BE865610A - Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa - Google Patents

Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa

Info

Publication number: BE865610A
Authority: BE; Belgium
Prior art keywords: discreet; converting; vice versa; multiplex signal; signals
Prior art date: 1977-04-04

Application number

BE186507A

Other languages

English (en)

Original Assignee

Philips Nv

Priority date (The priority date 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 date listed.)

1977-04-04

Filing date

1978-03-31

Publication date

1978-10-02

1978-03-31 Application filed by Philips Nv filed Critical Philips Nv

1978-10-02 Publication of BE865610A publication Critical patent/BE865610A/fr

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)

BE186507A 1977-04-04 1978-03-31 Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa BE865610A (fr)

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 (1)

Publication Number	Publication Date
BE865610A true BE865610A (fr)	1978-10-02

Family

ID=19828298

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE186507A BE865610A (fr)	1977-04-04	1978-03-31	Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa

Country Status (14)

Country	Link
US (1)	US4131764A (fr)
JP (2)	JPS53123615A (fr)
AU (1)	AU510119B2 (fr)
BE (1)	BE865610A (fr)
BR (1)	BR7802065A (fr)
CA (1)	CA1109973A (fr)
CH (1)	CH633923A5 (fr)
DE (1)	DE2811576C2 (fr)
DK (1)	DK145778A (fr)
FR (1)	FR2386943A1 (fr)
GB (1)	GB1571263A (fr)
IT (1)	IT1094037B (fr)
NL (1)	NL180369C (fr)
SE (2)	SE436534B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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 (fr)	1999-03-04	2004-08-10	Nippon Telegraph And Telephone Corporation	Modem numerique a vitesse de transmission variable et banc de filtres a vitesses multiples
EP1238467B1 (fr) *	1999-12-16	2005-10-05	Infineon Technologies AG	Appareil electronique dote d'un mode de fonctionnement et d'un mode de repos a economie d'energie et procede de commutation entre ces deux modes
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)

* Cited by examiner, † Cited by third party
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 (fr) *	1972-06-15	1974-01-18	Trt Telecom Radio Electr
FR2273419B1 (fr)	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/fr 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/fr 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 (fr)	1990-01-09
CA1109973A (fr)	1981-09-29
SE8404353D0 (sv)	1984-08-31
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 (fr)	1983-01-07
CH633923A5 (de)	1982-12-31
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

Date	Code	Title	Description
1989-09-30	RE	Patent lapsed	Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN Effective date: 19890331

Date

Code

Title

Description

1989-09-30

Patent lapsed

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19890331