US4079413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable electronic timepiece with selective display of time signal and television image
Assignee: Seiko Instruments Inc
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Filing: 1976-07-28
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Granted: 1978-03-14
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Expires: 1996-07-28
Abstract
Abstract A portable electronic timepiece comprises time keeping circuitry, television receiver circuitry and an indicator grid which can selectively visually display a time signal or a television image either wholly or partially in magnified form. Switching means is provided for selecting between display of the time signal and display of the television image and for selecting a portion of the television image to be magnified and displayed. Means is provided for indicating on the normal video picture the position of the portion selected for enlargement and display.
Inventors
- 👤 Shiro Yamashita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:24
CPC Classifications
G; G04; G04G; G04G21/00; G04G21/04; G04B; G04B47/00; H; H04; H04N; H04N5/00; H04N5/222; H04N5/262; H04N5/2628; H04N5/44
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
90 words
A portable electronic timepiece comprising electronic time-keeping means including means for producing reference pulses and means for counting said pulses to obtain a time signal, means for receiving a television video signal, indicating means for selectively visually displaying an image of said television video signal and said time signal and means for expanding a selected portion of said television video signal image for display by said indicating means, said indicating means including means for visually indicating the position of a portion of said television video signal image that is expanded.
Claim 2
Dependent Claim
90 words
A portable electronic timepiece comprising electronic time-keeping means including means for producing reference pulses and means for counting said pulses to obtain a time signal, means for receiving a television video signal, indicating means for selectively visually displaying an image of said television video signal and said time signal and means for expanding a selected portion of said television video signal image for display by said indicating means, said indicating means including means for visually indicating the position of a portion of said television video signal image that is expanded.
Claim 3
Dependent Claim
60 words
A portable electronic timepiece according to claim 1, in which said indicating means comprises first display means for displaying all or an expanded portion of said image of said television video signal and said image of said time signal and second display means for visually indicating the position of a portion of said television video signal image that is expanded.
Claim 4
Dependent Claim
44 words
A portable electronic timepiece according to claim 2, in which said first display means comprises a grid of crossed horizontal and vertical electrodes and a layer of material disposed between said electrodes and visually activated by coincident energization of horizontal electrodes and vertical electrodes.
Claim 5
Dependent Claim
37 words
A portable electronic timepiece according to claim 2, in which said second display means comprises selectively visually activatable display elements arranged in a pattern to outline different portion of the display area of said first display means.
Claim 6
Dependent Claim
27 words
A portable electronic timepiece according to claim 1, in which said timepiece is a wrist watch and said indicating means comprises the face of said wrist watch.
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) | 1981-03-13 | 1981-09-12 | 1982-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-13 | 1985-09-12 | 1986-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-13 | 1989-09-12 | 1990-03-14 | $7700.00 | Window Closed / Lapsed |