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AU156904B2 - Arrangement for improving the contrast of luminous screen images - Google Patents

Arrangement for improving the contrast of luminous screen images

Info

Publication number
AU156904B2
AU156904B2 AU7221/52A AU722152A AU156904B2 AU 156904 B2 AU156904 B2 AU 156904B2 AU 7221/52 A AU7221/52 A AU 7221/52A AU 722152 A AU722152 A AU 722152A AU 156904 B2 AU156904 B2 AU 156904B2
Authority
AU
Australia
Prior art keywords
contrast
improving
arrangement
screen images
luminous screen
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
AU7221/52A
Other versions
AU722152A (en
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.)
Nokia Services Ltd
Original Assignee
Standard Telephone and Cables Pty Ltd
Filing date
Publication date
Application filed by Standard Telephone and Cables Pty Ltd filed Critical Standard Telephone and Cables Pty Ltd
Application granted granted Critical
Publication of AU156904B2 publication Critical patent/AU156904B2/en
Publication of AU722152A publication Critical patent/AU722152A/en
Expired legal-status Critical Current

Links

AU7221/52A 1952-01-04 Arrangement for improving the contrast of luminous screen images Expired AU156904B2 (en)

Publications (2)

Publication Number Publication Date
AU156904B2 true AU156904B2 (en) 1952-03-06
AU722152A AU722152A (en) 1952-03-06

Family

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