Patents for H01H 36 - Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding (3,817) |
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06/21/1983 | US4389635 Interfacing attachment for remote mechanical fire alarms |
06/21/1983 | US4389627 Changeover switch for actuating a plurality of reed switches disposed in a circle |
05/24/1983 | CA1146997A1 Magnetic actuating movement for contact-dependent and contactless switching |
05/17/1983 | US4384184 Explosion-proof device for measuring liquid levels |
04/19/1983 | US4380704 Electrical switch |
04/12/1983 | US4380040 Capacitive systems for touch control switching |
03/31/1983 | WO1983001150A1 Transparent planar switch structure and switch unit |
03/30/1983 | EP0075112A2 Switching apparatus, in particular an electronic switching apparatus operating without contact, with a cylindrical casing |
03/29/1983 | US4378541 Time delay switch |
03/03/1983 | WO1983000780A1 Touch-operated power control device |
02/01/1983 | US4371118 Magnetic safety interlock method and apparatus for food processor |
01/05/1983 | EP0068280A2 Magnetically operated electrical contact arrangement |
01/04/1983 | US4367385 Capacitance switch |
12/22/1982 | EP0067366A2 Electric, particularly electronic, switching apparatus operated without contacting |
12/21/1982 | US4365196 Proximity sensing transducer with simulation means |
12/21/1982 | US4365125 Flow actuating switching device |
12/14/1982 | US4364019 Multipart actuating mechanism |
11/16/1982 | US4359720 Environmentally sealed variable capacitance apparatus |
11/16/1982 | US4359704 Device for setting up contact connections between independent electrical circuits |
11/10/1982 | EP0064240A2 Capacitive circuit board and method for fabricating it |
11/02/1982 | US4356755 Organ stop control panel |
11/02/1982 | US4356729 Fluid level detector |
10/05/1982 | US4353049 Magnetically detented rotary switch |
09/14/1982 | US4349800 Magnetic proximity switch |
08/24/1982 | US4346360 Low profile reed keyswitch |
08/17/1982 | CA1129976A1 Rotary shaft position switch |
06/22/1982 | US4336519 Magnetic electrical contact systems |
06/22/1982 | US4336518 Plunger operated magnetic contact switch assembly |
06/15/1982 | US4335285 Float operated electrical switch assembly |
06/08/1982 | US4334204 Proximity switch assembly |
06/02/1982 | EP0052680A1 Float switch |
06/01/1982 | CA1124779A1 Magnetic actuator using modulated flux |
05/27/1982 | WO1982001786A1 Float-controlled electrical switch device comprising a reed contact which is opened and closed by the field of force of a permanent magnet |
05/25/1982 | US4331945 Magnetically actuatable tamper switch assembly |
05/25/1982 | US4331013 Anti-theft device |
05/19/1982 | EP0051961A1 Apparatus for monitoring a valve |
05/11/1982 | US4329550 Delayed action liquid level sensing apparatus |
05/04/1982 | US4328402 Sensing switch for detecting a document |
04/21/1982 | EP0050063A1 Release mechanism with permanent magnet |
04/21/1982 | EP0049795A2 Electronic switching device operated without contact |
03/30/1982 | US4322703 Electrical switch and actuator therefor having both linear and angular adjustment therebetween |
03/23/1982 | US4321590 Check mechanism for fluid level warning device in fluid reservoirs |
02/16/1982 | US4316145 Fluid pressure actuator with proximity position sensor |
02/09/1982 | CA1117785A1 Float operated switch assembly |
02/02/1982 | US4314310 Electrical switch |
01/12/1982 | US4310188 Magnetic switch for attractive latch |
01/05/1982 | US4309628 Pulse generation by changing magnetic field |
12/15/1981 | US4305285 Liquid level detecting and warning device |
12/01/1981 | US4303856 Control push-button device for switching an electronic or electric circuit |
