US3800523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quartz crystal wrist watch
Assignee: Suwa Seikosha KK
•
Filing: 1971-07-27
•
Granted: 1974-04-02
•
Expires: 1991-07-27
Abstract
Abstract A quartz crystal wrist watch wherein means are provided for removably mounting along the periphery of the watch the battery power source, the oscillator and associated circuitry and an electro-mechanical converter. The electro-mechanical converter is provided with a rotor coupled to the gear train of the watch positioned in the central portion thereof. The oscillator and associated circuitry are removably mounted in said watch by means of a resin case adapted to carry said oscillator and associated circuitry.
Inventors
- 👤 S Yamazaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:16
CPC Classifications
G; G04; G04F; G04F5/00; G04F5/04; G04F5/06; G04F5/063; G04C; G04C3/00; G04C3/008; G04G; G04G17/00; G04G17/02
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
177 words
In a quartz crystal wrist watch, the improvement which comprises time standard crystal oscillator means; circuit means for producing a driving signal for said wrist watch in conjunctIon with said time standard oscillator means, said circuit means including fine adjustment means for adjusting the frequency of said oscillator means, a temperature compensating element, an electrical oscillation circuit means, an electrical divider circuit means coupled to the output of oscillation circuit for reducing the output frequency of said oscillation circuit and an electrical driving circuit means for producing said driving signal; and case means for receiving and carrying said time standard oscillator means and said circuit means and adapted for removable mounting in said watch, said case means being formed with a first channel in one side thereof dimensioned for receipt of said time standard oscillator means, a second channel in said one side thereof for receiving said fine adjustment means and a third channel in the opposed side of said case means for receiving said oscillation circuit means, said divider circuit means and said driving circuit means.
Claim 2
Dependent Claim
177 words
In a quartz crystal wrist watch, the improvement which comprises time standard crystal oscillator means; circuit means for producing a driving signal for said wrist watch in conjunctIon with said time standard oscillator means, said circuit means including fine adjustment means for adjusting the frequency of said oscillator means, a temperature compensating element, an electrical oscillation circuit means, an electrical divider circuit means coupled to the output of oscillation circuit for reducing the output frequency of said oscillation circuit and an electrical driving circuit means for producing said driving signal; and case means for receiving and carrying said time standard oscillator means and said circuit means and adapted for removable mounting in said watch, said case means being formed with a first channel in one side thereof dimensioned for receipt of said time standard oscillator means, a second channel in said one side thereof for receiving said fine adjustment means and a third channel in the opposed side of said case means for receiving said oscillation circuit means, said divider circuit means and said driving circuit means.
Claim 3
Dependent Claim
28 words
A quartz crystal wrist watch as recited in claim 1, including a fourth channel in said one side of said case means for receiving said temperature compensating element.
Claim 4
Dependent Claim
28 words
A quartz crystal wrist watch as recited in claim 1, wherein said second and third channels are in essentially overlapping relation on opposed sides of said case means.
Claim 5
Dependent Claim
34 words
A quartz crystal wrist watch as recited in claim 1, wherein said time standard oscillator means is mounted in a substantially cylindrical housing means, said first channel being dimensioned to receive said housing means.
Claim 6
Dependent Claim
166 words
In a quartz crystal watch, the improvment which comprises time standard oscillator means of the tuning fork type of crystal oscillator having a frequency of more than 16 kHz; and circuit means for producing a driving signal for said wrist watch in conjunction with said time standard oscillator means, said circuit means including an electrical oscillation circuit means coupled to said time standard oscillator means for maintaining the frequency of said oscillator, an electrical divider circuit means for receiving the high frequency signal produced by said time standard oscillator means and electrical oscillation circuit means for producing an output signal of reduced frequency, and an electrical driving circuit means for producing said driving signal in response to said output signal, said electrical oscillation circuit means and said divider circuit means including MOS component means, said driving circuit means including integrated circuits and case means for receiving and carrying said time standard oscillator means and said circuit means and adapted for removable mounting in said watch case.
