SE8404353D0 - Anordning for omvandling av diskreta signaler till en diskret frekvensmultiplexsignal med enkelt sidband och omvent - Google Patents
Anordning for omvandling av diskreta signaler till en diskret frekvensmultiplexsignal med enkelt sidband och omventInfo
- Publication number
- SE8404353D0 SE8404353D0 SE8404353A SE8404353A SE8404353D0 SE 8404353 D0 SE8404353 D0 SE 8404353D0 SE 8404353 A SE8404353 A SE 8404353A SE 8404353 A SE8404353 A SE 8404353A SE 8404353 D0 SE8404353 D0 SE 8404353D0
- Authority
- SE
- Sweden
- Prior art keywords
- discrete
- reverse
- conversion
- side band
- multiplex signal
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J4/00—Combined time-division and frequency-division multiplex systems
- H04J4/005—Transmultiplexing
-
- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Time-Division Multiplex Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NLAANVRAGE7703633,A NL180369C (nl) | 1977-04-04 | 1977-04-04 | Inrichting voor het omzetten van discrete signalen in een discreet enkelzijband frequentie-multiplex-signaal en omgekeerd. |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8404353D0 true SE8404353D0 (sv) | 1984-08-31 |
SE437450B SE437450B (sv) | 1985-02-25 |
Family
ID=19828298
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7803634A SE436534B (sv) | 1977-04-04 | 1978-03-31 | Anordning for omvandling av diskreta basbandssignaler till en diskret basbandsfrekvensmultiplexsignal med enkelt sidband och omvent |
SE8404353A SE437450B (sv) | 1977-04-04 | 1984-08-31 | Anordning for omvandling av diskreta signaler till en diskret frekvensmultiplexsignal med enkelt sidband och omvent |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7803634A SE436534B (sv) | 1977-04-04 | 1978-03-31 | Anordning for omvandling av diskreta basbandssignaler till en diskret basbandsfrekvensmultiplexsignal med enkelt sidband och omvent |
Country Status (14)
Country | Link |
---|---|
US (1) | US4131764A (sv) |
JP (2) | JPS53123615A (sv) |
AU (1) | AU510119B2 (sv) |
BE (1) | BE865610A (sv) |
BR (1) | BR7802065A (sv) |
CA (1) | CA1109973A (sv) |
CH (1) | CH633923A5 (sv) |
DE (1) | DE2811576C2 (sv) |
DK (1) | DK145778A (sv) |
FR (1) | FR2386943A1 (sv) |
GB (1) | GB1571263A (sv) |
IT (1) | IT1094037B (sv) |
NL (1) | NL180369C (sv) |
SE (2) | SE436534B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL180895C (nl) * | 1978-11-30 | 1987-05-04 | Philips Nv | Analoog-digitaal-omzetter. |
NL173339C (nl) * | 1978-11-30 | 1984-01-02 | Philips Nv | Digitaal-analoog omzetter. |
US4412325A (en) * | 1981-07-13 | 1983-10-25 | Telettra- Telefonia Elettronica E Radio S.P.A. | Equipment for single band multiplexing through digital processing |
NL8202687A (nl) * | 1982-07-05 | 1984-02-01 | Philips Nv | Decimerende filterinrichting. |
US4563750A (en) * | 1983-03-04 | 1986-01-07 | Clarke William L | Fast Fourier transform apparatus with data timing schedule decoupling |
FR2577084B1 (fr) * | 1985-02-01 | 1987-03-20 | Trt Telecom Radio Electr | Systeme de bancs de filtres d'analyse et de synthese d'un signal |
DE3626862A1 (de) * | 1986-08-08 | 1988-02-11 | Philips Patentverwaltung | Mehrstufige sender- antennenkoppeleinrichtung |
US4785447A (en) * | 1987-02-17 | 1988-11-15 | Nec Corporation | FDM demultiplexer using oversampled digital filters |
NO165980C (no) * | 1988-11-07 | 1991-05-08 | Frobe Radio As | Fremgangsmaate for omforming respektive prosessering av elektroniske multiplekssignaler, og anordning for prosessering av slike signaler. |
US5475628A (en) * | 1992-09-30 | 1995-12-12 | Analog Devices, Inc. | Asynchronous digital sample rate converter |
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 |
US6487190B1 (en) * | 1996-06-27 | 2002-11-26 | Interdigital Technology Corporation | Efficient multichannel filtering for CDMA modems |
US5999573A (en) * | 1997-08-29 | 1999-12-07 | Ericsson Inc. | Wideband channelization with variable sampling frequency |
DE19826253A1 (de) * | 1998-06-15 | 1999-12-16 | Abb Patent Gmbh | Verfahren zur bandbreiteneffizienten Mehrfrequenz-Datenübertragung |
