# US 4,392,748 A · Quartz crystal watch > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,392,748 A - Document ID: US4392748A - Status: Granted - Kind: A - Application number: 06/204,730 - Filed: 1980-11-06 - Granted: 1983-07-12 - Earliest claimed: 1979-11-06 - Assignees: Kabushiki Kaisha Suwa Seikosha - Inventors: Masahito Yoshino - Web page: https://patentgrep.com/patent/US4392748A ## CPC - G04C 3/008: {Mounting, assembling of components} - G04C 9/00: Electrically-actuated devices for setting the time-indicating means (of secondary clocks G04C13/03) - G04C: ELECTROMECHANICAL CLOCKS OR WATCHES ## Abstract A quartz crystal analog watch has a circuit block and mechanical elements on one side of a frame plate and the battery power source resting on an insulating plate on the other side of the frame plate. The diameter of the movement approximates the battery diameter. ## Claims ### Claim 1 A quartz crystal watch comprising: a movement, said movement including: vibrator means providing a standard frequency signal; a MOS integrated circuit having electronic circuit means for operating on said standard frequency signal and outputting signals for driving motor means; motor means for converting said output signals from said electronic circuit means into mechanical motion, said motor means including a permanent magnet rotor, plate-type stator, and driving coil, said rotor, stator and coil not overlapping one another; a gear train cooperating with said motor means to drive a display; and a frame plate supporting said rotor and said gear train, said MOS integrated circuit and said driving coil being positioned in approximately opposite positions on said frameplate, and said gear train being positioned between said MOS integrated circuit and said driving coil; a battery positioned on one side of said frame plate, the area of said movement being substantially equal to the area of said battery; an insulating plate positioned between said battery and said one side of said frame plate, said vibrator means, circuit means, motor means and gear train being positioned on the other side of said frame plate, said battery being positioned to overlap said driving coil, said MOS integrated circuit and said gear train; and a battery lead plate for connecting said battery with said MOS integrated circuit, at least a part of said lead plate being positioned in contacting opposition with an outer peripery portion of said battery, said battery lead plate supporting said battery relative to said movement and said frame plate. ### Claim 2 (depends on 1) A quartz crystal watch as claimed in claim 1, wherein said battery is circular, said movement is substantially circular, the circular centers of said battery and movement being coaxial. ### Claim 3 (depends on 2) A quartz crystal watch as claimed in claim 2, wherein the diameter of said battery and the diameter of said movement are equal, whereby a small watch may be produced. ### Claim 4 (depends on 1, 2) A quartz crystal watch as claimed in claim 1 or 2, and further comprising at least one aperture through said frame plate and said insulating plate, and conducting means on a portion of a surface of said insulating plate, said conducting means contacting one polarity terminal of said battery and extending through said at least one aperture to connect said circuit means to said one polarity battery voltage terminal. ### Claim 5 (depends on 4) A quartz crystal watch as claimed in claim 4, wherein said battery lead plate contacts the other polarity terminal of said battery at said peripheral portion, and extends to connect said circuit means to said other polarity battery voltage terminal. ### Claim 6 (depends on 5) A quartz crystal watch as claimed in claim 5, wherein said MOS integrated circuit is mounted on a circuit board, said board having lead patterns formed on a surface thereof, and said integrated circuit and said vibrator means being connected to said circuit board, said conducting means and said lead plate connecting with separate terminals on said circuit board. ### Claim 7 (depends on 1, 3) A quartz crystal watch as claimed in claim 1 or 3, wherein said movement further comprises mechanical setting means including a stem. ### Claim 8 (depends on 7) A quartz crystal watch as claimed in claim 7, wherein said gear train includes a plurality of interconnected wheels and pinions, said winding stem being radially oriented on said movement and the centers of said plurality of wheels being substantially on a line transverse to said stem and dividing the circular area of said movement into a first and a second portion. ### Claim 9 (depends on 10) A quartz crystal watch as claimed in claim 10, wherein said circuit means and vibrator means are in said first circular portion adjacent said stem, and said coil, stator, and rotor are in the second circular portion opposite from said stem. ### Claim 10 (depends on 9) A quartz crystal watch as claimed in claim 9, wherein said setting means are located within said first circular portion. ### Claim 11 (depends on 10) A quartz crystal watch as claimed in claim 10, wherein said plurality of wheels overlap a portion of said first circular portion. ### Claim 12 (depends on 11) A quartz crystal watch as claimed in claim 11, wherein each said wheel includes a toothed wheel, and at least one toothed wheel overlaps the rotational center of another toothed wheel. ### Claim 13 (depends on 8) A quartz crystal watch as claimed in claim 8, wherein said transverse line bisects the circular area of said movement into substantially equal portions. ### Claim 14 (depends on 1, 3) A quartz crystal watch as claimed in claim 1 or 3, wherein said vibrator means is a quartz crystal vibrator. ### Claim 15 (depends on 6) A quartz crystal watch as claimed in claim 6, wherein said vibrator is a quartz crystal vibrator. ### Claim 16 (depends on 12) A quartz crystal watch as claimed in claim 12, wherein said vibrator is a quartz crystal vibrator. ### Claim 17 (depends on 2, 3) A quartz crystal watch as claimed in claims 2 or 3, wherein the diameter of the battery is 6.8 millimeters. ### Claim 18 (depends on 2) A quartz crystal watch as claimed in claim 2, wherein the diameter of the movement exceeds the diameter of the battery. ### Claim 19 (depends on 18) A quartz crystal watch as claimed in claim 18, wherein said movement is the portion between two parallel secants of a circle. ### Claim 20 (depends on 6) A quartz crystal watch as claimed in claim 6, and further comprising mechanical setting means including a winding stem, said stem extending longitudinally within and without said movement, said setting means being on the side of said frame plate opposite said battery. ### Claim 21 (depends on 20) A quartz crystal watch as claimed in claim 20, wherein said gear train includes a plurality of interconnected wheels and pinions, said winding stem being radially oriented on said movement and the centers of said plurality of wheels being substantially on a line transverse to said stem, said transverse line being a secant of the circular area of said movement. ### Claim 22 (depends on 21) A quartz crystal watch as claimed in claim 21, wherein said circuit means and vibrator means are in a first circle portion, formed by said secant line, adjacent said stem, and said motor means are in a second circle portion formed by said secant line opposite from said stem. ### Claim 23 (depends on 22) A quartz crystal watch as claimed in claim 22, wherein said setting means are located within said first circle portion. ### Claim 24 (depends on 23) A quartz crystal watch as claimed in claim 23, wherein said plurality of wheels overlap a portion of said first circle portion. ### Claim 25 (depends on 24) A quartz crystal watch as claimed in claim 24, wherein each said wheel includes a toothed wheel, and at least one toothed wheel overlaps the rotational center of another toothed wheel. ### Claim 26 (depends on 7) A quartz crystal watch as claimed in claim 7, wherein said setting means further includes stem holding and clicking means, and a clutch wheel for time setting, and means for moving said clutch wheel, said clicking means operating independently of said means for moving said clutch wheel. ### Claim 27 (depends on 26) A quartz crystal watch as claimed in claim 26, wherein said clutch wheel is mounted for rotation with said stem and for translation along said stem, said means for moving said clutch wheel including two levers, each lever acting on an opposite face of said clutch wheel. ### Claim 28 (depends on 27) A quartz crystal watch as claimed in claim 27, wherein said movement includes a center wheel and said clutch wheel directly engages said center wheel for time setting.