US3761951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostatic image forming apparatus
Assignee: Canon Inc
•
Filing: 1971-12-16
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Granted: 1973-09-25
•
Expires: 1991-12-16
Abstract
Abstract Image-forming apparatus includes an electron beam generator responsive to image-defining excitation signals to apply a pattern of electron beams to a plate. The plate thereupon emits radiation in pattern according with the electron beam pattern.
Inventors
- 👤 E Inoue
- 👤 K Yamaji
- 👤 H Tanaka
- 👤 T Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:14
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G15/00; G03G15/22; G03G15/32; G03G15/326; G03G15/328; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
56 words
Image-forming apparatus comprising means operably responsive to information signals for emitting electron beams defining said image along an axis and plate means including in succession along said axis a radiation image-generating layer comprising a material emitting radiation upon electron beam bombardment thereof and an electrode transmissive to said radiation and coextensive with said radiation image-generating layer.
Claim 2
Dependent Claim
56 words
Image-forming apparatus comprising means operably responsive to information signals for emitting electron beams defining said image along an axis and plate means including in succession along said axis a radiation image-generating layer comprising a material emitting radiation upon electron beam bombardment thereof and an electrode transmissive to said radiation and coextensive with said radiation image-generating layer.
Claim 3
Dependent Claim
12 words
The apparatus claimed in claim 1 wherein said electrode is metallic film.
Claim 4
Dependent Claim
26 words
The apparatus claimed in claim 1 wherein said plate means further includes a layer of optical fibers interposed between said radiation image-generating layer anD said electrode.
Claim 5
Dependent Claim
17 words
The apparatus claimed in claim 1 further including means for applying blanket radiation to said plate means.
Claim 6
Dependent Claim
28 words
The apparatus claimed in claim 1 wherein said plate means further includes a photoconductive layer sensitive to said radiation and disposed successively along said axis from said electrode.
Claim 7
Dependent Claim
24 words
The apparatus claimed in claim 5 wherein said plate means further includes an insulative layer disposed successively along said axis from said photoconductive layer.
Claim 8
Dependent Claim
28 words
The apparatus claimed in claim 1 wherein said plate means further includes an insulative layer transmissive to said radiation and disposed successively along said axis from said electrode.
Claim 9
Dependent Claim
29 words
The apparatus claimed in claim 7 wherein said plate means further includes a photoconductive layer sensitive to said radiation and disposed successively along said axis from said insulative layer.
Claim 10
Dependent Claim
25 words
The apparatus claimed in claim 8 wherein said plate means further includes a second insulative layer disposed successively along said axis from said photoconductive layer.
References Cited (Backward Citations)
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US3368106A
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US3551146A
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US3631507A
Cited
US3653064A
Cited
US3673595A
Cited
US3609031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |