JPS5255418A - Low-speed data communication system and its equipment - Google Patents

Low-speed data communication system and its equipment

Info

Publication number
JPS5255418A
JPS5255418A JP50132007A JP13200775A JPS5255418A JP S5255418 A JPS5255418 A JP S5255418A JP 50132007 A JP50132007 A JP 50132007A JP 13200775 A JP13200775 A JP 13200775A JP S5255418 A JPS5255418 A JP S5255418A
Authority
JP
Japan
Prior art keywords
low
speed data
equipment
communication system
data communication
Prior art date
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.)
Granted
Application number
JP50132007A
Other languages
Japanese (ja)
Other versions
JPS591023B2 (en
Inventor
Toshitake Noguchi
Masami Takada
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP50132007A priority Critical patent/JPS591023B2/en
Publication of JPS5255418A publication Critical patent/JPS5255418A/en
Publication of JPS591023B2 publication Critical patent/JPS591023B2/en
Expired 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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits

Abstract

PURPOSE:The data signal is converted into high-speed data signal which cantains large occupied band width to be transmitted, and the converted data signal is received and demodulated to be turned to a low-speed signal, In this way, the effect given to delay detection system by large fluctuation of carrier frequency can be ignored.
JP50132007A 1975-10-31 1975-10-31 Low speed data communication method Expired JPS591023B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50132007A JPS591023B2 (en) 1975-10-31 1975-10-31 Low speed data communication method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50132007A JPS591023B2 (en) 1975-10-31 1975-10-31 Low speed data communication method

Publications (2)

Publication Number Publication Date
JPS5255418A true JPS5255418A (en) 1977-05-06
JPS591023B2 JPS591023B2 (en) 1984-01-10

Family

ID=15071355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50132007A Expired JPS591023B2 (en) 1975-10-31 1975-10-31 Low speed data communication method

Country Status (1)

Country Link
JP (1) JPS591023B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02278941A (en) * 1989-04-19 1990-11-15 Yamatake Honeywell Co Ltd Base band signal communication equipment

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0365114U (en) * 1989-10-28 1991-06-25

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02278941A (en) * 1989-04-19 1990-11-15 Yamatake Honeywell Co Ltd Base band signal communication equipment

Also Published As

Publication number Publication date
JPS591023B2 (en) 1984-01-10

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