JPS52109811A - Amplitude phase modulation communication system - Google Patents

Amplitude phase modulation communication system

Info

Publication number
JPS52109811A
JPS52109811A JP1631976A JP1631976A JPS52109811A JP S52109811 A JPS52109811 A JP S52109811A JP 1631976 A JP1631976 A JP 1631976A JP 1631976 A JP1631976 A JP 1631976A JP S52109811 A JPS52109811 A JP S52109811A
Authority
JP
Japan
Prior art keywords
communication system
phase modulation
amplitude phase
modulation communication
modulation
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
JP1631976A
Other languages
Japanese (ja)
Other versions
JPS5524826B2 (en
Inventor
Izumi Horikawa
Yoichi Saito
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 JP1631976A priority Critical patent/JPS52109811A/en
Publication of JPS52109811A publication Critical patent/JPS52109811A/en
Publication of JPS5524826B2 publication Critical patent/JPS5524826B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

PURPOSE:To make simple for the constitution of modulation and demodulating unit, by using 4 notation system differential conversion logic circuit, in phase modulating system arranging the signal in lattice shape.
JP1631976A 1976-02-16 1976-02-16 Amplitude phase modulation communication system Granted JPS52109811A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1631976A JPS52109811A (en) 1976-02-16 1976-02-16 Amplitude phase modulation communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1631976A JPS52109811A (en) 1976-02-16 1976-02-16 Amplitude phase modulation communication system

Publications (2)

Publication Number Publication Date
JPS52109811A true JPS52109811A (en) 1977-09-14
JPS5524826B2 JPS5524826B2 (en) 1980-07-01

Family

ID=11913164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1631976A Granted JPS52109811A (en) 1976-02-16 1976-02-16 Amplitude phase modulation communication system

Country Status (1)

Country Link
JP (1) JPS52109811A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539494A (en) * 1978-08-21 1980-03-19 Univ Illinois High speed demodulator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5823489U (en) * 1981-08-07 1983-02-14 オンキヨー株式会社 head horn
JPS5823490U (en) * 1981-08-07 1983-02-14 オンキヨー株式会社 head horn
JPS58172291U (en) * 1982-05-13 1983-11-17 星電器製造株式会社 Headset

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539494A (en) * 1978-08-21 1980-03-19 Univ Illinois High speed demodulator

Also Published As

Publication number Publication date
JPS5524826B2 (en) 1980-07-01

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