IT1277788B1 - Metodo per la produzione e/o il controllo di fasci luminosi cromatici, applicabile su proiettori di luce e/o strumenti di osservazione, - Google Patents

Metodo per la produzione e/o il controllo di fasci luminosi cromatici, applicabile su proiettori di luce e/o strumenti di osservazione,

Info

Publication number
IT1277788B1
IT1277788B1 IT95VR000009A ITVR950009A IT1277788B1 IT 1277788 B1 IT1277788 B1 IT 1277788B1 IT 95VR000009 A IT95VR000009 A IT 95VR000009A IT VR950009 A ITVR950009 A IT VR950009A IT 1277788 B1 IT1277788 B1 IT 1277788B1
Authority
IT
Italy
Prior art keywords
chromatic
light
applicable
production
control
Prior art date
Application number
IT95VR000009A
Other languages
English (en)
Inventor
Antonio Zoggia
Original Assignee
Ingenia Srl
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 Ingenia Srl filed Critical Ingenia Srl
Priority to IT95VR000009A priority Critical patent/IT1277788B1/it
Publication of ITVR950009A0 publication Critical patent/ITVR950009A0/it
Priority to EP96830042A priority patent/EP0726421A1/en
Priority to US08/595,815 priority patent/US5825566A/en
Priority to CA002168906A priority patent/CA2168906A1/en
Publication of ITVR950009A1 publication Critical patent/ITVR950009A1/it
Application granted granted Critical
Publication of IT1277788B1 publication Critical patent/IT1277788B1/it

Links

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
    • G03B27/73—Controlling exposure by variation of spectral composition, e.g. multicolor printers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

Si tratta di un metodo atto a consentire che, mediante un unico elemento cromatico (7) opportunamente realizzato e disposto in un punto preciso all'interno dell'apparecchiatura ottica a cui è destinato, si possa, con semplici spostamenti calcolati e/o programmati, produrre qualsiasi fascio luminoso od effettuare qualsiasi rilievo, studio ed osservazione della luce o di tutti i fenomeni luminosi e loro applicazioni.Tale elemento cromatico (7) o filtro, è posto nella zona ottica (6) denominata "pupilla" ed è composto da più settori circolari uguali tra loro, ad esempio ciascuno dei quali atto ad occupare 120 gradi, ma di diverse colorazioni e/o intensità.Il filtro (7) così realizzato, viene dunque posizionato nella zona della pupilla, ed in modo tale da poter essere sottoposto a spostamenti sul piano ortogonale rispetto all'asse ottico, in modo da poter scegliere e/o utilizzare o selezionare una infinita gamma di colori o di intensità cromatiche o luminose.
IT95VR000009A 1995-02-07 1995-02-07 Metodo per la produzione e/o il controllo di fasci luminosi cromatici, applicabile su proiettori di luce e/o strumenti di osservazione, IT1277788B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT95VR000009A IT1277788B1 (it) 1995-02-07 1995-02-07 Metodo per la produzione e/o il controllo di fasci luminosi cromatici, applicabile su proiettori di luce e/o strumenti di osservazione,
EP96830042A EP0726421A1 (en) 1995-02-07 1996-01-31 Method of controlling chromaticity of light beams with three sector color filter
US08/595,815 US5825566A (en) 1995-02-07 1996-02-02 Method for producing and/or controlling chromatic luminous beams applicable on light projectors and/or observing and measuring instruments or the like
CA002168906A CA2168906A1 (en) 1995-02-07 1996-02-06 Method for producing and/or controlling chromatic luminous beams applicable on light projectors and/or observing and measuring instruments or the like

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT95VR000009A IT1277788B1 (it) 1995-02-07 1995-02-07 Metodo per la produzione e/o il controllo di fasci luminosi cromatici, applicabile su proiettori di luce e/o strumenti di osservazione,
US08/595,815 US5825566A (en) 1995-02-07 1996-02-02 Method for producing and/or controlling chromatic luminous beams applicable on light projectors and/or observing and measuring instruments or the like

Publications (3)

Publication Number Publication Date
ITVR950009A0 ITVR950009A0 (it) 1995-02-07
ITVR950009A1 ITVR950009A1 (it) 1996-08-07
IT1277788B1 true IT1277788B1 (it) 1997-11-12

Family

ID=26332646

Family Applications (1)

Application Number Title Priority Date Filing Date
IT95VR000009A IT1277788B1 (it) 1995-02-07 1995-02-07 Metodo per la produzione e/o il controllo di fasci luminosi cromatici, applicabile su proiettori di luce e/o strumenti di osservazione,

Country Status (4)

Country Link
US (1) US5825566A (it)
EP (1) EP0726421A1 (it)
CA (1) CA2168906A1 (it)
IT (1) IT1277788B1 (it)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3624506A1 (de) * 1986-07-19 1988-01-21 Asanuma Camera Mechanical Lab Verfahren zur farbtrennung beim farbfotografieren oder beim herstellen von abzuegen und trichromatisches trennfilter
US4897770A (en) * 1988-03-04 1990-01-30 Dennis Solomon Symmetrical color changer system
US5252256A (en) * 1990-03-29 1993-10-12 Hughes Aircraft Company Passive protection of optically sensitive materials with transition metal organometallic cluster compounds
GB2246427B (en) * 1990-07-25 1994-05-04 Medical Res Council Apparatus for and a method of obtaining an opthalmic tint
US5333034A (en) * 1992-01-31 1994-07-26 Bremson Data Systems, Inc. System for selectively controlling the spectral make-up of visible light from a source thereof
US5345340A (en) * 1993-05-20 1994-09-06 The United States Of America As Represented By The Secretary Of The Army Plural pass vision system
IT1262641B (it) * 1993-07-16 1996-07-04 Ingenia Srl Dispositivo per la stampa fotografica a colori.
JP2942129B2 (ja) * 1993-12-24 1999-08-30 シャープ株式会社 投影型カラー液晶表示装置

Also Published As

Publication number Publication date
CA2168906A1 (en) 1996-08-08
EP0726421A1 (en) 1996-08-14
ITVR950009A0 (it) 1995-02-07
ITVR950009A1 (it) 1996-08-07
US5825566A (en) 1998-10-20

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Legal Events

Date Code Title Description
0001 Granted