US3431403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Readout control system for perforated tape
Assignee: Fujitsu Ltd
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Filing: 1965-07-29
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Granted: 1969-03-04
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Expires: 1985-07-29
Abstract
No abstract record available.
Inventors
- 👤 Kenji Seno
- 👤 Koichi Nozawa
- 👤 Nobuyuki Tanaka
- 👤 Hideyuki Kikuchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:47
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/18; G06K13/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A READOUT CONTROL SYSTEM FOR A PERFORATED TAPE HAVING CHARACTERS PERFORATED THEREIN, COMPRISING: A START MAGNET POSITIONED IN OPERATIVE PROXIMITY WITH SAID PERFORATED TAPE FOR MOVING SAID TAPE WHEN AN OPERATION PULSE IS SUPPLIED THERETO; A STOP MAGNET POSITIONED IN OPERATIVE PROXIMITY WITH SAID PERFORATED FOR STOPPING SAID TAPE WHEN AN OPERATION PULSE IS SUPPLIED THERETO, EACH OF SAID START MAGNET AND SAID STOP MAGNET HAVING AN OPERATION ALLOWANCE TIME COMMERCING WHEN AN OPERATION PULSE IS SUPPLIED TO SAID MAGNET AND EXTENDING FOR A DETERMINED DURATION, WHICH OPERATION ALLOWANCE TIME IS REQUIRED FOR COMPLETE OPERATION OF SAID MAGNET; READOUT MEANS POSITIONED IN OPERATIVE PROXIMITY WITH SAID PERFORATED TAPE FOR PRODUCING A READOUT OPERATION PULSE AND FOR READING OUT CHARACTERS PERFORATED IN SAID PERFORATED TAPE;
Claim 2
Dependent Claim
124 words
A READOUT CONTROL SYSTEM FOR A PERFORATED TAPE HAVING CHARACTERS PERFORATED THEREIN, COMPRISING: A START MAGNET POSITIONED IN OPERATIVE PROXIMITY WITH SAID PERFORATED TAPE FOR MOVING SAID TAPE WHEN AN OPERATION PULSE IS SUPPLIED THERETO; A STOP MAGNET POSITIONED IN OPERATIVE PROXIMITY WITH SAID PERFORATED FOR STOPPING SAID TAPE WHEN AN OPERATION PULSE IS SUPPLIED THERETO, EACH OF SAID START MAGNET AND SAID STOP MAGNET HAVING AN OPERATION ALLOWANCE TIME COMMERCING WHEN AN OPERATION PULSE IS SUPPLIED TO SAID MAGNET AND EXTENDING FOR A DETERMINED DURATION, WHICH OPERATION ALLOWANCE TIME IS REQUIRED FOR COMPLETE OPERATION OF SAID MAGNET; READOUT MEANS POSITIONED IN OPERATIVE PROXIMITY WITH SAID PERFORATED TAPE FOR PRODUCING A READOUT OPERATION PULSE AND FOR READING OUT CHARACTERS PERFORATED IN SAID PERFORATED TAPE;
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |