AU3714958A - Improvements in light filters - Google Patents

Improvements in light filters

Info

Publication number
AU3714958A
AU3714958A AU37149/58A AU3714958A AU3714958A AU 3714958 A AU3714958 A AU 3714958A AU 37149/58 A AU37149/58 A AU 37149/58A AU 3714958 A AU3714958 A AU 3714958A AU 3714958 A AU3714958 A AU 3714958A
Authority
AU
Australia
Prior art keywords
light filters
filters
light
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
AU37149/58A
Other versions
AU229860B2 (en
Inventor
Victor Ridgeway Denis
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
Filing date
Publication date
Application filed by Pye Ltd filed Critical Pye Ltd
Application granted granted Critical
Publication of AU229860B2 publication Critical patent/AU229860B2/en
Publication of AU3714958A publication Critical patent/AU3714958A/en
Expired legal-status Critical Current

Links

AU37149/58A 1958-04-22 Improvements in light filters Expired AU229860B2 (en)

Publications (2)

Publication Number Publication Date
AU229860B2 AU229860B2 (en) 1958-10-23
AU3714958A true AU3714958A (en) 1958-10-23

Family

ID=

Similar Documents

Publication Publication Date Title
CA584450A (en) Light filtering arrangement
AU229860B2 (en) Improvements in light filters
AU3714958A (en) Improvements in light filters
CA563203A (en) Filter
CA559025A (en) Filter
AU223445B2 (en) Improvements in filter panels
AU231884B2 (en) Improvements in gas filters
AU231895B2 (en) Improvements in gas filters
CA553074A (en) Light polarizer
AU222694B2 (en) Improvements in Tacitrons
AU3879358A (en) Improvements in filter panels
AU4137058A (en) Improvements in gas filters
AU4030958A (en) Improvements in gas filters
AU227795B2 (en) Pleated head-coverings
AU225663B2 (en) Arrangement in sub-ceilings
CA559993A (en) Rejection filter
CA554086A (en) Air filter
CA555412A (en) Impingement-strainer combination air filter
AU223796B2 (en) Improvements in greenhouses
CA557437A (en) Filter assembly
AU233438B2 (en) Improvements in filters
AU215136B2 (en) Improvements in filters
AU218445B2 (en) Improvements in eight filters
CA563796A (en) Electro-mechanical filters
AU229736B2 (en) Improvements in or relating to slide projectors