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US3822545A Expired / Lapsed US ⏱️ 0.0 years remaining

Electromechanical digital readout clock

Assignee: Data Time Inc
•
Filing: 1972-12-22
•
Granted: 1974-07-09
•
Expires: 1992-12-22
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Abstract

Abstract An electromechanical digital readout clock including electrical digital readout devices. The readout devices are operated by different, periodically closed electrical circuits that are established through contacts (connected to the devices) engaged by conductors carried by a plurality of interengageable, intermittently driven rotors.

Inventors

  • 👤 K Catto
  • 👤 H Burt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 19:28
CPC Classifications
G; G04; G04G; G04G9/00; G04G9/0076; G04B; G04B19/00; G04B19/22

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 93 words
In an electromechanical clock including a plurality of selectively electrically operable digital time-readout means: plural conductor means connected to different ones of said timereadout means; plural intermittently drivingly interengageable rotors positioned adjacent said conductor means, each rotor carrying for rotation as a unit therewith an electrically conductive wiper engageable selectively with different ones of said conductor means with turning of the rotor, a wiper and a conductor means when engaged forming part of an electrical circuit for operating a time-readout means; and time-base drive means positioned adjacent said rotors for driving the same.
Claim 2
Dependent Claim 93 words
In an electromechanical clock including a plurality of selectively electrically operable digital time-readout means: plural conductor means connected to different ones of said timereadout means; plural intermittently drivingly interengageable rotors positioned adjacent said conductor means, each rotor carrying for rotation as a unit therewith an electrically conductive wiper engageable selectively with different ones of said conductor means with turning of the rotor, a wiper and a conductor means when engaged forming part of an electrical circuit for operating a time-readout means; and time-base drive means positioned adjacent said rotors for driving the same.
Claim 3
Dependent Claim 53 words
The clock of claim 1 which further comprises detent means for each rotor acting on the rotor, each detent means tending to maintain its associated rotor in a fixed angular position until the same is driven, and under the latter circumstance effecting accelerated turning of the rotor toward a new fixed angular position.
Claim 4
Dependent Claim 14 words
The clock of claim 1, wherein said drive means comprises a synchronous AC motor.
Claim 5
Dependent Claim 136 words
In an electromechanical clock including a plurality of selectively electrically operable digital time-readout means: plural conductor means connected to different ones of said time-readout means; plural intermittently drivingly interengageable rotors positioned adjacent said conductor means, each rotor carrying an electrically conductive wiper engageable selectively with different ones of said conductor means with turning of the rotor, a wiper and a conductor means when engaged forming part of an electrical circuit for operating a time-readout means; the conductor means engageable by a wiper in one of said rotors comprising a plurality of conductive expanses, said conductive expanses being disposed on a wheel mounted adjacent said one rotor for selective independent rotation relative to, and on substantially the same rotational axis provided for, said one rotor; and time-base drive means positioned adjacent said rotors for driving the same.
Claim 6
Dependent Claim 136 words
In an electromechanical clock including a plurality of selectively electrically operable digital time-readout means: plural conductor means connected to different ones of said time-readout means; plural intermittently drivingly interengageable rotors positioned adjacent said conductor means, each rotor carrying an electrically conductive wiper engageable selectively with different ones of said conductor means with turning of the rotor, a wiper and a conductor means when engaged forming part of an electrical circuit for operating a time-readout means; the conductor means engageable by a wiper in one of said rotors comprising a plurality of conductive expanses, said conductive expanses being disposed on a wheel mounted adjacent said one rotor for selective independent rotation relative to, and on substantially the same rotational axis provided for, said one rotor; and time-base drive means positioned adjacent said rotors for driving the same.
Claim 7
Dependent Claim 137 words
An electromechanical clock comprising: a plurality of selectively electrically operable digital time-readout means; plural conductor means connected to different ones of said time-readout means; plural intermittently drivingly interengageable rotors positioned adjacent said conductor means, each rotor carrying for rotation as a unit therewith an electrically conductive wiper engageable selectively with different ones of said conductor means with turning of the rotor, a wiper and a conductor means when engaged forming part of an electrical circuit for operating a time-readout means; detent means for each rotor acting on the rotor, each detent means tending to maintain its associated rotor in a fixed angular position until the same is driven, and under the latter circumstance effecting accelerated turning of the rotor toward a new fixed angular position; and time-base drive means positioned adjacent said rotors for driving the same.
Claim 8
Dependent Claim 137 words
