GB787035A - Improvements in hearing aids - Google Patents

Improvements in hearing aids

Info

Publication number
GB787035A
GB787035A GB11453/55A GB1145355A GB787035A GB 787035 A GB787035 A GB 787035A GB 11453/55 A GB11453/55 A GB 11453/55A GB 1145355 A GB1145355 A GB 1145355A GB 787035 A GB787035 A GB 787035A
Authority
GB
United Kingdom
Prior art keywords
ear
earphone
april
amplifier
tip
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
GB11453/55A
Inventor
Francis Rock Carling
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.)
FORTIPHONE Ltd
Original Assignee
FORTIPHONE Ltd
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 FORTIPHONE Ltd filed Critical FORTIPHONE Ltd
Priority to GB11453/55A priority Critical patent/GB787035A/en
Publication of GB787035A publication Critical patent/GB787035A/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
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • 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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Abstract

787,035. Hearing aids. FORTIPHONE, Ltd. April 16, 1956 [April 20, 1955], No. 11453/55. Class 40 (4). A unitary construction hearing aid comprises a member for transmitting sound from an earphone to the ear of the user, said member having a lip sealing the ear canal from external sounds and also having a switch controlling the electrical system. The aid is designed for occasional use. The casing is made in two parts 11, 12, separated by a rubber sheet 17. The main body encloses a microphone 15, dry cell 13, amplifier 14, and earphone 16. An acoustic member 23, when not in use, lies in a recess and is retained by a spring detent 25. When the detent is depressed the member 23 swings about a pivot under spring action to form an acoustic path from the earphone 16 to a vertical passage 28. When the tip 32 of the member 23 is then pressed into the ear a sprung tube 31 is slid longitudinally to complete the acoustic path from the passage 28 to the ear. At the same time the end of the tube 31 engages an electrical contact 52 to complete a circuit to the amplifier. The tip 32 is made of rubber and is washable.
GB11453/55A 1955-04-20 1955-04-20 Improvements in hearing aids Expired GB787035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB11453/55A GB787035A (en) 1955-04-20 1955-04-20 Improvements in hearing aids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11453/55A GB787035A (en) 1955-04-20 1955-04-20 Improvements in hearing aids

Publications (1)

Publication Number Publication Date
GB787035A true GB787035A (en) 1957-11-27

Family

ID=9986536

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11453/55A Expired GB787035A (en) 1955-04-20 1955-04-20 Improvements in hearing aids

Country Status (1)

Country Link
GB (1) GB787035A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115767B (en) * 1957-05-16 1961-10-26 Phonak Ges Sapper & Co Deutsch Ear insert for hearing aid
US3983336A (en) * 1974-10-15 1976-09-28 Hooshang Malek Directional self containing ear mounted hearing aid

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1115767B (en) * 1957-05-16 1961-10-26 Phonak Ges Sapper & Co Deutsch Ear insert for hearing aid
US3983336A (en) * 1974-10-15 1976-09-28 Hooshang Malek Directional self containing ear mounted hearing aid

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