Apparatus for reading record cards
Abstract
Abstract AN APPARATUS FOR READING PUNCHED CARDS CO-OPERATING WITH A CONTROL ARRANGEMENT AND PROVIDED WITH A SYNCHRONOUS MOTOR HAVING TWO DIRECTIONS OF ROTATION ADAPTED TO DRIVE ROLLERS FOR ADVANCING A CARD, EITHER FOR THE COMPLETE INTRODUCTION OF A CARD OR FOR ITS EJECTION, WITH A STEP-BYSTEP MOTOR HAVING TWO DIRECTIONS OF ROTATION WHICH IS ADAPTED TO DRIVE A CONVEYOR BAND GUIDING AN INTRODUCED CARD, THE SAID BAND BEING SUPPORTED BY TWO ROLLS, ONE OF WHICH IS RETRACTABLE DURING THE INTRODUCTION AND THE EJECTION OF A CARD. LOGICAL CIRCUITS CONTROL THE FEEDING OF A NUMBER OF ACTUATING ELECTROMAGNETS OF THE SYNCHRONOUS MOTOR AND OF THE STEP-BY-STEP MOTOR, WHEREBY A CARD IS ADVANCED COLUMNWISE IN THE FORWARD DIRECTION AND IN THE REARWARD DIRECTION AS A RESULT OF PULSES SUPPLIED BY THE CONTROL ARRANGEMENT, WHICH FINALLY PROVIDES AN EJECTION CONTROL PULSE.
Inventors
- 👤 J Pot
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |