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| Number | Title | Issue Date |
| 4043118 | Pendulum device for battery-powered clockwork mechanism A battery-powered clockwork mechanism and a separate pendulum unit which is detachably connected to the clockwork mechanism. When so connected the pendulum device is powered by the battery in the clockwork mechanism but operates as a "blind" pendulum whic... | 08/23/1977 |
| 4043113 | Electric watch battery retainer Electric watch has its battery held in the battery block in the watch module by means of a retainer spring which resiliently engages the batteries to urge them into proper installed position. Fingers on the spring resiliently engage in the spacer block to... | 08/23/1977 |
| 4040247 | Clock drive apparatus Apparatus for driving a timing device from an external AC power source and, in the event that the AC power source fails, from an auxiliary DC source. The driving apparatus includes a pulse producing circuit which produces periodic pulses in response to ti... | 08/09/1977 |
| 4037400 | Drive device for electric clock A polarized drive rotor having opposite polarity poles is rotatably arranged in the magnetic field developed by a coreless field coil and a polarized auxiliary rotor also having opposite polarity poles is arranged and magnetically coupled to the drive rot... | 07/26/1977 |
| 4037399 | Electronic timepiece battery potential detecting circuitry An electronic timepiece battery-potential detecting circuit uneffected by temperature changes is provided. The electronic timepiece includes a D.C. power source such as a battery for providing an effective potential for energizing the timekeeping circuitr... | 07/26/1977 |
| 4033110 | Solid-state electronic watch assembly A solid-state electronic timepiece movement receivable within a watch case having an end window therein. The movement includes a plastic block provided at its forward end with a ledge on which is seated a module. Mounted on the obverse face of the module ... | 07/05/1977 |
| 4020627 | Liquid crystal display electronic watch A liquid crystal display electronic watch comprises a metal substrate, whose upside and downside surfaces are insulated by a flexible print sheet. A liquid crystal cell and a time keeping decoder drive circuit are arranged on the upside of the substrate a... | 05/03/1977 |
| 4019313 | Liquid crystal watch module An improved electronic watch module easily manufactured and easily repaired has a housing lower half containing at least one watch integrated circuit electrically connected to a quartz crystal and a potential source. A switch in the housing lower half is ... | 04/26/1977 |
| 4012899 | Micro motor for a timepiece A micro motor for a timepiece comprises a curved magnetic core, a coil winding wound on the magnetic core, a stator connected to the magnetic core to define therewith a closed magnetic flux path and having an opening therein in which a rotor is rotatably ... | 03/22/1977 |
| 4009564 | Electronic watch construction Electronic watch module is constructed of a spacer block, a substrate on the spacer block carrying electronic components thereon, and a cover over some of the electronic components. Basic rate control of the electronic watches is provided by a crystal whi... | 03/01/1977 |
| 4008566 | Electronic watch generator An electronic watch generator in which the wrist of the wearer is turned until the angle of inclination of the watch and, thus, the rotor, is sufficient to enable gravity to overcome a magnetic latching force which holds the rotor in place. The rotor is a... | 02/22/1977 |
| 4008429 | Voltage translator for solid state watch A voltage translator for increasing the voltage available from the battery of an electrically energized watch so as to supply power for components requiring higher operating voltages. An inductor is switched into and out of the battery circuit using sharp... | 02/15/1977 |
| 3999369 | Electromechanical watch movement A low-cost electromechanical watch movement comprises a step-by-step motor including a multipolar rotor mounted for rotation within an encased stator and carrying driving pallets operatively engaging with a time-display gear train. The stator and rotor ea... | 12/28/1976 |
| 3992870 | Watertight nonconductive electronic watchcase including conductive internal plate An electrically nonconductive watchcase for use with electronic timepieces is disclosed. By means of an internal plate electricity is conducted from the energy cells to the integrated circuit and display package without the need for utilizing the watchcas... | 11/23/1976 |
| 3991554 | Watch construction Watch module comprises electronic substrate carrying electronic logic devices, connections and display. Spacer is clamped against the substrate for holding the batteries and making connection therewith. Openings in spacer contain contacts in the form of c... | 11/16/1976 |
| 3986334 | Electronic watch and its method of fabrication A self-encased electronic watch is fabricated by mounting a semiconductor integrated circuit chip on a metal lead frame. Connectors are utilized to connect the circuit to selected lead frame conductors. The semiconductor chip incorporates all of the elect... | 10/19/1976 |
