GB457846A - Improvements in or relating to television tubes - Google Patents

Improvements in or relating to television tubes

Info

Publication number
GB457846A
GB457846A GB20744/36A GB2074436A GB457846A GB 457846 A GB457846 A GB 457846A GB 20744/36 A GB20744/36 A GB 20744/36A GB 2074436 A GB2074436 A GB 2074436A GB 457846 A GB457846 A GB 457846A
Authority
GB
United Kingdom
Prior art keywords
diaphragm
disc
cathode
march
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
GB20744/36A
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
Publication of GB457846A publication Critical patent/GB457846A/en
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)
GB20744/36A 1934-03-03 1935-03-04 Improvements in or relating to television tubes Expired GB457846A (en)

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
GB457846A true GB457846A (en) 1936-12-04

Family

ID=32074463

Family Applications (5)

Application Number Title Priority Date Filing Date
GB25752/36A Expired GB457848A (en) 1934-03-03 1935-03-04 Improvements in or relating to television cathode ray tubes
GB25754/36A Expired GB456331A (en) 1934-03-03 1935-03-04 Improvements in or relating to braun tubes, preferably for television purposes
GB6688/35A Expired GB457757A (en) 1934-03-03 1935-03-04 Television cathode ray tube
GB25753/36A Expired GB456717A (en) 1934-03-03 1935-03-04 Improvements in or relating to braun tubes and circuits therefore, preferably for television purposes
GB20744/36A Expired GB457846A (en) 1934-03-03 1935-03-04 Improvements in or relating to television tubes

Family Applications Before (4)

Application Number Title Priority Date Filing Date
GB25752/36A Expired GB457848A (en) 1934-03-03 1935-03-04 Improvements in or relating to television cathode ray tubes
GB25754/36A Expired GB456331A (en) 1934-03-03 1935-03-04 Improvements in or relating to braun tubes, preferably for television purposes
GB6688/35A Expired GB457757A (en) 1934-03-03 1935-03-04 Television cathode ray tube
GB25753/36A Expired GB456717A (en) 1934-03-03 1935-03-04 Improvements in or relating to braun tubes and circuits therefore, preferably for television purposes

Country Status (5)

Country Link
US (1) US2197899A (instruction)
BE (2) BE408184A (instruction)
FR (1) FR786632A (instruction)
GB (5) GB457848A (instruction)
NL (1) NL51359C (instruction)

Families Citing this family (2)

* 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
US2572858A (en) * 1947-06-03 1951-10-30 Sylvania Electric Prod Electron optical system

Also Published As

Publication number Publication date
GB457757A (en) 1936-12-04
GB456717A (en) 1936-11-04
GB456331A (en) 1936-11-04
US2197899A (en) 1940-04-23
NL51359C (instruction)
BE408184A (instruction)
BE408183A (instruction)
FR786632A (fr) 1935-09-06
GB457848A (en) 1936-12-04

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