Patents
Patents for H01H 27 - Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings (1,960)
12/1989
12/13/1989EP0345656A2 Security switch
11/1989
11/30/1989DE3915902A1 Mehrstufiger elektrischer betriebsschalter mit sicherheitsschluss Multi-level electrical operation switch with safety circuit
11/15/1989CN2047693U Programmable linkage lock for dual door on power cabinet
11/08/1989CN2047445U Power-supply lock for household appliance
11/02/1989EP0339653A1 Matrix switching device and method of manufacturing the same
10/1989
10/18/1989CN2046270U Program lock
09/1989
09/26/1989US4870230 Safety rocker
09/26/1989CA1261904A1 Key switch
09/26/1989CA1261420A1 Pin board matrix
09/26/1989CA1260283A1 Electrical contact means for a lock cylinder with an electronic/mechanical key
09/19/1989US4868352 Electric switch
09/13/1989CN2044372U 节电安全锁 Energy-saving safety lock
09/12/1989CA1259365A1 Switching device to be operated by means of a cylinder lock
08/1989
08/30/1989EP0330229A2 Locking device
06/1989
06/21/1989EP0321423A1 An ignition switch for motor vehicles
05/1989
05/10/1989EP0314747A1 Cylinder lock, particularly for motor cars
04/1989
04/18/1989US4823231 Current tapping device disconnectable from an omnibus bar distribution column
02/1989
02/22/1989EP0303797A2 Cylinder lock with electric switch device
02/07/1989US4803314 Momentary rotary switch
02/01/1989CN2031965U Switch lock for low-voltage apparatus
01/1989
01/12/1989DE3724530C1 Schluesselschalter fuer elektrische bzw. elektronische Geraete Key switch for electrical and electronic equipments
12/1988
12/22/1988DE3719471A1 Safety switch
11/1988
11/29/1988US4788623 Key operated mechanism for producing coded signal combinations for selecting a function of a multifunctional device
11/17/1988WO1988009047A1 Cylinder lock, particularly for motor cars
10/1988
10/18/1988US4778954 Switching device to be operated by means of a cylinder lock
10/18/1988US4778393 Pin board matrix
10/06/1988DE3710079A1 Electric interlocking switch
09/1988
09/14/1988CN87209131U Electricity saving key box
09/07/1988EP0161278B1 Intermittent power supply control device for electric appliances, particularly in hotel rooms
08/1988
08/31/1988CN87214731U Alarm and on-off interlocking switch
08/30/1988US4767895 Removable key off-lock switch having improved locking actuator
08/24/1988CN88100778A Contact device for transmitting electric signals between key and lock of cylinder locks
08/18/1988DE3726774A1 Ignition and starter switch with sliding contacts for installation on a steering lock antitheft device for motor vehicles
08/17/1988EP0278905A1 Contact device for transmitting electrical signals between lock and key of a cylinder lock
08/11/1988WO1988005854A1 Contact means for transmitting electric signals between a lock and key in a cylinder lock
08/10/1988EP0277610A2 Rotary switch for electrical devices, especially for domestic devices
08/09/1988US4762968 For a motor vehicle
07/1988
07/19/1988US4758819 Keysensor
07/19/1988US4758697 Intermittent supply control device for electric appliances of in particular a hotel room
07/13/1988CN87213702U Multi-functional socket
07/07/1988DE3718339A1 Key-operated switch or key-operated push button
07/06/1988CN87101232A 电气开关 Electrical switches
06/1988
06/30/1988DE3643734A1 Electrical switch, especially an ignition starter switch for motor vehicles
06/15/1988CN87208416U Power saving key controll delay switch
06/07/1988US4750094 Low cost apparatus for simulating an alarm system actuating component
06/01/1988EP0269584A2 Ignition and starter switch for a motor vehicle provided with an internal combustion engine
06/01/1988DE3639689A1 Latching mechanism having a plurality of switching positions
05/1988
05/31/1988US4748297 Rotary switch
05/04/1988EP0266137A2 Switching device to be operated by means of a cylinder lock
04/1988
04/20/1988CN86209169U Combined plug-in type safety switch
03/1988
03/22/1988US4733030 Steering column switch for motor vehicles
03/01/1988US4728756 Key switch having pivotable housing members and contact positioning posts
01/1988
01/14/1988WO1988000389A1 Electrical switch
01/13/1988EP0252382A1 Electrical switch
12/1987
12/29/1987US4716400 Key sensing system
12/10/1987DE3619210A1 Circuit arrangement for controlling three-phase asynchronous motors
11/1987
11/17/1987US4707575 Spring switch for electronic circuits
11/10/1987US4705920 Electrical switch with rocker actuator having removable locking key
10/1987
10/15/1987DE3610835A1 Switch for switching alarm devices on and off
10/14/1987EP0241257A1 Electrical switch with rocker actuator having removable locking key
09/1987
09/22/1987US4695684 Electric safety switch
09/09/1987EP0235292A1 Pin board matrix.
09/09/1987CN86204352U Theft-defence automobile ignition switch
09/09/1987CN86203256U Cipher switch
09/08/1987CA1226604A1 Starter switch arrangement
09/01/1987US4689977 Switch lock with two momentary positions
08/1987
08/26/1987EP0233420A1 Disconnectible current-collecting device on a distribution column with bus bars
08/25/1987US4689456 Key switch having cooperable cams which translate rotary motion to rectilinear
06/1987
06/16/1987US4673776 Locking switch for automobile electrical systems and the like
06/10/1987EP0224633A2 Key-operated switch for a motor vehicle
06/09/1987US4672158 Multiple contact switch
05/1987
05/05/1987CA1221423A1 Switched electrical apparatus for medical use
04/1987
04/23/1987DE3537252A1 Key-operated switch
04/21/1987US4659884 Safety interlock switching device for protecting equipment
04/21/1987US4659883 Repeat lock and inhibitor for starters of combustion engines
04/14/1987US4658105 Electrical contact means for a lock cylinder with an electronic/mechanical key
04/14/1987US4658102 Electric switch
03/1987
03/18/1987EP0214410A1 Electrical circuit element operated by a key
03/03/1987US4647735 Electrical security device
03/03/1987US4647734 Binary switch lock
01/1987
01/27/1987US4639562 Key lock switch with antistatic means
01/13/1987US4636603 Two-position electrical switch assembly
01/06/1987US4634822 Multiple operation switch lock
01/06/1987US4633689 Anti-static switch lock with momentary position
12/1986
12/04/1986WO1986007208A1 Pin board matrix
12/02/1986CA1214878A1 Piggyback code switch device
11/1986
11/20/1986EP0201620A1 Switch lock
11/18/1986US4623763 Rotary multi-contact switch
10/1986
10/29/1986EP0198963A1 System for detecting the presence of at least one person in a room
10/07/1986US4616285 Safety and selective use switch for a power outlet
09/1986
09/09/1986US4611104 Electromechanical switch actuator having high security key actuator
08/1986
08/13/1986EP0190406A1 Elevator control panel
08/13/1986CN85205285U Acoustooptical alarm socket
07/1986
07/29/1986US4603238 Fast indexing encoder apparatus
06/1986
06/17/1986US4595808 Electromechanical switch
06/17/1986US4595805 Switch structure comprising recessed contacts
06/11/1986EP0184033A1 Locking and safety device and a method for its operation
04/1986
04/10/1986CN85102325A Connecting device,a method and a tool for electrically connecting insulated cable wires, a cable termination device flugs adapted for use with said connecting
04/01/1986US4580019 Push-rotation type key switch device
04/01/1986US4580017 Multiple contact switch
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