FR2184294A5 - - Google Patents

Info

Publication number
FR2184294A5
FR2184294A5 FR7316062A FR7316062A FR2184294A5 FR 2184294 A5 FR2184294 A5 FR 2184294A5 FR 7316062 A FR7316062 A FR 7316062A FR 7316062 A FR7316062 A FR 7316062A FR 2184294 A5 FR2184294 A5 FR 2184294A5
Authority
FR
France
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
Application number
FR7316062A
Other languages
French (fr)
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.)
Northrop Grumman Properties Ltd
Original Assignee
Lucas Aerospace Ltd
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 Lucas Aerospace Ltd filed Critical Lucas Aerospace Ltd
Application granted granted Critical
Publication of FR2184294A5 publication Critical patent/FR2184294A5/fr
Expired 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
    • G09B5/06—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)
  • Overhead Projectors And Projection Screens (AREA)
  • Television Signal Processing For Recording (AREA)
FR7316062A 1972-05-06 1973-05-04 Expired FR2184294A5 (en)

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
FR2184294A5 true FR2184294A5 (en) 1973-12-21

Family

ID=10159406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7316062A Expired FR2184294A5 (en) 1972-05-06 1973-05-04

Country Status (4)

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

Families Citing this family (3)

* 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
GB2161623B (en) * 1981-12-31 1986-07-23 Bell & Howell Co Slide projector control apparatus

Also Published As

Publication number Publication date
DE2322215A1 (en) 1973-11-22
NL7306300A (en) 1973-11-08
GB1435510A (en) 1976-05-12

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
ST Notification of lapse