Patent US4254487A successfully refreshed from Google Patents.
US4254487A
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Electronic time piece
Assignee: Individual
•
Filing: 1979-06-18
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Granted: 1981-03-03
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Expires: 1999-06-18
Abstract
Abstract An electronic timing device having first individual visual display elements numbering sixty positioned to resemble the seconds and/or minutes of a conventional clock, second individual visual display elements numbering twelve positioned for resembling the hour position of a conventional clock, third individual visual display elements numbering seven and representing the seven days of a week and a logic circuit included to provide for sequentially displaying the second, minute and/or date on the first visual display elements, for sequentially displaying the hour and/or the month on the second visual display elements, displaying the day of the week on the third visual display elements for displaying AM or flashing the third indicating visual elements for indicating PM. An (optional) feature provides a selection of time in various selected different time zones.
Inventors
- 👤 Shu-Tso Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:33
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/02; G04G9/04; G04G9/047; G04G9/0076
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
154 words
An electronic timepiece having a horologic display comprising: a first plurality of identical single individual display elements arranged in conventional analog clock minute-second sequence; a second plurality of identical single individual display elements arranged in conventional analog clock hour sequence; a timing means; logic means controlled by said timing means connected to said display elements for alternately producing the minute and second indications at conventional analog clock locations each indication producing a steady state appearance on said first plurality of individual display elements and said logic means producing hour indications having a steady state appearance on said second plurality of individual display elements; first means for selectively cancelling said minute and second indications and displaying the date of the month indication in place thereof at a corresponding numbered minute location; and second means for selectively cancelling said hour indications and displaying the month number indication in place thereof at a corresponding numbered hour location.
Claim 2
Dependent Claim
154 words
An electronic timepiece having a horologic display comprising: a first plurality of identical single individual display elements arranged in conventional analog clock minute-second sequence; a second plurality of identical single individual display elements arranged in conventional analog clock hour sequence; a timing means; logic means controlled by said timing means connected to said display elements for alternately producing the minute and second indications at conventional analog clock locations each indication producing a steady state appearance on said first plurality of individual display elements and said logic means producing hour indications having a steady state appearance on said second plurality of individual display elements; first means for selectively cancelling said minute and second indications and displaying the date of the month indication in place thereof at a corresponding numbered minute location; and second means for selectively cancelling said hour indications and displaying the month number indication in place thereof at a corresponding numbered hour location.
Claim 3
Dependent Claim
29 words
The invention as defined in claim 1, additionally comprising a third plurality of individual analog display elements connected to said logic means for producing day of the week indications.
Claim 4
Dependent Claim
27 words
The invention as defined in claim 1, wherein said first plurality of individual display elements number sixty and said second plurality of individual display elements number twelve.
Claim 5
Dependent Claim
17 words
The invention as defined in claim 2, wherein said third plurality of individual display elements number seven.
Claim 6
Dependent Claim
18 words
The invention as defined in claims 1 or 2, wherein said individual display elements are liquid crystal displays.
Claim 7
Dependent Claim
18 words
The invention as defined in claims 1 or 2, wherein said individual display elements are light emitting diodes.
Claim 8
Dependent Claim
19 words
The invention as defined in claims 1 or 2, wherein said individual analog display elements are light producing means.
Claim 9
Dependent Claim
32 words
The invention as defined in claim 2, wherein said logic means further provides the indicating display element of said third plurality of individual analog display elements with AM and PM indication signals.
Claim 10
Dependent Claim
39 words
The invention as defined in claims 1 or 2, wherein additional means is provided for a high speed advance of a selected portion of said logic means for displaying a selected indication on said plurality of individual display elements.
Claim 11
Dependent Claim
15 words
The invention as defined in claim 1, wherein, said timing means comprises a reference frequency.
Claim 12
Dependent Claim
21 words
The invention as defined in claim 10, wherein, said reference frequency is 60 Hz derived from a 60 Hz convenience outlet.
Claim 13
Dependent Claim
21 words
The invention as defined in claim 10, wherein said reference frequency is 50 Hz derived from a 50 Hz convenience outlet.
Claim 14
Dependent Claim
18 words
The invention as defined in claim 10, wherein said reference frequency is derived from a crystal controlled oscillator.
Claim 15
Dependent Claim
40 words
The invention as defined in claims 1 or 2, wherein said logic means comprises a seconds, minutes, hours, days, date and month counters interconnected to a switching means for properly alternating and sequencing said plurality of individual analog display elements.
Claim 16
Dependent Claim
26 words
The invention as defined in claim 14, wherein said switching means comprises a demultiplexer means and a time sharing means for alternately displaying seconds and minutes.
Claim 17
Dependent Claim
37 words
The invention as defined in claims 1 or 2, further comprising a means for manually selecting any one of the twenty-four world time zones and displaying approximate information in relation thereto on said plurality of individual elements.
Claim 18
Dependent Claim
35 words
The invention as defined in claim 1, wherein said logic means further comprises control means for controlling said first means for periodically alternating between displaying minute and second indications and date of the month indications.
Claim 19
Dependent Claim
31 words
The invention as defined in claim 1, wherein said logic means further comprises control means for controlling said second means for periodically alternating between displaying the hour and the month indications.
Claim 20
Dependent Claim
43 words
The invention as defined in claim 1, wherein said logic means further comprises control means for controlling said first and second means for periodically alternating between displaying minute and second indications and date of the month indications and displaying hour and month indications.
Claim 21
Dependent Claim
37 words
The invention as defined in claim 19, wherein the date and month will be displayed three times a minute for a four second period and the second, minute and hour will be displayed at all other times.
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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) | 1984-03-02 | 1984-09-01 | 1985-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-02 | 1988-09-01 | 1989-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-02 | 1992-09-01 | 1993-03-03 | $7700.00 | Window Closed / Lapsed |