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replaces the pushbutton hard center disk. The source of the energy to illuminate the light is not directly tied to the contacts on the back of the pushbutton but to the action the pushbutton controls. In this way a start button when pushed will cause the process or machine operation to be started and
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In industrial and commercial applications, push buttons can be connected together by a mechanical linkage so that the act of pushing one button causes the other button to be released. In this way, a stop button can "force" a start button to be released. This method of linkage is used in simple manual
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A variant of this is the scramble switch which triggers an alarm to activate emergent personnel to proactively attend to and go to such disasters. An air raid siren at an air base initiates such action, where the fighter pilots are alerted and
291:, "get out of here"). Generally, such buttons are connected to large scale functions, beyond a regular fire alarm, such as automated shutdown procedures, complete facility power cut, fire suppression like halon release, etc.
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switches, some big red buttons, when deployed with suitable visual and audible warnings such as flashing lights and sirens for extreme exigent emergencies, are known as "scram switches" (from the slang term
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a secondary contact designed into the operation or process will close to turn on the pilot light and signify the action of pushing the button caused the resultant process or action to start.
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buttons and for increased safety are mandated by the electrical code in many jurisdictions. This large mushroom shape can also be found in buttons for use with operators who need to wear
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used on clothing. The initial public reaction was curiosity mixed with fear, some of which was due to widespread fear of electricity, which was a relatively new technology at the time.
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Red pushbuttons can also have large heads (called mushroom heads) for easy operation and to facilitate the stopping of a machine. These pushbuttons are called
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to associate them with their function. Commonly used colors are red for stopping the machine or process and green for starting the machine or process.
270:, the phrase "the button" (sometimes capitalized) refers to a (usually fictional) button that a military or government leader could press to launch
118:. The surface is usually flat or shaped to accommodate the human finger or hand, so as to be easily depressed or pushed. Buttons are most often
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Push buttons were invented sometime in the late 19th century, certainly no later than 1880. The name came from the French word
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in industrial or commercial applications, a pilot light is commonly added to draw the attention of the user and to provide
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if the button is pushed. Typically this light is included into the center of the pushbutton and a
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Power Button: A History of
Pleasure, Panic and the Politics of Pushing
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110:. Buttons are typically made out of hard material, usually
313:(something that sticks out), rather than from the kind of
460:, reviewed in David Trotter, "Making doorbells ring",
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To avoid an operator from pushing the wrong button in
422:"When the Push Button Was New, People Were Freaked"
209:operations in which the machine or process has no
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224:for their work and could not actuate a regular
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129:Terms for the "pushing" of a button include
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193:The "push-button" has been utilized in
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682:Motion-triggered contact insufficiency
299:" to their planes to defend the base.
185:Push-button for a crosswalk in use in
102:mechanism to control some aspect of a
27:Device to create an electronic circuit
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126:to return to their un-pushed state.
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483:The Wolfram Demonstrations Project
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420:Wills, Matthew (2021-05-11).
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677:Miniature snap-action switch
394:"Push buttons and much more"
239:As an aid for operators and
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278:Scram and scramble switches
235:Button shaped as an octagon
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847:Human–machine interaction
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328:Event-driven programming
259:, pushbuttons are often
807:Vandal-resistant switch
657:Magnetic proximity fuze
396:. thebuilderssupply.com
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32:Button (disambiguation)
752:Silicone rubber keypad
463:London Review of Books
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199:push-button telephones
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165:Buttons on a handheld
812:Wireless light switch
358:Push-button telephone
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592:Electric switchboard
479:Spring Return Button
343:Keyboard (computing)
30:For other uses, see
452:, MIT Press, 2018,
211:electrical circuits
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562:Contact protection
552:Centrifugal switch
338:Button (computing)
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203:kitchen appliances
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37:
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817:Zero speed switch
481:by Sándor Kabai,
448:Rachel Plotnick,
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70:Electronic symbol
16:(Redirected from
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662:Magnetic starter
652:Lightning switch
602:Half-moon switch
572:Crossover switch
542:Battery isolator
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467:22 November 2018
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797:Transfer switch
777:Strowger switch
772:Stepping switch
767:Staircase timer
722:Railroad switch
667:Magnetic switch
642:Latching switch
617:Inertial switch
612:Infinite switch
567:Crossbar switch
532:Analogue switch
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792:Touch switch
747:Sense switch
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697:Piezo switch
647:Light switch
637:Limit switch
632:Knife switch
597:Float switch
461:
449:
429:. Retrieved
425:
398:. Retrieved
388:
373:Turbo button
363:Reset button
348:Panic button
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98:is a simple
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94:) or simply
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787:Time switch
737:Sail switch
727:Reed switch
717:Push-button
712:Push switch
707:Pull switch
692:Photoswitch
622:Kill switch
587:Dry contact
426:JSTOR Daily
261:color-coded
195:calculators
88:push-button
51:arcade game
38:Push-button
841:Categories
782:Thermostat
757:Softswitch
742:Sea switch
627:Key switch
607:Humidistat
582:DIP switch
547:Cam switch
431:2023-01-09
380:References
284:fire alarm
167:calculator
135:depressing
92:pushbutton
762:Spark gap
297:scrambled
852:Switches
577:Cryotron
400:11 April
321:See also
282:Akin to
245:feedback
151:punching
143:slapping
131:pressing
49:Generic
315:buttons
303:History
147:hitting
139:mashing
112:plastic
108:process
104:machine
53:buttons
520:Switch
456:
310:bouton
222:gloves
189:, 2022
149:, and
124:spring
100:switch
96:button
63:Switch
522:types
289:scram
257:error
241:users
187:Japan
116:metal
106:or a
454:ISBN
402:2013
249:lens
157:Uses
59:Type
266:In
114:or
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424:.
410:^
274:.
201:,
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153:.
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141:,
137:,
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86:A
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498:v
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295:"
34:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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