G05F 1/561
Voltage to current converters
Official title: {Voltage to current converters (amplifiers H03F)}
G05F1/561 (Voltage to current converters) appears on 330 US grants and 243 published applications in this corpus.
Search patents in G05F- Granted patents
- 330
- Published applications
- 243
- Assignees
- 221
- Inventors
- 635
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 5 |
| 2004 | 6 | 3 |
| 2005 | 1 | 3 |
| 2006 | 3 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 5 |
| 2009 | 3 | 6 |
| 2010 | 6 | 8 |
| 2011 | 9 | 4 |
| 2012 | 3 | 15 |
| 2013 | 9 | 10 |
| 2014 | 13 | 7 |
| 2015 | 11 | 10 |
| 2016 | 7 | 10 |
| 2017 | 14 | 12 |
| 2018 | 12 | 17 |
| 2019 | 20 | 18 |
| 2020 | 21 | 12 |
| 2021 | 19 | 30 |
| 2022 | 24 | 16 |
| 2023 | 13 | 15 |
| 2024 | 9 | 14 |
| 2025 | 12 | 8 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Current detection circuit and power supply semiconductor integrated circuit6 Oct 2026US 12,754,578 B2Mitsumi Electric Co., Ltd.
- Semiconductor device15 Sep 2026US 12,736,990 B2Ablic Inc.
- Controller for an electronically controlled resistor15 Sep 2026US 12,736,991 B2Drive CJSC
- Linear power supply device and power supply system28 Jul 2026US 12,693,697 B2Rohm Co., Ltd.
- Method and system for buffering a reference voltage21 Jul 2026US 12,689,384 B2Infineon Technologies AG
- Device, system and methods for a temperature compensated current reference30 Jul 2026US 2026/0219700 A1Microchip Technology Incorporated
- Voltage/current conversion device and current source device23 Jul 2026US 2026/0211438 A1Thine Electronics, Inc.
- Low-dropout regulator with an improved power supply rejection ratio using feed-forward or bulk power supply ripple injection23 Jul 2026US 2026/0211441 A1
- Distributed voltage regulating circuit, method of operating distributed voltage regulating circuit, and system-on-chip including distributed voltage regulating circuit9 Jul 2026US 2026/0194929 A1Samsung Electronics Co., Ltd.
- Adaptive dropout for a low dropout (ldo) regulator circuit21 May 2026US 2026/0140525 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Potentiostatic apparatus and methods363US 5,198,771 ATransducer Research, Inc. · 1993
- Bandgap voltage reference based temperature compensation circuit68US 5,767,664 AUnitrode Corporation · 1998
- Voltage to current converter with extended dynamic range58US 5,519,309 ADallas Semiconductor Corporation · 1996
- Light emitting diode array current power supply49US 4,864,216 AHewlett-Packard Company · 1989
- Load current monitor for MOS driver48US 5,220,207 AAllegro MicroSystems, LLC · 1993