Counter for electrical pulses
Abstract
Abstract THIS INVENTION RELATES TO A COUNTER FOR COUNTING ELECTRIC PULSES FOR USE IN DIGITAL COMPUTERS AND INSTRUMENTATION SYSTEMS. THE PULSE COUNTER OF THE INVENTION COMPRISES A PLURALITY OF BISTABLE ELEMENTS ARRANGED TO PRODUCE AN OUTPUT IN GRAY CODE AND SUITABLY CONNECTED TO A PLURALITY OF EXCLUSIVE - OR ELEMENTS FOR CONVERTING THE GRAY CODE OUTPUT TO A BINARY CODE OUTPUT, MEANS FOR GENERATING A PARITY SIGNAL FROM THE BINARY COD OUTPUT AND MEANS FOR APPLYING THE PARITY SIGNAL TO THE PLURALITY OF BISTBLE ELEMENTS. THE PULSE COUNTER OF THE INVENTION MAY BE CONSTRUCTED SO THAT THERE IS NO OVERFLOW IN EITHER DIRECTION OR MAY ALTERNATIVELY THE CONSTRUCTED TO PERMIT OVERFLOW AND, CONSEQUENTLY, CONTINUOUS COUNTING.
Inventors
- 👤 James Richard Halsall
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) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |