NL7212779A - - Google Patents
Info
- Publication number
- NL7212779A NL7212779A NL7212779A NL7212779A NL7212779A NL 7212779 A NL7212779 A NL 7212779A NL 7212779 A NL7212779 A NL 7212779A NL 7212779 A NL7212779 A NL 7212779A NL 7212779 A NL7212779 A NL 7212779A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/08—Arrangements for combining channels
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
- H03H17/0213—Frequency domain filters using Fourier transforms
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0264—Filter sets with mutual related characteristics
- H03H17/0266—Filter banks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/05—Frequency-transposition arrangements using digital techniques
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Algebra (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00212543A US3808412A (en) | 1971-12-27 | 1971-12-27 | Fft filter bank for simultaneous separation and demodulation of multiplexed signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7212779A true NL7212779A (OSRAM) | 1973-06-29 |
Family
ID=22791457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7212779A NL7212779A (OSRAM) | 1971-12-27 | 1972-09-21 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3808412A (OSRAM) |
| JP (1) | JPS5512776B2 (OSRAM) |
| BE (1) | BE789239A (OSRAM) |
| CA (1) | CA969242A (OSRAM) |
| DE (1) | DE2246729A1 (OSRAM) |
| FR (1) | FR2166907A5 (OSRAM) |
| GB (1) | GB1409101A (OSRAM) |
| IT (1) | IT975092B (OSRAM) |
| NL (1) | NL7212779A (OSRAM) |
| SE (1) | SE383082B (OSRAM) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2188920A5 (OSRAM) * | 1972-06-15 | 1974-01-18 | Trt Telecom Radio Electr | |
| SE399624B (sv) * | 1973-11-29 | 1978-02-20 | Trt Telecom Radio Electr | Sendaraordning och mottagaranordning i en anleggning for overforing av ett givet antal basbandkanalsignaler |
| US4006351A (en) * | 1974-11-11 | 1977-02-01 | James Nickolas Constant | Recursive filter implemented as a matched clutter filter |
| US3965343A (en) * | 1975-03-03 | 1976-06-22 | The United States Of America As Represented By The Secretary Of The Navy | Modular system for performing the discrete fourier transform via the chirp-Z transform |
| FR2308144A1 (fr) * | 1975-04-18 | 1976-11-12 | Ibm France | Dispositif generateur de fonction de convolution discrete et filtre numerique incorporant ledit dispositif |
| FR2315809A1 (fr) * | 1975-06-24 | 1977-01-21 | Trt Telecom Radio Electr | Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence |
| US4101964A (en) * | 1976-01-08 | 1978-07-18 | The United States Of America As Represented By The Secretary Of The Army | Digital filter for pulse code modulation signals |
| US4271500A (en) * | 1978-02-13 | 1981-06-02 | Fjaellbrant T | Device for converting a non-uniformly sampled signal with short-time spectrum to a uniformly sampled signal |
| US4231103A (en) * | 1979-02-12 | 1980-10-28 | The United States Of America As Represented By The Secretary Of The Navy | Fast Fourier transform spectral analysis system employing adaptive window |
| US4316282A (en) * | 1979-11-23 | 1982-02-16 | Rca Corporation | Multichannel frequency translation of sampled waveforms by decimation and interpolation |
| US4389538A (en) * | 1981-01-12 | 1983-06-21 | Rockwell International Corporation | Multiplexer for single-octave data processor |
| EP0194826B1 (en) * | 1985-03-15 | 1990-06-20 | THORN EMI Patents Limited | Spread-spectrum signal generator |
| DE3702215A1 (de) * | 1987-01-26 | 1988-08-04 | Ant Nachrichtentech | Uebertragungsanordnung fuer digitale signale |
| US4855894A (en) * | 1987-05-25 | 1989-08-08 | Kabushiki Kaisha Kenwood | Frequency converting apparatus |
| US4896102A (en) * | 1988-06-13 | 1990-01-23 | Scientific-Atlanta, Inc. | Spectrum analyzer |
| FI97505C (fi) * | 1994-11-29 | 1996-12-27 | Nokia Telecommunications Oy | Tiedonsiirtomenetelmä, lähetin ja vastaanotin |
| JP3848421B2 (ja) * | 1997-01-31 | 2006-11-22 | 秀男 村上 | 離散時間信号に対する多重化装置および多重化システムと、離散時間信号に対する多重化方法 |
| JP4199144B2 (ja) * | 2004-03-11 | 2008-12-17 | 株式会社東芝 | ウェイト関数生成装置、参照信号生成装置、送信信号生成装置、信号処理装置及びアンテナ装置 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3544894A (en) * | 1967-07-10 | 1970-12-01 | Bell Telephone Labor Inc | Apparatus for performing complex wave analysis |
| US3605019A (en) * | 1969-01-15 | 1971-09-14 | Ibm | Selective fading transformer |
-
0
- BE BE789239D patent/BE789239A/xx not_active IP Right Cessation
-
1971
- 1971-12-27 US US00212543A patent/US3808412A/en not_active Expired - Lifetime
-
1972
- 1972-07-05 CA CA146,379A patent/CA969242A/en not_active Expired
- 1972-09-19 SE SE7212084A patent/SE383082B/xx unknown
- 1972-09-21 NL NL7212779A patent/NL7212779A/xx not_active Application Discontinuation
- 1972-09-22 DE DE19722246729 patent/DE2246729A1/de not_active Withdrawn
- 1972-09-26 IT IT70040/72A patent/IT975092B/it active
- 1972-09-26 FR FR7234014A patent/FR2166907A5/fr not_active Expired
- 1972-09-26 GB GB4436172A patent/GB1409101A/en not_active Expired
- 1972-09-27 JP JP9629172A patent/JPS5512776B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE383082B (sv) | 1976-02-23 |
| CA969242A (en) | 1975-06-10 |
| US3808412A (en) | 1974-04-30 |
| DE2246729A1 (de) | 1973-07-12 |
| JPS4874716A (OSRAM) | 1973-10-08 |
| BE789239A (fr) | 1973-01-15 |
| IT975092B (it) | 1974-07-20 |
| GB1409101A (en) | 1975-10-08 |
| JPS5512776B2 (OSRAM) | 1980-04-04 |
| FR2166907A5 (OSRAM) | 1973-08-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |