FR846917A - Electrical signaling systems - Google Patents

Electrical signaling systems

Info

Publication number
FR846917A
FR846917A FR846917DA FR846917A FR 846917 A FR846917 A FR 846917A FR 846917D A FR846917D A FR 846917DA FR 846917 A FR846917 A FR 846917A
Authority
FR
France
Prior art keywords
signaling systems
electrical signaling
electrical
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)
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 FR846917A publication Critical patent/FR846917A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
    • 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
    • H03G9/06—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control
    • H03G9/08—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control incorporating negative feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR846917D 1938-04-21 1938-12-01 Electrical signaling systems Expired FR846917A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2241925X 1938-04-21

Publications (1)

Publication Number Publication Date
FR846917A true FR846917A (en) 1939-09-28

Family

ID=10902048

Family Applications (2)

Application Number Title Priority Date Filing Date
FR846917D Expired FR846917A (en) 1938-04-21 1938-12-01 Electrical signaling systems
FR50345D Expired FR50345E (en) 1938-04-21 1939-04-19 Electrical signaling systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR50345D Expired FR50345E (en) 1938-04-21 1939-04-19 Electrical signaling systems

Country Status (3)

Country Link
US (1) US2241925A (en)
DK (1) DK57406C (en)
FR (2) FR846917A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR900025A (en) * 1943-07-29 1945-06-18 Thomson Houston Comp Francaise Improvements to feedback amplifiers
DE963622C (en) * 1954-11-07 1957-05-09 Lorenz C Ag Circuit arrangement for the neutralization of HF, in particular IF, stages in a bridge circuit, in which the tuning capacitance of the anode circuit is switched from the anode to ground
GB1036985A (en) * 1965-04-09 1966-07-20 Standard Telephones Cables Ltd Amplifier terminating network

Also Published As

Publication number Publication date
FR50345E (en) 1940-03-16
US2241925A (en) 1941-05-13
DK57406C (en) 1940-03-26

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