Alps Alpine had 23 patents in future of work during Q2 2024. Alps Alpine Co Ltd filed patents for a sensor interface circuit with frequency synchronization, a power supply circuit protection device adjusting duty cycle based on input voltage, a controller for speaker model parameters and sound flattening, and a dynamic microphone system for enhancing passenger experience in autonomous vehicles using AI-generated filters for voice commands. 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 had no grants in future of work as a theme in Q2 2024.
Recent Patents
Application: Sensor interface circuit and sensor module (Patent ID: US20240195422A1)
The patent filed by Alps Alpine Co Ltd describes a sensor interface circuit that includes a frequency synchronization circuit connected to a sensor. This circuit comprises various components such as a reference voltage source, current source, voltage difference detection circuit, voltage-controlled oscillation circuit, and frequency/impedance conversion circuit. The frequency synchronization circuit is designed to generate an oscillation signal based on the control voltage derived from the difference between voltages received at specific input nodes, ultimately converting the frequency of a signal into impedance.
The sensor interface circuit further includes features such as an amplification circuit to amplify the difference between the reference voltage and the sensor's detection value, a frequency division circuit for performing frequency division on the oscillation signal, and a frequency/impedance conversion circuit equipped with a switched capacitor circuit. Additionally, the patent outlines the configuration of the current source, differential amplification circuit, and various capacitive and resistive elements within the circuit. Furthermore, the patent extends to a sensor module comprising an antenna, impedance conversion circuit, sensor, and the sensor interface circuit described in the claims, emphasizing the practical application and integration of this technology in sensor modules.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
