CA960757A - Synchronous detecting device - Google Patents

Synchronous detecting device

Info

Publication number
CA960757A
CA960757A CA120,173A CA120173A CA960757A CA 960757 A CA960757 A CA 960757A CA 120173 A CA120173 A CA 120173A CA 960757 A CA960757 A CA 960757A
Authority
CA
Canada
Prior art keywords
detecting device
synchronous detecting
synchronous
detecting
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.)
Expired
Application number
CA120,173A
Other languages
English (en)
Other versions
CA120173S (en
Inventor
Noriyasu Toyonaga
Hiroshi Nakamura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of CA960757A publication Critical patent/CA960757A/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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals
    • H04L27/2278—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals using correlation techniques, e.g. for spread spectrum signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA120,173A 1970-08-10 1971-08-10 Synchronous detecting device Expired CA960757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45069877A JPS5119749B1 (de) 1970-08-10 1970-08-10

Publications (1)

Publication Number Publication Date
CA960757A true CA960757A (en) 1975-01-07

Family

ID=13415433

Family Applications (1)

Application Number Title Priority Date Filing Date
CA120,173A Expired CA960757A (en) 1970-08-10 1971-08-10 Synchronous detecting device

Country Status (6)

Country Link
US (1) US3745458A (de)
JP (1) JPS5119749B1 (de)
CA (1) CA960757A (de)
DE (1) DE2138404C3 (de)
FR (1) FR2102160B1 (de)
GB (1) GB1356451A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52142408A (en) * 1976-05-21 1977-11-28 Nec Corp Clock extracting device in double two phase modulation system
JPS55132164A (en) * 1979-03-30 1980-10-14 Nec Corp Carrier regenerating circuit for psk demodulator
US5875396A (en) * 1995-11-13 1999-02-23 Wytec, Incorporated Multichannel radio frequency transmission system to deliver wideband digital data into independent sectorized service areas
US9009503B2 (en) 2012-07-05 2015-04-14 International Business Machines Corporation Branch circuit determination without external synchronization
KR102543233B1 (ko) * 2020-05-19 2023-06-14 한국전자통신연구원 주파수 체배 장치 및 주파수 체배 방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2665420A (en) * 1949-04-19 1954-01-05 Sun Oil Co Radiant energy system for distance measuring
US3524023A (en) * 1966-07-14 1970-08-11 Milgo Electronic Corp Band limited telephone line data communication system

Also Published As

Publication number Publication date
DE2138404B2 (de) 1973-06-28
FR2102160B1 (de) 1975-07-11
US3745458A (en) 1973-07-10
JPS5119749B1 (de) 1976-06-19
DE2138404C3 (de) 1974-01-24
FR2102160A1 (de) 1972-04-07
DE2138404A1 (de) 1972-02-17
GB1356451A (en) 1974-06-12

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