JPS48102618A - - Google Patents

Info

Publication number
JPS48102618A
JPS48102618A JP48025231A JP2523173A JPS48102618A JP S48102618 A JPS48102618 A JP S48102618A JP 48025231 A JP48025231 A JP 48025231A JP 2523173 A JP2523173 A JP 2523173A JP S48102618 A JPS48102618 A JP S48102618A
Authority
JP
Japan
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
JP48025231A
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 claimed from DE19727208770 external-priority patent/DE7208770U/de
Priority claimed from DE19732304110 external-priority patent/DE2304110A1/de
Application filed filed Critical
Publication of JPS48102618A publication Critical patent/JPS48102618A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B5/00—Electrically-operated educational appliances
    • G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
    • 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
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras
    • 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
    • G03B21/32—Details specially adapted for motion-picture projection
    • G03B21/50—Control devices operated by the film strip during the run
    • G03B21/52—Control devices operated by the film strip during the run by prepared film

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
JP48025231A 1972-03-08 1973-03-05 Pending JPS48102618A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19727208770 DE7208770U (de) 1972-03-08 1972-03-08 Vorrichtung zur bildhoeheneinstellung fuer einen filmprojektor
DE19732304110 DE2304110A1 (de) 1973-01-27 1973-01-27 Filmprojektor, insbesondere fuer lehrgeraete

Publications (1)

Publication Number Publication Date
JPS48102618A true JPS48102618A (ja) 1973-12-24

Family

ID=25764598

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48025231A Pending JPS48102618A (ja) 1972-03-08 1973-03-05

Country Status (6)

Country Link
US (1) US3829206A (ja)
JP (1) JPS48102618A (ja)
CH (1) CH561431A5 (ja)
FR (1) FR2175496A5 (ja)
GB (1) GB1417516A (ja)
IT (1) IT979755B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504930B1 (en) * 1991-03-22 1998-06-10 Nikon Corporation Optical apparatus for correcting image deviation
CN113838318A (zh) * 2020-06-23 2021-12-24 福建润邦智能科技有限公司 一种高度可调式便于安装固定的教学智能化设备

Also Published As

Publication number Publication date
IT979755B (it) 1974-09-30
FR2175496A5 (ja) 1973-10-19
GB1417516A (en) 1975-12-10
CH561431A5 (ja) 1975-04-30
US3829206A (en) 1974-08-13

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