Converter, television

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OBJECT TYPE
VHF
DATE
1958
ARTIFACT NUMBER
2018.0232.001
MANUFACTURER
Unknown
MODEL
CDZ-713
LOCATION
Unknown

More Information


General Information

Serial #
283
Part Number
1
Total Parts
1
AKA
Converter Amplifier
Patents
N/A
General Description
A metal object that has some gold plating as well as other metal, wood and fibre elements/Un objet fait avec du matériel plaqué en or ainsi que d'autres composantes en métal, en bois et en feutre.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
25.0 cm
Width
40.5 cm
Height
18.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Commemorative
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Ontario
Period
This artifact was gold plated and then presented to the donor by Rogers Cable Systems on May 23, 1984, as a token of “appreciation for your contributions to the communications industry.”
Canada
This artifact represents the development of one of Canada’s earliest commercial cable television systems because of Edwin R. Jarmain. In 1952, he successfully established an experimental cable operation in London, Ontario. He increased reliable access to over-the-air television by erecting a large rhombic antenna, and then transmitting—via cable. The rhombic antenna could pull down a stronger signal and provide a much more reliable television service. By 1974, service had expanded to 100,000 homes in Ontario, prompting Jarmain and his sons to go public as Canadian Cablesystems Inc. The company was bought out by Rogers Communications in 1979. In 2011, Jarmain was inducted into Canada's Telecommunications Hall of Fame as “the acknowledged father and pioneer of cable television in Canada.” L’objet représente le développement d’un des plus jeunes systèmes de télévision a câble au Canada grâce Edwin R. Jarmain. En 1952 il a établi un système prototype d'opération de câble à London, Ontario. Il a augmenté l’accès à la télévision en directe en construisant une antenne rhombique et en transmissent via câble. L'antenne pouvait tirer un signal plus fiable qui était plus fort et favorable pour les services de télévision. En 1974 le service a grossi à 100,000 maisons et Jarmain a pris la décision d'aller public avec le nom Canadian Cablesystems Inc. La compagnie a été achetée par Rogers Communications en 1979. En 2011 Jarmain a été intronisée au Temple de la Renommée pour les Télécommunications du Canada et a été reconnu comme le père et pionnier de la télévision a câble au Canada.
Function
This converter amplifier is used to convert low-band channels to high-band channels at cable distribution points. Cet amplificateur est utilisé pour convertir des canaux a faible bande passante à des canaux à forte bande passante à des points de distribution par câbles.
Technical
The CDX-713 is reported to have been manufactured by Jerrold on request of Ed Jarmain, who needed it to expand the number of channels offered to his company’s subscribers. The CDX 713 converters with the LSA-795 trunk and allowed London Cable TV to expand to 12 Channels. Le CDX-713 a été construit par la compagnie Jerrold pour Ed Jarmain qui en avait de besoins de l’objet pour l’expansion du nombre de canaux que sa compagnie voulait offrir à ces abonnées. Le CDX-713 pouvait convertir avec l’aide du LSA-795 et permettais à London Cable TV d’augmenter le nombre de canaux offerte à ces clients à 12 canaux.
Area Notes
Unknown

Details

Markings
On top of the metal box/Sur le dessus de la boite en métal: "JERROLD, CONVERTER/ AMPLIFIER/ MODEL CDX-713/ SERIAL NO/ 283/ MADE IN U.S.A./ JERROLD ELECTRONICS CORPORATION", On the plaque on the front of the artifact/Sur la plaque qui est sur le devant de l'artefact: "PRESENTED TO/ E.R. JARMAIN/ WITH APPRECIATION FOR YOUR CONTRIBUTIONS TO THE/ COMMUNICATIONS INDUSTRY FROM COLLEAGUES AT/ ROGERS CABLE SYSTEMS/ 23RD MAY, 1984", On the cylinders/Sur les cylindres: "160/6/ ELCO, 160, 160, ELCO/TS103U03/160".
Missing
None apparent/L'objet a toutes ces pièces.
Finish
A brown wooden base has a gold coloured plaque on its front with black lettering. On top of the wood base sits a gold-plated box with six cylindrical tubes as well as nuts, bolts and screws. A manufacturing plate sits on the proper left side of the box with white lettering and a serial number. The artifact also has a green felt bottom under the wood base. Une base en bois de couleur brune avec une plaque en or sur sa face du devant a un lettrage noir dessus. Sur le dessus de la base il y a une boite plaquée en or avec six tuyaux en forme de cylindre ainsi que des visses, des écrous et des boulons. Une plaque du fabricateur est visible sur le bon côté gauche de la boite avec un lettrage blanc et un numéro de série. L'objet a aussi une base recouverte en feutre dessous la base de bois.
Decoration
N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Unknown Manufacturer, Converter, television, circa 1958, Artifact no. 2018.0232, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/2018.0232.001/

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