| 3986335 | Electronic watch module and its method of fabrication An electronic watch module is fabricated by mounting a semiconductor integrated circuit chip on a metal lead frame. Connectors are utilized to connect the circuit to selected lead frame conductors. The semiconductor chip incorporates all of the electronic... | 10/19/1976 |
| 3986199 | Bipolar logic having graded power An electronic timekeeping system is implemented in bipolar integrated circuit technology for displaying time by way of a digital display. The bipolar circuitry is implemented utilizing integrated injection logic and the countdown chain utilizes flip-flops... | 10/12/1976 |
| 3984972 | Transducer for quartz crystal timepiece An improved quartz crystal timepiece transducer wherein torque of the rotor is maximized, and energy consumption is reduced is provided. The transducer includes a permanent magnet rotor having two opposite polarity poles, the rotor being formed with respe... | 10/12/1976 |
| 3983689 | Electronic watch construction Electronic substrate of the electronic watch is the principal carrier of the electronics and electrical interconnections. It carries two alignment notches with top and bottom spacers embracing the substrate and engaging the alignment notches. The visual h... | 10/05/1976 |
| 3978651 | Step motor for quartz crystal electronic timepiece A step motor particularly suited for use in a quartz crystal electronic timepiece and adapted to minimize adjustment and fixing of the step motor is provided. The step motor includes a coil adapted to receive a timekeeping signal of a predetermined freque... | 09/07/1976 |
| 3977176 | Electronic watch structure An electronic watch structure comprising separate molded plastic rectangular packages for the electronic watch movement and for the battery. The separate packages are mechanically and electrically connected together. The electronic watch movement package ... | 08/31/1976 |
| 3973706 | Connection from watchband-carried battery to electronic watch An electronic watch with watchband-carried batteries in which an electrical conductor completes the circuit from battery to watch. A standard, removably fastened watch part is used to securely fasten the conductor to the watch case. In one embodiment an e... | 08/10/1976 |
| 3971204 | Circuit for driving a DC motor for a clock A circuit for a clock having a time indicating mechanism is connected to regulate the driving of a DC motor by a predetermined amount at predetermined time intervals, so as to actuate the time indicating mechanism without being affected by the variation i... | 07/27/1976 |
| 3968640 | Digital watch with elastomer housing block and flexible printed circuitry A digital watch having an elastomer spacer block which houses the watch batteries, the oscillator crystal, and the substrate with its electronics and optical display elements mounted thereon; all in the same cavity. Said digital watch also has a flexible ... | 07/13/1976 |
| 3968417 | Clock-radio with automatically selected battery power A clock radio including, within the housing for the clock radio, a relay coil connected across a line cord for the clock radio, normally open relay contacts connected for passing power to the clock radio from the line cord and normally closed relay contac... | 07/06/1976 |
| 3965665 | Electronic watch construction Electronic watch is constructed with a ceramic substrate as the principal support of the time computer and memory. The substrate may also carry other devices such as printed circuitry, oscillator and the optical display. Battery connection contacts are po... | 06/29/1976 |
| 3945193 | Battery holder A holder unit of an electronic watch for holding a battery for the latter in position within the interior space of the casing of the watch, in which a holding member is attached to the watch casing, main portion of the holding member being arranged in a h... | 03/23/1976 |
| 3943695 | Quartz crystal controlled timekeeping apparatus This invention relates to electric clocks and chart recorders driven by crystal controlled electric motors. The motor includes two stator plates, a rotor and a drive coil surrounding the legs of the stator plates. The rotor carries a pinion which drives t... | 03/16/1976 |
| 3943698 | Rotor for electronic wristwatch step motor A high performance rotor for an electronic wristwatch step motor and method of forming same is provided. A rotor pinion has a high performance permanent magnet rotor mounted thereto. The permanent magnet rotor includes a brittle permanent magnet core, and... | 03/16/1976 |
| 3943699 | Ultra thin electronic watch The thickness of an electronic watch body may be substantially reduced by having portions of the top surface of the watch extend above the remainder of the top surface. Components of the watch which otherwise result in requiring a thick watch body, such a... | 03/16/1976 |
| 3942316 | Sectioned casing for electronic watches A casing for an electronic watch whose movement is powered by one or more miniature battery cells. The casing has a generally rectangular form and a back opening surrounded by a flange. The casing is divided into two sections, one of which is occupied by ... | 03/09/1976 |
