US5029833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording apparatus
Assignee: Ricoh Co Ltd
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Filing: 1989-03-29
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Granted: 1991-07-09
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Expires: 2009-03-29
Abstract
Abstract When a sheet feeder such as a cassette containing particular sheets is loaded in a recording apparatus, the sheet feeder is recognized by a particular sheet feeder recognizing device. If the sheet containing particular sheets is selected against the will of the operator, the feeding of the particular sheets from the sheet feeder is prevented by a feed stop means.
Inventors
- 👤 Tatsuo Tani
- 👤 Shozo Miyawaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:13
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/50; G03G15/5029; B; B65; B65H; B65H3/00; B65H3/44; B65H7/00; B65H7/02; G03G15/65; G03G15/6502; G03G15/6508; B65H2511/00; B65H2511/10; B65H2511/40; B65H2511/414; B65H2511/416; B65H2513/00; B65H2513/50; B65H2513/512; B65H2557/00; B65H2557/60; B65H2557/64; G03G2215/00; G03G2215/00362; G03G2215/00367; G03G2215/00379; G03G2215/00383; G03G2215/00443; G03G2215/00447; G03G2215/00451; G03G2215/00464; G03G2215/00472; G03G2215/00493; G03G2215/00497; G03G2215/00523; G03G2215/00535; G03G2215/00556
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
198 words
A recording apparatus comprising: a plurality of sheet feeders for storing sheets of paper of two or more different types: recording means for recording desired data on any of the sheets stored in the sheet feeders; sheet feeder selector means for selecting any of the sheet feeders to supply a sheet of paper for recording data thereon, said sheet feed selector means comprising first selector means which is manually operable; means for indicating sheet feeders storing particular sheets; a particular sheet feeder recognizing means for recognizing one said sheet feeders which contains particular sheets among said sheets of paper of different types; first feed stop means for preventing the particular sheets from being fed from said one sheet feeder when said one sheet feeder is selected by said first selector means; alarm means for notifying selection of a particular sheet when said first fed stop means operates; first feed stop control means for operating said fist feed stop means in response to information from said sheet feeder selector means and said particular sheet feeder recognizing means; and a print button for starting a copying process after a certain period of time following the operation of said alarm means.
Claim 2
Dependent Claim
198 words
A recording apparatus comprising: a plurality of sheet feeders for storing sheets of paper of two or more different types: recording means for recording desired data on any of the sheets stored in the sheet feeders; sheet feeder selector means for selecting any of the sheet feeders to supply a sheet of paper for recording data thereon, said sheet feed selector means comprising first selector means which is manually operable; means for indicating sheet feeders storing particular sheets; a particular sheet feeder recognizing means for recognizing one said sheet feeders which contains particular sheets among said sheets of paper of different types; first feed stop means for preventing the particular sheets from being fed from said one sheet feeder when said one sheet feeder is selected by said first selector means; alarm means for notifying selection of a particular sheet when said first fed stop means operates; first feed stop control means for operating said fist feed stop means in response to information from said sheet feeder selector means and said particular sheet feeder recognizing means; and a print button for starting a copying process after a certain period of time following the operation of said alarm means.
Claim 3
Dependent Claim
31 words
A recording apparatus according to claim 1, wherein limitless sheet feeding is performed among particular sheet feed means when said print key is operated after the operation of said alarm means.
Claim 4
Dependent Claim
35 words
A recording apparatus according to claim 1, wherein said sheet selector means automatically determines limitless sheet feeding or selection of ordinary size sheets, or which one of said sheet feeders should be operated with preference.
Claim 5
Dependent Claim
157 words
A recording apparatus comprising: a plurality of sheet feeders for storing sheets of paper of two or more different types; recording means for recording desired data on any of the sheets stored in the sheet feeders; sheet feeder selector means for selecting any of the sheet feeders to supply a sheet of paper for recording data thereon, said sheet feed selector means comprising first selector means which is manually operable and is able to select size and kind of sheets; particular sheet feeder recognizing means for recognizing one of said sheet feeders which contains particular sheets among said sheets of paper of different types; second fed stop means for preventing the ordinary sheets from being fed from said one sheet feeder when the particular sheets are selected by said sheet feeder selector means, and for enabling limitless feeding of the particular sheets from another particular sheet feeder when the selected particular sheet feeder runs short of sheets.
Claim 6
Dependent Claim
157 words
A recording apparatus comprising: a plurality of sheet feeders for storing sheets of paper of two or more different types; recording means for recording desired data on any of the sheets stored in the sheet feeders; sheet feeder selector means for selecting any of the sheet feeders to supply a sheet of paper for recording data thereon, said sheet feed selector means comprising first selector means which is manually operable and is able to select size and kind of sheets; particular sheet feeder recognizing means for recognizing one of said sheet feeders which contains particular sheets among said sheets of paper of different types; second fed stop means for preventing the ordinary sheets from being fed from said one sheet feeder when the particular sheets are selected by said sheet feeder selector means, and for enabling limitless feeding of the particular sheets from another particular sheet feeder when the selected particular sheet feeder runs short of sheets.
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) | 1994-07-08 | 1995-01-07 | 1995-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-08 | 1999-01-07 | 1999-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-08 | 2003-01-07 | 2003-07-09 | $7700.00 | Window Closed / Lapsed |