Rohde & Schwarz has filed a patent for a measurement application device calibration unit, system, and method. The invention involves a coupling element with connections to calibrate signals in a measurement path. The system includes a signal processing device for calibration signal generation. GlobalData’s report on Rohde & Schwarz gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Rohde & Schwarz, Wireless network optimization was a key innovation area identified from patents. Rohde & Schwarz's grant share as of January 2024 was 52%. Grant share is based on the ratio of number of grants to total number of patents.

Measurement application device calibration unit with coupling element and signal processing

Source: United States Patent and Trademark Office (USPTO). Credit: Rohde & Schwarz GmbH & Co KG

A measurement application device calibration unit has been patented, comprising a coupling element with connections to couple signals in and out of a signal measurement path. The unit includes a signal processing device to receive and generate predetermined calibration signals for calibration purposes. This device is designed to work with a measurement system that includes multiple measurement application devices, signal measurement paths, and calibration units to calibrate the signal paths based on measured or generated calibration signals.

The patented method involves coupling out a predetermined calibration signal from a signal measurement path, measuring it, generating a known calibration signal, and calibrating the signal path based on these signals. The calibration process includes determining S-parameters of an error network using different calibration standards like open, short, and matched standards. The method also allows for calibrating multiple signal paths by coupling them together via further calibration standards and using a through calibration standard. Overall, the patented technology aims to provide accurate calibration for signal measurement paths in a measurement system, ensuring precise and reliable measurements for various applications.

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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.