About: Tennelec

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Tennelec was a US electronics company founded in the early 1960s by Edward Fairstein in Oak Ridge, Tennessee. The company came to prominence producing instrumentation for nuclear studies and later, programmable scanning radios. The TC-200 amplifier was a successful early design that established Tennelec as a leader in the nuclear instrumentation field. Following on the heels of the TC-200 success, the company developed additional components necessary for precise nuclear measurement, including detectors and particle counters.

Attributes	Values
rdf:type	Thing company schema:Organization dul:Agent dul:SocialPerson agent wikidata:Q24229398 Organization Business enterprise yago:Abstraction100002137 yago:Company108058098 yago:ElectronicsCompany108003035 yago:Group100031264 yago:Institution108053576 yago:Organization108008335 yago:YagoLegalActor yago:YagoLegalActorGeo yago:YagoPermanentlyLocatedEntity organisation yago:SocialGroup107950920 yago:WikicatElectronicsCompaniesOfTheUnitedStates
rdfs:label	Tennelec (en)
rdfs:comment	Tennelec was a US electronics company founded in the early 1960s by Edward Fairstein in Oak Ridge, Tennessee. The company came to prominence producing instrumentation for nuclear studies and later, programmable scanning radios. The TC-200 amplifier was a successful early design that established Tennelec as a leader in the nuclear instrumentation field. Following on the heels of the TC-200 success, the company developed additional components necessary for precise nuclear measurement, including detectors and particle counters. (en)
dct:subject	Radio manufacturers Electronics companies of the United States Companies based in Tennessee
Wikipage page ID	2883528 (xsd:integer)
Wikipage revision ID	1081147341 (xsd:integer)
Link from a Wikipage to another Wikipage	Binary code Consumer Electronics Show Radio manufacturers Division (business) Areva Electronics companies of the United States Companies based in Tennessee Chicago Oak Ridge, Tennessee Scanner (radio) SBE (company) Radio Shack
sameAs	Tennelec Tennelec Tennelec Tennelec Tennelec
dbp:wikiPageUsesTemplate	dbt:Citation_needed dbt:Commons dbt:Infobox_company dbt:Refimprove dbt:Dmoz
founder	Edward Fairstein (en)
hq location city	Oak Ridge, Tennessee
parent	Canberra Industries (en)
type	Division (business)
has abstract	Tennelec was a US electronics company founded in the early 1960s by Edward Fairstein in Oak Ridge, Tennessee. The company came to prominence producing instrumentation for nuclear studies and later, programmable scanning radios. The TC-200 amplifier was a successful early design that established Tennelec as a leader in the nuclear instrumentation field. Following on the heels of the TC-200 success, the company developed additional components necessary for precise nuclear measurement, including detectors and particle counters. Tennelec also manufactured innovative scanning radios in the 1970s. The first programmable radio scanner was the Memoryscan from Tennelec Commercial Products Division, introduced in 1974, and later known as the Memoryscan 1 (model MS-1). This was followed by a slightly improved model, the Memoryscan 2 (model MS-2). Prior to the MS-1 and MS-2, scanners were "programmed" by inserting a series of hand-cut crystals tuned for different frequencies. The scanner would then switch between the frequencies, stopping when the user pressed a switch. With the MS-1 and MS-2, the user selected up to 16 frequencies they wanted to monitor by setting them up using binary codes entered via two pushbuttons on the front panel. Sixteen toggle switches allowed the user to select which frequencies were of interest at any given time. The system could cycle through the selected frequencies until stopped. The advantage was that the system could be set up to monitor different sets of frequencies, e.g., police one night, fire departments the next. The first scanner allowing direct entry of decimal frequencies on a keypad, was the Tennelec MCP-1. The scanner was released at the Winter 1976 Consumer Electronics Show in Chicago. The system was a hit, and was soon picked up for Radio Shack. To help users get started, Radio Shack also purchased thousands of copies of Police Call, a guide to various radio frequencies Partly due to poor quality control of their scanner line, Tennelec filed for bankruptcy soon after introducing their latest radio models. By this point other manufacturers, in particular SBE and Regency and Electra, had already introduced their own programmable models. Tennelec, still located in Oak Ridge, TN, is now a division of Canberra Industries, which is owned by Areva. (en)
gold:hypernym	Company
prov:wasDerivedFrom	wikipedia-en:Tennelec?oldid=1081147341&ns=0
page length (characters) of wiki page	4062 (xsd:nonNegativeInteger)
location city	Oak Ridge, Tennessee
type	Division (business)
foaf:isPrimaryTopicOf	wikipedia-en:Tennelec
is Link from a Wikipage to another Wikipage of	Nuclear electronics Radio scanner
is foaf:primaryTopic of	wikipedia-en:Tennelec

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