Bazsites.com Piezo Transducers

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Myntahl Corp. - Manufacturer of buzzer, alarm, piezo alarm, electronic buzzers, alarm annunciator, siren, magnetic alarm transducers and external-driven piezo.
Britek SA, Inc. - A line of ultrasonic transducers specialize in thickness gauge, flaw detection, nuclear transducers, and custom built transducers.
Shianlin Electronic Co., Ltd. - Manufacturer of piezo transducers, chips and powder. From Tiawain.
Unique Sound Co., Ltd. - Specialist manufacturer of SMD audio transducers.
Eleceram Technology Co. Ltd. - Manufacturer of piezoelectric ceramics, piezoelectric transformers and ultrasonic transducers. Includes product data sheets and company news.
Ormal Electronics Limited - Offers piezoelectric cable sensors for impact sensing, acoustic transducers and perimeter security.
SPL Ltd. - Manufacturer of buzzers, transducers, speakers, receivers, microphones, ultrasonic sensors, connectors, cable assemblies, wire harness. Factories are located in China.
Union Enterprise Co - Piezo buzzer and element for all kinds of alarm, home appliances and security system.
Massa - Designer and manufacturer of electroacoustic products including sensors, transducers, and ultrasonics.
Lubell Labs Inc. - Manufacturer of underwater loudspeakers, underwater speakers, and piezoelectric underwater audio transducers.

Self-focusing transducers - Acoustic waves emitted by ultrasonics transducer crystals exhibit a property known as self-focusing (or natural focusing). Note that this is distinct from the electronically controlled focusing employed in diagnostic ultrasound devices which employ arrays of transducers.
Piezo ignition - Piezo ignition is a type of ignition that is used in portable camping stoves, gas grills and some lighters. It consists of a small, spring-loaded hammer which, when a button is pressed, hits a crystal of PZT or quartz crystal.
Piezo - "Piezo", derived from the Greek piezein, which means to squeeze or press, is a prefix used in:
Electric acoustic guitar - An electric acoustic guitar is by design an acoustic guitar fitted with pickups, a microphone, or transducers. In Electric-Acoustic Classical Guitars, the transducers and microphones are always used because conventional pickups are not capable of picking up vibrations of materials other than metal.
Differential linearity - In measurement systems differential linearity refers to a constant relation between the change in the output and input. For transducers if a change in the input produces a uniform step change in the output the tranducer possess differential linearity.