BE827711A - MODULATION DEVICE, DIGITAL OPERATION, FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM - Google Patents

MODULATION DEVICE, DIGITAL OPERATION, FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM

Info

Publication number: BE827711A
Authority: BE; Belgium
Prior art keywords: formation; modulation device; frequency system; digital operation; multiplex frequency
Prior art date: 1974-04-29

Application number

BE1006583A

Other languages

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.)

1974-04-29

Filing date

1975-04-09

Publication date

1975-10-09

1975-04-09 Application filed filed Critical

1975-10-09 Publication of BE827711A publication Critical patent/BE827711A/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Time-Division Multiplex Systems (AREA)

BE1006583A 1974-04-29 1975-04-09 MODULATION DEVICE, DIGITAL OPERATION, FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM BE827711A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7414917A FR2269250B1 (en)	1974-04-29	1974-04-29

Publications (1)

Publication Number	Publication Date
BE827711A true BE827711A (en)	1975-10-09

Family

ID=9138279

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE1006583A BE827711A (en)	1974-04-29	1975-04-09	MODULATION DEVICE, DIGITAL OPERATION, FOR THE FORMATION OF A MULTIPLEX FREQUENCY SYSTEM

Country Status (11)

Country	Link
JP (1)	JPS50151050A (en)
BE (1)	BE827711A (en)
DE (1)	DE2518885C2 (en)
DK (1)	DK184375A (en)
FR (1)	FR2269250B1 (en)
GB (1)	GB1505750A (en)
IE (1)	IE41023B1 (en)
IT (1)	IT1037580B (en)
LU (1)	LU72301A1 (en)
NL (1)	NL7505120A (en)
SE (1)	SE403547B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5586250A (en) *	1978-12-25	1980-06-28	Fujitsu Ltd	Carrier generator
DE2916576C3 (en) *	1979-04-24	1981-12-10	Siemens AG, 1000 Berlin und 8000 München	Digital telecommunication system for two-wire remote location operation
DE4136205C1 (en) *	1991-11-02	1992-10-08	Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De	Signal processing circuit for cordless telephone - reduces signal harmonics in data transmission using Manchester decoder to extract information from received triangular signal

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3497625A (en) *	1965-07-15	1970-02-24	Sylvania Electric Prod	Digital modulation and demodulation in a communication system
US3772681A (en) *	1970-10-14	1973-11-13	Post Office	Frequency synthesiser

1974
- 1974-04-29 FR FR7414917A patent/FR2269250B1/fr not_active Expired
1975
- 1975-04-09 BE BE1006583A patent/BE827711A/en not_active IP Right Cessation
- 1975-04-17 LU LU72301A patent/LU72301A1/xx unknown
- 1975-04-23 IT IT2261975A patent/IT1037580B/en active
- 1975-04-28 JP JP5085075A patent/JPS50151050A/ja active Pending
- 1975-04-28 DE DE19752518885 patent/DE2518885C2/en not_active Expired
- 1975-04-28 DK DK184375A patent/DK184375A/en unknown
- 1975-04-28 IE IE93775A patent/IE41023B1/en unknown
- 1975-04-28 SE SE7504909A patent/SE403547B/en not_active IP Right Cessation
- 1975-04-28 GB GB1749275A patent/GB1505750A/en not_active Expired
- 1975-04-29 NL NL7505120A patent/NL7505120A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPS50151050A (en)	1975-12-04
LU72301A1 (en)	1976-03-17
DK184375A (en)	1975-10-30
IE41023L (en)	1975-10-29
FR2269250A1 (en)	1975-11-21
FR2269250B1 (en)	1979-10-19
DE2518885C2 (en)	1985-02-21
DE2518885A1 (en)	1975-11-13
NL7505120A (en)	1975-10-31
SE403547B (en)	1978-08-21
SE7504909L (en)	1975-10-30
IE41023B1 (en)	1979-10-10
IT1037580B (en)	1979-11-20
GB1505750A (en)	1978-03-30

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FR2280243A1 (en)	1976-02-20	FREQUENCY DEMODULATOR FOR A FREQUENCY SHIFT DATA TRANSMISSION SYSTEM
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Legal Events

Date	Code	Title	Description
1989-10-31	RE	Patent lapsed	Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT Effective date: 19890430

Date

Code

Title

Description

1989-10-31

Patent lapsed

Owner name: CIE INDUSTRIELLE DES TELECOMMUNICATIONS CIT-ALCAT

Effective date: 19890430