IT979755B - Proiettore cinematografico partico larmente per apparecchi didattici - Google Patents

Proiettore cinematografico partico larmente per apparecchi didattici

Info

Publication number
IT979755B
IT979755B IT7348656A IT4865673A IT979755B IT 979755 B IT979755 B IT 979755B IT 7348656 A IT7348656 A IT 7348656A IT 4865673 A IT4865673 A IT 4865673A IT 979755 B IT979755 B IT 979755B
Authority
IT
Italy
Prior art keywords
partically
educational equipment
cinematographic projector
cinematographic
projector
Prior art date
Application number
IT7348656A
Other languages
English (en)
Original Assignee
Basf Ag
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 by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of IT979755B publication Critical patent/IT979755B/it

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)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Electrically Operated Instructional Devices (AREA)
IT7348656A 1972-03-08 1973-03-07 Proiettore cinematografico partico larmente per apparecchi didattici IT979755B (it)

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
IT979755B true IT979755B (it) 1974-09-30

Family

ID=25764598

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7348656A IT979755B (it) 1972-03-08 1973-03-07 Proiettore cinematografico partico larmente per apparecchi didattici

Country Status (6)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0697614A2 (en) * 1991-03-22 1996-02-21 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
JPS48102618A (it) 1973-12-24
GB1417516A (en) 1975-12-10
US3829206A (en) 1974-08-13
CH561431A5 (it) 1975-04-30
FR2175496A5 (it) 1973-10-19

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