GB491874A - Hot cathode for cathode ray tubes - Google Patents

Hot cathode for cathode ray tubes

Info

Publication number
GB491874A
GB491874A GB7194/37A GB719437A GB491874A GB 491874 A GB491874 A GB 491874A GB 7194/37 A GB7194/37 A GB 7194/37A GB 719437 A GB719437 A GB 719437A GB 491874 A GB491874 A GB 491874A
Authority
GB
United Kingdom
Prior art keywords
cathode
ray tubes
block
wires
oxide
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
GB7194/37A
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
Application filed by Loewe Opta GmbH filed Critical Loewe Opta GmbH
Publication of GB491874A publication Critical patent/GB491874A/en
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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/48—Electron guns
    • H01J29/485—Construction of the gun or of parts thereof

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
GB7194/37A 1936-03-12 1937-03-11 Hot cathode for cathode ray tubes Expired GB491874A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE491874X 1936-03-12

Publications (1)

Publication Number Publication Date
GB491874A true GB491874A (en) 1938-09-12

Family

ID=6544329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7194/37A Expired GB491874A (en) 1936-03-12 1937-03-11 Hot cathode for cathode ray tubes

Country Status (3)

Country Link
US (1) US2227017A (fr)
FR (1) FR819015A (fr)
GB (1) GB491874A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759555C (de) * 1939-11-17 1953-02-09 Siemens & Halske A G Elektronenstrahloszillograph

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425738A (en) * 1941-10-23 1947-08-19 Sperry Gyroscope Co Inc Tunable high-frequency electron tube structure
US2432037A (en) * 1943-08-20 1947-12-02 Kreisler Mfg Corp Jacques Electron gun positioning means
US2509702A (en) * 1947-01-14 1950-05-30 Eureka Television And Tube Cor Cathode for thermionic valves
US2609518A (en) * 1947-11-15 1952-09-02 Hartford Nat Bank & Trust Co Electron discharge tube having a disk-shaped cathode
US2527127A (en) * 1948-12-24 1950-10-24 Bell Telephone Labor Inc Electronic discharge device
US2727433A (en) * 1951-06-08 1955-12-20 Raymond T Moloney Score projector with shiftable optical system
US2897396A (en) * 1955-05-10 1959-07-28 Vakutronik Veb Electron emitting system
US3461338A (en) * 1967-01-16 1969-08-12 Ibm Non-inductive filament configuration
DE1933309B2 (de) * 1969-07-01 1971-05-06 Indirekt geheizte gluehkathode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE759555C (de) * 1939-11-17 1953-02-09 Siemens & Halske A G Elektronenstrahloszillograph

Also Published As

Publication number Publication date
US2227017A (en) 1940-12-31
FR819015A (fr) 1937-10-08

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