FR786632A - Tube à rayons cathodiques pour la télévision - Google Patents

Tube à rayons cathodiques pour la télévision

Info

Publication number
FR786632A
FR786632A FR786632DA FR786632A FR 786632 A FR786632 A FR 786632A FR 786632D A FR786632D A FR 786632DA FR 786632 A FR786632 A FR 786632A
Authority
FR
France
Prior art keywords
television
ray tube
cathode ray
cathode
tube
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta GmbH
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
Priority claimed from US8660A external-priority patent/US2137353A/en
Application filed by Loewe Opta GmbH filed Critical Loewe Opta GmbH
Application granted granted Critical
Publication of FR786632A publication Critical patent/FR786632A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
    • H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
    • 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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/74—Deflecting by electric fields only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
FR786632D 1934-03-03 1935-03-02 Tube à rayons cathodiques pour la télévision Expired FR786632A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE2137353X 1934-03-03
DE456331X 1934-03-31
US8660A US2137353A (en) 1934-03-03 1935-02-28 Television tube
US213731A US2197899A (en) 1934-03-03 1938-06-15 Television tube

Publications (1)

Publication Number Publication Date
FR786632A true FR786632A (fr) 1935-09-06

Family

ID=32074463

Family Applications (1)

Application Number Title Priority Date Filing Date
FR786632D Expired FR786632A (fr) 1934-03-03 1935-03-02 Tube à rayons cathodiques pour la télévision

Country Status (5)

Country Link
US (1) US2197899A (fr)
BE (2) BE408184A (fr)
FR (1) FR786632A (fr)
GB (5) GB457846A (fr)
NL (1) NL51359C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE766496C (de) * 1936-01-29 1952-04-10 Aeg Elektronenoptischer Bildwandler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2572858A (en) * 1947-06-03 1951-10-30 Sylvania Electric Prod Electron optical system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE766496C (de) * 1936-01-29 1952-04-10 Aeg Elektronenoptischer Bildwandler

Also Published As

Publication number Publication date
GB457846A (en) 1936-12-04
BE408183A (fr)
NL51359C (fr)
BE408184A (fr)
US2197899A (en) 1940-04-23
GB457848A (en) 1936-12-04
GB456717A (en) 1936-11-04
GB456331A (en) 1936-11-04
GB457757A (en) 1936-12-04

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