JPS5287908A - Pam transmission system - Google Patents

Pam transmission system

Info

Publication number
JPS5287908A
JPS5287908A JP409676A JP409676A JPS5287908A JP S5287908 A JPS5287908 A JP S5287908A JP 409676 A JP409676 A JP 409676A JP 409676 A JP409676 A JP 409676A JP S5287908 A JPS5287908 A JP S5287908A
Authority
JP
Japan
Prior art keywords
transmission system
pam transmission
wave
pam
retuning
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.)
Pending
Application number
JP409676A
Other languages
Japanese (ja)
Inventor
Kozo Kamata
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP409676A priority Critical patent/JPS5287908A/en
Publication of JPS5287908A publication Critical patent/JPS5287908A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/023—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)

Abstract

PURPOSE:To facilitate extraction of retuning wave at reception system by making large the variation of amplitude modulation which corresponds to sending data logic of terminal unit and also by sending out appropriate carrier wave at all times.
JP409676A 1976-01-19 1976-01-19 Pam transmission system Pending JPS5287908A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP409676A JPS5287908A (en) 1976-01-19 1976-01-19 Pam transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP409676A JPS5287908A (en) 1976-01-19 1976-01-19 Pam transmission system

Publications (1)

Publication Number Publication Date
JPS5287908A true JPS5287908A (en) 1977-07-22

Family

ID=11575251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP409676A Pending JPS5287908A (en) 1976-01-19 1976-01-19 Pam transmission system

Country Status (1)

Country Link
JP (1) JPS5287908A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190118573A (en) 2017-03-07 2019-10-18 쿠리타 고교 가부시키가이샤 Operation management method and reverse osmosis membrane treatment system of reverse osmosis membrane device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190118573A (en) 2017-03-07 2019-10-18 쿠리타 고교 가부시키가이샤 Operation management method and reverse osmosis membrane treatment system of reverse osmosis membrane device

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