390 years ago


In 1634, the Ear Trumpet was invented. These devices worked by collecting sounds and funneling them into the ear

234 years ago


The Ear Trumpet becomes more common, and is seen in every-day-use

224 years ago


The first company to begin commercial production of the ear trumpet was established by Frederick C. Rein in London in 1800

212 years ago


The first bone conduction hearing aid is invented. Sound was conducted by a wooden rod placed against the teeth of the speaker and listener. Vocal vibrations were passed down the rod and picked up by the cochlea of the listener

171 years ago


A London surgeon develops the first implantable artificial eardrum

145 years ago


One of the first patient testing audiometers is developed by David Hughes

139 years ago


Alternative conversational tools are developed with the Duplex Conversational Tube being a popular product. The device allows the hearing impaired listener to hear their partner, as well as their own voice

132 years ago


The first electrical hearing aid is developed. The Akouphone was the first device to utilise electricity to convert a weak signal into a stronger signal

120 years ago


Oticon is established in Denmark as a hearing aid distributor by Hans Demant

114 years ago


Siemens begin manufacturing hearing aids

112 years ago


The first volume control is introduced into an electrical hearing aid

104 years ago


The first hearing aid to use vacuum tubes is invented. The Vactuphone was battery-powered and employed a single triode. A large hearing aid, this device was bigger than a box camera, therefore not particularly portable

101 years ago


The first electrical bone conductor is invented and quickly implemented into audiometers for better diagnostic testing

98 years ago


Halsey A. Frederick receives the first US patent for custom made earpieces

94 years ago


An early, pre-war, crystal microphone hearing aid

92 years ago


The first wearable bone conduction hearing aid is introduced by Sonotone

90 years ago


Vacuum tubes are successfully miniaturised allowing for smaller wearable vacuum tube hearing aids

86 years ago


Telex release a small werable vacuum tube hearing aid

80 years ago


Ardente bone conduction body worn hearing aid is invented

78 years ago


Samuel Ruben developed a balanced mercury cell which was useful for military applications, such as metal detectors, munitions and walkie-talkies. After the WWII, the battery system was adopted to small electronic devices, such as hearing aids

77 years ago


Beltone announce the launch of the “audio-selectometer” - the first electronic master hearing aid for hearing aid programming

74 years ago


The revolutionary transistor technology is employed by hearing aid manufacturers. Transistor devices have lesser voltage requirements, and are much smaller than vacuum tubes. This allows for significant miniaturisation of hearing devices. This technology paves the way for behind-the-ear and spectacle worn devices

70 years ago


The first commercial spectacle hearing aids are launched

69 years ago


The first so-called "in-the-ear" hearing aid, the D-10 Magic Ear is released – it concealed all electronic components in a shell snapped onto an earmould

63 years ago


Amplivox Secret BTE hearing aid is launched

55 years ago


The first hearing aid to utilise directional microphones is introduced

54 years ago


Qualitone release their new Spectacle Hearing Aids

49 years ago


Invention of the Phonic Ear HC527 Rechargeable Body Aid

47 years ago


The Zinc-Air battery is invented. This battery is smaller and has a greater capacity than mercury batteries. This allows for further miniaturisation of hearing aids and allows for manufacturing of ITE hearing aids

46 years ago


Launch of the Super Front, Phonak's first superpower BTE hearing aid

42 years ago


Widex Audilens ITE modular aid, originally designed for German market, is released

42 years ago


American Resound company produced the first pre-digital remote control for their BTE and ITE instruments

40 years ago


Craigwell released the first fully automatic twin-channel BTE hearing aid

38 years ago


Phonak launch a remote control for the 1st twin microphone BTE/ITE hearing aids

37 years ago


The first models of digitally programmable hearing devices are introduced by Bernafon/Maico (1987) and Widex (1988). Using conventional analogue circuitry, they can be programmed electronically from a specially designed computer and software. The Widex Quattro system features a user-operated remote control which can also be used to program the instrument

36 years ago


The launch of Solar Ear's first solar-powered rechargeable pack, with conductive charging or cells within the hearing aids

34 years ago


GN Resound manufactures a dynamic range, multi-band, compression system. This allows for separation and different amplification for soft and loud sound inputs

33 years ago


Oticon release the first fully automated hearing aid. The “Multifocus” had no volume control or program button, and was the first hearing aid that required no input from the wearer

32 years ago


Danavox release the first hearing aid to use digital feedback suppression

31 years ago


Phonak PICS - first twin microphone hearing aid

30 years ago


The first programmable CIC with volume control and program button is released by Maico Electronics

28 years ago


Widex Senso is the first fully programmable digital hearing aid to be successfully commercialised

28 years ago


Widex Senso Programming Unit is launched for the first digital signal processing hearing aids

27 years ago


Siemens release the first digital hearing aid to utilise dual-microphone technology

26 years ago


The first Phonak digital BTE, the Claro emerged on to the market, with a remote control

26 years ago


Hansaton produced a built-in rechargeable cell hearing system for both BTE and ITE hearing aids, using induction charging

24 years ago


Sonic Innovations were among the first to manufacture standard CIC digital instruments

23 years ago


Oticon develop an innovative speech focused algorithm called “Voice-Finder”. This processing allows full prescription amplification when speech is present, but reduced comfortable volume when speech is absent. The Oticon Adapto was the first to utilise this technology

21 years ago


The first RIC/RITE is invented

19 years ago


90% of hearing aids provided in the UK are now digital

18 years ago


Oticon launch their first RIC hearing aid the Delta

13 years ago


Siemens launch the Aquaris, the first waterproof hearing aid

10 years ago


GN Resound launches the Linx “the world’s smartest hearing aid” which enables users to control and stream media to their hearing aids from their smartphone.

8 years ago


Oticon presents the OPN, the world’s first hearing aid to communicate with the internet