FR2285024B1 - - Google Patents
Info
- Publication number
- FR2285024B1 FR2285024B1 FR7527893A FR7527893A FR2285024B1 FR 2285024 B1 FR2285024 B1 FR 2285024B1 FR 7527893 A FR7527893 A FR 7527893A FR 7527893 A FR7527893 A FR 7527893A FR 2285024 B1 FR2285024 B1 FR 2285024B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
- H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
- H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
- H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
- H03H17/0657—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Complex Calculations (AREA)
- Control Of Electric Motors In General (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Electrophonic Musical Instruments (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NLAANVRAGE7412225,A NL168669C (nl) | 1974-09-16 | 1974-09-16 | Interpolerend digitaal filter met ingangsbuffer. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2285024A1 FR2285024A1 (fr) | 1976-04-09 |
| FR2285024B1 true FR2285024B1 (online.php) | 1981-02-06 |
Family
ID=19822104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7527893A Granted FR2285024A1 (fr) | 1974-09-16 | 1975-09-11 | Filtre numerique interpolant equipe d'une memoire tampon d'entree |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3997773A (online.php) |
| JP (1) | JPS5532252B2 (online.php) |
| AU (1) | AU496859B2 (online.php) |
| BE (1) | BE833467A (online.php) |
| CA (1) | CA1043427A (online.php) |
| DE (1) | DE2539532C3 (online.php) |
| FR (1) | FR2285024A1 (online.php) |
| GB (1) | GB1506009A (online.php) |
| IT (1) | IT1042539B (online.php) |
| NL (1) | NL168669C (online.php) |
| SE (1) | SE411005B (online.php) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL179620C (nl) * | 1975-05-29 | 1986-10-01 | Philips Nv | Niet-recursief, interpolerend, digitaal filter. |
| NL175575C (nl) * | 1976-05-28 | 1984-11-16 | Philips Nv | Filter- en demodulatie-inrichting. |
| NL178469C (nl) * | 1976-07-06 | 1986-03-17 | Philips Nv | Niet-recursief discreet filter. |
| JPS5376726A (en) * | 1976-12-20 | 1978-07-07 | Toshiba Corp | Synchronizing system digital filter |
| IT1156199B (it) * | 1978-04-18 | 1987-01-28 | Selenia Ind Elettroniche | Perfezionamento nei circuiti si sintonia automatica per filtri controllati in tensione mediante controllo di fase digitale |
| NL7905332A (nl) * | 1979-07-09 | 1981-01-13 | Philips Nv | Decimerend, lineair phase, digital fir filter. |
| WO1981003728A1 (en) * | 1980-06-18 | 1981-12-24 | Advanced Micro Devices Inc | Subscriber line audio processing circuit apparatus |
| ATE14358T1 (de) * | 1980-11-26 | 1985-08-15 | Studer Willi Ag | Verfahren und schaltungsanordnung zur umsetzung der abtastfrequenz einer abtastfolge unter umgehung der konversion in ein kontinuierliches signal. |
| NL8202687A (nl) * | 1982-07-05 | 1984-02-01 | Philips Nv | Decimerende filterinrichting. |
| DE3477535D1 (en) * | 1983-10-06 | 1989-05-03 | Studer Willi Ag | Method and device to convert a sampled input signal sequence into a sampled output signal sequence |
| NL8400073A (nl) * | 1984-01-10 | 1985-08-01 | Philips Nv | Interpolerende filterinrichting met niet-rationale verhouding tussen de ingangs- en uitgangsbemonsterfrequentie. |
| GB8421378D0 (en) * | 1984-08-23 | 1984-09-26 | British Broadcasting Corp | Variable speed replay |
| US4691293A (en) * | 1984-12-28 | 1987-09-01 | Ford Aerospace & Communications Corporation | High frequency, wide range FIR filter |
| FR2579390A1 (fr) * | 1985-03-22 | 1986-09-26 | Enertec | Generateur numerique de forme d'onde et procede associe |
| GB2214374A (en) * | 1988-01-06 | 1989-08-31 | Philips Electronic Associated | Ssb signal generator |
| US5359696A (en) * | 1988-06-28 | 1994-10-25 | Motorola Inc. | Digital speech coder having improved sub-sample resolution long-term predictor |
| US5023825A (en) * | 1989-07-14 | 1991-06-11 | Tektronix, Inc. | Coefficient reduction in a low ratio sampling rate converter |
| SG47028A1 (en) * | 1989-09-01 | 1998-03-20 | Motorola Inc | Digital speech coder having improved sub-sample resolution long-term predictor |
| US5079553A (en) * | 1989-10-13 | 1992-01-07 | Cincinnati Microwave, Inc. | Long range police radar warning receiver |
