FR728540A - Improvements to wave signaling systems - Google Patents

Improvements to wave signaling systems

Info

Publication number
FR728540A
FR728540A FR728540DA FR728540A FR 728540 A FR728540 A FR 728540A FR 728540D A FR728540D A FR 728540DA FR 728540 A FR728540 A FR 728540A
Authority
FR
France
Prior art keywords
signaling systems
wave signaling
wave
systems
signaling
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
Oliver Joseph Lodge
James Robinson
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 FR728540A publication Critical patent/FR728540A/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
    • H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
    • H01J31/04—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with only one or two output electrodes with only two electrically independant groups or electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
FR728540D 1930-02-20 1931-02-14 Improvements to wave signaling systems Expired FR728540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB728540X 1930-02-20

Publications (1)

Publication Number Publication Date
FR728540A true FR728540A (en) 1932-07-07

Family

ID=10495405

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728540D Expired FR728540A (en) 1930-02-20 1931-02-14 Improvements to wave signaling systems

Country Status (1)

Country Link
FR (1) FR728540A (en)

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