IE37872L - Digital equipment for forming a frequency multiplex system - Google Patents

Digital equipment for forming a frequency multiplex system

Info

Publication number
IE37872L
IE37872L IE731110A IE111073A IE37872L IE 37872 L IE37872 L IE 37872L IE 731110 A IE731110 A IE 731110A IE 111073 A IE111073 A IE 111073A IE 37872 L IE37872 L IE 37872L
Authority
IE
Ireland
Prior art keywords
forming
digital equipment
multiplex system
frequency multiplex
frequency
Prior art date
Application number
IE731110A
Other versions
IE37872B1 (en
Original Assignee
Cit Alcatel
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.)
Filing date
Publication date
Application filed by Cit Alcatel filed Critical Cit Alcatel
Publication of IE37872L publication Critical patent/IE37872L/en
Publication of IE37872B1 publication Critical patent/IE37872B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • 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)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
IE1110/73A 1972-07-03 1973-07-03 Digital equipment for forming a frequency multiplex syste IE37872B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7224032A FR2191826A5 (en) 1972-07-03 1972-07-03

Publications (2)

Publication Number Publication Date
IE37872L true IE37872L (en) 1974-01-03
IE37872B1 IE37872B1 (en) 1977-11-09

Family

ID=9101270

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1110/73A IE37872B1 (en) 1972-07-03 1973-07-03 Digital equipment for forming a frequency multiplex syste

Country Status (9)

Country Link
US (1) US3875340A (en)
BE (1) BE801780A (en)
DE (1) DE2333870A1 (en)
FR (1) FR2191826A5 (en)
GB (1) GB1437205A (en)
IE (1) IE37872B1 (en)
IT (1) IT991652B (en)
LU (1) LU67901A1 (en)
NL (1) NL7309282A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4086536A (en) * 1975-06-24 1978-04-25 Honeywell Inc. Single sideband transmitter apparatus
US4001510A (en) * 1975-07-07 1977-01-04 Motorola, Inc. Digital modulator and demodulator system for fdm telephony
US4316282A (en) * 1979-11-23 1982-02-16 Rca Corporation Multichannel frequency translation of sampled waveforms by decimation and interpolation
DE3120445A1 (en) * 1981-05-22 1983-05-26 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang METHOD FOR FREQUENCY EXCHANGE OF SUB BANDS
JPS6259432A (en) * 1985-09-10 1987-03-16 Nec Corp Fdm/tdm mutual conversion system
DE3626862A1 (en) * 1986-08-08 1988-02-11 Philips Patentverwaltung MULTI-STAGE TRANSMITTER ANTENNA COUPLING DEVICE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676598A (en) * 1970-06-08 1972-07-11 Bell Telephone Labor Inc Frequency division multiplex single-sideband modulation system

Also Published As

Publication number Publication date
LU67901A1 (en) 1974-01-03
FR2191826A5 (en) 1974-02-01
GB1437205A (en) 1976-05-26
NL7309282A (en) 1974-01-07
IE37872B1 (en) 1977-11-09
BE801780A (en) 1974-01-02
DE2333870A1 (en) 1974-01-17
US3875340A (en) 1975-04-01
IT991652B (en) 1975-08-30

Similar Documents

Publication Publication Date Title
AU482164B2 (en) TIME DIVISION MULTIPLEXED Specification DIGITAL SWITCHING APPARATUS V
CA1028072A (en) Time multiplex telecommunication method
CA1026473A (en) Time division multiplex system
AU7252574A (en) Digital multiplexing system
YU271174A (en) Device for making mechanical waves
IL34234A (en) Synchronizing system for digital communication equipment
CA984957A (en) Terminal equipment for a synchronized communication system
CA1000380A (en) Synchronizing clock system for a multi-terminal communication apparatus
CS183801B2 (en) Lines trunking equipment
AU4914572A (en) Time division multiplex telecommunications systems
IE37872B1 (en) Digital equipment for forming a frequency multiplex syste
ZA746293B (en) Circuit arrangement for synchronizing a television receiver
GB1441028A (en) Time multiplex digital transmission system
CA991765A (en) Pulse-correcting system for a telephone signaling system
IE38524B1 (en) A digital group modulator
CA1010581A (en) Equipment modulator for the formation of a telephone system with multiplex frequencies
GB1374928A (en) Trunking for services
CA1006617A (en) Anti-pairing system for a television receiver
IL43516A0 (en) Time division multiplex system
ZA73872B (en) Apparatus for repeating a dialling signal
ZA737683B (en) Method for varying the frequencies of a communication signal
CA1010507A (en) Squelch circuit for a digital system
AU483475B2 (en) Apparatus for repeating a dialling signal
GB1440443A (en) Time division multiplex systems for digital communications
IE41023B1 (en) A multiplex system of a digital type