H03H 17/0405
Comprising a rom addressed by the input and output data signals
Official title: {comprising a ROM addressed by the input and output data signals}
H03H17/0405 (Comprising a rom addressed by the input and output data signals) appears on 8 US grants and 2 published applications in this corpus.
Search patents in H03H- Granted patents
- 8
- Published applications
- 2
- Assignees
- 7
- Inventors
- 13
- Latest grant
- 2 Jan 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Biquad digital filter operating at maximum efficiency2 Jan 2007US 7,159,002 B2Texas Instruments Incorporated
- Digital filter and method for performing a multiplication based on a look-up table16 May 2006US 7,046,723 B2Nokia Corporation
- Variable-passband variable-phase digital filter24 Nov 1987US 4,709,343 AThomson-CSF
- Recursive type digital filter8 Dec 1981US 4,305,133 AHitachi, Ltd.
- Recursive digital filter having means to prevent overflow oscillation16 Sep 1980US 4,223,389 AHitachi, Ltd.
Most cited
By later US patents
- Variable-passband variable-phase digital filter42US 4,709,343 AThomson-CSF · 1987
- Recursive type digital filter28US 4,305,133 AHitachi, Ltd. · 1981
- Recursive digital filter having means to prevent overflow oscillation22US 4,223,389 AHitachi, Ltd. · 1980
- Digital filter21US 4,146,931 AInternational Standard Electric Corporation · 1979
- Recursive digital filter comprising a circuit responsive to first sum and feedback sign bits and second sum sign and integer bits for detecting overflow in the second sum16US 4,215,415 ANippon Electric Co., Ltd. · 1980