SG79885A1 - Electrooptical filter cartridge and a method for manufacturing the same - Google Patents

Electrooptical filter cartridge and a method for manufacturing the same

Info

Publication number
SG79885A1
SG79885A1 SG9600762A SG1996000762A SG79885A1 SG 79885 A1 SG79885 A1 SG 79885A1 SG 9600762 A SG9600762 A SG 9600762A SG 1996000762 A SG1996000762 A SG 1996000762A SG 79885 A1 SG79885 A1 SG 79885A1
Authority
SG
Singapore
Prior art keywords
manufacturing
same
filter cartridge
electrooptical
electrooptical filter
Prior art date
Application number
SG9600762A
Inventor
Ackermann Emil
Original Assignee
Optrel Ag
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
Application filed by Optrel Ag filed Critical Optrel Ag
Priority to SG9600762A priority Critical patent/SG79885A1/en
Publication of SG79885A1 publication Critical patent/SG79885A1/en

Links

SG9600762A 1994-10-04 1994-10-04 Electrooptical filter cartridge and a method for manufacturing the same SG79885A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG9600762A SG79885A1 (en) 1994-10-04 1994-10-04 Electrooptical filter cartridge and a method for manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG9600762A SG79885A1 (en) 1994-10-04 1994-10-04 Electrooptical filter cartridge and a method for manufacturing the same

Publications (1)

Publication Number Publication Date
SG79885A1 true SG79885A1 (en) 2001-04-17

Family

ID=20429202

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9600762A SG79885A1 (en) 1994-10-04 1994-10-04 Electrooptical filter cartridge and a method for manufacturing the same

Country Status (1)

Country Link
SG (1) SG79885A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071912A (en) * 1974-12-02 1978-02-07 Revue Thommen Ag Light filter for welder's mask
DE3025784A1 (en) * 1980-07-08 1982-02-11 Robert Bosch Gmbh, 7000 Stuttgart Indicator appts. - has single glass plate carrying liquid crystals with electronic control circuit, conductors and masks
JPH03185391A (en) * 1989-12-15 1991-08-13 Sousei Denshi:Kk Simple weather meter
EP0536081A1 (en) * 1991-08-27 1993-04-07 Optrel Ag Light protection filter with filtering element having electrically ajustable transmission
US5243453A (en) * 1990-03-02 1993-09-07 Hitachi, Ltd. Anti-moisture structures for use with a liquid crystal display

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071912A (en) * 1974-12-02 1978-02-07 Revue Thommen Ag Light filter for welder's mask
DE3025784A1 (en) * 1980-07-08 1982-02-11 Robert Bosch Gmbh, 7000 Stuttgart Indicator appts. - has single glass plate carrying liquid crystals with electronic control circuit, conductors and masks
JPH03185391A (en) * 1989-12-15 1991-08-13 Sousei Denshi:Kk Simple weather meter
US5243453A (en) * 1990-03-02 1993-09-07 Hitachi, Ltd. Anti-moisture structures for use with a liquid crystal display
EP0536081A1 (en) * 1991-08-27 1993-04-07 Optrel Ag Light protection filter with filtering element having electrically ajustable transmission

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