FR2141652A1 - - Google Patents

Info

Publication number
FR2141652A1
FR2141652A1 FR7144933A FR7144933A FR2141652A1 FR 2141652 A1 FR2141652 A1 FR 2141652A1 FR 7144933 A FR7144933 A FR 7144933A FR 7144933 A FR7144933 A FR 7144933A FR 2141652 A1 FR2141652 A1 FR 2141652A1
Authority
FR
France
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.)
Granted
Application number
FR7144933A
Other languages
French (fr)
Other versions
FR2141652B3 (enExample
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.)
Pentacon GmbH Foto und Feinwerktechnik
Original Assignee
Pentacon Dresden VEB
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 Pentacon Dresden VEB filed Critical Pentacon Dresden VEB
Publication of FR2141652A1 publication Critical patent/FR2141652A1/fr
Application granted granted Critical
Publication of FR2141652B3 publication Critical patent/FR2141652B3/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • 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
    • G01J1/4223—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for copy - or printing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Projection-Type Copiers In General (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR7144933A 1971-06-14 1971-12-14 Expired FR2141652B3 (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15575371 1971-06-14

Publications (2)

Publication Number Publication Date
FR2141652A1 true FR2141652A1 (enExample) 1973-01-26
FR2141652B3 FR2141652B3 (enExample) 1974-08-23

Family

ID=5483949

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7144933A Expired FR2141652B3 (enExample) 1971-06-14 1971-12-14

Country Status (4)

Country Link
AT (1) AT334203B (enExample)
CS (1) CS180115B1 (enExample)
DE (1) DE7211454U (enExample)
FR (1) FR2141652B3 (enExample)

Also Published As

Publication number Publication date
ATA291072A (de) 1976-04-15
FR2141652B3 (enExample) 1974-08-23
DE7211454U (de) 1972-07-27
DE2147058A1 (de) 1972-12-28
AT334203B (de) 1976-01-10
DE2147058B2 (de) 1976-09-23
CS180115B1 (en) 1977-12-30

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Legal Events

Date Code Title Description
ST Notification of lapse