Anritsu‘s patented test apparatus measures transmission or reception characteristics of a device under test with an antenna. It includes an anechoic box, posture changeable mechanism, first and second test antennas, a reflector, and a movable antenna mechanism for precise measurements in various scenarios. GlobalData’s report on Anritsu 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 Anritsu, Wireless network optimization was a key innovation area identified from patents. Anritsu's grant share as of February 2024 was 80%. Grant share is based on the ratio of number of grants to total number of patents.
Test apparatus for measuring transmission/reception characteristics of antennas
A recently granted patent (Publication Number: US11921140B2) discloses a test apparatus designed to measure the transmission or reception characteristics of a device under test, including an antenna under test. The apparatus comprises an anechoic box with an internal space unaffected by external radio waves, a posture changeable mechanism for adjusting the device under test's position, a first and second test antenna for transmitting and receiving signals to or from the antenna under test, a reflector to convert radio signals into plane waves, and a movable antenna mechanism to vary the position of the second test antenna for testing at different angles of arrival or departure.
The patent also details a test method utilizing the described apparatus, involving selecting an angle of arrival or departure, adjusting the second test antenna accordingly, changing the posture of the device under test, and measuring its transmission or reception characteristics using the first and second test antennae. This method allows for comprehensive testing of devices in a controlled environment, ensuring accurate assessment of their performance under various conditions.
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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.
