JPS56500869A - - Google Patents

Info

Publication number
JPS56500869A
JPS56500869A JP50179780A JP50179780A JPS56500869A JP S56500869 A JPS56500869 A JP S56500869A JP 50179780 A JP50179780 A JP 50179780A JP 50179780 A JP50179780 A JP 50179780A JP S56500869 A JPS56500869 A JP S56500869A
Authority
JP
Japan
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.)
Pending
Application number
JP50179780A
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 filed Critical
Publication of JPS56500869A publication Critical patent/JPS56500869A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP50179780A 1979-07-11 1980-06-23 Pending JPS56500869A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/056,531 US4259648A (en) 1979-07-11 1979-07-11 One-bit frequency-shift-keyed modulator

Publications (1)

Publication Number Publication Date
JPS56500869A true JPS56500869A (ja) 1981-06-25

Family

ID=22005022

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50179780A Pending JPS56500869A (ja) 1979-07-11 1980-06-23

Country Status (5)

Country Link
US (1) US4259648A (ja)
EP (1) EP0032152A4 (ja)
JP (1) JPS56500869A (ja)
CA (1) CA1129103A (ja)
WO (1) WO1981000334A1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519555A1 (fr) * 1982-01-11 1983-07-18 Rhone Poulenc Sa Appareillage et procede de plasmapherese alternative avec appareil a membrane
GB2118405A (en) * 1982-04-08 1983-10-26 Motorola Israel Ltd F.S.K. encoder
FR2548907B1 (fr) * 1983-07-13 1985-11-08 Rhone Poulenc Sa Procede de plasmapherese et appareillage utilisable notamment pour ce procede
NL8402319A (nl) * 1984-07-23 1986-02-17 Philips Nv Inrichting voor het genereren van een hoekgemoduleerd draaggolfsignaal van constante amplitude in responsie op datasignalen.
GB8505527D0 (en) * 1985-03-04 1985-04-03 Digital Equipment Corp Digitally implemented modulators
US4816822A (en) * 1986-02-14 1989-03-28 Ryan Instruments, Inc. Remote environmental monitor system
US5027372A (en) * 1987-03-04 1991-06-25 National Semiconductor Corp. Differential phase shift keying modulator
US4914396A (en) * 1987-09-21 1990-04-03 Acme Electric Corporation PWM waveform generator
US4878035A (en) * 1988-05-27 1989-10-31 Wavetek Rf Products, Inc. Hybrid frequency shift keying modulator and method
US5329260A (en) * 1992-07-17 1994-07-12 Ii Morrow Inc. Numerically-controlled modulated oscillator and modulation method
JP2006521712A (ja) * 2003-03-28 2006-09-21 イーエスエス テクノロジー インコーポレイテッド ビット・バイナリ・レート・マルチプライヤで構成されるバイカッド型フィルタ回路
DE102005041455A1 (de) * 2005-08-31 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
DE102005043485A1 (de) * 2005-09-13 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
DE102005043482A1 (de) * 2005-09-13 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung
DE102005043481A1 (de) * 2005-09-13 2007-03-15 Abb Patent Gmbh Automatisierungstechnische Einrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697892A (en) * 1971-02-19 1972-10-10 Bell Telephone Labor Inc Digital frequency-shift modulator using a read-only-memory
US3793597A (en) * 1971-11-08 1974-02-19 Tull Aviation Corp Modulation synthesis method and apparatus
US3773975A (en) * 1971-12-17 1973-11-20 Burroughs Corp Fsk digital transmitter
US3824498A (en) * 1972-12-22 1974-07-16 Dallas Instr Inc Digital processor for selectively synthesizing sinusoidal waveforms and frequency modulations
US3958191A (en) * 1974-11-21 1976-05-18 International Business Machines Corporation Multi-line, multi-mode modulator using bandwidth reduction for digital fsk and dpsk modulation
US3959604A (en) * 1975-04-07 1976-05-25 International Business Machines Corporation Digital calling signal tone generating circuitry
CH609510A5 (ja) * 1976-06-18 1979-02-28 Ibm
US4132871A (en) * 1977-06-22 1979-01-02 Fairchild Camera And Instrument Corporation Digitally synthesized multi-frequency signal generator
DE2738352A1 (de) * 1977-08-23 1979-03-01 Siemens Ag Funktionsgenerator mit speichermatrix

Also Published As

Publication number Publication date
WO1981000334A1 (en) 1981-02-05
EP0032152A4 (en) 1981-11-11
US4259648A (en) 1981-03-31
CA1129103A (en) 1982-08-03
EP0032152A1 (en) 1981-07-22

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