FR699478A - Improvements to cathode ray tubes - Google Patents

Improvements to cathode ray tubes

Info

Publication number
FR699478A
FR699478A FR699478DA FR699478A FR 699478 A FR699478 A FR 699478A FR 699478D A FR699478D A FR 699478DA FR 699478 A FR699478 A FR 699478A
Authority
FR
France
Prior art keywords
cathode ray
ray tubes
tubes
cathode
ray
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
French (fr)
Inventor
Pierre-Emile-Louis Chevallier
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 filed Critical
Priority to FR699478D priority Critical patent/FR699478A/en
Priority to DE1930720676D priority patent/DE720676C/en
Priority to GB32635/30A priority patent/GB360654A/en
Application granted granted Critical
Publication of FR699478A publication Critical patent/FR699478A/en
Priority to US630397A priority patent/US2021253A/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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
FR699478D 1929-10-25 1929-10-25 Improvements to cathode ray tubes Expired FR699478A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR699478D FR699478A (en) 1929-10-25 1929-10-25 Improvements to cathode ray tubes
DE1930720676D DE720676C (en) 1929-10-25 1930-10-25 Arrangement for the concentration of a bundle of electron beams to form a thread-like beam in a highly evacuated tube with a glow cathode
GB32635/30A GB360654A (en) 1929-10-25 1930-10-30 Improvements in and relating to cathode ray tubes
US630397A US2021253A (en) 1929-10-25 1932-08-25 Kinescope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR699478D FR699478A (en) 1929-10-25 1929-10-25 Improvements to cathode ray tubes

Publications (1)

Publication Number Publication Date
FR699478A true FR699478A (en) 1931-02-16

Family

ID=38665959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR699478D Expired FR699478A (en) 1929-10-25 1929-10-25 Improvements to cathode ray tubes

Country Status (4)

Country Link
US (1) US2021253A (en)
DE (1) DE720676C (en)
FR (1) FR699478A (en)
GB (1) GB360654A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741731C (en) * 1931-05-23 1943-11-16 Erich Hudec Dr Ing Arrangement with a Braunschweig tube with first and second anode, especially for television purposes
DE746200C (en) * 1933-11-16 1944-06-19 E H Walter Rogowski Dr Ing Dr Cathode ray tube with electrostatic lens
DE768131C (en) * 1932-03-18 1956-03-15 Siegmund Loewe Dr Braun's tube, in which all electrodes are held using holders attached to the pinch foot

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE878510C (en) * 1932-07-16 1953-06-05 Aeg Electron beam tubes for sound film and television purposes

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741731C (en) * 1931-05-23 1943-11-16 Erich Hudec Dr Ing Arrangement with a Braunschweig tube with first and second anode, especially for television purposes
DE768131C (en) * 1932-03-18 1956-03-15 Siegmund Loewe Dr Braun's tube, in which all electrodes are held using holders attached to the pinch foot
DE746200C (en) * 1933-11-16 1944-06-19 E H Walter Rogowski Dr Ing Dr Cathode ray tube with electrostatic lens

Also Published As

Publication number Publication date
US2021253A (en) 1935-11-19
GB360654A (en) 1931-11-12
DE720676C (en) 1942-05-13

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