FR936806A - Amplifier assembly - Google Patents

Amplifier assembly

Info

Publication number
FR936806A
FR936806A FR936806DA FR936806A FR 936806 A FR936806 A FR 936806A FR 936806D A FR936806D A FR 936806DA FR 936806 A FR936806 A FR 936806A
Authority
FR
France
Prior art keywords
amplifier assembly
amplifier
assembly
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 FR936806A publication Critical patent/FR936806A/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
    • 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
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/22—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with tubes only
    • 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
    • H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
    • H04R3/14—Cross-over networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
FR936806D 1945-08-03 1946-10-23 Amplifier assembly Expired FR936806A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL254963X 1945-08-03

Publications (1)

Publication Number Publication Date
FR936806A true FR936806A (en) 1948-07-30

Family

ID=19781259

Family Applications (1)

Application Number Title Priority Date Filing Date
FR936806D Expired FR936806A (en) 1945-08-03 1946-10-23 Amplifier assembly

Country Status (5)

Country Link
US (1) US2452499A (en)
BE (1) BE467997A (en)
CH (1) CH254963A (en)
FR (1) FR936806A (en)
GB (1) GB618789A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1012643B (en) * 1955-05-23 1957-07-25 Loewe Opta Ag Low frequency amplifier arrangement with several loudspeakers or loudspeaker groups
US3067390A (en) * 1959-10-07 1962-12-04 Optimation Inc Low level frequency dividing network
GB1028383A (en) * 1963-10-29 1966-05-04 Rank Bush Murphy Ltd Amplifier for feeding a reactive load
USRE31228E (en) * 1967-12-04 1983-05-03 Bose Corporation Loudspeaker system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB215104A (en) * 1923-02-05 1924-05-05 Henry Joseph Round Improved means for reproducing sound
US1711529A (en) * 1923-05-14 1929-05-07 Signal Ges Mit Beschraenkter H Multiple-range sound-transmitting system
FR613417A (en) * 1925-03-31 1926-11-17
US1698269A (en) * 1926-10-29 1929-01-08 Konheim Harvey Method of reproducing electrical oscillations and apparatus therefor
US1760821A (en) * 1927-10-19 1930-05-27 Leon F Douglass Amplifying and reproducing system

Also Published As

Publication number Publication date
BE467997A (en)
US2452499A (en) 1948-10-26
GB618789A (en) 1949-02-28
CH254963A (en) 1948-05-31

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