GB1252498A - - Google Patents

Info

Publication number
GB1252498A
GB1252498A GB1252498DA GB1252498A GB 1252498 A GB1252498 A GB 1252498A GB 1252498D A GB1252498D A GB 1252498DA GB 1252498 A GB1252498 A GB 1252498A
Authority
GB
United Kingdom
Prior art keywords
wedge
multiplier
jan
photo
source
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
Other languages
English (en)
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 filed Critical
Publication of GB1252498A publication Critical patent/GB1252498A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B35/00—Stereoscopic photography
    • G03B35/18—Stereoscopic photography by simultaneous viewing
    • G03B35/24—Stereoscopic photography by simultaneous viewing using apertured or refractive resolving means on screens or between screen and eye

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
GB1252498D 1968-01-24 1969-01-23 Expired GB1252498A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70008568A 1968-01-24 1968-01-24

Publications (1)

Publication Number Publication Date
GB1252498A true GB1252498A (id) 1971-11-03

Family

ID=24812125

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1252498D Expired GB1252498A (id) 1968-01-24 1969-01-23

Country Status (3)

Country Link
BE (1) BE727303A (id)
DE (2) DE1903122A1 (id)
GB (1) GB1252498A (id)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621457A (zh) * 2017-09-27 2018-01-23 中国科学院理化技术研究所 一种深紫外光倍频测试装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK124628B (da) * 1966-10-12 1972-11-06 Saab Ab Lysmast med en ud til siden ragende bærer for en langstrakt belysningsarmatur.
EP0075044A1 (de) * 1981-09-19 1983-03-30 Elesta Ag Elektronik Einrichtung zur Lichtreservemessung bei Lichtschranken
DE9106969U1 (de) * 1991-06-06 1992-03-26 Vulkan Werk für Industrie- und Außenbeleuchtung GmbH, 5000 Köln Reflektorleuchte
DE102006043385A1 (de) * 2006-09-13 2008-03-27 Jena-Optronik Gmbh Vorrichtung zur mehrstufigen Dämpfung einfallender Strahlungsenergie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107621457A (zh) * 2017-09-27 2018-01-23 中国科学院理化技术研究所 一种深紫外光倍频测试装置

Also Published As

Publication number Publication date
BE727303A (id) 1969-07-01
DE1903122A1 (de) 1969-08-07
DE6902394U (de) 1969-05-22

Similar Documents

Publication Publication Date Title
GB1181510A (en) Single Beam Photometric System.
DE3166473D1 (en) Focus detector
GB1334408A (en) Basis weight gauge standardizing method
GB1090217A (en) Optical system for measuring absorption of light
GB1178971A (en) Alignment of Adjustable Parts of a Structure
GB1147521A (en) Lens centring apparatus
GB1252498A (id)
GB1263563A (en) Optical measuring apparatus
GB1364439A (en) Measurement of optical density
GB1011145A (en) Improved scanner apparatus
GB1063140A (en) Improvements in or relating to tool-setting gauges
ES372099A1 (es) Un aparato para detectar defectos en una lamina de vidrio.
JPS5228335A (en) Optical unit
SE305802B (id)
GB800303A (en) Improvements in or relating to optical apparatus
GB1360619A (en) Apparatus for testing beams of light
JPS5669606A (en) Focus detector
GB1019540A (en) A method and apparatus for determining the difference in area of an article from an article of known area
GB1369864A (en) Colour signal generating apparatus
GB1305980A (id)
GB1298517A (en) Densitometer
JPS5250703A (en) Optical reading device for recording materials
GB1260257A (en) Light sensitive apparatus
GB1254316A (en) An improved densitometer
GB1122215A (en) Method and device for optical measurements

Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees