FR775717A - Système vibratoire pour appareils acoustiques - Google Patents

Système vibratoire pour appareils acoustiques

Info

Publication number
FR775717A
FR775717A FR775717DA FR775717A FR 775717 A FR775717 A FR 775717A FR 775717D A FR775717D A FR 775717DA FR 775717 A FR775717 A FR 775717A
Authority
FR
France
Prior art keywords
vibration system
hearing devices
hearing
devices
vibration
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)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR775717A publication Critical patent/FR775717A/fr
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
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR775717D 1934-04-05 1934-07-11 Système vibratoire pour appareils acoustiques Expired FR775717A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2110908X 1934-04-05

Publications (1)

Publication Number Publication Date
FR775717A true FR775717A (fr) 1935-01-08

Family

ID=7985420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR775717D Expired FR775717A (fr) 1934-04-05 1934-07-11 Système vibratoire pour appareils acoustiques

Country Status (2)

Country Link
US (1) US2110908A (fr)
FR (1) FR775717A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684051A (en) * 1970-10-08 1972-08-15 Herbert J Hopkins Acoustic duct speaker system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2672525A (en) * 1950-06-16 1954-03-16 Automatic Elect Lab Sound translating device with resonating and damping chamber
US2697761A (en) * 1952-03-18 1954-12-21 Jr Albert G Bodine Acoustic filter for telephone receivers
US3084229A (en) * 1960-03-11 1963-04-02 Ampex Electrostatic earphone
US4799264A (en) * 1987-09-28 1989-01-17 Plummer Jan P Speaker system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684051A (en) * 1970-10-08 1972-08-15 Herbert J Hopkins Acoustic duct speaker system

Also Published As

Publication number Publication date
US2110908A (en) 1938-03-15

Similar Documents

Publication Publication Date Title
FR839636A (fr) Système de transmission
FR775717A (fr) Système vibratoire pour appareils acoustiques
FR817318A (fr) Aimant permanent pour appareils de transformation acoustique
FR791804A (fr) Système d'établissement de connexions pour des appareils électriques
FR784655A (fr) Appareils de support
FR797285A (fr) Perfectionnements aux membranes pour appareils acoustiques
FR45226E (fr) Système de classeur pour disques
FR793849A (fr) Appareil récepteur de sons pour installations téléphoniques
FR791014A (fr) éliminateur de bruissement pour appareils électro-acoustiques
FR828306A (fr) Système de transmission électriques pour bateaux
FR783842A (fr) Dispositif de suspension pour membrane de haut-parleur
FR772851A (fr) Système de bobines
FR791121A (fr) Système de perception anti-parasite pour t. s. f.
FR825219A (fr) Système magnétique pour haut-parleurs
FR788156A (fr) Dispositif de montage pour appareils indicateurs
FR786228A (fr) Système de reproduction sonore
FR782504A (fr) Appareil de réglage pour reproducteurs phonographiques
CH266216A (fr) Dispositif pour la transposition de fréquence.
ES135023A3 (es) Dispositivo por vibración (balourd) progresiva.
FR837919A (fr) Système de transmission
FR813470A (fr) Système de miroirs pour appareils de projection
FR794820A (fr) Système de télémécanique
FR762603A (fr) Système vibrant pour haut-parleurs
FR798758A (fr) Perfectionnement aux appareils de projection pour cinématographie sonore
FR829128A (fr) Récepteur pour appareils d'écoute