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Topic: Relay

Related Topics

Switch

Ladder logic

Analogue switch

Circuit breaker

Relay race

Centrifugal switch

Circuit breaker panel

Controller (control theory)

Thermostat

Electricity meter

Digital circuit

Programmable logic controller

Smart card

Logic gate

Spark gap

	Relay - Wikipedia, the free encyclopedia
		Relay is also another name for a Repeater and a series of medium-altitude satellites; the first of which was launched in 1962.
		A relay is an electrical switch that opens and closes under control of another electrical circuit.
		Although such relays once were the backbone of automation in such industries as automobile assembly, the programmable logic controller mostly displaced the machine tool relay from sequential control applications.
	en.wikipedia.org /wiki/Relay (2379 words)

	Relay race - Wikipedia, the free encyclopedia
		In sprint relays, runners typically use a "blind handoff", where the second runner stands on a spot predetermined in practice and starts running when the first runner hits a visual mark on the track (usually a smaller triangle).
		In athletics, the two standard relays are the 4x100 meter relay and the 4x400 meter relay.
		The world's largest relay race (in terms of total participation) is Hood to Coast, whose 197 mile (317 km) course runs from Mount Hood to the Oregon Coast.
	en.wikipedia.org /wiki/Relay_race (597 words)

	Relay - Facts, Information, and Encyclopedia Reference article
		Relay is also the name of a series of medium-altitude satellites; the first of which was launched in 1962.
		Some common relays may be wired to electrically latch, which offers no power saving but does ensure that the relay returns to a known state during and after a power outage.
		The overload sensing devices are a form of heat operated relay where a coil heats a bi-metal strip to open contacts, or where a solder pot melts, releasing a spring to operate contacts.
	www.startsurfing.com /encyclopedia/r/e/l/Relays.html (1470 words)

	Lessons In Electric Circuits -- Volume IV (Digital) - Chapter 5
		The relay coil which produces the magnetic field may only consume fractions of a watt of power, while the contacts closed or opened by that magnetic field may be able to conduct hundreds of times that amount of power to a load.
		A special type of relay is one which monitors the current, voltage, frequency, or any other type of electric power measurement either from a generating source or to a load for the purpose of triggering a circuit breaker to open in the event of an abnormal condition.
		One disadvantage of solid state relays is their tendency to fail "shorted" on their outputs, while electromechanical relay contacts tend to fail "open." In either case, it is possible for a relay to fail in the other mode, but these are the most common failures.
	www.ibiblio.org /obp/electricCircuits/Digital/DIGI_5.html (4065 words)

	NetHistory
		We all know that Relay is definitely a hot item for debate, whether you want to discuss if it should exist or not, if it should be restricted or not, if operators are fair or not, or any other piece of this complex puzzle.
		Relay 1.24 was released in early May 1987 and contained the code necessary to enforce this lockout.
		Their staff replied "We have monitored several channels on Relay on numerous occasions and have seen nothing to indicate that Relay would be of any benefit to Virginia Tech." That general idea echoes throughout the entire history of Relay.
	nethistory.dumbentia.com /relayhist.html (4572 words)

	Frame Relay Encyclopedia Article @ TheEntireWeb.com (The Entire Web) (Site not responding. Last check: 2007-10-22)
		In the context of computer networking, frame relay (also found written as "frame-relay") consists of an efficient data transmission technique used to send digital information quickly and cheaply in a relay of frames to one or many destinations from one or many end-points.
		Frame relay uses the concept of shared-access and relies on a technique referred to as "best-effort", whereby error-correction practically does not exist and practically no guarantee of reliable data delivery occurs.
		Frame relay aimed to make more efficient use of existing physical resources, which allow for the underprovisioning of data services by telecommunications companies (telcos) to their customers, as most clients were unlikely to be utilizing a data service 100 percent of the time.
	theentireweb.com /encyclopedia/Frame_Relay (2406 words)

	Relay For Life Of Brooke/Hancock - 2006 - Home
		Relay For Life® is a fun-filled overnight event designed to celebrate survivorship and raise money to help the American Cancer Society save lives, help those who have been touched by cancer, and empower individuals to fight back against this disease.
		Relay is much more than a walk around a track.
		Relay gives you the power to help accelerate the Society’s advancement toward a future where cancer doesn’t take the lives of our friends and family.
	www.acsevents.org /faf/home/default.asp?ievent=147022&lis=1&kntae147022=080E7E14725247DF8FDC28D0C2740FBF (172 words)

	Howstuffworks "How Relays Work" (Site not responding. Last check: 2007-10-22)
		A relay is a simple electromechanical switch made up of an electromagnet and a set of contacts.
		Relays are found hidden in all sorts of devices.
		In this article, we will look at how relays work and a few of their applications.
	electronics.howstuffworks.com /relay.htm (81 words)

	UCCF - Relay home
		Relay is an intensive discipleship and training programme.
		Recent graduates spend one academic year with UCCF receiving teaching and training at 3 conferences as well as being part of a UCCF regional team, receiving input at team days and supporting CU members under the supervision, and with the support, of a Christian Union Staff Worker.
		Relay Workers depend directly on God’s provision for their financial needs.
	www.uccf.org.uk /relay (153 words)

