BE752765A - APPARATUS FOR SUPPLYING A LIGHT SOURCE OF A PHOTOGRAPHIC ENLARGER - Google Patents

APPARATUS FOR SUPPLYING A LIGHT SOURCE OF A PHOTOGRAPHIC ENLARGER

Info

Publication number: BE752765A
Authority: BE; Belgium
Prior art keywords: supplying; light source; photographic enlarger; enlarger; photographic
Prior art date: 1969-07-02

Application number

Other languages

Original Assignee

Philips Nv

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.)

1969-07-02

Filing date

1970-06-30

Publication date

1970-12-30

1970-06-30 Application filed by Philips Nv filed Critical Philips Nv

1970-12-30 Publication of BE752765A publication Critical patent/BE752765A/en

Classifications

- 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
- G03B27/00—Photographic printing apparatus
- G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
- G03B27/80—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus in dependence upon automatic analysis of the original

Landscapes

Physics & Mathematics (AREA)
Spectroscopy & Molecular Physics (AREA)
General Physics & Mathematics (AREA)
Control Of Exposure In Printing And Copying (AREA)
Light Sources And Details Of Projection-Printing Devices (AREA)
Photometry And Measurement Of Optical Pulse Characteristics (AREA)

BE752765D 1969-07-02 1970-06-30 APPARATUS FOR SUPPLYING A LIGHT SOURCE OF A PHOTOGRAPHIC ENLARGER BE752765A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL6910114A NL6910114A (en)	1969-07-02	1969-07-02

Publications (1)

Publication Number	Publication Date
BE752765A true BE752765A (en)	1970-12-30

Family

ID=19807362

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE752765D BE752765A (en)	1969-07-02	1970-06-30	APPARATUS FOR SUPPLYING A LIGHT SOURCE OF A PHOTOGRAPHIC ENLARGER

Country Status (8)

Country	Link
JP (1)	JPS494327B1 (en)
AT (1)	AT314974B (en)
BE (1)	BE752765A (en)
CA (1)	CA918228A (en)
CH (1)	CH543752A (en)
FR (1)	FR2053993A5 (en)
GB (1)	GB1303349A (en)
NL (1)	NL6910114A (en)

1969
- 1969-07-02 NL NL6910114A patent/NL6910114A/xx unknown
1970
- 1970-06-25 CA CA086479A patent/CA918228A/en not_active Expired
- 1970-06-29 CH CH983670A patent/CH543752A/en not_active IP Right Cessation
- 1970-06-29 GB GB3130870A patent/GB1303349A/en not_active Expired
- 1970-06-29 AT AT580570A patent/AT314974B/en active
- 1970-06-30 BE BE752765D patent/BE752765A/en unknown
- 1970-07-01 JP JP5723370A patent/JPS494327B1/ja active Pending
- 1970-07-01 FR FR7024424A patent/FR2053993A5/fr not_active Expired

Also Published As

Publication number	Publication date
CH543752A (en)	1973-10-31
AT314974B (en)	1974-05-10
CA918228A (en)	1973-01-02
DE2030919B2 (en)	1976-07-01
DE2030919A1 (en)	1971-01-14
GB1303349A (en)	1973-01-17
JPS494327B1 (en)	1974-01-31
NL6910114A (en)	1971-01-05
FR2053993A5 (en)	1971-04-16

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