CA770907A - Lens focussing systems and means for moving lens means of an optical projection system - Google Patents

Lens focussing systems and means for moving lens means of an optical projection system

Info

Publication number
CA770907A
CA770907A CA770907A CA770907DA CA770907A CA 770907 A CA770907 A CA 770907A CA 770907 A CA770907 A CA 770907A CA 770907D A CA770907D A CA 770907DA CA 770907 A CA770907 A CA 770907A
Authority
CA
Canada
Prior art keywords
lens
projection system
optical projection
focussing systems
moving
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
CA770907A
Inventor
H. Jeffree John
A. Sutton Dennis
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.)
CAPS (RESEARCH) Ltd
Original Assignee
CAPS (RESEARCH) Ltd
Publication date
Application granted granted Critical
Publication of CA770907A publication Critical patent/CA770907A/en
Expired legal-status Critical Current

Links

CA770907A Lens focussing systems and means for moving lens means of an optical projection system Expired CA770907A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA770907T

Publications (1)

Publication Number Publication Date
CA770907A true CA770907A (en) 1967-11-07

Family

ID=36214313

Family Applications (1)

Application Number Title Priority Date Filing Date
CA770907A Expired CA770907A (en) Lens focussing systems and means for moving lens means of an optical projection system

Country Status (1)

Country Link
CA (1) CA770907A (en)

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