US3596462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic clock
Assignee: Individual
•
Filing: 1969-01-31
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Granted: 1971-08-03
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Expires: 1989-01-31
Abstract
Abstract An electronic clock in which the time is indicated by a combination of hour indications and decimal minute indications. A basic time input is successively divided by factors to provide signals that control lights, the lights including a first series of lights to indicate the hour, a second series of lights to indicate the tens digit of the minute, and a third series of lights to indicate the units digit of the minute.
Inventors
- 👤 Royce Hayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:01
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/02; G04G9/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
265 words
An electronic clock including means for providing a basic time first dividing means for dividing said basic time input by a factor to provide 1-minute indications to give the units digit of the minute of the day, second dividing means for dividing by a factor to provide 10-minute indications to give the tens digit of the minute of the day, and third dividing means for dividing by a factor to provide 1-hour indications to give the hours of the day, each of said first dividing means, said second dividing means and said third dividing means including a series of flipflops having a first state and a second state, manual switch means to selectively change each of said flip-flops from the said second state to the said first state a first plurality of lamps comprising one lamp for each hour to be indicated, a second plurality of lamps comprising one lamp for each tens of minutes to be indicated, a third plurality of lamps comprising one lamp for each unit of minutes to be indicated, a plurality of or gates, each of the said plurality of or gates having a lamp driver electrically connected thereto, and a plurality of inputs wherein each of said plurality of inputs is electrically connected on one of the said flip-flops to trigger the said lamp driver when the flip-flop is in a given state and each of said lamps is connected to one of said lamp drivers. CM,2Ectronic clock according to claim 1 and including switch means to place all of the said flip-flops simultaneously in the said second state.
Claim 2
Dependent Claim
28 words
An electronic clock according to claim 1 in which said first plurality of lamps is arranged substantially in a circle as the hour indications of a clock face.
Claim 3
Dependent Claim
48 words
An electronic clock according to claim 3 in which said second plurality of lamps is arranged in a staggered row within the first plurality of lamps, and the said third plurality of lamps is arranged in a staggered row substantially parallel to the said second plurality of lamps.
Claim 4
Dependent Claim
30 words
An electronic clock according to claim 2 in which the time of day indicated is 12 o''clock when said all of the said flip-flops are in the said second state.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |