FR641461A - Cathodic oscillograph for the study of low and medium frequencies - Google Patents

Cathodic oscillograph for the study of low and medium frequencies

Info

Publication number
FR641461A
FR641461A FR641461DA FR641461A FR 641461 A FR641461 A FR 641461A FR 641461D A FR641461D A FR 641461DA FR 641461 A FR641461 A FR 641461A
Authority
FR
France
Prior art keywords
study
low
medium frequencies
oscillograph
cathodic
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
Heliodoro Tellez-Plasencia
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
Application granted granted Critical
Publication of FR641461A publication Critical patent/FR641461A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/121—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen tubes for oscillography
FR641461D 1927-09-14 1927-09-14 Cathodic oscillograph for the study of low and medium frequencies Expired FR641461A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR641461T 1927-09-14

Publications (1)

Publication Number Publication Date
FR641461A true FR641461A (en) 1928-08-04

Family

ID=8998163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641461D Expired FR641461A (en) 1927-09-14 1927-09-14 Cathodic oscillograph for the study of low and medium frequencies

Country Status (1)

Country Link
FR (1) FR641461A (en)

Cited By (7)

* 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
DE748013C (en) * 1939-11-08 1944-10-23 Piston for a Branun tube for receiving or sending images
US2501352A (en) * 1944-11-16 1950-03-21 Westinghouse Electric Corp Controlling means for operating an electronic oscillograph to produce a record
DE766496C (en) * 1936-01-29 1952-04-10 Aeg Electron-optical image converter
DE755528C (en) * 1930-12-24 1952-07-17 Rca Corp Arrangement with intensity controlled cathode ray tube
DE879744C (en) * 1941-05-29 1953-06-15 Siemens Reiniger Werke Ag X-ray tubes with a controllable collecting coil attached near the anode for setting the size of the focal spot
DE759388C (en) * 1934-05-09 1954-01-18 Aeg Device for converting a light-optical image distribution into an electron-optical image distribution by means of a homogeneous electric field running in the axial direction and a parallel homogeneous magnetic field

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE755528C (en) * 1930-12-24 1952-07-17 Rca Corp Arrangement with intensity controlled cathode ray tube
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
DE759388C (en) * 1934-05-09 1954-01-18 Aeg Device for converting a light-optical image distribution into an electron-optical image distribution by means of a homogeneous electric field running in the axial direction and a parallel homogeneous magnetic field
DE766496C (en) * 1936-01-29 1952-04-10 Aeg Electron-optical image converter
DE748013C (en) * 1939-11-08 1944-10-23 Piston for a Branun tube for receiving or sending images
DE879744C (en) * 1941-05-29 1953-06-15 Siemens Reiniger Werke Ag X-ray tubes with a controllable collecting coil attached near the anode for setting the size of the focal spot
US2501352A (en) * 1944-11-16 1950-03-21 Westinghouse Electric Corp Controlling means for operating an electronic oscillograph to produce a record

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