Keypad

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OBJECT TYPE
VIDEOTEX/TELIDON
DATE
1981
ARTIFACT NUMBER
1985.0383.001
MANUFACTURER
Norpak Corp.
MODEL
TELIDON
LOCATION
Kanata, Ontario, Canada

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
PLASTIC CASING, KEYS, POWER CORD/ METAL SHEETS COVERING FRONT/ METAL & SYNTHETIC WORKING PARTS

Dimensions

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

Length
15.1 cm
Width
7.5 cm
Height
3.3 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Computing Technology
Category
Digital peripheral devices
Sub-Category
N/A

Manufacturer

AKA
Norpak
Country
Canada
State/Province
Ontario
City
Kanata

Context

Country
Canada
State/Province
Ontario
Period
1981-1985
Canada
This was part of a Canadian developed videotex technology (alphageometric class). The Telidon program began on August 15, 1978 and ended on March 31, 1985.
Function
Used to input data into Telidon decoder, probably Telidon videotex MK1 decoder 1985.0380, which was the first generation generation videotex decoder used forTelidon graphics images..
Technical
According to Douglas O'Brien, system engineer on the Telidon project, keyboards were usually used for business, office or laboratory environments as keypads were meant for Telidon home systems. This keypad was manufactured from a repurposed calculator. Plastic injection molding was very expensive, so it was cheaper to purchase and modify an existing calculator with a new circuit board. This was especially the case when equipment was manufactured for a field trial, which only used a certain amount of equipment. In 1983, the North American Presentation Level Protocol Syntax (NAPLPS) graphics language develop from the Canadian Telidon system was formalized, ratified and adopted as a world standard for graphics transmission by computer.
Area Notes
Unknown

Details

Markings
BLACK 'Telidon' & BLUE 'norpak' ON FRONT/ BLACK NUMBERS & SYMBOLS FOR KEYS/ BLUE PRINTED INSTRUCTIONS/ RAISED 'MADE IN HONG KONG' ON CASING BACK
Missing
Unknown
Finish
BLACK CASING & KEYS/ BRUSHED METAL FINISH/ GREY POWER CORD
Decoration
BLUE LINING AROUND EDGES OF METAL FRONT PLATE

CITE THIS OBJECT

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

Norpak Corp., Keypad, circa 1981, Artifact no. 1985.0383, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1985.0383.001/

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