CA884546A - Control unit for projection type position indicator - Google Patents

Control unit for projection type position indicator

Info

Publication number
CA884546A
CA884546A CA884546A CA884546DA CA884546A CA 884546 A CA884546 A CA 884546A CA 884546 A CA884546 A CA 884546A CA 884546D A CA884546D A CA 884546DA CA 884546 A CA884546 A CA 884546A
Authority
CA
Canada
Prior art keywords
control unit
position indicator
projection type
type position
projection
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
CA884546A
Inventor
F. Kirsch Andrew
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
Publication date
Application granted granted Critical
Publication of CA884546A publication Critical patent/CA884546A/en
Expired legal-status Critical Current

Links

CA884546A Control unit for projection type position indicator Expired CA884546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA884546T

Publications (1)

Publication Number Publication Date
CA884546A true CA884546A (en) 1971-10-26

Family

ID=36390869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA884546A Expired CA884546A (en) Control unit for projection type position indicator

Country Status (1)

Country Link
CA (1) CA884546A (en)

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