US3382375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counter employing monostable-multivibrator with its timing cycle determined and initiated by first two pulses of input clock but then isolated therefrom for remainder ofcount
Assignee: RCA Corp
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Filing: 1964-04-03
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Granted: 1968-05-07
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Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Burlington Robert A Dischert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:09
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/06; H04N5/067; H04N5/073; H03; H03K; H03K25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A COUNTER CIRCUIT FOR PROVIDING A COUNT OF N, COMPRISING IN COMBINATION: A CAPACITOR; MEANS FOR INITIATING THE CHARGING OF SAID CAPACITOR IN RESPONSE TO THE APPEARANCE OF AN INITIAL ONE OF A PERIODIC TRAIN OF INPUT PULSES; MEANS FOR TERMINATING SAID CHARGING OF SAID CAPACITOR MEANS FOR TERMINATING SAID CHARGING OF SAID CAPACITOR SAID TRAIN NEXT SUCCEEDING SAID INITIAL ONE; AND MEANS FOR DISCHARGING SAID CAPACITOR FOR A PERIOD COMMENCING WITH SAID CHARGE TERMINATION AND CONCLUDING AT A TIME INTERMEDIATE THE TIMES OF APPEARANCE OF A PAIR OF SUCCESSIVE INPUT PULSES OF SAID TRAIN, THE DURATION OF SAID DISCHARGING PERIOD EXCEEDING (N-2) THE DURATION OF THE RECURRENCE PERIOD. INPUT PULSE TRAIN, AND BEING LESS THAN (N-1) TIMES THE DURATION OF SAID RECURRENCE PERIOD.
Claim 2
Dependent Claim
124 words
A COUNTER CIRCUIT FOR PROVIDING A COUNT OF N, COMPRISING IN COMBINATION: A CAPACITOR; MEANS FOR INITIATING THE CHARGING OF SAID CAPACITOR IN RESPONSE TO THE APPEARANCE OF AN INITIAL ONE OF A PERIODIC TRAIN OF INPUT PULSES; MEANS FOR TERMINATING SAID CHARGING OF SAID CAPACITOR MEANS FOR TERMINATING SAID CHARGING OF SAID CAPACITOR SAID TRAIN NEXT SUCCEEDING SAID INITIAL ONE; AND MEANS FOR DISCHARGING SAID CAPACITOR FOR A PERIOD COMMENCING WITH SAID CHARGE TERMINATION AND CONCLUDING AT A TIME INTERMEDIATE THE TIMES OF APPEARANCE OF A PAIR OF SUCCESSIVE INPUT PULSES OF SAID TRAIN, THE DURATION OF SAID DISCHARGING PERIOD EXCEEDING (N-2) THE DURATION OF THE RECURRENCE PERIOD. INPUT PULSE TRAIN, AND BEING LESS THAN (N-1) TIMES THE DURATION OF SAID RECURRENCE PERIOD.
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) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |