A new ultrasonic fingerprint sensor measures 3-D image of your finger's surface and the tissue beneath it -- enhancing biometrics and information security for smartphones and other devices.

Over the years, Apple has made its mobile devices more water resistant, to the level that an Apple Watch ... Apple proposes the use of an "Ultrasonic Polarizer" to act as a touch-sensing system ...

The CLD series features a unique pulsed ultrasonic ... contact between the sensor and the fluid, eliminates all media compatibility and sterility issues. The CLD series provides an analog output ...

Another advantage is the absence of many movable parts with the float being the only moving component. Figure 8 shows an ultrasonic level sensor. Figure 8. Ultrasonic level transmitters use the speed ...

The typical reason for using ultrasonic switches as opposed to simpler technology is to get a complete solid-state sensor with no moving ... more than several other level switching methods.

Ultrasonic double-sheet detectors distinguish between single and double sheets of paper, plastic, or metal foils to prevent waste or machine damage. The sensor operates by beaming ultrasonic sound ...

[Klaus] wanted some sort of aid for parking his car, and after running across a $4 ultrasonic sensor, decided to build his own speaking distance sensor (.de, Google Translation). Inside [Klaus ...

OMEGA’s new series of CE compliant ultrasonic leak detector features an ultrasonic sound range of 20 to 100 kHz. OMEGA’s new series of CE compliant ultrasonic leak detector features an ultrasonic ...