US3841081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic watch with a time display correcting device
Assignee: Seiko Instruments Inc
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Filing: 1973-07-10
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Granted: 1974-10-15
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Expires: 1993-07-10
Abstract
Abstract An electronic watch with a time display correcting device for use in correcting a time display thereof. Winding means are provided for correcting the time display in advancing and delaying modes. Switches change over the switching modes to the time display advancing and delaying correction modes as desired. Circuitry is provided for producing or reducing a signal representative of a predetermined interval of time when the switching means is operated whereby the time display is advanced or delayed by the predetermined interval of time to effect the time display correction. This provides convenience for time correction with enhanced reliability of the watch.
Inventors
- 👤 S Komaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:29
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/001; G04C3/005; G04G; G04G5/00; G04G5/02; G04G5/04; G04G5/043
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
172 words
An electronic watch with a time display correcting device for use in correcting the time display thereof, comprising an oscillator producing a signal of relatively high frequency, a divider receptive of the signal from said oscillator for generating a time signal pulse train, means receptive of the time signal pulse train from said divider for effecting a time display, means for correcting the time display selectively switchable into an advancing and a delaying mode comprising means for developing and superposing an additional pulse onto said time signal pulse train during a predetermined interval of time when the correcting means is in the time display correction advancing mode and for inhibiting a pulse from said time pulse train during said predetermined interval of time when said correcting means is in the time display correction delaying mode whereby the time display is advanced or delayed by said predetermined interval of time to effect the time display correction, and switChing means for selectively switching said correcting means into one of said advancing and delaying modes.
Claim 2
Dependent Claim
172 words
An electronic watch with a time display correcting device for use in correcting the time display thereof, comprising an oscillator producing a signal of relatively high frequency, a divider receptive of the signal from said oscillator for generating a time signal pulse train, means receptive of the time signal pulse train from said divider for effecting a time display, means for correcting the time display selectively switchable into an advancing and a delaying mode comprising means for developing and superposing an additional pulse onto said time signal pulse train during a predetermined interval of time when the correcting means is in the time display correction advancing mode and for inhibiting a pulse from said time pulse train during said predetermined interval of time when said correcting means is in the time display correction delaying mode whereby the time display is advanced or delayed by said predetermined interval of time to effect the time display correction, and switChing means for selectively switching said correcting means into one of said advancing and delaying modes.
Claim 3
Dependent Claim
34 words
An electronic watch according to claim 1, wherein said correcting means comprises determining means determining said predetermined interval of time so that it is n times one minute where n is a positive integer.
Claim 4
Dependent Claim
34 words
An electronic watch according to claim 1, wherein said correcting means comprises determining means determining said predetermined interval of time so that it is n times one second where n is a positive integer.
Claim 5
Dependent Claim
25 words
An electronic watch according to claim 3, wherein determining means includes means to control said positive integer so that it ranges from 1 to 10.
Claim 6
Dependent Claim
90 words
An electronic watch according to claim 1, wherein said switching means comprises a switching member rotatably mounted and slidably displaced along its rotational axis into a plurality of positions in a step manner, first contact means actuated when said switching member is rotated in one direction in one of said positions thereof so as to effect said time display correction advancing mode and second contact means actuated when said switching member is rotated in the other direction in same position so as to effect said time display reducing correction mode.
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) | 1977-10-14 | 1978-04-15 | 1978-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-14 | 1982-04-15 | 1982-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-14 | 1986-04-15 | 1986-10-15 | $7700.00 | Window Closed / Lapsed |