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FR493433A - Improvements to radio-telegraph devices - Google Patents

Improvements to radio-telegraph devices

Info

Publication number
FR493433A
FR493433A FR493433DA FR493433A FR 493433 A FR493433 A FR 493433A FR 493433D A FR493433D A FR 493433DA FR 493433 A FR493433 A FR 493433A
Authority
FR
France
Prior art keywords
radio
telegraph devices
telegraph
devices
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
Lawrence Marcham Cockaday
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.)
LAWRENCE MARCHAM COCKADAY
Original Assignee
LAWRENCE MARCHAM COCKADAY
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 LAWRENCE MARCHAM COCKADAY filed Critical LAWRENCE MARCHAM COCKADAY
Application granted granted Critical
Publication of FR493433A publication Critical patent/FR493433A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B11/00—Generation of oscillations using a shock-excited tuned circuit
    • H03B11/04—Generation of oscillations using a shock-excited tuned circuit excited by interrupter
    • H03B11/06—Generation of oscillations using a shock-excited tuned circuit excited by interrupter by mechanical interrupter
FR493433D 1917-10-17 1918-11-16 Improvements to radio-telegraph devices Expired FR493433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US493433XA 1917-10-17 1917-10-17

Publications (1)

Publication Number Publication Date
FR493433A true FR493433A (en) 1919-08-08

Family

ID=1529183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR493433D Expired FR493433A (en) 1917-10-17 1918-11-16 Improvements to radio-telegraph devices

Country Status (1)

Country Link
FR (1) FR493433A (en)

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