G04G 3/022
The desired number of pulses per unit of time being obtained by
Official title: {the desired number of pulses per unit of time being obtained by adding to or substracting from a pulse train one or more pulses (in general G06F7/68)}
G04G3/022 (The desired number of pulses per unit of time being obtained by) appears on 99 US grants and 10 published applications in this corpus.
Search patents in G04G- Granted patents
- 99
- Published applications
- 10
- Assignees
- 49
- Inventors
- 150
- Latest grant
- 21 May 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 11 | 0 |
| 1978 | 9 | 0 |
| 1979 | 10 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 3 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for testing the rate of a quartz watch21 May 2019US 10,295,962 B2ETA SA Manufacture Horlogere Suisse
- Time base including an oscillator, a frequency divider circuit and clocking pulse inhibition circuit6 Jun 2017US 9,671,759 B2EM Microelectronic-Marin SA
- Apparatus for frequency compensation using two counters16 Jun 2015US 9,059,717 B2Samsung Electronics Co., Ltd.
- Temperature compensated timing signal generator2 Dec 2014US 8,901,983 B1Micro Crystal AG
- Temperature compensated timing signal generator25 Nov 2014US 8,896,359 B1Micro Crystal AG
- Method for testing the rate of a quartz watch18 May 2017US 2017/0139377 A1ETA SA Manufacture Horlogere Suisse
- Time base including an oscillator, a frequency divider circuit and clocking pulse inhibition circuit10 Sep 2015US 2015/0253737 A1EM Microelectronic-Marin SA
- Apparatus and methods for frequency compensation using two counters10 Jul 2014US 2014/0191785 A1Samsung Electronics Co., Ltd.
- High-precision electronic clock movement and process for adjusting a time base5 Jun 2014US 2014/0152355 A1EM Microelectronic-Marin SA
- Low-power oscillator28 Apr 2011US 2011/0095791 A1QUALCOMM Incorporated
Most cited
By later US patents
- Method and apparatus for real time clock frequency error correction46US 6,304,517 B1Telefonaktiebolaget LM Ericsson (publ) · 2001
- High accuracy low power GPS time source43US 5,940,027 ARockwell International Corporation · 1999
- Electronic timepiece with temperature compensation38US 4,453,834 ACitizen Watch Co., Ltd. · 1984
- Clock pulse generating apparatus27US 4,101,838 ATokyo Shibaura Electric Co., Ltd. · 1978
- Frequency generator compensated as a function of at least one physical parameter of the environment24US 4,015,208 ACentre Electronique Horloger S. A. · 1977