Wireless communication device

EP4758812A1Pending Publication Date: 2026-06-17FUJIKURA LTD +1
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Patent Information

Authority / Receiving Office
EP · EP
Patent Type
Applications
Current Assignee / Owner
FUJIKURA LTD
Filing Date
2023-08-09
Publication Date
2026-06-17

AI Technical Summary

Technical Problem

Existing wireless communication devices lack effective timing control between high-speed and low-speed clocks, which is crucial for smooth signal exchange between circuits operating with different clock frequencies.

Method used

A wireless communication device is designed with a sensor control unit that operates in synchronization with a first clock and generates a second clock using a counter. The second clock rises and falls at specific edges of the first clock, allowing for precise timing control and signal exchange with a sensor unit operating at the second clock frequency.

Benefits of technology

This solution enables smooth signal exchange between circuits operating with different clock frequencies, ensuring efficient communication and data transfer in wireless communication devices.

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Abstract

A wireless communication device includes a sensor control unit and a sensor unit. The sensor control unit operates in synchronization with a first clock. The sensor unit operates in synchronization with a second clock. The sensor control unit includes a counter. The counter counts rising edges of the first clock from 0 to 2M−1 (M is a natural number). The second clock rises at a rising edge of the first clock when a count value of the counter is 0 and falls at a rising edge of the first clock when the count value of the counter is M. The sensor control unit transmits a control signal to the sensor unit at a rising edge of the first clock when the count value of the counter is M.
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