CA865407A - Elevated observation device - Google Patents

Elevated observation device

Info

Publication number
CA865407A
CA865407A CA865407A CA865407DA CA865407A CA 865407 A CA865407 A CA 865407A CA 865407 A CA865407 A CA 865407A CA 865407D A CA865407D A CA 865407DA CA 865407 A CA865407 A CA 865407A
Authority
CA
Canada
Prior art keywords
observation device
elevated observation
elevated
observation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA865407A
Inventor
N. Leavitt John
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westinghouse Canada Inc
Original Assignee
Canadian Westinghouse Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canadian Westinghouse Co Ltd filed Critical Canadian Westinghouse Co Ltd
Application granted granted Critical
Publication of CA865407A publication Critical patent/CA865407A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
CA865407A 1968-02-03 1968-02-03 Elevated observation device Expired CA865407A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA11489 1968-02-03

Publications (1)

Publication Number Publication Date
CA865407A true CA865407A (en) 1971-03-09

Family

ID=4084008

Family Applications (1)

Application Number Title Priority Date Filing Date
CA865407A Expired CA865407A (en) 1968-02-03 1968-02-03 Elevated observation device

Country Status (1)

Country Link
CA (1) CA865407A (en)

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