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   Switches, Momentary Action

A switch is a device for changing the course (or flow) of a circuit. The prototypical model is a mechanical device (for example a railroad switch) which can be disconnected from one course and connected to another. The term "switch" typically refers to electrical power or electronic telecommunication circuits. In applications where multiple switching options are required (e.g., a telephone service), mechanical switches have long been replaced by electronic variants which can be intelligently controlled and automated.

The switch is referred to as a "gate" when abstracted to mathematical form. In the philosophy of logic, operational arguments are represented as logic gates. The use of electronic gates to function as a system of logical gates is the fundamental basis for the computerŅi.e. a computer is a system of electronic switches which function as logical gates.



Bronze Partners
ACT Components Inc
Aleph International Corp.
Allen-Bradley
Alpha Products
Altech Corp.
APEM Components, Inc.
Arcolectric Corp.
Ark-Les Corp.
Aromat Corp. (Matsushita Electric Works, America)
Baco Controls, Inc.
Barantec Inc.
Bourns, Inc.
C & K Components, Inc.
Calrad Electronics
Carling Technologies Inc
CGE-USA
Cherry Electrical Products
CIT Relay and Switch
Cole Hersee Company
Cole Instrument Corp.
Components North Inc.
Conductive Rubber Technology, Inc.
Conductive Technologies Inc.
Control Products Inc.
CTS Corp.
Cutler-Hammer
CW Industries
Dawar Technologies Inc.
DSC-Direct Sound Corp
Duraswitch Industries, Inc.
E-Switch
E.M.S.
EAO Switch Corp.
Eastland Electronics
Eastprint Incorporated
Eaton Corporation
Electro-Mech Components, Inc.
Electroswitch
Electroswitch Electronic Prods
Elma Electronic Inc.
Entech Controls Corp.
Excel Cell Electronic (USA) Corp.
Fuji Electric Corp. of America
Gaynor Electric Company
GE Accessary Equipment
George Risk Industries, Inc.
Giannini Institute
GM Nameplate
Grayhill Inc.
Guardian Electric Mfg. Co.
Hallmark Technologies
Hirose Electric U.S.A., Inc.
Honeywell Sensing and Control
IDEC Corp.
Illinois Lock Company
Interface Displays & Controls, Inc
ITT Industries, Cannon
ITW Switches
J. R. Merritt Controls, Inc.
Janco Corporation
Jayco Interface Technology
Joemex Electric America, Inc.
Judco Manufacturing, Inc.
Lamb Industries, Inc.
Leviton Manufacturing Co. Inc.
Littelfuse Inc
LKG Industries Inc
Machine Components Corp.
Marquardt Switches, Inc.
McGill Electrical Switch Product Group
MEC A/S
MG Electronics
Microavionics Corp.
MKS, Inc
Mode Electronics Ltd.
Namco Controls/Dolan-Jenner
Nexus Inc.
NKK Switches
OakGrigsby, Inc.
Omron Electronics LLC
Oslo Switch
OTTO Controls
Precision Switch Design
Preh Electronics Inc.
Pres:Air:Trol Corp.
Quail Electronics, Inc.
RDI, Inc.
Relay Service Company
Rockwell Automation
Saia-Burgess USA Inc.
Schurter, Inc.
Screenprint/Dow
Seacor, Inc.
Senior Industries
Shallco, Inc.
Shelly Associates, Inc.
Shogyo Int'l Corp.
Shokai Far East Ltd.
Siber America, Inc.
Signal Systems Inc.
Silver Cloud Mfg. Co.
Snaptron, Inc.
Sorenson Lighted Controls - Solico/MEC
StacoSwitch
StanKraft, Inc.
Suncoast Digital Technology, Inc.
Switchcraft, Inc.
T-Bar Inc.
TH-Contact, Inc.
The Bergquist Company
Therm-O-Disc, Inc.
U. S. Electronics Inc.
Veetronix, Inc.
Waldom Electronics Inc.
Westlake Components International
Wilbrecht Electronics , Inc.
Xymox Technologies
Fixed and programmable amplifiers - Frequency Devices

 

