FR728589A - Improvements to television systems and devices - Google Patents

Improvements to television systems and devices

Info

Publication number
FR728589A
FR728589A FR728589DA FR728589A FR 728589 A FR728589 A FR 728589A FR 728589D A FR728589D A FR 728589DA FR 728589 A FR728589 A FR 728589A
Authority
FR
France
Prior art keywords
devices
television systems
television
systems
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)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR728589A publication Critical patent/FR728589A/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
    • 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
    • H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
FR728589D 1930-12-24 1931-11-26 Improvements to television systems and devices Expired FR728589A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US504559A US2084364A (en) 1930-12-24 1930-12-24 Television system

Publications (1)

Publication Number Publication Date
FR728589A true FR728589A (en) 1932-07-07

Family

ID=24006787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728589D Expired FR728589A (en) 1930-12-24 1931-11-26 Improvements to television systems and devices

Country Status (4)

Country Link
US (1) US2084364A (en)
DE (1) DE755528C (en)
FR (1) FR728589A (en)
GB (1) GB384094A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756380C (en) * 1937-07-08 1953-09-21 Siemens App Braun tube with an additional deflection device arranged in the tube for radial deflection
US2420514A (en) * 1944-05-25 1947-05-13 Gen Electric Electron lens structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE373834C (en) * 1915-12-14 1923-04-16 Julius Edgar Lilienfeld Dr Oscillograph tube
FR641461A (en) * 1927-09-14 1928-08-04 Cathodic oscillograph for the study of low and medium frequencies

Also Published As

Publication number Publication date
DE755528C (en) 1952-07-17
US2084364A (en) 1937-06-22
GB384094A (en) 1932-12-01

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