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US4772781A
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US
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Sheet transportation control apparatus
Assignee: Toshiba Corp
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Filing: 1986-05-29
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Granted: 1988-09-20
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Expires: 2006-05-29
Abstract
Abstract A sheet transportation control apparatus comprising a sheet conveyor for sequentially fetching and conveying sheets, a detector for detecting a jam of sheets during conveyance, a speed switching circuit for switching conveying speed of the sheet conveyer between high and low speeds, and a conveying direction switching circuit for switching a conveying direction of the sheet conveyer between both forward and reverse directions. After the conveying direction switching circuit reversed the sheet conveyer for only a predetermined period of time in response to a detection of the jam by the detector, the sheet conveyer is again forwardly rotated, thereby automatically solving the jam of sheets.
Inventors
- 👤 Yoshihiro Watanabe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:28
CPC Classifications
G; G07; G07D; G07D11/00; G07D11/20; G07D11/22; G07D11/235; G07D11/237; G07D11/26
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
151 words
A sheet transportation control apparatus comprising: conveying means for sequentially fetching and conveying sheets; detecting means for detecting a jam of sheets during conveyance; speed switching means for switching conveying speed of said conveying means between a first speed and a second speed, said second speed being lower than said first speed; and conveying direction switching means for switching a conveying direction of said conveying means between both forward and reverse directions, said conveying direction switching means reversing said conveying means for a predetermined period of time in response to a detection of the jam by said detecting means, and said conveying means being again forwardly rotated at the end of said predetermined period of time, thereby automatically clearing the jam of sheets, said speed switching means switching the conveying speed of said conveying means to said second speed in response to the detection of the jam by said detecting means.
Claim 2
Dependent Claim
151 words
A sheet transportation control apparatus comprising: conveying means for sequentially fetching and conveying sheets; detecting means for detecting a jam of sheets during conveyance; speed switching means for switching conveying speed of said conveying means between a first speed and a second speed, said second speed being lower than said first speed; and conveying direction switching means for switching a conveying direction of said conveying means between both forward and reverse directions, said conveying direction switching means reversing said conveying means for a predetermined period of time in response to a detection of the jam by said detecting means, and said conveying means being again forwardly rotated at the end of said predetermined period of time, thereby automatically clearing the jam of sheets, said speed switching means switching the conveying speed of said conveying means to said second speed in response to the detection of the jam by said detecting means.
Claim 3
Dependent Claim
38 words
A sheet transportation control apparatus according to claim 1, wherein said speed switching means switches the conveying speed of said conveying means to the low speed in response to the detection of the jam by said detecting means.
Claim 4
Dependent Claim
78 words
A sheet transportation control apparatus according to claim 1, wherein said conveying means is constituted by receiving means which collectively receives said sheets, fetching means for fetching said sheets one by one, a conveyance path to convey the sheets fetched, and gate means for branching said conveyance path to at least two paths, and said jam detecting means is provided on the conveyance path near said gate means and includes a photoelectric sensor to photoelectrically detect said sheets.
Claim 5
Dependent Claim
46 words
A sheet transportation control apparatus according to claim 3, wherein said detecting means includes means for measuring the period of time when said sheets are detected by said photoelectric sensor and means for determining the jam when said measured period of time exceeds a predetermined time.
Claim 6
Dependent Claim
74 words
A sheet transportation control apparatus according to claim 3, wherein said photoelectric sensor of said detecting means comprises at least two photoelectric converting elements which are arranged in the conveying direction at a distance from each other, and said detecting means includes means for measuring a period of time when said sheets pass through said photoelectric converting elements and means for determining the jam when said measured period of time exceeds a predetermined time.
Claim 7
Dependent Claim
143 words
A sheet transportation control apparatus according to claim 1, wherein said conveying means includes note receiving means which collectively receives bank notes as said sheets, cash fetching means for fetching said bank notes one by one, a note conveyance path for conveying said note fetched, and gate means for branching said note conveyance path into at least two paths; said jam detecting means includes means for detecting a choke of a note on said conveyance path; and said conveying direction switching means includes means for stopping said conveying means in response to the detection of the jam by said detecting means and then reversing said conveying means for a predetermined period of time and thereafter switching said gate means in the direction of said note receiving means and then returning the deposited note to said note receiving means after the jam was detected.
Claim 8
Dependent Claim
159 words
A sheet transportation control apparatus according to claim 1, wherein said conveying means includes a storing section for each denomination to store notes as said sheets for every denomination, note fetching means for fetching one by one the notes stored in said storing section for each denomination as dispensing notes, a note conveyance path to convey the note fetched, gate means for branching said note conveyance path into at least two paths and note recovery means; said jam detecting means includes means for detecting a choke of a note on said conveyance path; and said conveying direction switching means includes means for stopping said conveying means in response to the detection of the jam by said detecting means and then reversing said conveying means for a predetermined period of time and thereafter switching said gate in the direction of said note recovery means and then returning the dispensing note to said note recovery means after the jam was detected.
References Cited (Backward Citations)
US4482058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-09-20 | 1992-03-21 | 1992-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-09-20 | 1996-03-21 | 1996-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-09-20 | 2000-03-21 | 2000-09-20 | $7700.00 | Window Closed / Lapsed |