Acoustic Sensors Market Major Advancements in the Sensor Technologies; Global Industry Analysis 2024
An
acoustic sensor is a device that can monitor physical, biological, and
chemical stimulus by producing as electrical signal through input
stimulus. Furthermore, nearly all acoustic devices and sensors use a
piezoelectric material to generate acoustic wave. The input stimulus can
vary and could be physical such as a pressure and temperature. In
chemical monitoring, percentage particulate gas concentration and
addition of chemical agent are monitored through the use of acoustic
sensors. Biological monitoring process includes, volume or concentration
of bacteria, biological agent, and the concentration of antibodies.
Electrical monitoring includes, strength of electric or magnetic field,
conductivity, and resistivity.
Acoustic
sensors are widely used in smart phones and base stations in the
telecommunication industry. Under the acoustic sensor process, the
acoustic wave travels through the surface of the material used. Thus,
any change in propagation path would affect the velocity and amplitude
of the acoustic wave. Velocity change can be monitored by checking the
frequency and phase properties of the sensor used. Thus, it can be
matched with the physical quantity being measured.
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The
acoustic sensors market can be segmented based on sensing parameters,
type, and end-use industry. In terms of sensing parameters, the acoustic
sensors market can be divided into - temperature, pressure, weight,
humidity, viscosity, and torque. In terms of type, the acoustic sensors
market can be segmented into - surface wave sensors (SWS) and bulk wave
sensors (BWS). Based on end-users industry, the acoustic sensors market
can be classified into– aerospace, consumer electronics, defense,
automotive, healthcare, and industrial. Surface wave sensors are small
electro-mechanical devices. These devices usually depends upon
intonation of waves in order to sense any chemical, physical or
biological phenomenon. The sensor converts an input signal into a
mechanical wave which can be easily influenced by the physical
phenomena. Bulk wave sensors (BWS) are used for bio-sensing applications
and electrical change property in a solutions.
Surface
acoustic wave (SAW) is used to create different varieties of sensors,
which include chemical, strain, pressure, and temperature. These sensors
can be configured accordingly and can be useful in aircraft/aerospace
applications. The National Aeronautics and Space Administration (NASA)
has been conducting several tests in wind tunnels, ground, and aircraft
during take-off and in space. Several tests benefit from the reduction
or removal of wires through the use of, SAW devices, which are treated
as passive wireless sensors. Furthermore, SAW strain sensors are used
for structural health monitoring and other aerospace applications. In
aerospace, acoustic sensors are used to test vibration, resonance,
aircraft structural properties, and frequency of operation, etc.
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Acoustic
sensors are used in the form of wearable sensors in the health care
industry. These are used to track body movements, health, safety,
treatment efficacy, home rehabilitation and early detection of
disorders. Wearable sensors are used in diagnostic; as well as
monitoring applications. These sensors provides accurate results and
help to monitor as per the users concern. Acoustic sensors are used in
portable devices such as laptops, smartphones, and other peripherals in
the electronic industry. Smartphone sensors are employed in various
applications in order to provide touch-free analysis of the user’s heart
rate by analyzing the skin tone. Each heartbeat flushes blood, which
rushes to the face. The light reflected from the skin tone is analyzed
and measured by smartphone sensors. Thus, acoustic sensors are used in
the consumer electronics industry as these provide information related
to image sensors, temperature, pressure, proximity, motion, acoustic,
and touch.
Manufacturers
and suppliers operating in the acoustic sensors include Honeywell
International, Kyocera, Panasonic Corp., Halliburton, Schlumberger, CTS
Corporation, and Boston Piezo-Optics Inc.
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