| US5134406A (en) * | 1989-10-13 | 1992-07-28 | Cincinnati Microwave, Inc. | Long range police radar warning receiver with multiple array averaging |
| US5049885A (en) * | 1989-10-13 | 1991-09-17 | Cincinnati Microwave, Inc. | Long range police radar warning receiver |
| US4954828A (en) * | 1989-10-13 | 1990-09-04 | Cincinnati Microwave, Inc. | Long range police radar warning receiver |
| US5068813A (en) * | 1989-11-07 | 1991-11-26 | Mts Systems Corporation | Phased digital filtering in multichannel environment |
| US5342990A (en) | 1990-01-05 | 1994-08-30 | E-Mu Systems, Inc. | Digital sampling instrument employing cache-memory |
| JPH10294646A (ja) * | 1990-02-16 | 1998-11-04 | Sony Corp | サンプリングレート変換装置 |
| US5818870A (en) * | 1990-08-28 | 1998-10-06 | Canon Kabushiki Kaisha | Digital communication device |
| US5212659A (en) * | 1991-10-08 | 1993-05-18 | Crystal Semiconductor | Low precision finite impulse response filter for digital interpolation |
| US5825805A (en) * | 1991-10-29 | 1998-10-20 | Canon | Spread spectrum communication system |
| JP3283053B2 (ja) * | 1992-01-14 | 2002-05-20 | ジーイー横河メディカルシステム株式会社 | デジタル移相装置及び超音波診断装置 |
| JP3544998B2 (ja) * | 1992-06-22 | 2004-07-21 | ソニー株式会社 | レートコンバータ |
| US5475628A (en) * | 1992-09-30 | 1995-12-12 | Analog Devices, Inc. | Asynchronous digital sample rate converter |
| US5345426A (en) * | 1993-05-12 | 1994-09-06 | Hewlett-Packard Company | Delay interpolator for digital phased array ultrasound beamformers |
| US5600582A (en) * | 1994-04-05 | 1997-02-04 | Texas Instruments Incorporated | Programmable horizontal line filter implemented with synchronous vector processor |
| US5541864A (en) * | 1994-04-26 | 1996-07-30 | Crystal Semiconductor | Arithmetic-free digital interpolation filter architecture |
| US5638010A (en) * | 1995-06-07 | 1997-06-10 | Analog Devices, Inc. | Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and decimation filters |
| TW579498B (en) * | 2001-12-19 | 2004-03-11 | Via Tech Inc | Method for data recovery with lower sampling frequency and related apparatus |
| US8271568B2 (en) * | 2008-08-29 | 2012-09-18 | Infineon Technologies Ag | Digital filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3633014A (en) * | 1970-03-13 | 1972-01-04 | Bell Telephone Labor Inc | Digital equalizer in which tap adjusting signals are derived by modifying the signal code format |
| US3633105A (en) * | 1970-04-01 | 1972-01-04 | Gte Automatic Electric Lab Inc | Digital adaptive equalizer system |
| US3651316A (en) * | 1970-10-09 | 1972-03-21 | North American Rockwell | Automatic transversal equalizer system |
| FR2129290A5 (online.php) * | 1971-03-17 | 1972-10-27 | Ibm | |
| US3883727A (en) * | 1972-07-05 | 1975-05-13 | Richard L Stuart | Multilevel digital filter |
-
1974
- 1974-09-16 NL NLAANVRAGE7412225,A patent/NL168669C/xx not_active IP Right Cessation
-
1975
- 1975-08-25 US US05/607,611 patent/US3997773A/en not_active Expired - Lifetime
- 1975-09-05 DE DE2539532A patent/DE2539532C3/de not_active Expired
- 1975-09-11 FR FR7527893A patent/FR2285024A1/fr active Granted
- 1975-09-11 CA CA235,394A patent/CA1043427A/en not_active Expired
- 1975-09-12 SE SE7510162A patent/SE411005B/xx not_active IP Right Cessation
- 1975-09-12 IT IT27218/75A patent/IT1042539B/it active
- 1975-09-12 GB GB37642/75A patent/GB1506009A/en not_active Expired
- 1975-09-13 JP JP11053075A patent/JPS5532252B2/ja not_active Expired
- 1975-09-15 AU AU84808/75A patent/AU496859B2/en not_active Expired
- 1975-09-16 BE BE160084A patent/BE833467A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5155650A (online.php) | 1976-05-15 |
| AU8480875A (en) | 1977-03-24 |
| IT1042539B (it) | 1980-01-30 |
| NL168669C (nl) | 1982-04-16 |
| SE411005B (sv) | 1979-11-19 |
| CA1043427A (en) | 1978-11-28 |
| US3997773A (en) | 1976-12-14 |
| JPS5532252B2 (online.php) | 1980-08-23 |
| DE2539532C3 (de) | 1978-10-05 |
| GB1506009A (en) | 1978-04-05 |
| NL168669B (nl) | 1981-11-16 |
| DE2539532A1 (de) | 1976-04-01 |
| BE833467A (fr) | 1976-03-16 |
| FR2285024A1 (fr) | 1976-04-09 |
| DE2539532B2 (de) | 1978-02-23 |
| NL7412225A (nl) | 1976-03-18 |
| AU496859B2 (en) | 1978-11-02 |
| SE7510162L (sv) | 1976-03-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DR | Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse | ||
| ST | Notification of lapse |