Books
Basic Electronics Theory With Projects and Experiments
Delton T. Horn

Excerpt - page 171: "... another set of contacts that are normally closed. Most pushbutton switches are of the momentary action type, but some work as regular switches that can be ..."
See more references to Switches, Momentary Action in this book.
Valve Amplifiers, Third Edition
Morgan Jones

Excerpt - page 509: "... consider using logic gates to drive the relays, and use momentary action push-buttons on the front panel ... path, choose the momentary action switches carefully, otherwise having to carefully machine identical push-buttons for each ..."
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Handbook for Sound Engineers, Third Edition
Glen Ballou

Excerpt - page 795: "... made in Figs. 25-96 and 25-97 between the analog signal switches and their digital control electronics ... Each top-panel switch is a momentary-action touch switch with an associated LED indicator (with the exception ..."
See more references to Switches, Momentary Action in this book.
Radio and Electronics Cookbook
RSGB

Excerpt - page 201: "... XLl XR455 Veroboard (see text for size) Veropins (3;) S1 Switch (momentary action push-to-make SPST) 16-pin DIL socket for ICI Single-core insulated wire ..."
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Electronic Components: A Complete Reference for Project Builders
Delton T. Horn

Excerpt - page 303: "... That is, the button is pushed once to close the switch contacts, then pushed a second ... Most push-button switches, however, are momentary-action types. There are two types of momentary-action switches: normally open ..."
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Handbook for Sound Engineers: The New Audio Cyclopedia
Glen M. Ballou

Excerpt - page 875: "... made in Figs. 24-93 and 24-94 between the analog signal switches and their digital control electronics ... Each top-panel switch is a momentary-action touch switch with an associated LED indicator (with the exception ..."
See more references to Switches, Momentary Action in this book.
Laser Safety Management (Optical Science and Engineering)
Kenneth Barat

Excerpt - page 153: "... laser or laser system must be provided with a master switch. This master switch affects beam ... allow system activation using a momentary switch action (or alternative) that initiates system operation with the option that ..."
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Electronic and Electrical Servicing: Level 2
Ian Sinclair and Geoff Lewis

Excerpt - page 32: "... by far the more common. The ordinary type of push-button switch is by its nature off- on-off biased, though this is usually described for such switches as momentary action (see, however, alternate action below), and biased switches are also ..."
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Jane's Electro-Optic Systems 2004-2005 (Jane's Electro-Optics Systems)
Keith Atkins

Excerpt - page 273: "... Horizontal and vertical boresighting adjustments are provided. A low-/high-power selection switch and a momentary action switch, are fitted to minimise illumination time on the target. ..."
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Jane's Electro-optic Systems, 2005-06 (Jane's Electro-Optics Systems)
Keith Atkins

Excerpt - page 77: "... Horizontal and vertical boresighting adjustments are provided. A low-/high-power selection switch and a momentary action switch, are fitted to minimise illumination time on the target. ..."
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Controlling The World with Your PC
Paul Bergsman

Excerpt - page 41: "... you must break the current path. The normally closed (NC) momentary action switch stops the current flow when pressed. However, when the switch ..."
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Lock on No. 13 : AH-64A Apache Attack Helicopter
Francois Verlinden

Excerpt - page 29: "... CONTROL PILOT AND CPG COLLECTIVE STICK 1 TRIM FEEL RELEASE SWITCH 2 WEAPONS ACTION SWITCH (MOMENTARY) 3 FLIGHT MODE SYMBOLOGY SWITCH 4 INOPERATIVE 5 DASE RELEASE ..."
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Newnes Industrial Control Wiring Guide, Second Edition (Newnes Practitioner Ser)
R B MERCER

Excerpt - page 109: "... flange on the actuator body and the panel. tary switch. sh-button switch. y-operated switch. ver switch. 10.1.4. Switch actions >Momentary - where the contacts are operated OFF only while the ..."
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Electronic Circuits: Fundamentals and Applications
Mike Tooley

Excerpt - page 189: "... can be derived from a number of sources including: (a) switches (including momentary action pushbuttons ); (b) sensors (producing logic-level compatible outputs ); (c) ..."
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