Telephone, deaf-aid
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1993.0010.001
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- OBJECT TYPE
- KEYBOARD SEND RECEIVE (KSR)
- DATE
- 1981–1985
- ARTIFACT NUMBER
- 1993.0010.001
- MANUFACTURER
- Northern Telecom Ltd.
- MODEL
- VISUAL EAR 09R
- LOCATION
- Canada
More Information
General Information
- Serial #
- 802401804R (.1)
- Part Number
- 1
- 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'/.4: 'DYNAMIC INSTRUMENT CORP./ CSA 380/ MADE IN U.S.A./ CAT. NO. 03D0001/ 120V. 10.0 VDC/ 60HZ 600 MA/ 12W'
- 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://collections.ingeniumcanada.org/en/id/1993.0010.001/
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