NL7306300A - - Google Patents

Info

Publication number
NL7306300A
NL7306300A NL7306300A NL7306300A NL7306300A NL 7306300 A NL7306300 A NL 7306300A NL 7306300 A NL7306300 A NL 7306300A NL 7306300 A NL7306300 A NL 7306300A NL 7306300 A NL7306300 A NL 7306300A
Authority
NL
Netherlands
Application number
NL7306300A
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 filed Critical
Publication of NL7306300A publication Critical patent/NL7306300A/xx

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
    • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
    • G09B5/067—Combinations of audio and projected visual presentation, e.g. film, slides
    • 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
    • G03B31/06—Associated working of cameras or projectors with sound-recording or sound-reproducing means in which sound track is associated with successively-shown still pictures

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Television Signal Processing For Recording (AREA)
  • Overhead Projectors And Projection Screens (AREA)
NL7306300A 1972-05-06 1973-05-04 NL7306300A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2123172A GB1435510A (en) 1972-05-06 1972-05-06 Data processing apparatus

Publications (1)

Publication Number Publication Date
NL7306300A true NL7306300A (enrdf_load_stackoverflow) 1973-11-08

Family

ID=10159406

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7306300A NL7306300A (enrdf_load_stackoverflow) 1972-05-06 1973-05-04

Country Status (4)

Country Link
DE (1) DE2322215A1 (enrdf_load_stackoverflow)
FR (1) FR2184294A5 (enrdf_load_stackoverflow)
GB (1) GB1435510A (enrdf_load_stackoverflow)
NL (1) NL7306300A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146314A (en) * 1978-01-30 1979-03-27 Polaroid Corporation Audio visual system having recorded moving light pointer and method
US4291954A (en) * 1980-01-24 1981-09-29 Polaroid Corporation Audiovisual system with improved moving light pointer
US4336483A (en) 1980-01-24 1982-06-22 Polaroid Corporation Capacitive position sensor
GB2161623B (en) * 1981-12-31 1986-07-23 Bell & Howell Co Slide projector control apparatus

Also Published As

Publication number Publication date
DE2322215A1 (de) 1973-11-22
GB1435510A (en) 1976-05-12
FR2184294A5 (enrdf_load_stackoverflow) 1973-12-21

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