Alps Alpine had six patents in advanced materials during Q1 2024. Alps Alpine Co Ltd filed a patent for a proximity detection device with a detection distance capable of detecting objects separated from an operation surface. The device includes a proximity detection unit with a piezoelectric body and electrodes, a signal applying unit for capacitance detection and ultrasonic transmission/reception, and a charge measurement unit to measure electric charge. GlobalData’s report on Alps Alpine gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Alps Alpine grant share with advanced materials as a theme is 16% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Proximity detection device (Patent ID: US20240028165A1)
The patent filed by Alps Alpine Co Ltd. describes a proximity detection device that utilizes a piezoelectric body and electrodes to detect the proximity of an object. The device includes a signal applying unit that enables capacitance detection and ultrasonic transmission/reception by applying signals of different frequencies to the electrodes. Additionally, a charge measurement unit is used to measure electric charge, allowing for accurate detection of the object's distance from the device.
The device's functionality is further enhanced by a calculation unit that can determine the distance between the object and the proximity detection unit based on the results of capacitance detection and/or ultrasonic detection. The device can switch between different frequency signals for different detection methods, allowing for precise distance calculations. Furthermore, the device can be configured with multiple electrodes and piezoelectric bodies to improve detection accuracy and can even detect a two-dimensional profile or three-dimensional image of the object. Overall, the patent outlines a sophisticated proximity detection device that combines various detection methods to accurately determine an object's distance from the device.
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