AU494784B2 - Improvements in or relating to optical systems - Google Patents

Improvements in or relating to optical systems

Info

Publication number
AU494784B2
AU494784B2 AU78410/75A AU7841075A AU494784B2 AU 494784 B2 AU494784 B2 AU 494784B2 AU 78410/75 A AU78410/75 A AU 78410/75A AU 7841075 A AU7841075 A AU 7841075A AU 494784 B2 AU494784 B2 AU 494784B2
Authority
AU
Australia
Prior art keywords
relating
optical systems
optical
systems
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
AU78410/75A
Other versions
AU7841075A (en
Inventor
Horace Hopkins Harold
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.)
UK Secretary of State for Social Services
Original Assignee
UK Secretary of State for Social Services
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from GB7815/74A external-priority patent/GB1494082A/en
Application filed by UK Secretary of State for Social Services filed Critical UK Secretary of State for Social Services
Application granted granted Critical
Publication of AU494784B2 publication Critical patent/AU494784B2/en
Publication of AU7841075A publication Critical patent/AU7841075A/en
Expired legal-status Critical Current

Links

AU78410/75A 1974-02-20 1975-02-02 Improvements in or relating to optical systems Expired AU494784B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB7815/74 1974-02-20
GB7815/74A GB1494082A (en) 1974-02-20 1974-02-20 Viewing devices

Publications (2)

Publication Number Publication Date
AU494784B2 true AU494784B2 (en) 1976-08-26
AU7841075A AU7841075A (en) 1976-08-26

Family

ID=

Similar Documents

Publication Publication Date Title
AU492699B2 (en) Improvements in or relating to loudspeaker systems
AU476260B2 (en) Improvements in or relating to conveyor systems
AU472473B2 (en) Improvements in or relating to optical communications systems
AU483286B2 (en) Improvement in or relating to direction finders
AU467231B2 (en) Improvements in or relating to attenuation-correcting systems
AU494784B2 (en) Improvements in or relating to optical systems
AU7841075A (en) Improvements in or relating to optical systems
AU8497075A (en) Improvements in or relating to optical devices
AU484930B2 (en) Improvements in or relating to light fittings
AU493410B2 (en) Improvements in or relating to gel systems
AU7714575A (en) Improvements in or relating to transmission systems
AU8697675A (en) Improvements in or relating to gel systems
AU478672B2 (en) Improvements in or relating to agricultural systems
AU496389B2 (en) Improvements in or relating to coating glass
AU496677B2 (en) Improvements in or relating to light boxes
AU494877B2 (en) Improvements in or relating to cables
AU489922B2 (en) Improvements in or relating to cables
AU496617B2 (en) Improvements in or relating to elevator system
AU494245B2 (en) Improvements in or relating to optical fibre manufacture
AU479371B2 (en) Improvements in or relating to optical communications systems
AU468984B2 (en) Improvements in or relating to extrusion
AU470730B2 (en) Improvements in or relating to extrusion
AU8210175A (en) Improvements in or relating to coating glass
AU484425B2 (en) Improvements in or relating to transmission systems
AU8163975A (en) Improvements in or relating to cables