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JPS52114252A - Amplitue/phase modulation system - Google Patents

Amplitue/phase modulation system

Info

Publication number
JPS52114252A
JPS52114252A JP3111376A JP3111376A JPS52114252A JP S52114252 A JPS52114252 A JP S52114252A JP 3111376 A JP3111376 A JP 3111376A JP 3111376 A JP3111376 A JP 3111376A JP S52114252 A JPS52114252 A JP S52114252A
Authority
JP
Japan
Prior art keywords
signal
amplitue
phase modulation
modulation system
polartity
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
JP3111376A
Other languages
Japanese (ja)
Other versions
JPS5813072B2 (en
Inventor
Yoshio Horiuchi
Yutaka Suzuki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP51031113A priority Critical patent/JPS5813072B2/en
Publication of JPS52114252A publication Critical patent/JPS52114252A/en
Publication of JPS5813072B2 publication Critical patent/JPS5813072B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Facsimile Image Signal Circuits (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

PURPOSE: To provide a means to reproduce the input signal in good fidelity by keepintg phase change to the ratio of 2/μ against the maximum variation of the single polartity signal, as the phases of the carrier wave is amplitude modulated against the single polarity signal like the facsimile signal which contains a meadium tone.
COPYRIGHT: (C)1977,JPO&Japio
JP51031113A 1976-03-22 1976-03-22 Amplitude single phase modulation method Expired JPS5813072B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51031113A JPS5813072B2 (en) 1976-03-22 1976-03-22 Amplitude single phase modulation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51031113A JPS5813072B2 (en) 1976-03-22 1976-03-22 Amplitude single phase modulation method

Publications (2)

Publication Number Publication Date
JPS52114252A true JPS52114252A (en) 1977-09-24
JPS5813072B2 JPS5813072B2 (en) 1983-03-11

Family

ID=12322335

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51031113A Expired JPS5813072B2 (en) 1976-03-22 1976-03-22 Amplitude single phase modulation method

Country Status (1)

Country Link
JP (1) JPS5813072B2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091212A (en) * 1973-12-12 1975-07-21

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5091212A (en) * 1973-12-12 1975-07-21

Also Published As

Publication number Publication date
JPS5813072B2 (en) 1983-03-11

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