FR754838A - Device to help, or improve, hearing - Google Patents

Device to help, or improve, hearing

Info

Publication number
FR754838A
FR754838A FR754838DA FR754838A FR 754838 A FR754838 A FR 754838A FR 754838D A FR754838D A FR 754838DA FR 754838 A FR754838 A FR 754838A
Authority
FR
France
Prior art keywords
hearing
help
improve
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
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.)
Sonotone Corp
Original Assignee
Sonotone Corp
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 Sonotone Corp filed Critical Sonotone Corp
Application granted granted Critical
Publication of FR754838A publication Critical patent/FR754838A/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
    • 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)
  • Percussion Or Vibration Massage (AREA)
FR754838D 1932-06-01 1933-04-27 Device to help, or improve, hearing Expired FR754838A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US614674A US1940553A (en) 1932-06-01 1932-06-01 Hearing-aid device

Publications (1)

Publication Number Publication Date
FR754838A true FR754838A (en) 1933-11-14

Family

ID=24462267

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754838D Expired FR754838A (en) 1932-06-01 1933-04-27 Device to help, or improve, hearing

Country Status (4)

Country Link
US (1) US1940553A (en)
FR (1) FR754838A (en)
GB (1) GB405493A (en)
NL (1) NL39329C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979691A (en) * 1943-03-25 1961-04-11 Joseph F Keithley Microphone for the measurement of transient pressures in a body of water
US2459325A (en) * 1944-10-27 1949-01-18 Zenith Radio Corp Bone conduction unit
US2479308A (en) * 1945-03-17 1949-08-16 Armour Res Found Magnetic recorder head
DE1061371B (en) * 1955-05-28 1959-07-16 Wendton Werner Wendt K G Hard-of-hearing device in the shape of glasses
US2806246A (en) * 1956-03-02 1957-09-17 Reflectone Corp Food tenderizer
US9456282B2 (en) * 2014-07-15 2016-09-27 Larry Tang Bone-conduction speaker
US9924265B2 (en) * 2015-09-15 2018-03-20 Intel Corporation System for voice capture via nasal vibration sensing
US10324494B2 (en) 2015-11-25 2019-06-18 Intel Corporation Apparatus for detecting electromagnetic field change in response to gesture
US10104482B2 (en) * 2016-05-27 2018-10-16 Cochlear Limited Magnet positioning in an external device
US10298282B2 (en) 2016-06-16 2019-05-21 Intel Corporation Multi-modal sensing wearable device for physiological context measurement
US10241583B2 (en) 2016-08-30 2019-03-26 Intel Corporation User command determination based on a vibration pattern

Also Published As

Publication number Publication date
US1940553A (en) 1933-12-19
GB405493A (en) 1934-02-08
NL39329C (en) 1936-11-16

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