FR1220711A - Circuit de contre-réaction - Google Patents

Circuit de contre-réaction

Info

Publication number
FR1220711A
FR1220711A FR792619A FR792619A FR1220711A FR 1220711 A FR1220711 A FR 1220711A FR 792619 A FR792619 A FR 792619A FR 792619 A FR792619 A FR 792619A FR 1220711 A FR1220711 A FR 1220711A
Authority
FR
France
Prior art keywords
feedback circuit
feedback
circuit
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
FR792619A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1220711A publication Critical patent/FR1220711A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • 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
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/42—Amplifiers with two or more amplifying elements having their dc paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers
    • H03F3/44—Amplifiers with two or more amplifying elements having their dc paths in series with the load, the control electrode of each element being excited by at least part of the input signal, e.g. so-called totem-pole amplifiers with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
FR792619A 1958-04-18 1959-04-21 Circuit de contre-réaction Expired FR1220711A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA749778 1958-04-18

Publications (1)

Publication Number Publication Date
FR1220711A true FR1220711A (fr) 1960-05-27

Family

ID=4141053

Family Applications (1)

Application Number Title Priority Date Filing Date
FR792619A Expired FR1220711A (fr) 1958-04-18 1959-04-21 Circuit de contre-réaction

Country Status (4)

Country Link
US (1) US3038125A (fr)
DE (1) DE1119340B (fr)
FR (1) FR1220711A (fr)
GB (1) GB918535A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4597100A (en) * 1984-05-15 1986-06-24 Rg Dynamics, Inc. Ultra high resolution loudspeaker system
TWM368743U (en) * 2009-05-08 2009-11-11 Guo Zhao Ying Elevating device for monitoring camera

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367110A (en) * 1937-03-12 1945-01-09 Philco Corp Audio amplifier system
BE428227A (fr) * 1937-05-24
US2289752A (en) * 1938-04-27 1942-07-14 Telefunken Gmbh Wide band amplifier
BE476372A (fr) * 1946-04-30
GB657312A (en) * 1948-05-20 1951-09-19 Marconi Wireless Telegraph Co Improvements in or relating to thermionic valve amplifiers
US2627931A (en) * 1949-12-03 1953-02-10 Stromberg Carlson Co Means for improving frequency response of sound systems
US2633528A (en) * 1950-04-03 1953-03-31 Leroy S Hutson Electronic pulse modulator switch
US2777020A (en) * 1951-06-22 1957-01-08 Joseph F Dobosy Direct coupled high fidelity amplifier
US2764643A (en) * 1954-03-23 1956-09-25 Frank H Mcintosh Oscillators

Also Published As

Publication number Publication date
DE1119340B (de) 1961-12-14
US3038125A (en) 1962-06-05
GB918535A (en) 1963-02-13

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