	SPDT Automotive Relays
		When the coil of the relay is at rest (not energized), the common terminal (30) and the normally closed terminal (87a) have continuity.
		When energizing the coil of a relay, polarity of the coil does not matter unless there is a diode across the coil.
		If you are still unclear about what a relay does or if you should use one after you browse through the rest of this section, please post a question at the12volt's install bay.
	www.the12volt.com /relays/relays.asp (552 words)

	Internet Relay Chat Encyclopedia Article @ TheBottomDollar.com (The Bottom Dollar) (Site not responding. Last check: 2007-10-22)
		Oikarinen found inspiration in Bitnet Relay Chat which operated on the Bitnet network.
		IRC gained prominence when it was used to report on the Soviet coup attempt of 1991 throughout a media flout.
		Encryption: For the client-to-server leg of the connection SSL might be used (messages cease to be secure once they are relayed to other users on standard connections, but it makes eavesdropping on or wiretapping an individual's IRC sessions difficult).
	www.thebottomdollar.com /encyclopedia/Internet_relay_chat (3011 words)

	MoMA.org \| Calendar of Events \| Adult and Academic Programs \| 2005 \| RELAY ~ NYC!
		For its United States premiere, Relay is presented by Cubic Second, under the artistic direction of flutist and composer Jane Rigler.
		The musicians chosen for this Relay are all internationally acclaimed improvisers and composers celebrated for their revolutionary work.
		Relay has been taken up by other improvisers worldwide and performed at various venues where the performers and audience walk to and from venues, as well as inside such buildings as El Museo Nacional Centro de Arte Reina Sofía, Madrid.
	www.moma.org /events/adult/2005/relay_2005.html (344 words)

	Relay For Life: Cancer Council NSW
		Member of the Hornsby Relay organising committee, and survivor of cervical cancer "Sometimes when people are suffering from cancer you can feel a bit helpless and you feel you can't do anything.
		We had an absolute blast participating - the cold watches of the late night shift and the wee early hours were some of the most fun as the camaraderie of the teams all working to the same goal was just fantastic.
		She was referring to the camaraderie amongst people as they walk the track - you can talk to anyone about your cancer experience, which you can't always do in everyday life.
	www.relay.cancercouncil.com.au /about.testimonials.html (317 words)

	Internet Relay Chat - Wikipedia, the free encyclopedia
		You can see all the channels in a server using the command /list [#string] [-min #] [-max #] that lists all currently available channels, optionally filtering for parameters (#string for the entire or part of the name, with wildcards, and #min / #max for number of users in the channel).
		A program that runs as a daemon on a Server and functions as a persistent proxy is known as a bouncer.
		A bouncer's purpose is to maintain a connection to an IRC server, acting as a relay between it and the connecting client.
	en.wikipedia.org /wiki/IRC (3775 words)

	What is open relay? - A Word Definition From the Webopedia Computer Dictionary
		Also referred to as an open relay server, an SMTP e-mail server that allows a third party to relay e-mail messages, i.e., sending and/or receiving e-mail that is not for or from a local user.
		Open relays make it possible for mobile users to connect to corporate networks by going first through a local ISP, which then forwards the message to their home ISP, which then forwards the message to the final destination.
		However, a downside of open relay technology is the proliferation of its usage by spammers looking to obscure or even hide the source of the large-volume e-mails they send.
	www.webopedia.com /TERM/o/open_relay.html (162 words)

	What is open relay? - a definition from Whatis.com - see also: insecure relay, third-party relay
		In the past, open relays were used intentionally, for example, to facilitate mail relay between the separate closed e-mail systems (such as UUCP or FidoNet) or to allow network administrators to debug mail connectivity issues and route mail around known problems.
		Spammers have learned that by hijacking open relays, they can in effect "launder" their spam, delivering their unsolicited e-mail while spoofing their identity to make their messages appear to come from a legitimate source.
		By relaying mail through several open relay mail servers at the same time, it is possible to flood the Internet with large amounts of junk mail in a very short period of time before being detected.
	whatis.techtarget.com /definition/0,,sid9_gci782509,00.html (529 words)

	IP Relay Service (Site not responding. Last check: 2007-10-22)
		When conversing over IP Relay, people who are deaf, hard of hearing, or have difficulty speaking can participate in a conference call or go online while holding a conversation.
		IP Relay permits much faster typing and allows users to see much more of the conversation on their computer screens than they can see with a TTY LCD window.
		Relay vendors are selected on the basis of their quality assurances and their service features, rather than solely on their costs.
	www.fcc.gov /cgb/consumerfacts/iprelay.html (653 words)

