FR2208584A5 - - Google Patents

Info

Publication number
FR2208584A5
FR2208584A5 FR7243278A FR7243278A FR2208584A5 FR 2208584 A5 FR2208584 A5 FR 2208584A5 FR 7243278 A FR7243278 A FR 7243278A FR 7243278 A FR7243278 A FR 7243278A FR 2208584 A5 FR2208584 A5 FR 2208584A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7243278A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie IBM France SAS
Original Assignee
Compagnie IBM France SAS
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 Compagnie IBM France SAS filed Critical Compagnie IBM France SAS
Priority to FR7243278A priority Critical patent/FR2208584A5/fr
Priority to JP11862173A priority patent/JPS4984712A/ja
Priority to GB5299173A priority patent/GB1404559A/en
Priority to DE19732358009 priority patent/DE2358009A1/de
Application granted granted Critical
Publication of FR2208584A5 publication Critical patent/FR2208584A5/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H04L27/122—Modulator circuits; Transmitter circuits using digital generation of carrier signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7243278A 1972-11-29 1972-11-29 Expired FR2208584A5 (xx)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7243278A FR2208584A5 (xx) 1972-11-29 1972-11-29
JP11862173A JPS4984712A (xx) 1972-11-29 1973-10-23
GB5299173A GB1404559A (en) 1972-11-29 1973-11-15 Generator for digitally generating electronic waveforms
DE19732358009 DE2358009A1 (de) 1972-11-29 1973-11-21 Digitalsignalgenerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7243278A FR2208584A5 (xx) 1972-11-29 1972-11-29

Publications (1)

Publication Number Publication Date
FR2208584A5 true FR2208584A5 (xx) 1974-06-21

Family

ID=9108255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7243278A Expired FR2208584A5 (xx) 1972-11-29 1972-11-29

Country Status (4)

Country Link
JP (1) JPS4984712A (xx)
DE (1) DE2358009A1 (xx)
FR (1) FR2208584A5 (xx)
GB (1) GB1404559A (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1488435A (en) * 1974-11-21 1977-10-12 Ibm Multi-line multi-mode modulator
FR2322492A1 (fr) * 1975-08-29 1977-03-25 Cit Alcatel Dispositif numerique de generation d'une onde modulee en phase par un signal de donnees et filtree
US4061886A (en) * 1975-09-29 1977-12-06 Mostek Corporation Dual tone multiple frequency generator
US4008373A (en) * 1975-10-03 1977-02-15 Motorola, Inc. Digital differential phase shift keyed modulator
JPS52127740A (en) * 1976-04-19 1977-10-26 Chubu Nippon Housou Kk Phase modulating system
US4142245A (en) * 1977-08-22 1979-02-27 Texas Instruments Incorporated Multi-frequency digital wave synthesizer for providing analog output signals
CH636485A5 (en) * 1978-06-26 1983-05-31 Landis & Gyr Ag Signal generator for generating sinusoidal output signals with predetermined mutual phase angle, and use thereof as three-phase generator for calibrating electricity meters
JPS5586250A (en) * 1978-12-25 1980-06-28 Fujitsu Ltd Carrier generator
DE3048155C2 (de) * 1980-12-19 1986-01-02 Siemens AG, 1000 Berlin und 8000 München Funksystem
GB2118384A (en) * 1982-03-26 1983-10-26 Plessey Co Plc Digital amplitude modulator
GB2135498B (en) * 1982-12-17 1987-07-01 Casio Computer Co Ltd Electronic musical instrument
USRE34481E (en) * 1982-12-17 1993-12-21 Casio Computer Co., Ltd. Electronic musical instrument
US4620294A (en) * 1983-09-09 1986-10-28 Cts Corporation Digital signal processor modem
JP2785821B2 (ja) * 1983-10-07 1998-08-13 ソニー株式会社 デイジタル信号発生回路
JPS60113556A (ja) * 1983-11-24 1985-06-20 Fujitsu Ltd ディジタルｆｓｋ信号発生装置
US4881190A (en) * 1986-09-02 1989-11-14 The United States Of America As Represented By The United States Department Of Energy Digitally programmable signal generator and method
DE3829985C2 (de) * 1988-09-03 1995-05-11 Fraunhofer Ges Forschung Digitaler Synthesizer
GB2239140B (en) * 1989-12-16 1993-12-22 Motorola Israel Ltd A signal generator

Also Published As

Publication number Publication date
DE2358009A1 (de) 1974-05-30
GB1404559A (en) 1975-09-03
JPS4984712A (xx) 1974-08-14

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Legal Events

Date Code Title Description
ST Notification of lapse