H04B 3/466
Testing attenuation in combination with at least one of group delay and
Official title: Testing attenuation in combination with at least one of group delay and phase shift
H04B3/466 (Testing attenuation in combination with at least one of group delay and) appears on 54 US grants and 48 published applications in this corpus.
Search patents in H04B- Granted patents
- 54
- Published applications
- 48
- Assignees
- 42
- Inventors
- 81
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 1 |
| 2012 | 5 | 7 |
| 2013 | 1 | 1 |
| 2014 | 3 | 5 |
| 2015 | 5 | 3 |
| 2016 | 5 | 7 |
| 2017 | 4 | 3 |
| 2018 | 4 | 2 |
| 2019 | 3 | 2 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wi-fi/Bluetooth antenna disconnect detection24 Feb 2026US 12,562,779 B2Cypress Semiconductor Corporation
- Method and system for estimating crosstalk between electrical transmission lines9 Aug 2022US 11,411,606 B2Telefonaktiebolaget LM Ericsson (publ)
- Decision feedback equalization correction of eye scope measurements16 Nov 2021US 11,177,894 B2Kandou Labs, S.A.
- Dynamic digital communication system control2 Mar 2021US 10,938,427 B2The Board of Trustees of the Leland Stanford Junior University
- Decision feedback equalization correction of eye scope measurements5 Jan 2021US 10,887,030 B2Kandou Labs, S.A.
- Wi-fi/bluetooth antenna disconnect detection31 Jul 2025US 2025/0247128 A1Cypress Semiconductor Corporation
- Cable network device with low loss measurement port4 Apr 2024US 2024/0114109 A1Technetix B.V.
- Decision feedback equalization correction of eye scope measurements29 Apr 2021US 2021/0126725 A1Kandou Labs, S.A.
- Decision feedback equalization correction of eye scope measurements19 Nov 2020US 2020/0366392 A1Kandou Labs, S.A.
- Dynamic digital communication system control16 Jan 2020US 2020/0021322 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Hand-held tester and method for local area network cabling132US 7,479,776 B2IDEAL Industries, Inc. · 2009
- Dynamic digital communication system control90US 7,158,563 B2The Board of Trustees of the Leland Stanford Junior University · 2007
- Echo measurement arrangement51US 4,947,425 AAT&T Bell Laboratories · 1990
- Testing procedure and circuit for the determination of frequency distortions and group delay time distortion of a test object19US 4,264,959 ASiemens Aktiengesellschaft · 1981
- Eye diagram determination during system operation19US 7,822,110 B1Oracle America, Inc. · 2010