FR800196A - Procédé de reproduction phonique au moyen de plusieurs radiateurs sonores et dispositifs en permettant la réalisation - Google Patents

Procédé de reproduction phonique au moyen de plusieurs radiateurs sonores et dispositifs en permettant la réalisation

Info

Publication number
FR800196A
FR800196A FR800196DA FR800196A FR 800196 A FR800196 A FR 800196A FR 800196D A FR800196D A FR 800196DA FR 800196 A FR800196 A FR 800196A
Authority
FR
France
Prior art keywords
sound
realization
devices allowing
radiators
several
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
English (en)
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 FR800196A publication Critical patent/FR800196A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D37/00—Circular looms
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D51/00—Driving, starting, or stopping arrangements; Automatic stop motions
    • D03D51/18—Automatic stop motions
    • D03D51/20—Warp stop motions
    • D03D51/28—Warp stop motions electrical
FR800196D 1935-01-17 1935-12-31 Procédé de reproduction phonique au moyen de plusieurs radiateurs sonores et dispositifs en permettant la réalisation Expired FR800196A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE445765X 1935-01-17

Publications (1)

Publication Number Publication Date
FR800196A true FR800196A (fr) 1936-06-29

Family

ID=6537800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800196D Expired FR800196A (fr) 1935-01-17 1935-12-31 Procédé de reproduction phonique au moyen de plusieurs radiateurs sonores et dispositifs en permettant la réalisation

Country Status (4)

Country Link
US (1) US2160112A (xx)
FR (1) FR800196A (xx)
GB (1) GB445765A (xx)
NL (1) NL76211C (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273662A (en) * 1966-09-20 Stereo sound system
US2602860A (en) * 1947-11-18 1952-07-08 Doubt Leon Stewart Loud-speaker structure
US2632055A (en) * 1949-04-18 1953-03-17 John E Parker Loud speaker system
US2746559A (en) * 1954-06-01 1956-05-22 Ivan W Mastin Serving tray mounted loud-speakers
US4199657A (en) * 1978-07-21 1980-04-22 Harvey Lane Planar sound reproducing speaker system
US4657107A (en) * 1986-02-18 1987-04-14 Harwood Warren S Loudspeaker cabinet

Also Published As

Publication number Publication date
US2160112A (en) 1939-05-30
NL76211C (xx)
GB445765A (en) 1936-04-17

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