JPS6028424B2 - - Google Patents

Info

Publication number
JPS6028424B2
JPS6028424B2 JP4768277A JP4768277A JPS6028424B2 JP S6028424 B2 JPS6028424 B2 JP S6028424B2 JP 4768277 A JP4768277 A JP 4768277A JP 4768277 A JP4768277 A JP 4768277A JP S6028424 B2 JPS6028424 B2 JP S6028424B2
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.)
Expired
Application number
JP4768277A
Other versions
JPS53132927A (en
Inventor
Koichi Teramura
Yasuhiro Yamazaki
Yasushi Wakahara
Original Assignee
Kokusai Denshin Denwa Co Ltd
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 Kokusai Denshin Denwa Co Ltd filed Critical Kokusai Denshin Denwa Co Ltd
Priority to JP4768277A priority Critical patent/JPS6028424B2/ja
Publication of JPS53132927A publication Critical patent/JPS53132927A/ja
Publication of JPS6028424B2 publication Critical patent/JPS6028424B2/ja
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
    • H04L27/22Demodulator circuits; Receiver circuits
    • H04L27/227Demodulator circuits; Receiver circuits using coherent demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying includes continuous phase systems
    • H04L27/20Modulator circuits; Transmitter circuits
    • H04L27/2032Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • H04L27/2042Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states
    • H04L27/205Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states in which the data are represented by the change in phase of the carrier
JP4768277A 1977-04-25 1977-04-25 Expired JPS6028424B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4768277A JPS6028424B2 (ja) 1977-04-25 1977-04-25

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP4768277A JPS6028424B2 (ja) 1977-04-25 1977-04-25
US05/898,020 US4236248A (en) 1977-04-25 1978-04-20 Transmission speed switching system
DE19782817338 DE2817338C3 (ja) 1977-04-25 1978-04-20
FR7812076A FR2389283B1 (ja) 1977-04-25 1978-04-24
GB1624578A GB1597654A (en) 1977-04-25 1978-04-25 Transmission speed switching system

Publications (2)

Publication Number Publication Date
JPS53132927A JPS53132927A (en) 1978-11-20
JPS6028424B2 true JPS6028424B2 (ja) 1985-07-04

Family

ID=12782039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4768277A Expired JPS6028424B2 (ja) 1977-04-25 1977-04-25

Country Status (5)

Country Link
US (1) US4236248A (ja)
JP (1) JPS6028424B2 (ja)
DE (1) DE2817338C3 (ja)
FR (1) FR2389283B1 (ja)
GB (1) GB1597654A (ja)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH638357A5 (de) * 1979-07-06 1983-09-15 Siemens Ag Albis Schaltungsanordnung zur automatischen bitratenerkennung an einem flankencodierten informationssignal.
DE3004981C2 (ja) * 1980-02-11 1981-10-29 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt, De
US4320522A (en) * 1980-05-09 1982-03-16 Harris Corporation Programmable frequency and signalling format tone frequency encoder/decoder circuit
CH653505A5 (de) * 1981-05-12 1985-12-31 Bbc Brown Boveri & Cie Telegrafie-empfaenger fuer serielle impulstelegramme.
US4608689A (en) * 1981-12-04 1986-08-26 Canon Kabushiki Kaisha Data processing and transfer apparatus
BR8300741A (pt) * 1982-02-13 1983-11-16 Canon Kk Sistema de fac-simile
JPS58175358A (en) * 1982-04-07 1983-10-14 Canon Inc Facsimile device
JPH0722324B2 (ja) * 1983-08-30 1995-03-08 富士通株式会社 データ伝送方式
US4691342A (en) * 1983-09-09 1987-09-01 Cts Corporation Multi-speed, full duplex modem
JPS60141057A (en) * 1983-12-28 1985-07-26 Nec Corp Modulation demodulation switching system
US5199061A (en) * 1989-09-06 1993-03-30 Electronics And Telecommunications Research Institute Communication method and equipment for freeze-frame video phone
US5058129A (en) * 1989-10-11 1991-10-15 Integrated Network Corporation Two-wire digital transmission loop
JPH04287458A (en) * 1991-03-18 1992-10-13 Fujitsu Ltd Transmission rate control system for serial interface
US5343515A (en) * 1991-09-13 1994-08-30 Treffkorn Remco V High speed modem
US6674550B1 (en) 1992-07-17 2004-01-06 Canon Kabushiki Kaisha Facsimile apparatus
JPH0637945A (ja) * 1992-07-17 1994-02-10 Canon Inc ポータブルファクシミリ装置
US5631897A (en) * 1993-10-01 1997-05-20 Nec America, Inc. Apparatus and method for incorporating a large number of destinations over circuit-switched wide area network connections
US5663982A (en) * 1994-02-28 1997-09-02 Motorola, Inc. Modem pool data rate adjusting method
JP3471953B2 (ja) * 1995-02-16 2003-12-02 キヤノン株式会社 データ通信装置
US5930312A (en) 1997-04-24 1999-07-27 Tut Systems, Inc. Apparatus and method for selecting different communication speeds on a data signal line
JP3173427B2 (ja) * 1997-06-23 2001-06-04 日本電気株式会社 無線lanシステム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1193085B (de) * 1963-12-09 1965-05-20 Siemens Ag Fernschreibanlage fuer Waehlverkehr mit auf verschiedene Telegrafiergeschwindigkeiten und gegebenenfalls Codes einstellbaren Fernschreibmaschinen
FR1495506A (ja) * 1965-07-02 1967-12-20
US3536840A (en) * 1969-04-25 1970-10-27 Computer Modem Corp Digital data transmission system with a variable transmission rate
US3775751A (en) * 1972-03-17 1973-11-27 D Anderson Method of and apparatus for baud rate detection
JPS538445B2 (ja) * 1973-03-28 1978-03-29
US4001504A (en) * 1975-06-09 1977-01-04 International Business Machines Corporation Automatic terminal data rate selection

Also Published As

Publication number Publication date
US4236248A (en) 1980-11-25
FR2389283B1 (ja) 1982-01-08
DE2817338B2 (ja) 1980-05-08
JPS53132927A (en) 1978-11-20
DE2817338A1 (de) 1978-10-26
GB1597654A (en) 1981-09-09
DE2817338C3 (ja) 1981-02-19
FR2389283A1 (fr) 1978-11-24

Similar Documents

Publication Publication Date Title
CH612565B (ja)
AU495917B2 (ja)
AR210643A1 (ja)
BR5701105U (ja)
AU71461S (ja)
BG25826A1 (ja)
CH611346A5 (ja)
BG26467A1 (ja)
BG26090A1 (ja)
BG26215A1 (ja)
CH609131A5 (ja)
BG26345A1 (ja)
BG25885A1 (ja)
CH603031A5 (ja)
BG26338A1 (ja)
BG26231A1 (ja)
BG25888A1 (ja)
BG26232A1 (ja)
CH599873A5 (ja)
CH610261A5 (ja)
CH604296A5 (ja)
BG26169A1 (ja)
BE871991A (ja)
BG26642A1 (ja)
CA1261873C (ja)