G01R 13/30
Circuits for inserting reference markers
Official title: Circuits for inserting reference markers, e.g. for timing, for calibrating, for frequency marking
G01R13/30 (Circuits for inserting reference markers) appears on 47 US grants and 10 published applications in this corpus.
Search patents in G01R- Granted patents
- 47
- Published applications
- 10
- Assignees
- 24
- Inventors
- 71
- Latest grant
- 11 Jul 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 3 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for performing lossless compressed serial decoding11 Jul 2023US 11,698,391 B1Keysight Technologies, Inc.
- Measurement method and measurement apparatus13 Apr 2021US 10,976,350 B2Rohde & Schwarz GmbH & Co.KG
- Measuring system as well as method for analyzing an analog signal14 Apr 2020US 10,620,264 B2Rohde & Schwarz GmbH & Co.KG
- Apparatus and methods for timestamping electrical data in a panel meter19 Feb 2019US 10,211,673 B2Siemens Industry, Inc.
- Method of setting grids and/or markers in measuring apparatus11 Apr 2006US 7,026,805 B2Yokogawa Electric Corporation
- Annotated decode of oscilloscope signals5 Aug 2021US 2021/0239737 A1Microsoft Technology Licensing, LLC
- Measurement method and measurement apparatus29 Oct 2020US 2020/0341034 A1Rohde & Schwarz GmbH & Co.KG
- Network Oscilloscope Using Packet Timestamps4 Jul 2019US 2019/0207830 A1Tektronix, Inc.
- Measuring system as well as method for analyzing an analog signal22 Nov 2018US 2018/0335474 A1Rohde & Schwarz GmbH & Co.KG
- Systems and methods for adaptive cancellation of a moving metal object's effect on received signals30 Mar 2017US 2017/0090066 A1Tyco Fire & Security GmbH
Most cited
By later US patents
- Method to expand an analog signal and device to implement the method44US 4,920,279 ASGS-Thomson Microelectronics S.A. · 1990
- Alignable electronic background grid generation system41US 4,295,135 A1981
- Method of time stamping a waveform edge of an input signal31US 6,549,859 B1Tektronix, Inc. · 2003
- Dual linked zoom boxes for instrument display26US 5,517,105 ATektronix, Inc. · 1996
- Method of displaying graphs with markers24US 5,909,192 AWiltron Company · 1999