FR1350161A - Acoustic device more particularly loudspeaker - Google Patents

Acoustic device more particularly loudspeaker

Info

Publication number
FR1350161A
FR1350161A FR919286A FR919286A FR1350161A FR 1350161 A FR1350161 A FR 1350161A FR 919286 A FR919286 A FR 919286A FR 919286 A FR919286 A FR 919286A FR 1350161 A FR1350161 A FR 1350161A
Authority
FR
France
Prior art keywords
acoustic device
loudspeaker
particularly loudspeaker
acoustic
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
FR919286A
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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
Priority claimed from US163170A external-priority patent/US3118972A/en
Application filed by RCA Corp, Radio Corporation of America filed Critical RCA Corp
Priority to FR919286A priority Critical patent/FR1350161A/en
Application granted granted Critical
Publication of FR1350161A publication Critical patent/FR1350161A/en
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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • 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
    • 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
    • H03F3/26—Push-pull amplifiers; Phase-splitters therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
FR919286A 1961-12-29 1962-12-20 Acoustic device more particularly loudspeaker Expired FR1350161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR919286A FR1350161A (en) 1961-12-29 1962-12-20 Acoustic device more particularly loudspeaker

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US163170A US3118972A (en) 1961-12-29 1961-12-29 Acoustic apparatus
FR919286A FR1350161A (en) 1961-12-29 1962-12-20 Acoustic device more particularly loudspeaker

Publications (1)

Publication Number Publication Date
FR1350161A true FR1350161A (en) 1964-01-24

Family

ID=26199010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR919286A Expired FR1350161A (en) 1961-12-29 1962-12-20 Acoustic device more particularly loudspeaker

Country Status (1)

Country Link
FR (1) FR1350161A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9670058B2 (en) 2012-04-02 2017-06-06 Stmicroelectronics (Rousset) Sas Integrated circuit provided with a device for detecting its spatial orientation and/or a modification of this orientation
US9721858B2 (en) 2014-06-23 2017-08-01 Stmicroelectronics (Rousset) Sas Controllable integrated capacitive device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9670058B2 (en) 2012-04-02 2017-06-06 Stmicroelectronics (Rousset) Sas Integrated circuit provided with a device for detecting its spatial orientation and/or a modification of this orientation
US9721858B2 (en) 2014-06-23 2017-08-01 Stmicroelectronics (Rousset) Sas Controllable integrated capacitive device
US10475713B2 (en) 2014-06-23 2019-11-12 Stmicroelectronics (Rousset) Sas Controllable integrated capacitive device

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