Detector, obstacle
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Ingenium,
1985.0813.001
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- OBJECT TYPE
- ULTRASONIC RADAR
- DATE
- 1970
- ARTIFACT NUMBER
- 1985.0813.001
- MANUFACTURER
- National Research Council Canada
- MODEL
- MODIFIED MK.III
- LOCATION
- Ottawa, Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 4
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL CASE; PLASTIC (?) HANDLE
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 16.7 cm
- Width
- 5.0 cm
- Height
- 16.8 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Medical Technology
- Category
- Research
- Sub-Category
- N/A
Manufacturer
- AKA
- NRC
- Country
- Canada
- State/Province
- Ontario
- City
- Ottawa
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- early 1970'S
- Canada
-
Canadian innovation designed and built by James Swail and David Hewitt in the Radio and Electrical Engineering Division of the National Research Counci (NRC)l. Swail, a blind engineer, had developed several innovative technologies for the blind during his time at the NRC between 1947 and 1985. - Function
-
Used by sight-impaired people to detect obstacles by means of ultrasound and to produce a tactile output to indicate their presence. - Technical
-
Transforms ultrasonic frequencies into vibrations. - Area Notes
-
Unknown
Details
- Markings
- "MODIFIED MK III. (1)TILTED TDCRS (2) SWEPT GAIN MOD (3) VOLTAGE REGULATOR" HANDWRITTEN IN BLUE BALLPOINT INK ON WHITE STICKER ATTACHED TO END; "Obstacle detector built by Dave Hewitt N.R.C." HANDWRITTEN IN BLACK MARKER ON END.
- Missing
- SIDE PANELS
- Finish
- CASE PAINTED GREY; HANDLE IS BROWN; SILVER-COLOURED METALSUPPORTS FOR HANDLE; SMALL LEVER ON SIDE OF HANDLE HITS TINY RED BUTTON WHEN PUSHED AND MAKES ACLICKING SOUND; CIRCUITRY VISIBLE.
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
National Research Council Canada, Detector, obstacle, circa 1970, Artifact no. 1985.0813, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1985.0813.001/
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