H03K 5/19
Monitoring patterns of pulse trains
Official title: Monitoring patterns of pulse trains (indicating amplitude G01R19/00; indicating frequency G01R23/00; measuring characteristics of individual pulses G01R29/02)
H03K5/19 (Monitoring patterns of pulse trains) appears on 430 US grants and 317 published applications in this corpus.
Search patents in H03K- Granted patents
- 430
- Published applications
- 317
- Assignees
- 240
- Inventors
- 820
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 10 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 0 |
| 2002 | 10 | 8 |
| 2003 | 11 | 12 |
| 2004 | 12 | 13 |
| 2005 | 10 | 14 |
| 2006 | 12 | 12 |
| 2007 | 15 | 14 |
| 2008 | 10 | 18 |
| 2009 | 11 | 8 |
| 2010 | 15 | 15 |
| 2011 | 11 | 9 |
| 2012 | 10 | 13 |
| 2013 | 15 | 13 |
| 2014 | 13 | 8 |
| 2015 | 12 | 5 |
| 2016 | 9 | 11 |
| 2017 | 15 | 18 |
| 2018 | 23 | 30 |
| 2019 | 27 | 14 |
| 2020 | 20 | 15 |
| 2021 | 10 | 10 |
| 2022 | 11 | 12 |
| 2023 | 13 | 11 |
| 2024 | 12 | 17 |
| 2025 | 11 | 11 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Clock detection method, clock detection circuit, and image sensor23 Jun 2026US 12,665,580 B2Smartsens Technology (Hk) Co., Limited
- Method of monitoring a clock signal, corresponding device and system26 May 2026US 12,638,483 B2STMicroelectronics International N. V.
- Clock monitoring circuit26 May 2026US 12,638,484 B2Samsung Electronics Co., Ltd.
- Method and apparatus for cross correlation26 May 2026US 12,640,714 B2NetBase Solutions, Inc.
- Monitoring circuit, semiconductor integrated circuit device, and vehicle31 Mar 2026US 12,591,004 B2Rohm Co., Ltd.
- Clock stretch compensation for digital frequency-locked loop circuits27 Aug 2026US 2026/0254442 A1
- Monitoring circuit, semiconductor integrated circuit device, and vehicle25 Jun 2026US 2026/0177608 A1Rohm Co., Ltd.
- Memory device with built-in self-test7 May 2026US 2026/0128114 A1PUFsecurity Corporation
- Clock glitch detection circuit and method thereof7 May 2026US 2026/0128736 A1PUFsecurity Corporation
- Methods and apparatus for edge-triggered digital isolator circuitry19 Mar 2026US 2026/0081808 A1Texas Instruments Incorporated
Most cited
By later US patents
- Fast re-synchronization of independent domain clocks after powerdown to enable fast system start-up82US 6,662,305 B1Intel Corporation · 2003
- Rapid signal validity checking apparatus67US 4,864,158 AAmtech Corporation · 1989
- Method and apparatus for establishing a system clock in response to the level of one of two clock signal sources55US 4,839,534 ASiemens Aktiengesellschaft · 1989
- Digital correlator50US 4,032,885 AThe United States of America as represented by the Secretary of the Navy · 1977
- Apparatus and method for detecting loss of high-speed signal49US 6,897,712 B2International Business Machines Corporation · 2005