CA2299821C (en) | 1999-03-04 | 2004-08-10 | Nippon Telegraph And Telephone Corporation | Variable transmission rate digital modem with multi-rate filter bank |
EP1238467B1 (de) * | 1999-12-16 | 2005-10-05 | Infineon Technologies AG | Elektronisches gerät mit einem betriebsmodus und einem energiesparenden ruhemodus und verfahren zum umschalten zwischen beiden modi |
US8718290B2 (en) | 2010-01-26 | 2014-05-06 | Audience, Inc. | Adaptive noise reduction using level cues |
US9378754B1 (en) | 2010-04-28 | 2016-06-28 | Knowles Electronics, Llc | Adaptive spatial classifier for multi-microphone systems |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3605019A (en) * | 1969-01-15 | 1971-09-14 | Ibm | Selective fading transformer |
BE754408A (nl) | 1969-08-06 | 1971-02-04 | Trt Telecom Radio Electr | Stelsel voor de overdracht van analoge signalen door middel vanpulscodemodulatie |
US3676598A (en) * | 1970-06-08 | 1972-07-11 | Bell Telephone Labor Inc | Frequency division multiplex single-sideband modulation system |
FR2188920A5 (sv) * | 1972-06-15 | 1974-01-18 | Trt Telecom Radio Electr | |
FR2273419B1 (sv) | 1973-01-25 | 1976-09-10 | Trt Telecom Radio Electr | |
GB1517172A (en) * | 1974-06-28 | 1978-07-12 | Trt Telecom Radio Electr | Telecommunication system |
US3971922A (en) * | 1974-11-29 | 1976-07-27 | Telecommunications Radioelectriques Et Telephoniques T.R.T. | Circuit arrangement for digitally processing a given number of channel signals |
NL179620C (nl) | 1975-05-29 | 1986-10-01 | Philips Nv | Niet-recursief, interpolerend, digitaal filter. |
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 |
GB1517675A (en) * | 1976-02-24 | 1978-07-12 | Nippon Electric Co | Communication system |
US4013842A (en) * | 1976-04-15 | 1977-03-22 | Bell Telephone Laboratories, Incorporated | Method and apparatus for interfacing digital and analog carrier systems |
-
1977
- 1977-04-04 NL NLAANVRAGE7703633,A patent/NL180369C/xx not_active IP Right Cessation
- 1977-08-04 US US05/821,652 patent/US4131764A/en not_active Expired - Lifetime
-
1978
- 1978-03-17 DE DE2811576A patent/DE2811576C2/de not_active Expired
- 1978-03-29 AU AU34570/78A patent/AU510119B2/en not_active Expired
- 1978-03-30 CA CA300,017A patent/CA1109973A/en not_active Expired
- 1978-03-31 IT IT21886/78A patent/IT1094037B/it active
- 1978-03-31 DK DK145778A patent/DK145778A/da not_active Application Discontinuation
- 1978-03-31 SE SE7803634A patent/SE436534B/sv not_active IP Right Cessation
- 1978-03-31 BE BE186507A patent/BE865610A/xx not_active IP Right Cessation
- 1978-03-31 GB GB12693/78A patent/GB1571263A/en not_active Expired
- 1978-04-01 JP JP3747378A patent/JPS53123615A/ja active Pending
- 1978-04-03 BR BR7802065A patent/BR7802065A/pt unknown
- 1978-04-03 CH CH354578A patent/CH633923A5/de not_active IP Right Cessation
- 1978-04-04 FR FR7809887A patent/FR2386943A1/fr active Granted
-
1984
- 1984-08-31 SE SE8404353A patent/SE437450B/sv not_active IP Right Cessation
-
1985
- 1985-01-18 JP JP60007306A patent/JPS60185440A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DK145778A (da) | 1978-10-05 |
FR2386943A1 (fr) | 1978-11-03 |
DE2811576A1 (de) | 1978-10-05 |
SE7803634L (sv) | 1978-11-24 |
JPH02904B2 (sv) | 1990-01-09 |
CA1109973A (en) | 1981-09-29 |
BR7802065A (pt) | 1978-11-07 |
NL7703633A (nl) | 1978-10-06 |
SE436534B (sv) | 1984-12-17 |
AU510119B2 (en) | 1980-06-05 |
JPS60185440A (ja) | 1985-09-20 |
GB1571263A (en) | 1980-07-09 |
FR2386943B1 (sv) | 1983-01-07 |
CH633923A5 (de) | 1982-12-31 |
BE865610A (fr) | 1978-10-02 |
NL180369C (nl) | 1987-02-02 |
JPS53123615A (en) | 1978-10-28 |
NL180369B (nl) | 1986-09-01 |
US4131764A (en) | 1978-12-26 |
SE437450B (sv) | 1985-02-25 |
IT7821886A0 (it) | 1978-03-31 |
AU3457078A (en) | 1979-10-04 |
IT1094037B (it) | 1985-07-26 |
DE2811576C2 (de) | 1983-12-01 |
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Legal Events
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NUG | Patent has lapsed |
Ref document number: 8404353-8 Effective date: 19900411 Format of ref document f/p: F |