Telephone, deaf-aid

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Ingenium, 1993.0010.002
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OBJECT TYPE: KEYBOARD SEND RECEIVE (KSR)
DATE: 1981–1985
ARTIFACT NUMBER: 1993.0010.002

MANUFACTURER: Northern Telecom Ltd.
MODEL: VISUAL EAR 09R
LOCATION: Canada

More Information

General Information

Serial #: 8023006R
Part Number: 2
Total Parts: 4
AKA: N/A
Patents: N/A
General Description: SYNTHETIC/ METAL

Dimensions

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

Length: 23.0 cm
Width: 19.0 cm
Height: 8.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Medical Technology
Category: Assistive technologies
Sub-Category: N/A

Manufacturer

AKA: Northern Telecom
Country: Canada
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: 1981 THROUGH 1990
Canada: DEVELOPED BY BELL NORTHERN RESEARCH IN COOPERATION WITH THE ONTARIO MISSION OF THE DEAF TO REPLACE THE MECHANICAL TELEPRINTERS USED BY THE DEAF FOR TELEPHONIC COMMUNICATION/ MFG IN CANADA
Function: USED BY THE DEAF TO COMMUNICATE VIA THE NORMAL TELEPHONE NETWORK
Technical: PRIOR TO TDD'S, THE DEAF COMMUNICATED THROUGH THE TELEPHONE NETWORK VIA TELEPRINTERS WHICH USED A COUPLER TO CONVERT DC BAUDOT TOFM AUDIO TONES; THESE TONES WERE THEN CONVERTED INTO DC PULSES TO OPERATE THETELEPRINTER/ WITH THE PORTABLE TDD IT MADE IT POSSIBLE TO USE ANY PHONE (HOME, PAYPHONE ETC) TO COMMUNICATE
Area Notes: Unknown

Details

Markings: .1: BACK - '80240180P/ nt northern/ telecom/ NT0C50AB/ 09R/ MADE IN CANADA/ OCT 1982'/ DECAL: 'Communications/ Canada/ 332 082 A'/ FRONT - 'VISUAL EAR/ [STANDARD KEYBOARD]'/.2 SAME AS.1 EXCEPT: '8023006R' 'JUIN 1982'/ STICKER ON FRONT: 'GA= go ahead SK= sign off/ GA or SK= go ahead or sign off'
Missing: .1 & .2 BATTERY PACK
Finish: .1 &.2 DARK BROWN SHINY BODY; BROWN & ORANGE KEYS WITH WHITE PRINTING; BLACK STRAP & PHONE REST
Decoration: N/A

CITE THIS OBJECT

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

Northern Telecom Ltd., Telephone, deaf-aid, between 1981–1985, Artifact no. 1993.0010, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1993.0010.002/

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