Patents for G04C 23 - Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (976) |
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12/05/1990 | CN2067000U Timer for controlling electricity use |
11/28/1990 | CN2066600U Timed calling device |
11/27/1990 | US4974217 Scale indicator used with electronic setting apparatus for setting numerical values of physical quantities or the like |
11/21/1990 | CN2066161U Universal automatic control device for electric equipments |
11/07/1990 | CN2065338U Energy-saving sequence controller for domestic electrical appliance |
11/07/1990 | CN2065337U Computer ized sequence controller |
11/07/1990 | CN2065336U Timing heater case |
11/07/1990 | CN2065333U Globe-shaped zone time displaying clock |
10/31/1990 | CN2064902U Multipoint preselection timing machinery clock |
10/03/1990 | CN2063246U Quartz alarm lock timed by rudder wheel |
09/26/1990 | CN2062869U Electronic clock with calendar and biochronometer |
09/19/1990 | CN1045462A Timing switch of quartz clock |
09/05/1990 | CN2061706U Multi-purpose electric appliance long timer |
08/15/1990 | CN2060566U Timing controlled mechanism |
08/09/1990 | WO1990008986A1 Electromechanical timer switch |
07/25/1990 | CN1008951B Preselected device for preselected clock |
07/04/1990 | CN2059005U Timing device for carrier pigeon |
06/27/1990 | CN2058767U Clock-controlled power-source timer |
06/27/1990 | CN2058766U Multifunctional self-controlling machine for household |
06/20/1990 | CN2058504U Multifunctional console clock |
05/02/1990 | EP0269684B1 Alarm clock with an alarm signal device and an adjustable contact for actuating the latter |
05/01/1990 | US4922475 Alarm clock having means for bridging two circular conducting paths via an adjustable contact means thereby causing generation of an acoustic alarm system |
03/14/1990 | CN2054541U Multi-functional time switch clock |
03/07/1990 | CN2054172U Lock controlled adjustable electric switch |
03/07/1990 | CN1040274A Multifunctional electronic watch |
02/21/1990 | CN1039906A Electronic watch with alarm |
02/14/1990 | CN1039664A Dot-line dual-displaying program-controlled time signal clock |
02/01/1990 | DE3825308A1 Electrical or electronic switching apparatus or control apparatus of slimline construction, especially a time switch |
02/01/1990 | DE3825267A1 Program support for an electrical time switch |
01/31/1990 | EP0352645A2 Small size electr(on)ic switching or regulating apparatus, in particular a switch clock |
01/31/1990 | EP0352644A2 Programme carrier for an electric time switch |
01/10/1990 | CN1038708A Ic for analong electronic watch and analog electronic watch |
01/03/1990 | CN2050622U Automatic switch of improved quartz clock for mimicking the law of sunshine |
12/27/1989 | CN2050184U Intermittence electrifying machinery time device |
12/27/1989 | CN2050183U Time automatic on or off power machinery alarm clock |
12/20/1989 | EP0347251A2 A multi-functional analog electronic watch |
12/20/1989 | EP0347249A2 An IC chip for an analog electronic watch |
12/20/1989 | CN2049793U Electronic time controller |
12/20/1989 | CN1038177A Alarm arrangement for timepiece |
12/06/1989 | CN2048986U 可编程序时间控制器 Programmable time controller |
11/29/1989 | EP0343494A1 Alarm device for a time piece |
11/29/1989 | CN2048598U Multi-way electric switch clock time controller |
11/22/1989 | CN2048204U Clock with timing switch |
11/22/1989 | CN1037408A Electronically corrected electronic timepiece |
11/08/1989 | CN2047402U Multifunctional timing clock |
11/01/1989 | CN2047039U Automatic broadcasting controller |
11/01/1989 | CN2047038U Multifunction guartz clock |
10/25/1989 | EP0338535A2 Electronically corrected electronic timepiece |
10/18/1989 | CN2046237U Multifunction timing clock |
