FR597580A - Method and devices for varying the amplifying or sensing effects of relays, and their applications - Google Patents

Method and devices for varying the amplifying or sensing effects of relays, and their applications

Info

Publication number
FR597580A
FR597580A FR597580DA FR597580A FR 597580 A FR597580 A FR 597580A FR 597580D A FR597580D A FR 597580DA FR 597580 A FR597580 A FR 597580A
Authority
FR
France
Prior art keywords
relays
amplifying
varying
applications
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)
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.)
SOC ET LIAISONS TELEPHONIQUES
Original Assignee
SOC ET LIAISONS TELEPHONIQUES
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 SOC ET LIAISONS TELEPHONIQUES filed Critical SOC ET LIAISONS TELEPHONIQUES
Application granted granted Critical
Publication of FR597580A publication Critical patent/FR597580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
FR597580D 1925-05-04 1925-05-04 Method and devices for varying the amplifying or sensing effects of relays, and their applications Expired FR597580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR597580T 1925-05-04

Publications (1)

Publication Number Publication Date
FR597580A true FR597580A (en) 1925-11-24

Family

ID=8968329

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597580D Expired FR597580A (en) 1925-05-04 1925-05-04 Method and devices for varying the amplifying or sensing effects of relays, and their applications

Country Status (1)

Country Link
FR (1) FR597580A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756556C (en) * 1938-08-28 1954-06-08 Lorenz C Ag Tube amplifier stage for selective voltage amplification

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE756556C (en) * 1938-08-28 1954-06-08 Lorenz C Ag Tube amplifier stage for selective voltage amplification

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