NL6811524A - - Google Patents

Info

Publication number
NL6811524A
NL6811524A NL6811524A NL6811524A NL6811524A NL 6811524 A NL6811524 A NL 6811524A NL 6811524 A NL6811524 A NL 6811524A NL 6811524 A NL6811524 A NL 6811524A NL 6811524 A NL6811524 A NL 6811524A
Authority
NL
Netherlands
Application number
NL6811524A
Other versions
NL155104B (nl
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
Priority to NL686811524A priority Critical patent/NL155104B/xx
Priority to DE19691939995 priority patent/DE1939995C3/de
Priority to US848176A priority patent/US3647297A/en
Priority to SE11156/69A priority patent/SE345021B/xx
Priority to AT770569A priority patent/AT309207B/de
Priority to GB40104/69A priority patent/GB1270009A/en
Priority to CH1214169A priority patent/CH534370A/de
Priority to JP44063501A priority patent/JPS493841B1/ja
Priority to BE737385D priority patent/BE737385A/xx
Priority to FR6927849A priority patent/FR2015647A1/fr
Publication of NL6811524A publication Critical patent/NL6811524A/xx
Publication of NL155104B publication Critical patent/NL155104B/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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • G01J1/4219—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for enlargers
    • 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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Adjustable Resistors (AREA)
  • Switches With Compound Operations (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Stroboscope Apparatuses (AREA)
  • Control Of Exposure In Printing And Copying (AREA)
  • Light Sources And Details Of Projection-Printing Devices (AREA)
NL686811524A 1968-08-14 1968-08-14 Schakeltoestel voor het voeden van de lichtbron van een fotografisch vergrotingsapparaat. NL155104B (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
NL686811524A NL155104B (nl) 1968-08-14 1968-08-14 Schakeltoestel voor het voeden van de lichtbron van een fotografisch vergrotingsapparaat.
DE19691939995 DE1939995C3 (de) 1968-08-14 1969-08-06 Gerät zur Belichtungszeitsteuerung bei einem photographischen Vergrößerungsapparat
US848176A US3647297A (en) 1968-08-14 1969-08-07 Switching device for feeding the light source of a photographic enlarger
SE11156/69A SE345021B (de) 1968-08-14 1969-08-11
AT770569A AT309207B (de) 1968-08-14 1969-08-11 Gerät zur Bestimmung und Eistellung der Belichtungszeit in einem photographischen Vergrößerungsapparat
GB40104/69A GB1270009A (en) 1968-08-14 1969-08-11 Control apparatus for photographic enlargers
CH1214169A CH534370A (de) 1968-08-14 1969-08-11 Gerät zum Steuern einer Belichtungslichtquelle eines photographischen Vergrösserungsapparates
JP44063501A JPS493841B1 (de) 1968-08-14 1969-08-12
BE737385D BE737385A (de) 1968-08-14 1969-08-12
FR6927849A FR2015647A1 (de) 1968-08-14 1969-08-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL686811524A NL155104B (nl) 1968-08-14 1968-08-14 Schakeltoestel voor het voeden van de lichtbron van een fotografisch vergrotingsapparaat.

Publications (2)

Publication Number Publication Date
NL6811524A true NL6811524A (de) 1970-02-17
NL155104B NL155104B (nl) 1977-11-15

Family

ID=19804365

Family Applications (1)

Application Number Title Priority Date Filing Date
NL686811524A NL155104B (nl) 1968-08-14 1968-08-14 Schakeltoestel voor het voeden van de lichtbron van een fotografisch vergrotingsapparaat.

Country Status (9)

Country Link
US (1) US3647297A (de)
JP (1) JPS493841B1 (de)
AT (1) AT309207B (de)
BE (1) BE737385A (de)
CH (1) CH534370A (de)
FR (1) FR2015647A1 (de)
GB (1) GB1270009A (de)
NL (1) NL155104B (de)
SE (1) SE345021B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2188155B1 (de) * 1972-06-06 1974-12-27 Matore Georges
US3874793A (en) * 1973-04-09 1975-04-01 Philip D Nielsen Electronic print exposure analyzer
JPS5077148U (de) * 1973-11-14 1975-07-04
US4812882A (en) * 1986-10-14 1989-03-14 Ciba-Geigy Ag Contrast monitor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2149250A (en) * 1938-02-26 1939-03-07 Joseph M Bing Photometer
US2201606A (en) * 1939-03-06 1940-05-21 Joseph M Bing Automatic exposure control
US2605447A (en) * 1950-07-17 1952-07-29 John H Troup Enlargement photography
US3086709A (en) * 1960-02-17 1963-04-23 Simmon Brothers Inc Density control for photographic enlargers

Also Published As

Publication number Publication date
CH534370A (de) 1973-02-28
SE345021B (de) 1972-05-08
FR2015647A1 (de) 1970-04-30
GB1270009A (en) 1972-04-12
DE1939995B2 (de) 1976-03-04
US3647297A (en) 1972-03-07
JPS493841B1 (de) 1974-01-29
DE1939995A1 (de) 1970-03-12
NL155104B (nl) 1977-11-15
AT309207B (de) 1973-08-10
BE737385A (de) 1970-02-12

Similar Documents

Publication Publication Date Title
AU1946070A (de)
AU428130B2 (de)
AU5184069A (de)
AU6168869A (de)
AU6171569A (de)
AU429879B2 (de)
AU416157B2 (de)
AU4811568A (de)
AU421558B1 (de)
AU2580267A (de)
AU3789668A (de)
AR203075Q (de)
AU3224368A (de)
AU4744468A (de)
BE708933A (de)
BE709435A (de)
BE630165A (de)
AU479393A (de)
AU5758767A (de)
BE642636A (de)
BE708888A (de)
AU4464266A (de)
BE708951A (de)
BE709095A (de)
BE709119A (de)

Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: PHILIPS