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HISTORY OF AUDIOMETRY | JAMA Otolaryngology–Head & Neck ...
https://jamanetwork.com/journals/jamaotolaryngology/fullarticle/562509
Later, with the advent of simple electric circuits, came the use of the buzzer type of audiometer, in which the bell announcer circuit with electromagnet and interrupting armature was used. 1 The electric interruptions were sent out to a telephone receiver, and the attenuation was produced either by a resistance in the telephone line or by ...
Hearing Testing History: Western Electric 2-A Audiometer ...
https://hearinghealthmatters.org/waynesworld/2015/hearing-testing-history-western-electric-2-a-audiometer/
From the Western Electric 1-A to the Western Electric 2-A Audiometer. In 1914, Western Electric patented the electric audiometer, and produced the first commercially available electronic audiometer for the measurement of the sensitivity of hearing, the Western Electric 1A (Figure 1). This instrument allowed frequency testing using a specially designed earphone.
From the Audimeter to the Audiometer | Canadian …
https://canadianaudiologist.ca/from-the-audimeter-to-the-audiometer/
Audiometers—A Closer Look | Biomedical …
https://meridian.allenpress.com/bit/article/44/3/216/141521/Audiometers-A-Closer-Look
The 20th century history of audiometers is even fuzzier. Different sources credit Dr. Harvey Fletcher in 1922, Ralph Allison in 1935, and Leland Watson in 1937 of developing the modern-day instrument and coining the term “audiometer.” What is sure is that Watson founded Maico Diagnostics in 1937.
[The history of audiology]
https://pubmed.ncbi.nlm.nih.gov/16107012/
Fowler, Weigel and Fletcher promoted an audiogram in 1922. Wever and Bray first introduced the cochlear microphonic potentials. The first modern audiometer with a flat zero line for all pitches was constructed in 1937. In 1947, Bekesy constructed the automatic audiometer, and the theory of mobile waves was introduced in 1928.
The Clinical Audiogram
http://www.hunter.cuny.edu/comsc/faculty/donald-vogel/repository/files/History%20of%20Audiogram.pdf
The History of the Audiogram. Since the invention of the audiometer over 100 years ago, the audiogram has become the graphic and/ or numerical record of hearing sensitivity for the oto-logic and audiologic specialties in health care. The au …
History | Grason-Stadler
https://www.grason-stadler.com/about/timeline-history
In the early days, the products were instruments for behavioral research. These instruments were used by university psychology departments, the pharmaceutical industry for drug research, and by NASA Project Mercury for training Ham and Able, the first space chimps. Since the release of its first commercially available audiometer in 1952, GSI has been manufacturing electronic …
Audiometry and Audiometric Testing Equipment | MAICO ...
https://www.maico-diagnostics.com/products/audiometers
What Is an Audiometer? An audiometer is a subjective device that is used to evaluate the hearing threshold of a person. An audiologist or other trained personnel uses an audiometer together with special audiometric testing techniques to determine the hearing threshold and to identify as well as quantify the degree of hearing loss of a person. From these results the appropriate referral …
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