Magnet responsive variable differential switching apparatus

Magnet-controlled switch

Magnet-sensible triggering doorbell mechanism

Magnetic activation and deactivation circuit and system

Magnetic actuation of a switching device

Magnetic assembly for magnetically actuated control devices

Magnetic assembly for magnetically actuated control devices

Magnetic bubble motion producer

Magnetic card switch

Magnetic circuit device

Magnetic closure apparatus for portable computers

Magnetic detector apparatus

Magnetic detent action for switches

Magnetic electrical contact systems

Magnetic element switch

Magnetic encoder with snap action switch

Magnetic latch mechanism

Magnetic light switch with hermetic glass box

Magnetic lock device

Magnetic position detectors