Patent US4174175A successfully refreshed from Google Patents.
US4174175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copy preview apparatus
Assignee: Individual
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Filing: 1978-02-01
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Granted: 1979-11-13
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Expires: 1998-02-01
Abstract
Abstract An apparatus for previewing original positive documents and for copying the previewed documents in substantially exactly the same form as previewed with a xerographic or electrostatic copier. The positive document to be copied is placed on a transparent surface such as the glass plate of a conventional copier and is illuminated through the plate to produce an image that can be previewed and copied. In one embodiment, the previewer and copier optics are arranged so that either previewing or copying can be selectively accomplished at the same document receiving station. In another embodiment, the apparatus includes a previewing station including a screen and means for projecting documents being previewed on the screen. Documents to be copied are transferred to a copy station by a belt (e.g. a transparent belt) wherein it is copied such as by an electrostatic copying apparatus.
Inventors
- 👤 James D. DiMaria
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:27
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/60; G03G15/605; G03B; G03B27/00; G03B27/32; G03B27/52; G03B27/62; G03B27/6207; G03B27/6221; G03G15/50; G03G15/5016; G03G15/502
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
115 words
Apparatus for previewing and copying documents in a positive form comprising: means for projecting the image of a document on a viewing surface at a previewing station to display an image of the document for viewing prior to copying; means for transporting the viewed document from said previewing station to a copying station, the transporting means including a transparent endless belt having a surface in contact with a surface of the document, and means for moving the belt with the document in contact therewith between the previewing station and the copying station; and means for copying the document at said copying station in the same form that the document was viewed at the previewing station.
Claim 2
Dependent Claim
115 words
Apparatus for previewing and copying documents in a positive form comprising: means for projecting the image of a document on a viewing surface at a previewing station to display an image of the document for viewing prior to copying; means for transporting the viewed document from said previewing station to a copying station, the transporting means including a transparent endless belt having a surface in contact with a surface of the document, and means for moving the belt with the document in contact therewith between the previewing station and the copying station; and means for copying the document at said copying station in the same form that the document was viewed at the previewing station.
Claim 3
Dependent Claim
31 words
The apparatus of claim 1 wherein said belt moving means comprises hand actuated means for rotating said endless belt to position a document from said previewing station to said copying station.
Claim 4
Dependent Claim
28 words
The apparatus of claim 2 wherein said transparent endless belt is actuated by a motor driven endless belt connected to a roller which supports the transparent endless belt.
Claim 5
Dependent Claim
127 words
Apparatus for previewing and copying positive documents comprising: a document receiving station including a transparent surface and means for illuminating a surface of a positive document to be copied through said transparent surface; means for selectively projecting the image of the illuminated document through the transparent surface and on to a viewing surface to display an image of the document for viewing prior to copying; means for selectively copying the positive document through the transparent surface in substantially the exact form that the document is displayed on the viewing surface; said selective projecting means and said selective copying means being at spaced locations and said apparatus including transporting means for moving the document from the location of the projecting means to the location of the copying means.
Claim 6
Dependent Claim
127 words
Apparatus for previewing and copying positive documents comprising: a document receiving station including a transparent surface and means for illuminating a surface of a positive document to be copied through said transparent surface; means for selectively projecting the image of the illuminated document through the transparent surface and on to a viewing surface to display an image of the document for viewing prior to copying; means for selectively copying the positive document through the transparent surface in substantially the exact form that the document is displayed on the viewing surface; said selective projecting means and said selective copying means being at spaced locations and said apparatus including transporting means for moving the document from the location of the projecting means to the location of the copying means.
Claim 7
Dependent Claim
53 words
The apparatus of claim 4 wherein said transparent surface comprises a substantially horizontally disposed glass plate, the surface of the document to be copied being in contact with one surface of the glass plate and the glass plate being disposed intermediate the surface of the document to be copied and the illuminating means.
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) | 1982-11-12 | 1983-05-14 | 1983-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-11-12 | 1987-05-14 | 1987-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-11-12 | 1991-05-14 | 1991-11-13 | $7700.00 | Window Closed / Lapsed |