US4165604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar battery timepiece
Assignee: Citizen Watch Co Ltd
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Filing: 1977-06-06
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Granted: 1979-08-28
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Expires: 1997-06-06
Abstract
Abstract A solar battery timepiece has a structure of a module, a base plate on the module, a solar battery cell on the base plate, an insulating flexible sheet provided with a print wiring and interposed between the base plate and the solar battery cell, and a dial ring attached to the peripheral edge of the base plate whereby the solar battery timepiece may be made thin in thickness, small in size, simple in construction, shock resistant and reliable in operation.
Inventors
- 👤 Osamu Matsumura
- 👤 Yutaka Kato
- 👤 Tsunetoshi Sekiguchi
- 👤 Ryo Namiki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:01
CPC Classifications
G; G04; G04C; G04C10/00; G04C10/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
79 words
A solar battery timepiece comprising: (a) a module, (b) a base plate arranged on said module, (c) an insulating flexible sheet having a print wiring pattern thereon and mounted on said base plate, (d) a solar battery cell disposed on said insulating flexible sheet and connected to said print wiring pattern, and (e) a dial ring secured to the peripheral edge of said base plate through a dial ring frame located along the peripheral edge of said base plate.
Claim 2
Dependent Claim
79 words
A solar battery timepiece comprising: (a) a module, (b) a base plate arranged on said module, (c) an insulating flexible sheet having a print wiring pattern thereon and mounted on said base plate, (d) a solar battery cell disposed on said insulating flexible sheet and connected to said print wiring pattern, and (e) a dial ring secured to the peripheral edge of said base plate through a dial ring frame located along the peripheral edge of said base plate.
Claim 3
Dependent Claim
43 words
The solar battery timepiece according to claim 1 wherein said base plate is provided at its peripheral edge with a hole and said dial ring is provided at its lower surface with a leg which is inserted into said hole and secured thereto.
Claim 4
Dependent Claim
19 words
The solar battery timepiece according to claim 1 wherein said base plate is formed of a magnetically permeable material.
Claim 5
Dependent Claim
17 words
The solar battery timepiece according to claim 1 wherein said dial ring is formed of a metal.
Claim 6
Dependent Claim
44 words
The solar battery timepiece according to claim 1 wherein said solar battery cell is arranged at the center part of said flexible sheet and an electric circuit element is arranged at least at one part of the outer peripheral edge of said flexible sheet.
Claim 7
Dependent Claim
18 words
The solar battery timepiece according to claim 6 wherein said electric circuit element is a current limiting resistor.
Claim 8
Dependent Claim
19 words
The solar battery timepiece according to claim 5 wherein said electric current element is a reverse current blocking diode.
Claim 9
Dependent Claim
63 words
The solar battery timepiece according to claim 1 further comprising an hour hand and a minute hand, at least one of said hands rotating within said dial ring and in a plane located between a first plane defined by said base plate and a plane parallel to said first plane and defined by a side of said dial ring opposite said base plate.
References Cited (Backward Citations)
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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) | 1982-08-27 | 1983-02-26 | 1983-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-27 | 1987-02-26 | 1987-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-27 | 1991-02-26 | 1991-08-28 | $7700.00 | Window Closed / Lapsed |