FR934929A - Perfectionnements aux récepteurs à conduction osseuse - Google Patents

Perfectionnements aux récepteurs à conduction osseuse

Info

Publication number
FR934929A
FR934929A FR934929DA FR934929A FR 934929 A FR934929 A FR 934929A FR 934929D A FR934929D A FR 934929DA FR 934929 A FR934929 A FR 934929A
Authority
FR
France
Prior art keywords
enhancements
bone conduction
receptor
conduction receptor
bone
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.)
MAICO Co
Original Assignee
MAICO Co
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 MAICO Co filed Critical MAICO Co
Application granted granted Critical
Publication of FR934929A publication Critical patent/FR934929A/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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR934929D 1946-05-27 1946-10-17 Perfectionnements aux récepteurs à conduction osseuse Expired FR934929A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US672672A US2454494A (en) 1946-05-27 1946-05-27 Bone conduction receiver

Publications (1)

Publication Number Publication Date
FR934929A true FR934929A (fr) 1948-06-04

Family

ID=24699522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR934929D Expired FR934929A (fr) 1946-05-27 1946-10-17 Perfectionnements aux récepteurs à conduction osseuse

Country Status (2)

Country Link
US (1) US2454494A (fr)
FR (1) FR934929A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581806A (en) * 1948-03-05 1952-01-08 Robert C Mcshirley Power supply means for percussor apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB347642A (en) * 1930-01-29 1931-04-29 Waldemar Lazare Colassi Improvements in, or relating to, electrical sound reproducing apparatus
USRE22499E (en) * 1932-12-24 1944-06-20 Bone conduction heabing-aid
USRE23125E (en) * 1941-12-31 1949-06-21 Bone conduction hearing aid

Also Published As

Publication number Publication date
US2454494A (en) 1948-11-23

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