FR33945E - Perfectionnements aux appareils producteurs de sons - Google Patents

Perfectionnements aux appareils producteurs de sons

Info

Publication number
FR33945E
FR33945E FR33945DA FR33945E FR 33945 E FR33945 E FR 33945E FR 33945D A FR33945D A FR 33945DA FR 33945 E FR33945 E FR 33945E
Authority
FR
France
Prior art keywords
sound
producing devices
producing
devices
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 US1483A external-priority patent/US1707617A/en
Priority claimed from US126465A external-priority patent/US1758797A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR33945E publication Critical patent/FR33945E/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/14—Non-planar diaphragms or cones corrugated, pleated or ribbed
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H04R11/02—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • 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
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • 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
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR33945D 1925-01-09 1927-07-29 Perfectionnements aux appareils producteurs de sons Expired FR33945E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1483A US1707617A (en) 1925-01-09 1925-01-09 Sound-reproducing apparatus
US126465A US1758797A (en) 1926-08-02 1926-08-02 Loud-speaker

Publications (1)

Publication Number Publication Date
FR33945E true FR33945E (fr) 1929-03-27

Family

ID=26669077

Family Applications (1)

Application Number Title Priority Date Filing Date
FR33945D Expired FR33945E (fr) 1925-01-09 1927-07-29 Perfectionnements aux appareils producteurs de sons

Country Status (2)

Country Link
BE (1) BE344490A (en, 2012)
FR (1) FR33945E (en, 2012)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113329308A (zh) * 2021-07-07 2021-08-31 东莞市皖太电子科技有限公司 一种双低频内嵌式圈铁单元

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113329308A (zh) * 2021-07-07 2021-08-31 东莞市皖太电子科技有限公司 一种双低频内嵌式圈铁单元

Also Published As

Publication number Publication date
BE344490A (en, 2012)

Similar Documents

Publication Publication Date Title
FR37084E (fr) Perfectionnements aux appareils producteurs de sons
FR37085E (fr) Perfectionnements aux appareils producteurs de sons
FR592738A (fr) Perfectionnements aux dispositifs producteurs de sons
FR33945E (fr) Perfectionnements aux appareils producteurs de sons
FR31813E (fr) Perfectionnements aux appareils producteurs de sons
FR37102E (fr) Perfectionnements aux appareils producteurs de sons
FR35978E (fr) Perfectionnements aux appareils producteurs de sons
FR47049E (fr) Perfectionnements aux appareils producteurs de sons
FR40254E (fr) Perfectionnements aux appareils producteurs de sons
FR623688A (fr) Perfectionnements aux appareils producteurs de sons
FR653609A (fr) Perfectionnements apportés aux appareils producteurs de sons
FR622723A (fr) Perfectionnements aux appareils piézoélectriques
FR595094A (fr) Perfectionnements aux appareils pare-chocs
FR605123A (fr) Perfectionnements aux appareils réfrigérants
FR31776E (fr) Perfectionnements aux appareils thermo-ioniques
FR595570A (fr) Perfectionnements aux appareils de séchage
FR619758A (fr) Perfectionnements apportés aux appareils de télévision
FR615962A (fr) Perfectionnements aux appareils de publicité
FR577421A (fr) Perfectionnements aux appareils récepteurs de sons
FR629570A (fr) Perfectionnements aux appareils émetteurs de sons
FR619597A (fr) Perfectionnements apportés aux appareils pulvérisateurs
FR592774A (fr) Perfectionnements aux appareils intégrateurs
FR599939A (fr) Perfectionnements aux appareils de réclame ou de publicité
FR620712A (fr) Perfectionnements aux appareils changeurs de monnaie
FR602623A (fr) Perfectionnements aux appareils régulateurs