sensitive recording medium as claimed in claim 1, wherein said water-soluble material is a paper composed of pulp and a water-soluble binder, or a film of partially saponified polyvinyl alcohol.
Claim 4
Dependent Claim
18 words
A cartridge encasing a light-sensitive recording medium, which is composed of a water-soluble material and has light-shielding property.
Claim 5
Dependent Claim
18 words
A cartridge encasing a light-sensitive recording medium, which is composed of a water-soluble material and has light-shielding property.
Claim 6
Dependent Claim
29 words
A cartridge as claimed in claim 3, wherein said water soluble-material is a paper composed of pulp and a water-soluble binder, or a film of partially saponified polyvinyl alcohol.
Claim 7
Dependent Claim
14 words
A cartridge as claimed in claim 3, which contains fine particles of carbon black.
Claim 8
Dependent Claim
60 words
An image recording system comprising a light-shielding cartridge encasing a light-sensitive recording medium, an optical means for exposing to light the light-sensitive recording medium drawn out from the cartridge, and a means for developing the light-exposed recording medium, wherein at least one of the cartridge and a base sheet of the light-sensitive recording medium is composed of a water-soluble material.
Claim 9
Dependent Claim
60 words
An image recording system comprising a light-shielding cartridge encasing a light-sensitive recording medium, an optical means for exposing to light the light-sensitive recording medium drawn out from the cartridge, and a means for developing the light-exposed recording medium, wherein at least one of the cartridge and a base sheet of the light-sensitive recording medium is composed of a water-soluble material.
Claim 10
Dependent Claim
31 words
An image recording system as claimed in claim 6, wherein said water-soluble material is a paper composed of pulp and a water-soluble binder, or a film of partially saponified polyvinyl alcohol.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-28 | 1993-02-27 | 1993-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-28 | 1997-02-27 | 1997-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-28 | 2001-02-27 | 2001-08-29 | $7700.00 | Window Closed / Lapsed |