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  2. Parking sensor - Wikipedia

    en.wikipedia.org/wiki/Parking_sensor

    The electromagnetic parking sensor (EPS) was re-invented and patented in 1992 by Mauro Del Signore. [2] Electromagnetic sensors rely on the vehicle moving slowly and smoothly towards the object to be avoided. Once an obstacle is detected, the sensor continues to signal the presence of the obstacle even if the vehicle momentarily stops.

  3. Ultrasonic transducer - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_transducer

    A curvilinear array ultrasonic transducer for use in medical ultrasonography Inside construction of a Philips C5-2 128 element curved array ultrasound sensor. Ultrasonic transducers and ultrasonic sensors are devices that generate or sense ultrasound energy. They can be divided into three broad categories: transmitters, receivers and transceivers.

  4. Rear Occupant Alert - Wikipedia

    en.wikipedia.org/wiki/Rear_Occupant_Alert

    An enhanced system, called Ultrasonic Rear Occupant Alert, also uses ultrasonic sensors. [2] If the vehicle is locked and the ultrasonic sensors on the headlining detect movement in the rear seats, the system will flash the hazards lights and sound the horn for 25 seconds, and again if the system continue to detect movement, for up to eight ...

  5. Ultrasound - Wikipedia

    en.wikipedia.org/wiki/Ultrasound

    An ultrasonic level or sensing system requires no contact with the target. For many processes in the medical, pharmaceutical, military and general industries this is an advantage over inline sensors that may contaminate the liquids inside a vessel or tube or that may be clogged by the product. Both continuous wave and pulsed systems are used.

  6. Vehicle audio - Wikipedia

    en.wikipedia.org/wiki/Vehicle_audio

    In 1933, Crossley Motors offered a factory fitted car radio for £35. [8] By the late 1930s, push button AM radios were considered a standard feature. In 1946, there were an estimated 9 million AM car radios in use. [9] An FM receiver was offered by Blaupunkt in 1952. In 1953, Becker introduced the AM/FM Becker Mexico with a Variometer tuner ...

  7. List of sensors - Wikipedia

    en.wikipedia.org/wiki/List_of_sensors

    Attitude control (spacecraft): Horizon sensor, Earth sensor, Moon sensor, Satellite Sensor, Sun sensor; Catadioptric sensor; Chemoreceptor; Compressive sensing; Cryogenic particle detectors; Dew warning; Diffusion tensor imaging; Digital holography; Electronic tongue; Fine Guidance Sensor; Flat panel detector; Functional magnetic resonance ...

  8. Tesla Autopilot hardware - Wikipedia

    en.wikipedia.org/wiki/Tesla_Autopilot_hardware

    Starting in 2021, Tesla stopped installing the radar sensor in new vehicles, and the ADAS was updated to drop radar support. In 2022, Tesla announced it also would drop support for the ultrasonic sensors, moving the ADAS to an all-visual system. The most recent sensor and computer implementation is Hardware 4, which began shipping in January 2023.

  9. Ultrasonic testing - Wikipedia

    en.wikipedia.org/wiki/Ultrasonic_testing

    James F. McNulty (U.S. radio engineer) of Automation Industries, Inc., then, in El Segundo, California, an early improver of the many foibles and limits of this and other nondestructive testing methods, teaches in further detail on ultrasonic testing in his U.S. Patent 3,260,105 (application filed December 21, 1962, granted July 12, 1966 ...

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