	Frame Relay
		Frame Relay often is described as a streamlined version of X.25, offering fewer of the robust capabilities, such as windowing and retransmission of last data that are offered in X.25.
		This is because Frame Relay typically operates over WAN facilities that offer more reliable connection services and a higher degree of reliability than the facilities available during the late 1970s and early 1980s that served as the common platforms for X.25 WANs.
		Frame Relay is a networking protocol that works at the bottom two levels of the OSI reference model: the physical and data link layers.
	www.cisco.com /univercd/cc/td/doc/cisintwk/ito_doc/frame.htm (3455 words)

	Relay, Relay Manufacturer and relays Factory--China NINGBO SHENLE RELAY MFG CO.,LTD (Site not responding. Last check: 2007-10-22)
		Relays include general purpose relays, auto relays, high power relays, signal relays, automotive relay, pc board relay, general relay, frame relay, open relay, contact relay, electrical relay, reed relay, control relay, power window relay, electronic relay, electromagnetic relay and reed relays.
		The elecromechanical relays: JQC-3FC, JQX - 15(4500) / HAT901 /T90, JQX -15F(4501) /HAT902/T91 are all approved by UL and CUL.
		Our auto relays including 3604 - 048, 3604 -049 and 3604 -062 are mainly exported to USA since 2001.
	www.newrelay.com (164 words)

	ACS :: Relay For Life
		Relay For Life is a fun-filled overnight event designed to celebrate survivorship and raise money for research and programs of your American Cancer Society.
		Relay offers something for everyone, from the newly diagnosed, to caregivers and friends, to long-term survivors.
		Relay For Life represents the hope that those lost to cancer will never be forgotten, that those who face cancer will be supported, and that one day cancer will be eliminated.
	www.cancer.org /docroot/par/content/PAR_1_Relay_For_Life.asp (335 words)

	Relay Wiring (Site not responding. Last check: 2007-10-22)
		A relay is typically used to control a component that draws high amperage.
		The relay allows full power to the component without needing a switch that can carry the amps.
		In the case of a horn, the horn button would be used to switch the ground lead(85) and power(86) would be provided directly from the fuse box.
	www.ado13.com /techs/relay.htm (109 words)

	RELaY European Christian Network-Communities,Christian leaders, Prayer Groups and Youth Leaders (Site not responding. Last check: 2007-10-22)
		For the first time the European Catholic Charismatic Renewal and RELaY (Reconciliation, Evangelization, Leadership and Youth) are partnering together to organize a conference for European Leaders.
		We will hear from European Catholic leaders who are seeing a measure of success in their evangelistic endeavours and we will be able to look more closely at some of the lessons that have been learnt in the various workshops that will be offered.
		RELaY is a European network which promotes Reconciliation among Christians, the Re-Evangelization of Europe, the formation of Lay Leaders and the mobilization of Youth for the work of the Gospel.
	www.relay-network.org (945 words)

	Mail relay testing (Site not responding. Last check: 2007-10-22)
		This can report false positives, hosts that appear to be open relays but actually aren't because they reject or discard a message after appearing to accept it.
		You must be a registered abuse.net user, and the relayed message will be addressed to you.
		To limit the likelihood of abuse, the relay tester limits the number of tests a single user can make to ten per hour.
	www.abuse.net /relay.html (269 words)

	Tipsheet: How To Use Telecommunications Relay Service
		Relay Service is available 24 hours a day, 365 days a year, with no restrictions on the length or number of calls placed.
		The relay service makes it possible for teachers in postsecondary settings to notify deaf, hard of hearing, deaf-blind, or speech-disabled students of any class changes or cancellations.
		The most common device used to make a relay call is a TTY that can be used together with a phone handset.
	www.netac.rit.edu /publication/tipsheet/relaya.html (1053 words)

	Turning OFF Your New Beetle's Daytime Running Lights
		Relay 8 is in the second position (from left to right) of the second row.
		Take the top off the relay by gently prying the cover from the base - it's attached at the base on two sides.
		Put the cover back on the relay and gently plug the relay back into the circuit board behind the headlight switch.
	www.infive.com /NB.html (559 words)

	RELAY UTAH ONLINE
		The Relay Utah service was initiated in 1988 as one of the first Relay services established in the United States.
		Housed under the umbrella of the Public Service Commission, Relay Utah provides access to hearing assistive equipment and telephone relay services, through Sprint, to allow Utah citizens who are deaf, hard of hearing or speech disabled more efficient communication.
		Relay Utah strives to make it possible for these individuals and those who have difficulty with speech to independently communicate with each other and with the hearing community.
	www.relayutah.gov (176 words)

	MAPS - Support - Application Note: How to secure your mail system against third-party relay
		It appears that at the moment, the only relay control IT House supports is "Allow relays for local domains only." This will allow anybody whose From: address matches one of the domains you're hosting to relay; spammers are known to forge that to take advantage of such relays.
		Instructions for relay control in Version 3.5, software.com will warn you that you should only edit these settings if you are experienced, but if you've gotten this far then you're clearly experienced enough to point and click.
		For true relay security, we suggest choosing the "In general, restrict relay mail except as indicated below" option and then entering the IP addresses which should be permitted to relay.
	www.mail-abuse.com /an_sec3rdparty.html (5271 words)

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