G01R 29/105
Using anechoic chambers
Official title: {using anechoic chambers; Chambers or open field sites used therefor (test sites used for measuring on other objects than aerials G01R29/0828; wave absorbing devices H01Q17/00)}
G01R29/105 (Using anechoic chambers) appears on 268 US grants and 247 published applications in this corpus.
Search patents in G01R- Granted patents
- 268
- Published applications
- 247
- Assignees
- 153
- Inventors
- 622
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 3 | 2 |
| 2005 | 2 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 8 |
| 2011 | 7 | 5 |
| 2012 | 5 | 2 |
| 2013 | 6 | 9 |
| 2014 | 3 | 8 |
| 2015 | 3 | 5 |
| 2016 | 10 | 8 |
| 2017 | 9 | 4 |
| 2018 | 9 | 16 |
| 2019 | 12 | 18 |
| 2020 | 25 | 32 |
| 2021 | 21 | 30 |
| 2022 | 29 | 22 |
| 2023 | 33 | 20 |
| 2024 | 24 | 19 |
| 2025 | 19 | 16 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and method for controlling electromagnetic waves in electromagnetic waves measurement device6 Oct 2026US 12,754,223 B2Electronics and Telecommunications Research Institute
- Method and system for aligning test environments11 Aug 2026US 12,704,536 B2MediaTek Singapore Pte. Ltd.
- System and method for active electronically scanned array test and calibration14 Jul 2026US 12,681,065 B2Rockwell Collins, Inc.
- Radio terminal test apparatus and radio terminal test method16 Jun 2026US 12,659,057 B2Anritsu Corporation
- Method and apparatus for testing dynamic beam adaptive radio resource management (RRM) and demodulation requirements in over the air (OTA) test setup7 Apr 2026US 12,598,011 B2Nokia Technologies Oy
- System for positioning antenna under test (aut) with respect to offset feed antennas3 Sep 2026US 2026/0259252 A1Keysight Technologies, Inc.
- Reverberation chamber and measurement system comprising the same20 Aug 2026US 2026/0243812 A1Antennex Holding B.V.
- Device for measuring the electromagnetic radiation of a radiating object12 Mar 2026US 2026/0072064 A1Anyfields
- Fate factory calibration and test5 Mar 2026US 2026/0063696 A1Rockwell Collins, Inc.
- Method and device for detecting electric field26 Feb 2026US 2026/0056238 A1National University Corporation Kanazawa University
Most cited
By later US patents
- Anechoic chamber and wave absorber97US 5,510,792 ATDK Corporation · 1996
- Electromagnetic anechoic chamber with an inner electromagnetic wave reflection surface and an electromagnetic wave absorption small ball disposed in the chamber43US 4,931,798 ATokin Corporation · 1990
- Electromagnetically anechoic chamber and shield structures therefor41US 5,134,405 AMatsushita Electric Industrial Co., Ltd. · 1992
- Range focus lens37US 4,218,683 APlessey Incorporated · 1980
- Serrated electromagnetic absorber31US 5,208,599 AThe Ohio State University · 1993