DE2705865C2 - - Google Patents

Info

Publication number
DE2705865C2
DE2705865C2 DE19772705865 DE2705865A DE2705865C2 DE 2705865 C2 DE2705865 C2 DE 2705865C2 DE 19772705865 DE19772705865 DE 19772705865 DE 2705865 A DE2705865 A DE 2705865A DE 2705865 C2 DE2705865 C2 DE 2705865C2
Authority
DE
Germany
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
DE19772705865
Other versions
DE2705865A1 (de
Inventor
Wolfhart Dr.Med. 8000 Muenchen De Weede
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19772705865 priority Critical patent/DE2705865A1/de
Publication of DE2705865A1 publication Critical patent/DE2705865A1/de
Application granted granted Critical
Publication of DE2705865C2 publication Critical patent/DE2705865C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
    • G01M11/0285—Testing optical properties by measuring material or chromatic transmission properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/59—Transmissivity
DE19772705865 1977-02-11 1977-02-11 Verfahren und vorrichtung zum bestimmen des lichttransmissionsgrades und/oder der lichtreduktion von brillenglaesern und dergleichen Granted DE2705865A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19772705865 DE2705865A1 (de) 1977-02-11 1977-02-11 Verfahren und vorrichtung zum bestimmen des lichttransmissionsgrades und/oder der lichtreduktion von brillenglaesern und dergleichen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772705865 DE2705865A1 (de) 1977-02-11 1977-02-11 Verfahren und vorrichtung zum bestimmen des lichttransmissionsgrades und/oder der lichtreduktion von brillenglaesern und dergleichen

Publications (2)

Publication Number Publication Date
DE2705865A1 DE2705865A1 (de) 1978-08-17
DE2705865C2 true DE2705865C2 (de) 1987-02-26

Family

ID=6000958

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772705865 Granted DE2705865A1 (de) 1977-02-11 1977-02-11 Verfahren und vorrichtung zum bestimmen des lichttransmissionsgrades und/oder der lichtreduktion von brillenglaesern und dergleichen

Country Status (1)

Country Link
DE (1) DE2705865A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213485B4 (de) * 2002-03-17 2005-10-06 Rodenstock Gmbh Vorrichtung und Verfahren zur Messung des Lichttransmissionsgrades eines Prüflings mittels einer Streukörpereinheit
US20230005389A1 (en) * 2019-05-14 2023-01-05 Johnson & Johnson Vision Care, Inc. Light-sensitive photochromic contact lens demonstration devices and related methods

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094440B1 (de) * 1982-05-13 1986-02-26 Firma Carl Zeiss Vorrichtung zur schnellen Demonstration der Wirkung phototroper Objekte
DE3940386A1 (de) * 1989-12-06 1991-06-13 Minnesota Mining & Mfg Vorrichtung zum messen der transmission filmartiger folien und dergleichen
DE4028084A1 (de) * 1990-09-05 1992-03-19 Battelle Institut E V Geraet zum bestimmen der wirksamkeit eines antibeschlagmittels
US5339151A (en) * 1992-07-28 1994-08-16 Humphrey Instruments Incorporated Spectrometer for lensometer
DE29618445U1 (de) * 1996-10-22 1996-12-12 Rodenstock Instr Vorrichtung zur Transmissionsmessung von optischen Gläsern
DE29618444U1 (de) * 1996-10-22 1996-12-12 Rodenstock Instr Scheitelbrechwertmesser
FR2966594A1 (fr) * 2010-10-25 2012-04-27 Dietal Sa Dispositif d'exposition ultraviolet a led destine a reveler les proprietes photosensibles des verres de lunettes solaires de type photochromique.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10213485B4 (de) * 2002-03-17 2005-10-06 Rodenstock Gmbh Vorrichtung und Verfahren zur Messung des Lichttransmissionsgrades eines Prüflings mittels einer Streukörpereinheit
US20230005389A1 (en) * 2019-05-14 2023-01-05 Johnson & Johnson Vision Care, Inc. Light-sensitive photochromic contact lens demonstration devices and related methods

Also Published As

Publication number Publication date
DE2705865A1 (de) 1978-08-17

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8122 Nonbinding interest in granting licenses declared
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee