AT251060B - System for the distribution of images reproduced on a picture surface, in particular a television screen, in a lecture room - Google Patents

System for the distribution of images reproduced on a picture surface, in particular a television screen, in a lecture room

Info

Publication number
AT251060B
AT251060B AT130265A AT130265A AT251060B AT 251060 B AT251060 B AT 251060B AT 130265 A AT130265 A AT 130265A AT 130265 A AT130265 A AT 130265A AT 251060 B AT251060 B AT 251060B
Authority
AT
Austria
Prior art keywords
distribution
television screen
picture surface
lecture room
images reproduced
Prior art date
Application number
AT130265A
Other languages
German (de)
Original Assignee
Thomson Houston Comp Francaise
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 Thomson Houston Comp Francaise filed Critical Thomson Houston Comp Francaise
Application granted granted Critical
Publication of AT251060B publication Critical patent/AT251060B/en

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)
AT130265A 1964-02-21 1965-02-15 System for the distribution of images reproduced on a picture surface, in particular a television screen, in a lecture room AT251060B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR964693A FR1442268A (en) 1964-02-21 1964-02-21 Improvements to collective vision systems

Publications (1)

Publication Number Publication Date
AT251060B true AT251060B (en) 1966-12-12

Family

ID=8823756

Family Applications (1)

Application Number Title Priority Date Filing Date
AT130265A AT251060B (en) 1964-02-21 1965-02-15 System for the distribution of images reproduced on a picture surface, in particular a television screen, in a lecture room

Country Status (9)

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

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
BE659452A (en) 1965-08-09
IL22997A (en) 1969-01-29
DK108436C (en) 1967-12-11
FR1442268A (en) 1966-06-17
GB1049433A (en) 1966-11-30
SE213235C1 (en) 1967-05-30
ES309328A1 (en) 1965-05-16
CH415103A (en) 1966-06-15

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