Patent US4666289A successfully refreshed from Google Patents.
US4666289A
Expired / Lapsed
US
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Electrophotographic copying machine for displaying the size of copy and copy paper
Assignee: Sharp Corp
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Filing: 1985-04-10
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Granted: 1987-05-19
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Expires: 2005-04-10
Abstract
Abstract An electrophotographic copying machine of a magnification/reduction-controllable type having a copy paper size display, a original copy picture size display, and a control circuit for controlling the operation of the two displays. Preferably, the copy picture size display is an analog display.
Inventors
- 👤 Tadaaki Kawano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:57
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/50; G03G15/5016; G03G15/04; G03G15/041
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
117 words
An electrophotographic copying machine of a magnification/reduction-controllable type for copying an original document onto a paper, comprising: copy paper size display means for displaying the size of a sheet of copy paper onto which a copy of an original document is to be made; original document size display means of analog form for displaying the size of an original document of which a copy of the original document is to be made and for enabling an operator to visually compare the size of the copy paper and the original juxtapositioned with respect to said copy paper size display means; and control means for operating the copy paper size display means and original (picture) document size display means.
Claim 2
Dependent Claim
117 words
An electrophotographic copying machine of a magnification/reduction-controllable type for copying an original document onto a paper, comprising: copy paper size display means for displaying the size of a sheet of copy paper onto which a copy of an original document is to be made; original document size display means of analog form for displaying the size of an original document of which a copy of the original document is to be made and for enabling an operator to visually compare the size of the copy paper and the original juxtapositioned with respect to said copy paper size display means; and control means for operating the copy paper size display means and original (picture) document size display means.
Claim 3
Dependent Claim
33 words
The machine of claim 1, further comprising control switch means which when actuated modifies the display portions of said original document size display means thereby copying the original document in a modified dimension.
Claim 4
Dependent Claim
27 words
The machine of claim 1, wherein said copy paper size display means is a lamp means for indicating a specific size of a sheet of copy paper.
Claim 5
Dependent Claim
21 words
The machine of claim 1, further comprising shift means for shifting the position of an original document on said copy paper.
Claim 6
Dependent Claim
33 words
The machine of claim 4, further comprising control switch means which when actuated modifies the display portions of said original document size display means thereby copying the original document in a modified dimension.
References Cited (Backward Citations)
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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) | 1990-05-18 | 1990-11-17 | 1991-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-18 | 1994-11-17 | 1995-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-18 | 1998-11-17 | 1999-05-19 | $7700.00 | Window Closed / Lapsed |