[go: up one dir, main page]

DE329372C - Hoerapparat fuer Schwerhoerige - Google Patents

Hoerapparat fuer Schwerhoerige

Info

Publication number
DE329372C
DE329372C DE1918329372D DE329372DA DE329372C DE 329372 C DE329372 C DE 329372C DE 1918329372 D DE1918329372 D DE 1918329372D DE 329372D A DE329372D A DE 329372DA DE 329372 C DE329372 C DE 329372C
Authority
DE
Germany
Prior art keywords
microphone
hearing
battery
hard
telephone
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
DE1918329372D
Other languages
German (de)
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.)
JURJEN SJOERD HOOGHIEMSTRA
Original Assignee
JURJEN SJOERD HOOGHIEMSTRA
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 JURJEN SJOERD HOOGHIEMSTRA filed Critical JURJEN SJOERD HOOGHIEMSTRA
Application granted granted Critical
Publication of DE329372C publication Critical patent/DE329372C/de
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
    • H04R25/04—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception comprising pocket amplifiers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Telephone Set Structure (AREA)
DE1918329372D 1917-12-28 1918-12-28 Hoerapparat fuer Schwerhoerige Expired DE329372C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9213A NL4289C (xx) 1917-12-28 1917-12-28

Publications (1)

Publication Number Publication Date
DE329372C true DE329372C (de) 1920-11-20

Family

ID=38110025

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1918329372D Expired DE329372C (de) 1917-12-28 1918-12-28 Hoerapparat fuer Schwerhoerige

Country Status (4)

Country Link
US (1) US1318874A (xx)
DE (1) DE329372C (xx)
GB (1) GB139043A (xx)
NL (1) NL4289C (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733302A (en) * 1956-01-31 Microphone mounting for hearing aids
US2506981A (en) * 1946-10-25 1950-05-09 Lawrence G Weaver Air conduction hearing aid having adjacently mounted microphone and receiver
US2616985A (en) * 1950-09-28 1952-11-04 Maurice W Levy Hearing aid device
US2673898A (en) * 1951-06-01 1954-03-30 Sonotone Corp Wearable hearing aid having external microphone with penetrating pin connector structure
US2775652A (en) * 1953-07-20 1956-12-25 Stutz Rolf Hearing aid casing

Also Published As

Publication number Publication date
US1318874A (en) 1919-10-14
GB139043A (en) 1920-02-26
NL4289C (xx) 1919-12-01

Similar Documents

Publication Publication Date Title
DE329372C (de) Hoerapparat fuer Schwerhoerige
DE2548707A1 (de) Geraet zum vertreiben von stechmuecken
DE1115767B (de) Ohreinsatzstueck fuer Hoergeraet
DE476991C (de) Schallfaenger
AT117375B (de) Mikrotelephon.
DE554024C (de) Kindersaugflasche
DE837075C (de) Uhrgehaeuse
DE7140901U (de) Am koerper zu tragendes mikrophon
DE1078175B (de) Hinter der Ohrmuschel zu tragendes Hoergeraet fuer Schwerhoerige
AT136837B (de) Fernsprech-Handapparat mit Nummernschalter.
AT133420B (de) Aufstellbarer Selbstanschluß-Fernsprechhandapparat.
DE910063C (de) Vorrichtung an der Einsprache von Fernsprechapparaten zur Verhinderung des Mithoerens
DE286465C (xx)
DE125804C (xx)
AT60406B (de) Vorrichtung zum Desinfizieren der Sprechtrichter von Mikrotelephonen.
DE247610C (xx)
DE375169C (de) Telephonhilfshoerer mit Einrichtung zum Anschluss eines Nippels bzw. Schlauches, um das zweite Ohr beim Abhoeren zu beteiligen
DE630292C (de) Vorrichtung zum Befestigen von mit einer Anstecknadel versehenen Abzeichen
DE838927C (de) Elektronenroehre mit zusaetzlicher Metallumhuellung
DE612888C (de) Einrichtung an Gasschutzmasken mit Ausatemventil zur Erleichterung des Fernsprechens
DE548339C (de) Schablonenhalter fuer Spritzapparate
DE968172C (de) Brennstoffeinspritzventil
DE1860477U (de) Gasschutzmaske mit sprecheinrichtung.
DE1191422B (de) Schulterhalterung fuer aus Hoermuschel, Sprechmikrofon und einem diese verbindenden Handgriff bestehende Telefonhandapparate
DE362450C (de) Mikrophon mit Einrichtung zum unmittelbaren Abnehmen der Schallschwingungen von einer Stelle des menschlichen Koerpers