FR858682A - Systèmes de communication de télévision - Google Patents

Systèmes de communication de télévision

Info

Publication number
FR858682A
FR858682A FR858682DA FR858682A FR 858682 A FR858682 A FR 858682A FR 858682D A FR858682D A FR 858682DA FR 858682 A FR858682 A FR 858682A
Authority
FR
France
Prior art keywords
communication systems
television communication
television
systems
communication
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
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR858682A publication Critical patent/FR858682A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Studio Circuits (AREA)
FR858682D 1938-01-11 1939-03-14 Systèmes de communication de télévision Expired FR858682A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US184407A US2157749A (en) 1938-01-11 1938-01-11 Method and system for television communication
GB8178/39A GB526364A (en) 1938-01-11 1939-03-14 Methods and systems for television communications
FR858682T 1939-03-14

Publications (1)

Publication Number Publication Date
FR858682A true FR858682A (fr) 1940-11-30

Family

ID=9847330

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858682D Expired FR858682A (fr) 1938-01-11 1939-03-14 Systèmes de communication de télévision

Country Status (3)

Country Link
US (1) US2157749A (fr)
FR (1) FR858682A (fr)
GB (1) GB526364A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE470043A (fr) * 1945-09-24
US2520507A (en) * 1947-07-29 1950-08-29 Rauland Corp Kinescope for simultaneously picking up an object and presenting an image
US2537173A (en) * 1948-02-19 1951-01-09 Rauland Corp Television intercommunication system
US2705764A (en) * 1950-02-25 1955-04-05 Rca Corp Dual-area target electrodes and methods of making the same
US2891108A (en) * 1953-08-03 1959-06-16 Reed C Lawlor Aerial reconnaissance system
US3447023A (en) * 1965-04-20 1969-05-27 Tokyo Shibaura Electric Co Electron tube for both transmission and reception of visual information

Also Published As

Publication number Publication date
US2157749A (en) 1939-05-09
GB526364A (en) 1940-09-17

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