A reed relay is a type of relay that uses an electromagnet to control one or more reed switches. The contacts are of magnetic material and the electromagnet...
13 KB (1,478 words) - 17:21, 29 November 2023
at Bell Telephone Laboratories in 1936 by Walter B. Ellwood into the reed relay. In its simplest and most common form, it consists of a pair of ferromagnetic...
17 KB (1,996 words) - 03:06, 8 November 2024
alternatives, they are now comparatively uncommon. A mercury-wetted reed relay is a form of reed relay that employs a mercury switch, in which the contacts are wetted...
49 KB (6,428 words) - 04:36, 27 June 2024
decoding Reed relay, one or more reed switches controlled by an electromagnet Reed switch, an electrical switch operated by an applied magnetic field Reed valve...
4 KB (512 words) - 02:09, 19 December 2023
example, a reed relay matrix switch is normally switched with all contacts dry. After the contacts are all connected, a wire spring relay is energized...
1 KB (219 words) - 18:51, 20 February 2024
relay is used instead. This combines the speed of a low-mass relay, together with the fast wetting of mercury contacts. A relay, usually a reed relay...
5 KB (757 words) - 11:18, 5 July 2023
core, making them magnetically latching relays, similar to the ferreed and remreed types of reed relay. Reed relays are smaller and cheaper, thus better...
7 KB (964 words) - 08:53, 28 May 2024
switching systems in the 1960s were not entirely digital in nature, but used reed relay-operated metallic paths or crossbar switches operated by stored program...
4 KB (491 words) - 19:02, 4 September 2024
force due to rate of rotation Relay or contactor – Electro-mechanically operated switch (see also solid state relay above) Reed switch – Magnetically activated...
26 KB (2,806 words) - 04:25, 22 October 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
7 KB (594 words) - 03:38, 8 June 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
8 KB (972 words) - 04:53, 7 November 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
18 KB (2,341 words) - 19:18, 17 September 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
99 KB (11,953 words) - 23:36, 19 October 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
7 KB (781 words) - 17:18, 8 June 2024
Contactor (category Relays)
container as the switching element. A mercury-wetted relay is a form of relay, usually a reed relay, in which the contacts are wetted with mercury. These...
18 KB (2,296 words) - 00:21, 30 May 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
86 KB (9,203 words) - 19:08, 13 November 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
3 KB (288 words) - 22:49, 7 October 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
29 KB (3,805 words) - 01:42, 10 August 2024
reduced to reset the relay. A variant application of the attraction principle is the plunger-type or solenoid operator. A reed relay is another example...
38 KB (4,543 words) - 04:57, 5 May 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
12 KB (1,127 words) - 12:17, 13 November 2024
rate-of-climb instrument, the electronic variometer, or serve as a timer for a relay as was formerly done in telephone exchanges. The electrical power input...
30 KB (3,967 words) - 03:43, 26 September 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
12 KB (1,562 words) - 06:53, 13 September 2024
Electronic symbol (section Relays)
style Rotary switch, 1P4T, make-before-break, shorting style Reed switch, normally open Relays symbols are a combination of an inductor symbol and switch...
21 KB (1,554 words) - 06:40, 23 September 2024
computers such as EDVAC tended to average eight hours between failures, whereas relay computers—such as the slower but earlier Harvard Mark I—failed very rarely...
100 KB (11,315 words) - 10:59, 12 November 2024
quickly, creating a large voltage across the open circuit of the switch or relay. If the inductance is large enough, the energy may generate a spark, causing...
122 KB (15,170 words) - 17:48, 31 October 2024
applications could include those involving computer control of motors or relays, where the current is amplified from a safe low level of the computer output...
9 KB (1,317 words) - 02:05, 13 October 2024
controlled reed relays, and this looked promising. One of Ericsson's marketing points for crossbar was that it used precious-metal contacts, but reed relays would...
63 KB (8,293 words) - 02:44, 15 May 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
8 KB (884 words) - 09:54, 15 September 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
55 KB (6,797 words) - 13:40, 13 November 2024
Transformer Varistor Wire Wollaston wire Reactive Capacitor types Ceramic resonator Crystal oscillator Inductor Parametron Relay reed relay mercury relay...
21 KB (2,487 words) - 10:08, 30 October 2024