10/11/1989 | CN2045908U Electricity-saving life-prolongation protector for refrigerator |
09/20/1989 | CN2044742U Multipurpose time-controlling alarm clock |
08/23/1989 | CN2043380U Time-switching mechanical-clock unit of controlled-appliance |
08/01/1989 | US4853558 Programmable timer with skip cycle |
07/26/1989 | CN2041827U Biochronometer list |
07/25/1989 | US4851738 Lighting system having photosensing timing switch circuit |
07/05/1989 | CN2040653U Alarm clock simple timed switch |
06/28/1989 | EP0172182B1 Device for mains-operated switch timers with electric running reserve |
06/20/1989 | US4841496 Appliance timer |
06/14/1989 | CN2039439U Timer of electric cooker |
06/14/1989 | CN2039438U Automatic timer of electric cooker |
05/31/1989 | CN1033216A Magnetic control device for time telling of quartz clock |
04/18/1989 | US4823329 Electric timer with program carrier switchable from a short term to a long term program |
04/05/1989 | CN2035500U Universal timed switch alarm clock |
04/05/1989 | CN2035499U Strong current switch for electronic clock control |
03/29/1989 | CN2035106U Hoof-shaped clock with timer |
03/22/1989 | CN2034710U Multipurpose timer |
03/15/1989 | CN2034297U Auto-turnover type calendar |
03/08/1989 | CN2033916U Alarm clock type timing opening apparatus for electric appliance |
03/02/1989 | DE3728036A1 Electric time switch (clock timer) |
03/01/1989 | EP0304681A2 Electric switch clock with an exchangeable commutation disc |
02/01/1989 | CN2031944U Multifunction alarm clock with mechanical movement |
01/18/1989 | EP0170664B1 Device for mains-operated switch timers with electric running reserve |
01/18/1989 | CN2031115U Time controlled switch |
11/29/1988 | US4788669 Electronic timepiece |
11/23/1988 | CN88203522U Multifunctional pointer quartz clock |
11/09/1988 | CN88200324U Timing on/off socket-board |
09/28/1988 | CN87215744U Electric switch clock |
09/27/1988 | CA1242329A1 Acoustic alarm setting device for a timepiece |
09/21/1988 | EP0282829A2 Electronic time switch with a programme carrier which can be switched from a short to a long time interval programme |
08/17/1988 | CN87217182U Universal quartz clock controlled switch |
08/17/1988 | CN87205030U 电子定时器 Electronic timers |
06/29/1988 | CN86202252U Automatic control multi-functional clock with multi-sequence energy-saving prolong life |
06/08/1988 | EP0269684A1 Alarm clock with an alarm signal device and an adjustable contact for actuating the latter. |
05/11/1988 | CN87204265U Multipurpose clock with 3-660 minutes controllable switch |
05/11/1988 | CN87203887U Electronic alarm clock with timing controller and door bell |
05/11/1988 | CN87200802U Automatic controllable timer |
05/11/1988 | CN86107476A Multifunctional random programming electronic timer |
05/10/1988 | US4744068 Timepiece setting arrangement including a safety lock |
04/27/1988 | CN87210920U Time programmed switch |
04/06/1988 | CN87208526U Clockwork-triggered timing controller |
03/23/1988 | CN87211602U 电子音乐闹钟 Electronic Music Alarm Clock |
03/09/1988 | CN86200305U Automatic controlling multi-functional clock with automatic operating device at preselected time |
02/24/1988 | CN87208006U 多功能时钟控制器 Multifunction Clock Controller |
02/24/1988 | CN87200017U Clock-type electronic timer |
01/13/1988 | CN87208264U Automatic switch of simulating sunchine program on quartz clock |
12/30/1987 | WO1987007966A1 Alarm clock with an alarm signal device and an adjustable contact for actuating the latter |
12/29/1987 | CA1230910A1 Cover for a timing mechanism |
12/09/1987 | CN87102284A Time sequence switch |
12/09/1987 | CN86210784U Data-storage type automatic timing device |
12/09/1987 | CN86207007U Multielement duplex timing distributor |