US3265867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Digital clock system
Assignee: Individual
•
Filing: 1961-11-06
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Granted: 1966-08-09
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Expires: 1981-11-06
Abstract
No abstract record available.
Inventors
- 👤 Douglas A Venn
- 👤 Donald H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:30
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/0005; G04C; G04C17/00; G04C23/00; G04C23/02; G04C23/12; G04F; G04F10/00; G04F10/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A DIGITAL CLOCK SYSTEM COMPRISING A TIME INFORMATION SOURCE; A PLURALITY OF BIT COUNTERS, EACH OF SAID BIT COUNTERS CONNECTED TO SAID SOURCE TO COUNT THE OUTPUT THEREOF; A PLURALITY OF FIRST GATING MEANS, EACH OF SAID FIRST GATING MEANS CONNECTED TO SAID SOURCE AND TO THE OUTPUTS OF TWO BIT COUNTERS IN SAID PLURALITY THEREOF, AND EACH OF SAID FIRST GATING MEANS ADAPTED TO PASS THE OUTPUT OF SAID SOURCE WHEN THE OUTPUT OF ITS RESPECTIVE BIT COUNTERS ARE IN A FIRST SELECTED RELATION; SECOND GATING MEANS OF THE "AND" VARIETY; MEANS CONNECTING EACH OF THE OUTPUTS OF SAID FIRST GATING MEANS TO SAID SECOND GATING MEANS; SAID SECOND GATING MEANS ADAPTED TO RESPOND TO IMPUT SIGNAL DEVIATIONS FROM A SECOND SELECTED RELATION; SIGNAL COMPARATOR MEANS, A PLURALITY OF SIGNAL TRANSFER MEANS INTERCONNECTING A FIRST INPUT OF SAID SIGNAL COMPARATOR MEANS AND RESPECTIVE BIT COUNTERS IN SAID PLURALITY THEREOF, EACH OF SAID SIGNAL TRANSFER MEANS INCLUDING GATING MEANS FOR SIGNAL INTERRUPTION CONTROL; MEANS CONNECTING THE OUTPUT OF ONE OF SAID FIRST GATING MEANS IN SAID PLURALITY THEREOF TO THE SIGNAL INTERRUPTION CONTROL GATING MEANS OF ONE OF SAID SIGNAL TRANSFER MEANS IN SAID PLURALITY THEREOF SUCH THAT IN THE PRESENCE OF AN OUTPUT SIGNAL FROM SAID ONE OF SAID FIRST GATING MEANS SAID ONE OF SAID SIGNAL TRANSFER MEANS IS OPERATIVE;
Claim 2
Dependent Claim
222 words
A DIGITAL CLOCK SYSTEM COMPRISING A TIME INFORMATION SOURCE; A PLURALITY OF BIT COUNTERS, EACH OF SAID BIT COUNTERS CONNECTED TO SAID SOURCE TO COUNT THE OUTPUT THEREOF; A PLURALITY OF FIRST GATING MEANS, EACH OF SAID FIRST GATING MEANS CONNECTED TO SAID SOURCE AND TO THE OUTPUTS OF TWO BIT COUNTERS IN SAID PLURALITY THEREOF, AND EACH OF SAID FIRST GATING MEANS ADAPTED TO PASS THE OUTPUT OF SAID SOURCE WHEN THE OUTPUT OF ITS RESPECTIVE BIT COUNTERS ARE IN A FIRST SELECTED RELATION; SECOND GATING MEANS OF THE "AND" VARIETY; MEANS CONNECTING EACH OF THE OUTPUTS OF SAID FIRST GATING MEANS TO SAID SECOND GATING MEANS; SAID SECOND GATING MEANS ADAPTED TO RESPOND TO IMPUT SIGNAL DEVIATIONS FROM A SECOND SELECTED RELATION; SIGNAL COMPARATOR MEANS, A PLURALITY OF SIGNAL TRANSFER MEANS INTERCONNECTING A FIRST INPUT OF SAID SIGNAL COMPARATOR MEANS AND RESPECTIVE BIT COUNTERS IN SAID PLURALITY THEREOF, EACH OF SAID SIGNAL TRANSFER MEANS INCLUDING GATING MEANS FOR SIGNAL INTERRUPTION CONTROL; MEANS CONNECTING THE OUTPUT OF ONE OF SAID FIRST GATING MEANS IN SAID PLURALITY THEREOF TO THE SIGNAL INTERRUPTION CONTROL GATING MEANS OF ONE OF SAID SIGNAL TRANSFER MEANS IN SAID PLURALITY THEREOF SUCH THAT IN THE PRESENCE OF AN OUTPUT SIGNAL FROM SAID ONE OF SAID FIRST GATING MEANS SAID ONE OF SAID SIGNAL TRANSFER MEANS IS OPERATIVE;
References Cited (Backward Citations)
US3017610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |