Electricity: motive power systems – Plural – diverse or diversely controlled electric motors – Running-speed control
Patent
1996-04-10
1998-01-27
Ip, Paul
Electricity: motive power systems
Plural, diverse or diversely controlled electric motors
Running-speed control
318 67, 606170, 606180, H02P 550, A61B 1732
Patent
active
057125430
ABSTRACT:
An apparatus for controlling a surgical device includes a housing and a magnetic switching element mounted on the housing. The magnetic switching element includes a magnet, a magnetic sensor configured to produce a control signal for controlling the surgical device, and an actuator mounted on the housing for movement between a first position in which a magnetic field of the magnet is decoupled from the magnetic sensor and a second position in which the magnetic field is coupled to the magnetic sensor so as to change a value of the control signal produced by the magnetic sensor. The magnetic switching element may also include magnetically soft material positioned so that movement of the actuator causes relative movement between the magnet and the magnetically soft material.
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Ip Paul
Smith & Nephew Endoscopy Inc.
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