Claim 7
Dependent Claim
166 words
In a quartz crystal watch, the improvment which comprises time standard oscillator means of the tuning fork type of crystal oscillator having a frequency of more than 16 kHz; and circuit means for producing a driving signal for said wrist watch in conjunction with said time standard oscillator means, said circuit means including an electrical oscillation circuit means coupled to said time standard oscillator means for maintaining the frequency of said oscillator, an electrical divider circuit means for receiving the high frequency signal produced by said time standard oscillator means and electrical oscillation circuit means for producing an output signal of reduced frequency, and an electrical driving circuit means for producing said driving signal in response to said output signal, said electrical oscillation circuit means and said divider circuit means including MOS component means, said driving circuit means including integrated circuits and case means for receiving and carrying said time standard oscillator means and said circuit means and adapted for removable mounting in said watch case.
Claim 8
Dependent Claim
98 words
A quartz crystal wrist watch as recited in claim 5, including battery power source means adapted for removable mounting in said watch and for releasable electrical connection to said circuit means for energizing said circuit means; electro-mechanical converter means releasably electrically connected to said circuit means for receiving said driving signal therefrom; drive train means mechanically coupled to said electro-mechanical converter means for being driven thereby, said drive train means, electro-mechanical converter means, battery power source means, and said case means carrying said time standard oscillator means and circuit means being positioned in side-by-side relation in said watch.
Claim 9
Dependent Claim
20 words
A quartz crystal wrist watch as recited in claim 1, wherein said case means is formed from an elastic resin.
Claim 10
Dependent Claim
42 words
A quartz crystal wrist watch as recited in claim 4, wherein said case means includes a holder means removably mounted to said first-mentioned side of said case means for retaining said housing means and said fine adjustment means in said case means.
Claim 11
Dependent Claim
28 words
A quartz crystal wrist watch as recited in claim 8, wherein at least a portion of said holder means is formed of a metal for providing capacitive shielding.
Claim 12
Dependent Claim
57 words
A quartz crystal wrist watch as recited in claim 2, including screw-operated terminal means cooperating with said case means for providing releasable interconnection between said time standard oscillator means, said fine adjustment means, said temperature compensating element, and the combination of said electrical oscillation circuit means, said electrical divider circuit means, and said electrical driving circuit means.
Claim 13
Dependent Claim
51 words
A quartz crystal wrist watch as recited in claim 10, wherein said combination of said electrical oscillation circuit means, electrical divider circuit means, and electrical driving circuit means is provided with output and input leads, positioned adjacent opposed ends of said case means and formed to permit releasable electrical connection therewith.
Claim 14
Dependent Claim
79 words
A quartz crystal wrist watch as recited in claim 6, including a substantially round plate, said electro-mechanical converter being a step motor having a driving coil and a rotor; said step motor driving coil, said battery power source, and said case means incorporating said time standard oscillator means and said circuit means being positioned on the peripheral region of said plate, said step motor rotor and said drive train means being positioned in the central portion of said plate.
Claim 15
Dependent Claim
80 words
A quartz crystal wrist watch as recited in claim 12, including a stem operatively coupled to said drive train and positioned at the 3 o''clock position on said plate, said battery power source means being positioned at the 12 o''clock position on said plate; said case means carrying said time standard oscillator means and said circuit means being positioned adjacent said battery power source means; and said step motor driving coil being positioned intermediate said stem and said case means.
Claim 16
Dependent Claim
71 words
A quartz crystal wrist watch as recited in claim 6, wherein said circuit means includes input and output terminal means positioned respectively on opposed ends of said case means, said input terminal means being adjacent said battery power source means, and including screw-operated terminal means for releasably connecting said battery means to said circuit means input terminal means and said step motor driving coil to said circuit means output terminal means.
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |