GB1049433A - Multiple viewing system for educational television and the like - Google Patents

Multiple viewing system for educational television and the like

Info

Publication number
GB1049433A
GB1049433A GB628365A GB628365A GB1049433A GB 1049433 A GB1049433 A GB 1049433A GB 628365 A GB628365 A GB 628365A GB 628365 A GB628365 A GB 628365A GB 1049433 A GB1049433 A GB 1049433A
Authority
GB
United Kingdom
Prior art keywords
bracket
pupil
feb
arms
mirror
Prior art date
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
GB628365A
Other languages
English (en)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Publication of GB1049433A publication Critical patent/GB1049433A/en
Expired legal-status Critical Current

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)
GB628365A 1964-02-21 1965-02-12 Multiple viewing system for educational television and the like Expired GB1049433A (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
GB1049433A true GB1049433A (en) 1966-11-30

Family

ID=8823756

Family Applications (1)

Application Number Title Priority Date Filing Date
GB628365A Expired GB1049433A (en) 1964-02-21 1965-02-12 Multiple viewing system for educational television and the like

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7814617B2 (en) 2004-12-06 2010-10-19 Manfred Frank Patent Holdings Limited Hinge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7814617B2 (en) 2004-12-06 2010-10-19 Manfred Frank Patent Holdings Limited Hinge

Also Published As

Publication number Publication date
CH415103A (fr) 1966-06-15
ES309328A1 (es) 1965-05-16
AT251060B (de) 1966-12-12
SE213235C1 (xx) 1967-05-30
BE659452A (xx) 1965-08-09
DK108436C (da) 1967-12-11
FR1442268A (fr) 1966-06-17
IL22997A (en) 1969-01-29

Similar Documents

Publication Publication Date Title
GB1375285A (xx)
GB1476019A (en) Optical transformation drawing apparatus
GB1281705A (en) Improvements relating to apparatus for self-examination of the mouth
GB1524918A (en) Optical projector with adjustable support
GB1049433A (en) Multiple viewing system for educational television and the like
GB2004383A (en) Infinity display system
GB1258575A (xx)
GB1043310A (en) Optical system
GB544217A (en) Hyposcope for viewing simultaneously forwards and backwards
GB1046783A (en) Optical apparatus
GB679847A (en) Improvements in optical projection apparatus incorporating a cathode-ray tube
GB1480375A (en) Optical observation
ES277112A1 (es) Aparato oftalmológico de proyección luminosa
GB1113674A (en) Apparatus for viewing television pictures
GB1246801A (en) Improvements in and relating to high intensity light sources
GB971276A (en) Optical comparison apparatus
GB719553A (en) A television viewing device
GB1401423A (en) Image presentation apparatus
GB624728A (en) Improvements in sight-testing appliances
GB1101245A (en) Device for measuring and recording the pupillary positions of human eyes
GB976731A (en) Improvements relating to apparatus for stereo-photogrammetry
GB715614A (en) Improvements in or relating to optical projectors
GB690966A (en) Improvements in or relating to ophthalmic testing arrangements
GB1021912A (en) Apparatus for projecting or directly viewing diapositives
GB1093839A (en) Support strut