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AU239436B2 - Improvements in or relating to optical systems for devices for striking a carbon arc, for example cinematograph projectors - Google Patents

Improvements in or relating to optical systems for devices for striking a carbon arc, for example cinematograph projectors

Info

Publication number
AU239436B2
AU239436B2 AU52739/59A AU5273959A AU239436B2 AU 239436 B2 AU239436 B2 AU 239436B2 AU 52739/59 A AU52739/59 A AU 52739/59A AU 5273959 A AU5273959 A AU 5273959A AU 239436 B2 AU239436 B2 AU 239436B2
Authority
AU
Australia
Prior art keywords
striking
relating
devices
optical systems
carbon arc
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
AU52739/59A
Other versions
AU5273959A (en
Inventor
Johannes Cuppens Bernardus
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU239436B2 publication Critical patent/AU239436B2/en
Publication of AU5273959A publication Critical patent/AU5273959A/en
Expired legal-status Critical Current

Links

AU52739/59A 1959-09-14 Improvements in or relating to optical systems for devices for striking a carbon arc, for example cinematograph projectors Expired AU239436B2 (en)

Publications (2)

Publication Number Publication Date
AU239436B2 true AU239436B2 (en) 1960-03-17
AU5273959A AU5273959A (en) 1960-03-17

Family

ID=

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