10/28/1981 | EP0038434A1 Multiple use selector stage |
10/27/1981 | US4297543 Safety device for container filler systems |
10/15/1981 | WO1981002946A1 Distributor stage for the definition of control programs |
10/13/1981 | CA1110728A1 Solid state proximity switch |
10/06/1981 | US4293745 Capacitance type contact switch |
09/29/1981 | US4291761 Magnetic sensing device |
09/16/1981 | EP0035740A1 Capacitive sensor for a time-piece and method of manufacturing this sensor |
09/08/1981 | US4288767 Automatic magnetic switch |
09/02/1981 | EP0034821A1 Pulse generation by changing magnetic field |
09/01/1981 | US4287440 Proximity switching device |
09/01/1981 | CA1108265A1 Safety switch assemblies |
08/25/1981 | CA1107840A1 Bounce dampening system for switch actuators |
08/18/1981 | US4284904 Encapsulated magnetically sensitive circuit elements for depth-indicating purposes or the like |
08/18/1981 | CA1107326A1 Automatic magnetic switch |
08/18/1981 | CA1107325A1 Air-gap adjusting means for a magnetic proximity switch |
08/11/1981 | US4283031 System controlling apparatus which compares signals from sensors monitoring passing objects with pre-determined parameter information to control the system |
07/22/1981 | EP0032302A2 Organ stop control apparatus |
07/14/1981 | US4278858 Liquid level responsive proximity switch |
07/14/1981 | CA1105113A1 Keyboard actuatable with the aid of the fingers of at least one hand |
06/16/1981 | US4274070 Proximity instant-on switch for medical and dental instruments |
05/26/1981 | US4270033 Brake-fluid level detector |
05/26/1981 | US4268953 Method of making an encapsulated magnetic-reed switch circuit element adapted for use in interconnected array |
04/28/1981 | US4264903 Capacitive touch control and display |
04/28/1981 | US4264225 Bounce dampening system for switch actuators |
04/07/1981 | CA1098990A1 Shielding arrangement for a capacitive touch switch device |
03/24/1981 | US4258346 Magnetically actuated digital switch |
03/24/1981 | US4258238 Liquid level signal transmitter |
02/10/1981 | US4250495 Touch sensitive control panel and a method of manufacture thereof |
01/27/1981 | US4247804 Cold cathode discharge device with grid control |
12/30/1980 | US4242658 Magnetic actuator using modulated flux |
12/02/1980 | US4237386 Plug-in module for touch control switching |
11/11/1980 | CA1089516A1 Magnetically actuated proximity sensing device |
09/30/1980 | US4225837 Armature for a proximity switch |
09/30/1980 | US4225748 Switching device, especially for electronic contactless switches, e.g. proximity switches |
09/30/1980 | CA1086877A1 Bar graph type touch switch and display device |
09/23/1980 | CA1086402A1 Vertical float switch |
09/17/1980 | EP0015663A1 Float operated electrical switch assembly |
09/17/1980 | EP0015497A1 Electrical switch, the actuating side of which can assume several positions |
08/06/1980 | EP0014194A1 Electric switch |
08/05/1980 | CA1083245A1 Reed switch assembly for a position indicating system |
08/05/1980 | CA1083206A1 Magnetically operated switch with cantilever mounted coil spring contact arm |
07/22/1980 | US4214133 Rotary shaft position switch |
07/15/1980 | US4213110 Proximity switch having adjustable sensitivity |
07/09/1980 | EP0012812A1 Magnetic modulated-flux actuator |
07/08/1980 | US4211991 Magnet-controlled switch |
07/08/1980 | US4211990 Electric switch concealing hinge |
07/01/1980 | US4210889 Magnetically actuated sensing device |
07/01/1980 | US4210888 Magnetically operated proximity switch |
06/17/1980 | CA1079832A1 Liquid-level float switch construction |
05/27/1980 | US4205242 Electret bistable system |
05/27/1980 | CA1078434A1 Cartridge for magnetically operated contacts |