US4313673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Duplex operation in a reproduction machine
Assignee: Xerox Corp
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Filing: 1979-10-30
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Granted: 1982-02-02
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Expires: 1999-10-30
Abstract
Abstract Simplex to duplex copying, is simplified in particular, the requirements are to reverse order the documents for a first pass, place all the documents in a recirculating document handler, move half copies or one sided copies to an auxiliary feed tray, and finally reverse the order of the originals. In another feature, the blank sheets are automatically scheduled and not billed on a customer billing meter.
Inventors
- 👤 Raymond C. Wartinger
- 👤 Charles D. Braswell
- 👤 Neal S. Buchalter
- 👤 John W. Daughton
- 👤 Robert G. Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:49
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/23; G03G15/231
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
194 words
In an electrophotographic copier having a display panel and having selective operating modes for making one sided or two sided copies, said two sided copy mode having a first side copy cycle during which a first side copy is formed on one side of a copy sheet and a second side copy cycle during which a second side copy is formed on the opposite side of the copy sheet, the method of operating in the two sided copy mode by instructing the operator in selective sequence by means of the display panel comprising the steps of: manually reverse ordering the documents in a set of documents to be imaged, placing all the documents in an automatic document handler for producing first side copies in a receiving tray during a first side pass of copy sheets from a copy sheet supply, manually conveying the completed half copies from said receiving tray to a copy feed tray, and again manually reversing the order of the originals, and replacing all the documents in said automatic document handler to allow said first side copies to be automatically fed from the copy feed tray for receiving second side images.
Claim 2
Dependent Claim
194 words
In an electrophotographic copier having a display panel and having selective operating modes for making one sided or two sided copies, said two sided copy mode having a first side copy cycle during which a first side copy is formed on one side of a copy sheet and a second side copy cycle during which a second side copy is formed on the opposite side of the copy sheet, the method of operating in the two sided copy mode by instructing the operator in selective sequence by means of the display panel comprising the steps of: manually reverse ordering the documents in a set of documents to be imaged, placing all the documents in an automatic document handler for producing first side copies in a receiving tray during a first side pass of copy sheets from a copy sheet supply, manually conveying the completed half copies from said receiving tray to a copy feed tray, and again manually reversing the order of the originals, and replacing all the documents in said automatic document handler to allow said first side copies to be automatically fed from the copy feed tray for receiving second side images.
Claim 3
Dependent Claim
20 words
The method of claim 1 including the step of instructing the operator to alter the contents of a selected tray.
Claim 4
Dependent Claim
16 words
The method of claim 2 including the step of inhibiting the display upon suitable operator action.
Claim 5
Dependent Claim
22 words
The method of claim 1 including the steps of altering the normal sequence of operator instructions in response to variable operator action.
Claim 6
Dependent Claim
90 words
In a reproduction machine for producing impressions of an original, the combination of a photosensitive member and a plurality of operating components cooperable with one another and the photosensitive member to produce the impressions on support material, a billing meter, a tray for feeding the support material, a second tray providing a buffer storage for duplex operation, a finisher area having a receiving tray, means to determine an odd number of documents to be copied, means to schedule a blank sheet and means to inhibit billing of the blank sheet.
Claim 7
Dependent Claim
90 words
In a reproduction machine for producing impressions of an original, the combination of a photosensitive member and a plurality of operating components cooperable with one another and the photosensitive member to produce the impressions on support material, a billing meter, a tray for feeding the support material, a second tray providing a buffer storage for duplex operation, a finisher area having a receiving tray, means to determine an odd number of documents to be copied, means to schedule a blank sheet and means to inhibit billing of the blank sheet.
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) | 1985-02-01 | 1985-08-03 | 1986-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-01 | 1989-08-03 | 1990-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-01 | 1993-08-03 | 1994-02-02 | $7700.00 | Window Closed / Lapsed |