GB2202715B - Minimum relative shift keying - Google Patents

Minimum relative shift keying

Info

Publication number
GB2202715B
GB2202715B GB8706893A GB8706893A GB2202715B GB 2202715 B GB2202715 B GB 2202715B GB 8706893 A GB8706893 A GB 8706893A GB 8706893 A GB8706893 A GB 8706893A GB 2202715 B GB2202715 B GB 2202715B
Authority
GB
United Kingdom
Prior art keywords
shift keying
relative shift
minimum relative
minimum
keying
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 - Lifetime
Application number
GB8706893A
Other versions
GB2202715A (en
GB8706893D0 (en
Inventor
Dr Frank Robert Connor
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8706893A priority Critical patent/GB2202715B/en
Publication of GB8706893D0 publication Critical patent/GB8706893D0/en
Publication of GB2202715A publication Critical patent/GB2202715A/en
Application granted granted Critical
Publication of GB2202715B publication Critical patent/GB2202715B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
GB8706893A 1987-03-24 1987-03-24 Minimum relative shift keying Expired - Lifetime GB2202715B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8706893A GB2202715B (en) 1987-03-24 1987-03-24 Minimum relative shift keying

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8706893A GB2202715B (en) 1987-03-24 1987-03-24 Minimum relative shift keying

Publications (3)

Publication Number Publication Date
GB8706893D0 GB8706893D0 (en) 1987-04-29
GB2202715A GB2202715A (en) 1988-09-28
GB2202715B true GB2202715B (en) 1991-03-20

Family

ID=10614474

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8706893A Expired - Lifetime GB2202715B (en) 1987-03-24 1987-03-24 Minimum relative shift keying

Country Status (1)

Country Link
GB (1) GB2202715B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674659A1 (en) * 1991-03-29 1992-10-02 Renishan Metrology Ltd SIGNAL TRANSMISSION DEVICE FOR TRIGGERED PROBE.

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001218A (en) * 1977-05-12 1979-01-24 Post Office Improvements in phase shift keyed systems
GB2063629A (en) * 1979-11-16 1981-06-03 Gen Electric Co Ltd Digital data transmission systems
GB2136250A (en) * 1983-02-04 1984-09-12 Mcmichael Ltd Demodulators
EP0159560A1 (en) * 1984-03-28 1985-10-30 Nec Corporation PSK demodulator having an AFC circuit
WO1986000186A1 (en) * 1984-06-08 1986-01-03 Independent Broadcasting Authority Circuit for demodulating phase shift keyed signals
GB2161678A (en) * 1984-07-10 1986-01-15 Toshiba Kk Carrier reproducing circuit for phase shift keying signals

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2001218A (en) * 1977-05-12 1979-01-24 Post Office Improvements in phase shift keyed systems
GB2063629A (en) * 1979-11-16 1981-06-03 Gen Electric Co Ltd Digital data transmission systems
GB2136250A (en) * 1983-02-04 1984-09-12 Mcmichael Ltd Demodulators
EP0159560A1 (en) * 1984-03-28 1985-10-30 Nec Corporation PSK demodulator having an AFC circuit
WO1986000186A1 (en) * 1984-06-08 1986-01-03 Independent Broadcasting Authority Circuit for demodulating phase shift keyed signals
GB2161678A (en) * 1984-07-10 1986-01-15 Toshiba Kk Carrier reproducing circuit for phase shift keying signals

Also Published As

Publication number Publication date
GB2202715A (en) 1988-09-28
GB8706893D0 (en) 1987-04-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930324