Patents
Sitemap › G04 - Horology › G04C - Electromechanical clocks or watches › G04C 3 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
Patents for G04C 3 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means (4,122)
09/1983
09/27/1983US4407019 Electronic wristwatch
09/13/1983US4404510 Electronic timepiece
09/07/1983EP0087506A1 Electric clock, in particular a quarz clock
09/06/1983US4403315 Electronic timepiece assembly
08/1983
08/31/1983EP0087387A1 Method and means for controlling a bidirectional step-motor
08/23/1983US4400095 Push button assembly for a watch
08/23/1983US4400093 Method for inspecting the running of a timepiece and timepiece adapted for such method
08/23/1983US4400091 Second stop device of clock
08/16/1983US4398832 Multifunction timepiece
08/16/1983US4398831 Electronic watch
08/09/1983US4397568 Timepiece push-button structure
08/02/1983US4396298 Case for electronic watch module
08/02/1983US4396294 Correction system for electronic timepiece with both analog and digital displays
07/1983
07/20/1983EP0023490B1 Time-keeper in particular quartz controlled clock
07/19/1983CA1150065A1 Wrist-watch of reduced thickness
07/12/1983US4392748 Quartz crystal watch
07/07/1983WO1983002340A1 Clock and watch module comprising an electronic circuit and a calender device
07/06/1983EP0083307A1 Electronic chronograph watch
06/1983
06/29/1983EP0082821A1 Electronic watch provided with detection means for the passage across a reference position
06/22/1983EP0082110A1 Electronic watch with or without a seconds hand
06/07/1983US4387437 Runners watch
06/07/1983US4387312 Stepping polyphased motor for a clockwork mechanism
05/1983
05/31/1983US4386254 Rocker switch
05/10/1983US4382695 Thin movement for stepping motor watch
05/10/1983US4382694 Timepiece circuit for compensating time lag joined with reset releasing
05/10/1983US4382693 Single phase bipolar stepping motor having two rotation senses
05/10/1983US4382692 Analog-display electronic timepiece comprising a divider with an adjustable division factor
05/10/1983US4382691 Electronic watch
05/10/1983US4382690 Ultra-flat electronic watch
05/10/1983US4382686 Quartz watch with analogical time display, comprising a manually controlled time altering device
05/04/1983EP0078237A1 Watch with an analogue display device, of which the dial is formed of a liquid crystal display cell
04/1983
04/27/1983EP0077342A1 Stepping motor for quartz watch
04/26/1983US4381481 Control circuit for a stepping motor in battery-operated instruments
04/20/1983EP0077293A1 Process and device for controlling a stepping motor in a clock mechanism
04/13/1983EP0076780A1 Process for reducing the consumption of a stepping motor, and device to carry out this process
04/13/1983EP0076312A1 Appliance non-use detection safety power shut-off system
04/12/1983US4379642 Apparatus for the selection or correction of data in an electronic watch
04/05/1983US4378957 Reduction gear of electronic wristwatch with stepping motor and sweep second hand
04/05/1983CA1143955A1 Clock with rotary pendulum
03/1983
03/29/1983US4378166 Pendulum arrangement of pendulum clock
03/16/1983EP0074006A1 Electronic hinged watch and process for manufacturing a sealing for said watch
03/15/1983US4377004 Setting circuit
03/15/1983US4376996 Thin stepping motor watch
03/15/1983US4376991 Electronic watch with analogic display
03/15/1983CA1142762A1 Manually-actuated contact switch for electronic watch
02/1983
02/22/1983US4375049 Stepping motor drive circuit for bi-directional rotation
02/01/1983US4371821 Electromagnetic motor rotatable in either direction
02/01/1983US4371267 Time detecting device for alarm clock
01/1983
01/25/1983US4370065 Step motor control mechanism for electronic timepiece
01/19/1983EP0070052A1 Electronic timepiece
01/18/1983US4368990 Electronic timepiece
01/12/1983EP0069372A1 Method of controlling the running rate of a timepiece and timepiece adapted to this method
01/11/1983US4367958 Correction signal generating system for an electronic timepiece
01/11/1983US4367956 Clockwork of an electric quartz clock
01/11/1983CA1139092A1 Photooxidation by exposure to visible light
01/04/1983US4367050 Very thin electromechanical watch
01/04/1983US4367049 Driving device especially for a timepiece
12/1982
12/28/1982US4365898 Time-correcting mechanism for electronic timepiece
12/22/1982EP0067791A1 Wheel staff for a time piece
12/21/1982US4364671 Electronic watch with display by discs
12/21/1982US4364669 Chronographic watch
12/21/1982US4364668 Timepiece with seconds display on demand
12/07/1982US4362981 Driving circuit for a stepping motor
12/07/1982US4362399 Circuit for an electronic clock having a parallel-connected alarm device and stepper motor
12/07/1982US4362397 Analog-display timepiece
12/07/1982US4362393 Chess clock
11/1982
11/30/1982US4361790 Electromagnetic motor rotatable in either direction
11/30/1982US4361410 Drive system for pulse motor
11/30/1982US4361409 Electronic watch having braked stepping motor
11/11/1982WO1982003928A1 Stepping motor for quartz watch
11/09/1982US4358840 Analogue alarm electronic timepiece
11/09/1982US4358837 Time correcting method
11/03/1982EP0064023A1 Time correcting means for an electronic clock
11/02/1982USRE31073 Electromechanical clock
11/02/1982US4357695 Reduction gear for electronic timepiece
11/02/1982US4357693 Electronic hour timesetting device for electronic analog timepiece
11/02/1982CA1134624A1 Reduction gear of electronic wristwatch with stepping motor and sweep second hand
10/1982
10/19/1982US4355380 Electronic timepiece with auxiliary digital display
10/14/1982WO1982003520A1 Appliance non-use detection safety power shut-off system
10/13/1982EP0062273A1 Method of controlling a stepping motor
10/05/1982CA1133108A1 Substrate board/carrier frame assembly
09/1982
09/29/1982EP0060940A1 Programme input and/or time adjusting device
09/28/1982US4352172 Detection device of electronic timepiece
09/22/1982EP0060806A1 Method of reducing the power consumption of a stepping motor, and device for carrying out this method
09/22/1982EP0060361A1 Runners watch
09/21/1982US4351040 Quartz crystal wristwatch
09/21/1982US4351039 Timepiece with a detector and control circuit for a stepping motor
09/14/1982US4349900 Electronic timepiece with error compensation circuit
09/07/1982US4348753 Electro-mechanical pulse generator
09/07/1982US4348752 Electronic watch with movable detecting member
09/01/1982EP0059164A1 Multifunctional watch
09/01/1982EP0059162A1 Means for correcting the information displayed by an electronic clock
08/1982
08/25/1982EP0058642A1 Electronic timepiece
08/24/1982US4346463 Movement detector for a stepping motor
08/11/1982EP0057663A2 Control device for stepping motor
08/10/1982US4344161 Electronic timepiece
07/1982
07/20/1982US4340948 Single-coil balance wheel for driving a mechanical movement
07/20/1982US4340946 Electronic timepiece
06/1982
06/22/1982US4336609 Digital input means for miniature type electronic devices
06/22/1982US4336446 Apparatus for the manual production of digital pulses
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