IL22997A - Multiple viewing system for educational television and the like - Google Patents

Multiple viewing system for educational television and the like

Info

Publication number
IL22997A
IL22997A IL2299765A IL2299765A IL22997A IL 22997 A IL22997 A IL 22997A IL 2299765 A IL2299765 A IL 2299765A IL 2299765 A IL2299765 A IL 2299765A IL 22997 A IL22997 A IL 22997A
Authority
IL
Israel
Prior art keywords
viewing system
multiple viewing
educational television
educational
television
Prior art date
Application number
IL2299765A
Other languages
English (en)
Original Assignee
Expansion Pour Electronique Ex
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 Expansion Pour Electronique Ex filed Critical Expansion Pour Electronique Ex
Publication of IL22997A publication Critical patent/IL22997A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • 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
    • G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
    • G09B5/10—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations all student stations being capable of presenting the same information simultaneously
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Projection Apparatus (AREA)
IL2299765A 1964-02-21 1965-02-16 Multiple viewing system for educational television and the like IL22997A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR964693A FR1442268A (fr) 1964-02-21 1964-02-21 Perfectionnements aux systèmes de vision collective

Publications (1)

Publication Number Publication Date
IL22997A true IL22997A (en) 1969-01-29

Family

ID=8823756

Family Applications (1)

Application Number Title Priority Date Filing Date
IL2299765A IL22997A (en) 1964-02-21 1965-02-16 Multiple viewing system for educational television and the like

Country Status (9)

Country Link
AT (1) AT251060B (pm)
BE (1) BE659452A (pm)
CH (1) CH415103A (pm)
DK (1) DK108436C (pm)
ES (1) ES309328A1 (pm)
FR (1) FR1442268A (pm)
GB (1) GB1049433A (pm)
IL (1) IL22997A (pm)
SE (1) SE213235C1 (pm)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ537028A (en) 2004-12-06 2007-07-27 Manfred Frank Systems Ltd A hinge

Also Published As

Publication number Publication date
SE213235C1 (pm) 1967-05-30
GB1049433A (en) 1966-11-30
BE659452A (pm) 1965-08-09
CH415103A (fr) 1966-06-15
AT251060B (de) 1966-12-12
DK108436C (da) 1967-12-11
FR1442268A (fr) 1966-06-17
ES309328A1 (es) 1965-05-16

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