H03F 3/3094
Phase splitters therefor
Official title: {Phase splitters therefor (H03F3/3088, H03F3/3091, H03F3/3093, H03F3/3096, H03F3/3098 take precedence)}
H03F3/3094 (Phase splitters therefor) appears on 5 US grants and 1 published applications in this corpus.
Search patents in H03F- Granted patents
- 5
- Published applications
- 1
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 14 Sep 2004
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Audio signal amplifier circuit and portable telephone set and portable electronic device using the same audio signal amplifier circuit14 Sep 2004US 6,792,121 B2Rohm Co., Ltd.
- Circuit for converting single-ended input signals to a pair of differential output signals29 Sep 1981US 4,292,597 ASony Corporation
- Phase-splitter20 Sep 1977US 4,049,977 ARCA Corporation
- Phase-splitter circuits18 Jan 1977US 4,004,240 ARCA Corporation
- Single-ended/push-pull converter4 Jan 1977US 4,001,706 AU. S. Philips Corporation
Most cited
By later US patents
- Circuit for converting single-ended input signals to a pair of differential output signals16US 4,292,597 ASony Corporation · 1981
- Phase-splitter9US 4,049,977 ARCA Corporation · 1977
- Audio signal amplifier circuit and portable telephone set and portable electronic device using the same audio signal amplifier circuit6US 6,792,121 B2Rohm Co., Ltd. · 2004
- Single-ended/push-pull converter4US 4,001,706 AU. S. Philips Corporation · 1977
- Phase-splitter circuits3US 4,004,240 ARCA Corporation · 1977