DE2034677B2 - Vorrichtung zur Konstanthaltung der Scharfeinstellung eines Diapositivprojektors - Google Patents

Vorrichtung zur Konstanthaltung der Scharfeinstellung eines Diapositivprojektors

Info

Publication number
DE2034677B2
DE2034677B2 DE19702034677 DE2034677A DE2034677B2 DE 2034677 B2 DE2034677 B2 DE 2034677B2 DE 19702034677 DE19702034677 DE 19702034677 DE 2034677 A DE2034677 A DE 2034677A DE 2034677 B2 DE2034677 B2 DE 2034677B2
Authority
DE
Germany
Prior art keywords
slide
film
signal
light
shift
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.)
Pending
Application number
DE19702034677
Other languages
German (de)
English (en)
Other versions
DE2034677A1 (de
Inventor
Chihiro Aoki
Takashi Nagoya Aichi Hirata
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.)
ELMO Co Ltd NAGOYA AICHI (JAPAN)
Original Assignee
ELMO Co Ltd NAGOYA AICHI (JAPAN)
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
Priority to FR7024622A priority Critical patent/FR2097341A5/fr
Application filed by ELMO Co Ltd NAGOYA AICHI (JAPAN) filed Critical ELMO Co Ltd NAGOYA AICHI (JAPAN)
Priority to DE19702034677 priority patent/DE2034677B2/de
Publication of DE2034677A1 publication Critical patent/DE2034677A1/de
Publication of DE2034677B2 publication Critical patent/DE2034677B2/de
Pending legal-status Critical Current

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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • G01S15/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S15/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • 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
    • G03B31/00—Associated working of cameras or projectors with sound-recording or sound-reproducing means
    • G03B31/02—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is on a moving-picture film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Focusing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19702034677 1970-07-02 1970-07-13 Vorrichtung zur Konstanthaltung der Scharfeinstellung eines Diapositivprojektors Pending DE2034677B2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7024622A FR2097341A5 (enExample) 1970-07-02 1970-07-02
DE19702034677 DE2034677B2 (de) 1970-07-02 1970-07-13 Vorrichtung zur Konstanthaltung der Scharfeinstellung eines Diapositivprojektors

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7024622A FR2097341A5 (enExample) 1970-07-02 1970-07-02
DE19702034677 DE2034677B2 (de) 1970-07-02 1970-07-13 Vorrichtung zur Konstanthaltung der Scharfeinstellung eines Diapositivprojektors

Publications (2)

Publication Number Publication Date
DE2034677A1 DE2034677A1 (de) 1972-01-20
DE2034677B2 true DE2034677B2 (de) 1973-11-22

Family

ID=25759430

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702034677 Pending DE2034677B2 (de) 1970-07-02 1970-07-13 Vorrichtung zur Konstanthaltung der Scharfeinstellung eines Diapositivprojektors

Country Status (2)

Country Link
DE (1) DE2034677B2 (enExample)
FR (1) FR2097341A5 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435055A (en) * 1981-08-12 1984-03-06 The Gerber Scientific Instrument Company Multiple frequency ranging apparatus for focus control
DE3227547A1 (de) * 1982-07-23 1984-02-02 Teldix Gmbh, 6900 Heidelberg Navigationsanlage

Also Published As

Publication number Publication date
FR2097341A5 (enExample) 1972-03-03
DE2034677A1 (de) 1972-01-20

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