An electromechanical clock comprising: a plurality of selectively electrically operable digital time-readout means; plural conductor means connected to different ones of said time-readout means; plural intermittently drivingly interengageable rotors positioned adjacent said conductor means, each rotor carrying for rotation as a unit therewith an electrically conductive wiper engageable selectively with different ones of said conductor means with turning of the rotor, a wiper and a conductor means when engaged forming part of an electrical circuit for operating a time-readout means; detent means for each rotor acting on the rotor, each detent means tending to maintain its associated rotor in a fixed angular position until the same is driven, and under the latter circumstance effecting accelerated turning of the rotor toward a new fixed angular position; and time-base drive means positioned adjacent said rotors for driving the same.
Claim 9
Dependent Claim 166 words
An electromechanical clock comprising: plural electrically operated time-readout means including an hours readout means and a minutes readout means; a minutes circuit including multiple switches which are oPened and closed to control the minutes readout means; an hours circuit including multiple switches which are opened and closed to control the hours readout means; a minutes rotor which on incremental rotation, actuates different switches on the minutes circuit to produce different minutes readings in the minutes readout means, and an hours rotor which on incremental rotation actuates different switches of the hours circuit to produce different hours readings in the hours readout means; said rotors being arranged whereby rotation of one regularly causes rotation of the other; and a selectively movable time zone change adjuster, and means whereby movement of the time zone change adjuster produces movement of a portion of the hours circuit relative to the hours rotor to produce actuation of switches in the hours circuit changing the hours reading in the hours readout means.
Claim 10
Dependent Claim 166 words
An electromechanical clock comprising: plural electrically operated time-readout means including an hours readout means and a minutes readout means; a minutes circuit including multiple switches which are oPened and closed to control the minutes readout means; an hours circuit including multiple switches which are opened and closed to control the hours readout means; a minutes rotor which on incremental rotation, actuates different switches on the minutes circuit to produce different minutes readings in the minutes readout means, and an hours rotor which on incremental rotation actuates different switches of the hours circuit to produce different hours readings in the hours readout means; said rotors being arranged whereby rotation of one regularly causes rotation of the other; and a selectively movable time zone change adjuster, and means whereby movement of the time zone change adjuster produces movement of a portion of the hours circuit relative to the hours rotor to produce actuation of switches in the hours circuit changing the hours reading in the hours readout means.
Claim 11
Dependent Claim 22 words
The clock of claim 4 which further comprises means for adjusting said wheel to different selected angular positions about said rotational axis.
Claim 12
Dependent Claim 24 words
The clock of claim 7, wherein certain ones of said conductive expanses are each associated with different hour readings produceable by said time-readout means.
Claim 13
Dependent Claim 114 words
A clock comprising: plural selectively electrically operable digital time-readout means; plural conductor means connected to different ones of said time-readout means, said conductor means comprising plural conductive expanses distributed in plural generally circular clusters; plural intermittently drivingly interengageable rotors, one for each of said clusters, each rotor being mounted adjacent its associated cluster for rotation about the axis of the cluster, and each rotor carrying an electrically conductive wiper engageable selectively with different ones of the conductive expanses in the associated cluster, a wiper and a conductive expanse when engaged forming part of an electrical circuit for operating a time-readout means; and a synchronous AC motor positioned adjacent said rotors for driving the same.
Claim 14
Dependent Claim 114 words
A clock comprising: plural selectively electrically operable digital time-readout means; plural conductor means connected to different ones of said time-readout means, said conductor means comprising plural conductive expanses distributed in plural generally circular clusters; plural intermittently drivingly interengageable rotors, one for each of said clusters, each rotor being mounted adjacent its associated cluster for rotation about the axis of the cluster, and each rotor carrying an electrically conductive wiper engageable selectively with different ones of the conductive expanses in the associated cluster, a wiper and a conductive expanse when engaged forming part of an electrical circuit for operating a time-readout means; and a synchronous AC motor positioned adjacent said rotors for driving the same.
Claim 15
Dependent Claim 53 words
The clock of claim 9 which further comprises detent means for each rotor acting on the rotor, each detent means tending to maintain its associated rotor in a fixed angular position until the rotor is driven, and under the latter circumstance effecting accelerated turning of the rotor toward a new fixed angular position.

References Cited (Backward Citations)

US3015094A Cited
US3003305A Cited
US3186158A Cited
US3475747A Cited
US3358277A Cited
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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) 1977-07-08 1978-01-07 1978-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-07-08 1982-01-07 1982-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-07-08 1986-01-07 1986-07-09 $7700.00 Window Closed / Lapsed

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