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FR881084A - Low frequency amplifier assembly - Google Patents

Low frequency amplifier assembly

Info

Publication number
FR881084A
FR881084A FR881084DA FR881084A FR 881084 A FR881084 A FR 881084A FR 881084D A FR881084D A FR 881084DA FR 881084 A FR881084 A FR 881084A
Authority
FR
France
Prior art keywords
low frequency
frequency amplifier
amplifier assembly
assembly
low
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.)
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 FR881084A publication Critical patent/FR881084A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/04Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • H04R3/08Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/02Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with tubes only
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/22Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR881084D 1941-04-09 1942-04-07 Low frequency amplifier assembly Expired FR881084A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2417296X 1941-04-09

Publications (1)

Publication Number Publication Date
FR881084A true FR881084A (en) 1943-04-14

Family

ID=19874181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR881084D Expired FR881084A (en) 1941-04-09 1942-04-07 Low frequency amplifier assembly

Country Status (2)

Country Link
US (1) US2417296A (en)
FR (1) FR881084A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE477331A (en) * 1944-01-15
US2515683A (en) * 1946-12-20 1950-07-18 Jose W Acosta Circuit coupling device for highfrequency therapeutic apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB145869A (en) * 1919-04-01 1920-07-02 Robinson Charles Improvements in or relating to telephonic repeaters
US1881515A (en) * 1926-08-31 1932-10-11 Bell Telephone Labor Inc Transmission circuit
US1815023A (en) * 1927-02-19 1931-07-14 Radio Inventions Inc Amplifier coupling
US1808726A (en) * 1928-05-09 1931-06-02 Radio Inventions Inc Audio frequency coupling
US1908934A (en) * 1930-05-14 1933-05-16 Hazeltine Corp Electric coupling system

Also Published As

Publication number Publication date
US2417296A (en) 1947-03-11

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