GB444175A - Improvements in bone-conduction hearing-aids - Google Patents

Improvements in bone-conduction hearing-aids

Info

Publication number
GB444175A
GB444175A GB23374/34A GB2337434A GB444175A GB 444175 A GB444175 A GB 444175A GB 23374/34 A GB23374/34 A GB 23374/34A GB 2337434 A GB2337434 A GB 2337434A GB 444175 A GB444175 A GB 444175A
Authority
GB
United Kingdom
Prior art keywords
bone
bone structure
magnetic
gaps
centre
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
GB23374/34A
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
Publication of GB444175A publication Critical patent/GB444175A/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
    • H04R11/02—Loudspeakers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06114—Packages or dispensers for needles or sutures
    • A61B17/06119—Packages or dispensers for needles or sutures of cylindrical shape
    • A61B17/06123—Flat cylinders, e.g. including an inner reel
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06114—Packages or dispensers for needles or sutures
    • A61B17/06133—Packages or dispensers for needles or sutures of parallelepipedal shape, e.g. made of rectangular or slightly oval panels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/13—Hearing devices using bone conduction transducers

Abstract

444,175. Instruments for deaf persons. SONOTONE CORPORATION, 19, West 44th Street, New York, U.S.A. Aug. 13, 1934, No. 23374. Convention date, Aug. 11, 1933. [Class 40 (iv)] In a bone-audition hearing-instrument comprising two magnetic structures separated by a gap and set in relative vibration by audio frequency currents in suitable windings, one magnetic structure supported against a hearing inducing bone is a resilient member connected at its ends to the other magnetic structure, which is relatively of substantial mass, thereby supporting it in a floating vibrating condition. The resilient member is connected at its centre to a casing one portion of which is shaped to fit the bone structure of the user. The instrument comprises a member 7 adapted to be held against the bone structure of the user and carrying the electromagnetic unit which is enclosed by a cover 8, the instrument being carried by a head strap 16 connected to a U-member 13 pivoted to the sides of the cover. A resilient magnetic strip 26 is secured by screws 60 at its centre wider portion 51 to a metal plate 56 moulded into the member 7, and at its narrower ends supports a magnet structure comprising a plate 27 and polepieces 28 secured together by members 34 screwed to the strip 26. After the magnet structures have been assembled the pole faces are ground level with the corresponding faces of the members 34, the gaps being subsequently adjusted by screws 37. The gaps are preferably about ¢ inch long but gaps up to 3 inches in length may be used. The ends of the windings 41 are connected to lugs 46 riveted to sockets 47 in the member 7 which receive pins 6 terminating the microphone and amplifier circuit. In a modification, a single winding has a core screwed into the centre of plate 27 for gap adjustment. The surface of the member 7 is shaped to fit the bone structure of an individual user, or members 7 may be shaped for different types of bone structure and the most suitable selected for the individual concerned. Alternately, as shown in Fig. 15, the surface is of a shape generally conforming to the bone structure and has a number of projecting portions 162 which intimately engage the bone structure.
GB23374/34A 1933-08-11 1934-08-13 Improvements in bone-conduction hearing-aids Expired GB444175A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US444175XA 1933-08-11 1933-08-11

Publications (1)

Publication Number Publication Date
GB444175A true GB444175A (en) 1936-03-13

Family

ID=21932277

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23374/34A Expired GB444175A (en) 1933-08-11 1934-08-13 Improvements in bone-conduction hearing-aids

Country Status (2)

Country Link
FR (1) FR778062A (en)
GB (1) GB444175A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2403272A1 (en) 2010-06-29 2012-01-04 Oticon Medical A/S Vibrator with adjustment system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2403272A1 (en) 2010-06-29 2012-01-04 Oticon Medical A/S Vibrator with adjustment system
EP2403271A1 (en) 2010-06-29 2012-01-04 Oticon Medical A/S Vibrator with adjustment system
US8837761B2 (en) 2010-06-29 2014-09-16 Oticon Medical A/S Vibrator with adjustment system

Also Published As

Publication number Publication date
FR778062A (en) 1935-03-08

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