DE69017192D1 - Verfahren und gerät zur signal-rausch-verhältnis-verbesserung in einer fernsehfilmeinrichtung. - Google Patents

Verfahren und gerät zur signal-rausch-verhältnis-verbesserung in einer fernsehfilmeinrichtung.

Info

Publication number
DE69017192D1
DE69017192D1 DE69017192T DE69017192T DE69017192D1 DE 69017192 D1 DE69017192 D1 DE 69017192D1 DE 69017192 T DE69017192 T DE 69017192T DE 69017192 T DE69017192 T DE 69017192T DE 69017192 D1 DE69017192 D1 DE 69017192D1
Authority
DE
Germany
Prior art keywords
noise ratio
improving signal
television film
film device
television
Prior art date
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.)
Expired - Fee Related
Application number
DE69017192T
Other languages
English (en)
Other versions
DE69017192T2 (de
Inventor
Leslie Moore
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of DE69017192D1 publication Critical patent/DE69017192D1/de
Application granted granted Critical
Publication of DE69017192T2 publication Critical patent/DE69017192T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/253—Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • 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
    • H05B41/3922—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations and measurement of the incident light

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Color Television Image Signal Generators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Noise Elimination (AREA)
  • Facsimiles In General (AREA)
  • Studio Devices (AREA)
  • Picture Signal Circuits (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
DE69017192T 1989-10-16 1990-10-09 Verfahren und gerät zur signal-rausch-verhältnis-verbesserung in einer fernsehfilmeinrichtung. Expired - Fee Related DE69017192T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/422,342 US5018019A (en) 1989-10-16 1989-10-16 Method and apparatus for improving signal to noise ratio in a telecine machine
PCT/US1990/005696 WO1991006179A2 (en) 1989-10-16 1990-10-09 Method and apparatus for improving signal to noise ratio in a telecine machine

Publications (2)

Publication Number Publication Date
DE69017192D1 true DE69017192D1 (de) 1995-03-30
DE69017192T2 DE69017192T2 (de) 1995-09-28

Family

ID=23674475

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69017192T Expired - Fee Related DE69017192T2 (de) 1989-10-16 1990-10-09 Verfahren und gerät zur signal-rausch-verhältnis-verbesserung in einer fernsehfilmeinrichtung.

Country Status (7)

Country Link
US (1) US5018019A (de)
EP (1) EP0448701B1 (de)
JP (1) JP2980374B2 (de)
AU (1) AU636000B2 (de)
CA (1) CA2042606C (de)
DE (1) DE69017192T2 (de)
WO (1) WO1991006179A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5010410A (en) * 1989-10-16 1991-04-23 Eastman Kodak Company Method and apparatus for signal companding
US5633977A (en) * 1992-07-27 1997-05-27 Minolta Camera Kabushiki Kaisha Photographed image reproducing apparatus
US5428387A (en) * 1993-04-28 1995-06-27 Sony Electronics, Inc. Method and apparatus for a real-time film-to-video conversion system
US5479076A (en) * 1994-06-07 1995-12-26 Eastman Kodak Company Current mode restart circuit for a dc arc lamp
US5808669A (en) * 1995-02-07 1998-09-15 Adaptive Optics Associates, Inc. Telecine with dual digitizers and multiple scanning beams
US5650843A (en) * 1995-10-19 1997-07-22 Eastman Kodak Company Feedback control apparatus for a light integrating cavity
EP1639868A1 (de) * 2003-06-16 2006-03-29 Philips Intellectual Property & Standards GmbH Projektor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1597504A (en) * 1977-07-06 1981-09-09 Rank Organisation Ltd Television apparatus
US4338634A (en) * 1980-11-17 1982-07-06 Eastman Kodak Company Frame-rate converting film scanner with two-dimensional solid state image sensing array
GB2154829B (en) * 1982-03-30 1986-04-23 British Broadcasting Corp Improvements in telecine machines
JPS59500646A (ja) * 1982-03-30 1984-04-12 ブリティッシュ・ブロ−ドキャスティング・コ−ポレ−ション テレシネ装置の改良
US4618254A (en) * 1982-10-15 1986-10-21 Ncr Canada Ltd Automatic light control system
JPH0614750B2 (ja) * 1982-12-15 1994-02-23 池上通信機株式会社 カラ−原稿撮像装置
GB2160061B (en) * 1984-06-07 1987-09-16 Rank Cintel Ltd Solid state imaging apparatus
US4623929A (en) * 1985-05-03 1986-11-18 Eastman Kodak Company Flash tube simmer circuitry for a film video player electronic strobe light
FR2589604B1 (fr) * 1985-11-04 1988-01-22 Longines Francillon Sa Cie Mon Appareil pour le chronometrage de courses sportives
US4868383A (en) * 1988-09-08 1989-09-19 Eastman Kodak Company Linear integrating cavity light source used for generating an intense beam of light
US4934821A (en) * 1989-06-26 1990-06-19 Eastman Kodak Company Technique for scanning a microfilm image moving at a variable speed
US5010410A (en) * 1989-10-16 1991-04-23 Eastman Kodak Company Method and apparatus for signal companding

Also Published As

Publication number Publication date
WO1991006179A3 (en) 1991-07-25
JP2980374B2 (ja) 1999-11-22
US5018019A (en) 1991-05-21
WO1991006179A2 (en) 1991-05-02
EP0448701A1 (de) 1991-10-02
DE69017192T2 (de) 1995-09-28
AU7041391A (en) 1991-05-16
AU636000B2 (en) 1993-04-08
CA2042606C (en) 1994-08-02
EP0448701B1 (de) 1995-02-22
JPH04502397A (ja) 1992-04-23
CA2042606A1 (en) 1991-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BLICKLE, K., DIPL.-ING., PAT.-ASS., 70327 STUTTGAR

8328 Change in the person/name/address of the agent

Representative=s name: DR. KUEHNER, H., RECHTSANW., 70327 STUTTGART

8339 Ceased/non-payment of the annual fee