CA757760A - Photochromic display using cathode ray tube - Google Patents

Photochromic display using cathode ray tube

Info

Publication number
CA757760A
CA757760A CA757760A CA757760DA CA757760A CA 757760 A CA757760 A CA 757760A CA 757760 A CA757760 A CA 757760A CA 757760D A CA757760D A CA 757760DA CA 757760 A CA757760 A CA 757760A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
photochromic display
photochromic
display
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
CA757760A
Inventor
L. Bjelland Harley
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.)
National Cash Register Co
Original Assignee
National Cash Register Co
Publication date
Application granted granted Critical
Publication of CA757760A publication Critical patent/CA757760A/en
Expired legal-status Critical Current

Links

CA757760A Photochromic display using cathode ray tube Expired CA757760A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA757760T

Publications (1)

Publication Number Publication Date
CA757760A true CA757760A (en) 1967-04-25

Family

ID=36194869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA757760A Expired CA757760A (en) Photochromic display using cathode ray tube

Country Status (1)

Country Link
CA (1) CA757760A (en)

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