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In 1937 W.B. Schulte, [2] McGall's employer, started the company MICRO SWITCH. The company and the Micro Switch trademark have been owned by Honeywell Sensing and Control since 1950. [3] The name has become a generic trademark for any snap-action switch. Companies other than Honeywell now manufacture miniature snap-action switches.
Sense switches and output lights, upper right. on an IBM 701, introduced in 1952 Sense switches on a Data General Eclipse S/130, lower left. A sense switch, or program switch, is a switch on the front panel of a computer whose state can be tested by conditional branch instructions in software. [1] Most early computers had several sense switches.
A toggle DIP switch with four inputs and outputs Bank of toggle switches on a Data General Nova minicomputer front panel Toggle switches with the shared cover preventing certain forbidden combinations. A toggle switch or tumbler switch is a class of electrical switches that are manually actuated by a mechanical lever, handle, or rocking mechanism.
A toggle light switch Internal components of a toggle switch. The toggle mechanism provides "snap-action" through the use of an "over-center" geometry. The design was patented in 1916 by William J. Newton and Morris Goldberg. [2] The switch actuator does not control the contacts directly, but through an intermediate arrangement of springs and ...
Switch – Manually operated switch Electrical description: SPST, SPDT, DPST, DPDT, NPNT (general) Technology: slide switches, toggle switches, rocker switches, rotary switches, pushbutton switches; Keypad – Array of pushbutton switches; DIP switch – Small array of switches for internal configuration settings; Footswitch – Foot-operated ...
Electrically, a typical "3-way" switch is a single pole, double throw (SPDT) switch. By correctly connecting two of these switches together, toggling either switch changes the state of the load from off to on, or vice versa. The switches may be arranged so that they are in the same orientation for off, and contrasting orientations for on. [1]