FR867234A - Electric wave transmission systems - Google Patents

Electric wave transmission systems

Info

Publication number
FR867234A
FR867234A FR867234DA FR867234A FR 867234 A FR867234 A FR 867234A FR 867234D A FR867234D A FR 867234DA FR 867234 A FR867234 A FR 867234A
Authority
FR
France
Prior art keywords
wave transmission
electric wave
transmission systems
systems
electric
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR867234A publication Critical patent/FR867234A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
    • H03G9/10—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression
FR867234D 1939-07-07 1940-09-19 Electric wave transmission systems Expired FR867234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB867234X 1939-07-07

Publications (1)

Publication Number Publication Date
FR867234A true FR867234A (en) 1941-10-07

Family

ID=10610089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR867234D Expired FR867234A (en) 1939-07-07 1940-09-19 Electric wave transmission systems

Country Status (1)

Country Link
FR (1) FR867234A (en)

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