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SE406513B - OPTICAL FILTER - Google Patents

OPTICAL FILTER

Info

Publication number
SE406513B
SE406513B SE767608690A SE7608690A SE406513B SE 406513 B SE406513 B SE 406513B SE 767608690 A SE767608690 A SE 767608690A SE 7608690 A SE7608690 A SE 7608690A SE 406513 B SE406513 B SE 406513B
Authority
SE
Sweden
Prior art keywords
optical filter
filter
optical
Prior art date
Application number
SE767608690A
Other languages
Swedish (sv)
Other versions
SE7608690L (en
Inventor
Sok
Original Assignee
Hornell Eke
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 US05/556,400 external-priority patent/US4052209A/en
Application filed by Hornell Eke filed Critical Hornell Eke
Priority to SE767608690A priority Critical patent/SE406513B/en
Publication of SE7608690L publication Critical patent/SE7608690L/en
Publication of SE406513B publication Critical patent/SE406513B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
SE767608690A 1975-03-07 1976-08-03 OPTICAL FILTER SE406513B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE767608690A SE406513B (en) 1975-03-07 1976-08-03 OPTICAL FILTER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/556,400 US4052209A (en) 1975-03-07 1975-03-07 Semiconductive and sensitized photoconductive compositions
SE767608690A SE406513B (en) 1975-03-07 1976-08-03 OPTICAL FILTER

Publications (2)

Publication Number Publication Date
SE7608690L SE7608690L (en) 1978-02-04
SE406513B true SE406513B (en) 1979-02-12

Family

ID=26656732

Family Applications (1)

Application Number Title Priority Date Filing Date
SE767608690A SE406513B (en) 1975-03-07 1976-08-03 OPTICAL FILTER

Country Status (1)

Country Link
SE (1) SE406513B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347383A (en) * 1989-06-12 1994-09-13 Osd Envizion Company High speed, low power driving circuit for liquid crystal shutter
US7026593B2 (en) 2003-08-11 2006-04-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
US7232988B2 (en) 2001-05-05 2007-06-19 Hamilton Thomas J Microprocessor based automatically dimmable eye protection device with interruption prevention

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5751258A (en) * 1991-03-25 1998-05-12 Osd Envizion, Inc. Liquid crystal lens driver electronics for eye protection, high speed shuttering with consistent performance
US5377032A (en) * 1993-02-05 1994-12-27 Osd Envizion Company Electro-optic light shutter and frame assembly with integrated switching mechanism
US6841772B1 (en) 2001-05-05 2005-01-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
US7477330B2 (en) 2005-03-09 2009-01-13 3M Innovative Properties Company Automatic darkening filter with offset polarizers
US20060285330A1 (en) 2005-06-20 2006-12-21 Ingvar Sundell Automatic darkening filter with automatic power management
US7637622B2 (en) 2005-10-11 2009-12-29 3M Innovative Properties Company Control of an automatic darkening filter

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347383A (en) * 1989-06-12 1994-09-13 Osd Envizion Company High speed, low power driving circuit for liquid crystal shutter
US7232988B2 (en) 2001-05-05 2007-06-19 Hamilton Thomas J Microprocessor based automatically dimmable eye protection device with interruption prevention
US7755019B1 (en) 2001-05-05 2010-07-13 Jackson Products, Inc. Microprocessor based automatically dimmable eye protection device with interruption prevention
US8119974B2 (en) 2001-05-05 2012-02-21 Kimberly-Clark Worldwide, Inc. Microprocessor based automatically dimmable eye protection device with interruption prevention
US7026593B2 (en) 2003-08-11 2006-04-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching
US7868278B2 (en) 2003-08-11 2011-01-11 Jackson Products, Inc. Eye-protection device having dual high voltage switching

Also Published As

Publication number Publication date
SE7608690L (en) 1978-02-04

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