FR545968A - Improvements to delayed-action devices using thermionic valves - Google Patents

Improvements to delayed-action devices using thermionic valves

Info

Publication number
FR545968A
FR545968A FR545968DA FR545968A FR 545968 A FR545968 A FR 545968A FR 545968D A FR545968D A FR 545968DA FR 545968 A FR545968 A FR 545968A
Authority
FR
France
Prior art keywords
delayed
action devices
thermionic valves
thermionic
valves
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.)
RADIO COMM CO Ltd
Original Assignee
RADIO COMM CO Ltd
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 RADIO COMM CO Ltd filed Critical RADIO COMM CO Ltd
Application granted granted Critical
Publication of FR545968A publication Critical patent/FR545968A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H03K17/288—Modifications for introducing a time delay before switching in tube switches
FR545968D 1921-01-29 1922-01-16 Improvements to delayed-action devices using thermionic valves Expired FR545968A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB352721A GB178957A (en) 1921-01-29 1921-01-29 Improvements in and relating to delay action devices employing thermionic valves

Publications (1)

Publication Number Publication Date
FR545968A true FR545968A (en) 1922-10-25

Family

ID=9759997

Family Applications (1)

Application Number Title Priority Date Filing Date
FR545968D Expired FR545968A (en) 1921-01-29 1922-01-16 Improvements to delayed-action devices using thermionic valves

Country Status (2)

Country Link
FR (1) FR545968A (en)
GB (1) GB178957A (en)

Also Published As

Publication number Publication date
GB178957A (en) 1922-05-01

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