IT8921974V0 - Dispositivo di visione della pellicola - Google Patents

Dispositivo di visione della pellicola

Info

Publication number
IT8921974V0
IT8921974V0 IT21974U IT2197489U IT8921974V0 IT 8921974 V0 IT8921974 V0 IT 8921974V0 IT 21974 U IT21974 U IT 21974U IT 2197489 U IT2197489 U IT 2197489U IT 8921974 V0 IT8921974 V0 IT 8921974V0
Authority
IT
Italy
Prior art keywords
vision device
film vision
film
vision
Prior art date
Application number
IT21974U
Other languages
English (en)
Inventor
Gerhard Schmid
Original Assignee
Kaltenbach & Voigt
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 Kaltenbach & Voigt filed Critical Kaltenbach & Voigt
Publication of IT8921974V0 publication Critical patent/IT8921974V0/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Prostheses (AREA)
  • Eye Examination Apparatus (AREA)
IT21974U 1988-12-22 1989-10-20 Dispositivo di visione della pellicola IT8921974V0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3843344A DE3843344C1 (en) 1988-12-22 1988-12-22 Film-viewing device

Publications (1)

Publication Number Publication Date
IT8921974V0 true IT8921974V0 (it) 1989-10-20

Family

ID=6369919

Family Applications (2)

Application Number Title Priority Date Filing Date
IT21974U IT8921974V0 (it) 1988-12-22 1989-10-20 Dispositivo di visione della pellicola
IT02208889A IT1237104B (it) 1988-12-22 1989-10-20 Dispositivo di visione della pellicola.

Family Applications After (1)

Application Number Title Priority Date Filing Date
IT02208889A IT1237104B (it) 1988-12-22 1989-10-20 Dispositivo di visione della pellicola.

Country Status (2)

Country Link
DE (1) DE3843344C1 (it)
IT (2) IT8921974V0 (it)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1041272B (de) * 1955-11-10 1958-10-16 Kindermann & Co G M B H Beleuchtungsgeraet, insbesondere Roentgenfilmbetrachter
CH667954A5 (de) * 1985-01-11 1988-11-15 Baumer Electric Ag Naeherungsschalter mit beruehrungsloser ausloesung.

Also Published As

Publication number Publication date
DE3843344C1 (en) 1990-03-08
IT8922088A1 (it) 1991-04-20
IT8922088A0 (it) 1989-10-20
IT1237104B (it) 1993-05-18

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