NL53239C - - Google Patents

Info

Publication number
NL53239C
NL53239C NL53239DA NL53239C NL 53239 C NL53239 C NL 53239C NL 53239D A NL53239D A NL 53239DA NL 53239 C NL53239 C NL 53239C
Authority
NL
Netherlands
Application number
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 filed Critical
Application granted granted Critical
Publication of NL53239C publication Critical patent/NL53239C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/02—Remote control of amplification, tone or bandwidth
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/04—Manually-operated control in untuned amplifiers
    • H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/02—Manually-operated control
    • H03G3/14—Manually-operated control in frequency-selective amplifiers
    • H03G3/16—Manually-operated control in frequency-selective amplifiers having discharge tubes
    • 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
NL53239D 1937-12-01 1938-12-01 NL53239C (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3325137A GB506659A (en) 1937-12-01 1937-12-01 Improvements in or relating to remote control systems for volume or gain control of electron discharge device amplifiers

Publications (1)

Publication Number Publication Date
NL53239C true NL53239C (zh) 1942-05-15

Family

ID=10350491

Family Applications (1)

Application Number Title Priority Date Filing Date
NL53239D NL53239C (zh) 1937-12-01 1938-12-01

Country Status (3)

Country Link
DE (1) DE757448C (zh)
GB (1) GB506659A (zh)
NL (1) NL53239C (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2563245A (en) * 1944-05-12 1951-08-07 Cossor Ltd A C Voltage combining circuits
DE1007812B (de) * 1955-08-27 1957-05-09 Nordwestdeutscher Rundfunk Ans Vorverstaerkerstufe mit Roehre oder Transistor und mit Verstaerkungsregelung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1769256A (en) * 1927-03-24 1930-07-01 Allen S Clarke Radioreceiver
GB329689A (en) * 1929-01-24 1930-05-26 Albert Hall Improvements relating to volume control devices or systems for radio receiving apparatus
US2022972A (en) * 1934-08-21 1935-12-03 Bell Telephone Labor Inc Variable gain amplifier

Also Published As

Publication number Publication date
GB506659A (en) 1939-06-01
DE757448C (de) 1953-04-27

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