NL6504697A - - Google Patents

Info

Publication number: NL6504697A
Authority: NL; Netherlands

Application number

NL6504697A

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.)

1964-04-13

Filing date

1965-04-13

Publication date

1965-10-14

1964-04-13 Priority claimed from US359113A external-priority patent/US3368447A/en

1964-04-13 Priority claimed from US359116A external-priority patent/US3323431A/en

1964-04-13 Priority claimed from US359109A external-priority patent/US3416866A/en

1964-04-13 Priority claimed from US359115A external-priority patent/US3323430A/en

1965-04-13 Application filed filed Critical

1965-10-14 Publication of NL6504697A publication Critical patent/NL6504697A/xx

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
- G01J1/12—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means
- G01J1/122—Visual exposure meters for determining the exposure time in photographical recording or reproducing
- G01J1/124—Visual exposure meters for determining the exposure time in photographical recording or reproducing based on the comparison of the intensity of measured light with a comparison source or comparison illuminated surface
- 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
- G01J1/12—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using wholly visual means

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Illuminated Signs And Luminous Advertising (AREA)
Stroboscope Apparatuses (AREA)
Stereoscopic And Panoramic Photography (AREA)
Overhead Projectors And Projection Screens (AREA)

NL6504697A 1964-04-13 1965-04-13 NL6504697A (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US359113A US3368447A (en)	1964-04-13	1964-04-13	Comparison photometer using reflective pattern
US359116A US3323431A (en)	1964-04-13	1964-04-13	Comparison photometer
US359109A US3416866A (en)	1964-04-13	1964-04-13	Comparison photometer using lenticular screen
US359115A US3323430A (en)	1964-04-13	1964-04-13	Nonuniformly illuminated comparison photometer

Publications (1)

Publication Number	Publication Date
NL6504697A true NL6504697A (en)	1965-10-14

Family

ID=27502921

Family Applications (4)

Application Number	Title	Priority Date
NL6504656A NL6504656A (en)	1964-04-13	1965-04-13
NL6504696A NL6504696A (en)	1964-04-13	1965-04-13
NL6504697A NL6504697A (en)	1964-04-13	1965-04-13
NL6504698A NL6504698A (en)	1964-04-13	1965-04-13

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
NL6504656A NL6504656A (en)	1964-04-13	1965-04-13
NL6504696A NL6504696A (en)	1964-04-13	1965-04-13

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
NL6504698A NL6504698A (en)	1964-04-13	1965-04-13

Country Status (7)

Country	Link
AT (5)	AT287342B (en)
BE (4)	BE662399A (en)
CH (4)	CH469247A (en)
DE (4)	DE1297887B (en)
GB (1)	GB1100260A (en)
NL (4)	NL6504656A (en)
SE (4)	SE330783B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE722965C (en) *	1937-11-06	1942-07-24	Dr Hans E J Neugebauer	Method for comparing brightnesses
DE1104726B (en) *	1957-02-23	1961-04-13	Leitz Ernst Gmbh	Light meters for photographic or cinematographic purposes
DE1166500B (en) *	1959-08-01	1964-03-26	Zeiss Ikon Ag	Photoelectric light meter with light beam limiter
FR1268730A (en) *	1960-09-14	1961-08-04	Reichert Optische Werke Ag	Visual photometric method for heterochromic photometry and apparatus for carrying out this method

1965
- 1965-04-08 DE DE1965I0027872 patent/DE1297887B/en not_active Withdrawn
- 1965-04-08 DE DE1965I0027867 patent/DE1291914B/en not_active Withdrawn
- 1965-04-08 DE DE1965J0027868 patent/DE1260179B/en not_active Withdrawn
- 1965-04-08 DE DE1965J0027871 patent/DE1273854B/en not_active Withdrawn
- 1965-04-09 CH CH500265A patent/CH469247A/en unknown
- 1965-04-09 CH CH500365A patent/CH497692A/en not_active IP Right Cessation
- 1965-04-09 CH CH500665A patent/CH497693A/en not_active IP Right Cessation
- 1965-04-09 CH CH500465A patent/CH522212A/en not_active IP Right Cessation
- 1965-04-12 AT AT336665A patent/AT287342B/en not_active IP Right Cessation
- 1965-04-12 AT AT336765A patent/AT294452B/en not_active IP Right Cessation
- 1965-04-12 AT AT336965A patent/AT294453B/en not_active IP Right Cessation
- 1965-04-12 GB GB1548365A patent/GB1100260A/en not_active Expired
- 1965-04-12 BE BE662399D patent/BE662399A/xx unknown
- 1965-04-12 AT AT336865A patent/AT314863B/en not_active IP Right Cessation
- 1965-04-13 BE BE662444D patent/BE662444A/xx unknown
- 1965-04-13 NL NL6504656A patent/NL6504656A/xx unknown
- 1965-04-13 BE BE662442D patent/BE662442A/xx unknown
- 1965-04-13 NL NL6504696A patent/NL6504696A/xx unknown
- 1965-04-13 SE SE480865A patent/SE330783B/xx unknown
- 1965-04-13 SE SE480665A patent/SE330096B/xx unknown
- 1965-04-13 SE SE480565A patent/SE315137B/xx unknown
- 1965-04-13 BE BE662443D patent/BE662443A/xx unknown
- 1965-04-13 SE SE480765A patent/SE330782B/xx unknown
- 1965-04-13 NL NL6504697A patent/NL6504697A/xx unknown
- 1965-04-13 NL NL6504698A patent/NL6504698A/xx unknown
- 1965-11-11 AT AT1019865A patent/AT314864B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
CH497693A (en)	1970-10-15
BE662443A (en)	1965-10-13
AT314863B (en)	1974-04-25
BE662442A (en)	1965-10-13
CH469247A (en)	1969-02-28
DE1291914B (en)	1969-04-03
SE330783B (en)	1970-11-30
NL6504696A (en)	1965-10-14
AT294453B (en)	1971-11-25
AT294452B (en)	1971-11-25
GB1100260A (en)	1968-01-24
SE330096B (en)	1970-11-02
BE662399A (en)	1965-10-12
CH522212A (en)	1972-06-15
NL6504698A (en)	1965-10-14
DE1273854B (en)	1968-07-25
AT287342B (en)	1971-01-25
BE662444A (en)	1965-10-13
CH497692A (en)	1970-10-15
AT314864B (en)	1974-04-25
DE1297887B (en)	1969-06-19
DE1260179B (en)	1968-02-01
SE330782B (en)	1970-11-30
NL6504656A (en)	1965-10-14
SE315137B (en)	1969-09-22

Publication	Publication Date	Title
AU442366B2 (en)	1970-07-16
BE642367A (en)	1964-07-10
SE344820B (en)	1972-05-02
SE330783B (en)	1970-11-30
BE660844A (en)	1965-07-01
BE660836A (en)	1965-09-09
BE660790A (en)	1965-07-01
BE660645A (en)	1965-09-06
BE660627A (en)	1965-07-01
BE660331A (en)	1965-06-16
BE660247A (en)	1965-08-25
BE660078A (en)
BE659676A (en)
BE659380A (en)	1965-05-28
BE658725A (en)	1965-07-22
BE658202A (en)	1965-04-30
BE658046A (en)	1965-04-30
BE658018A (en)	1965-07-07
BE657855A (en)	1965-06-30
BE650060A (en)	1964-11-03
BE650054A (en)	1964-11-03
BE642974A (en)	1964-07-24
BE642797A (en)	1964-05-15
BE642770A (en)	1964-05-15
BE642741A (en)	1964-05-15