CA1197904A - Synchronous envelope detector - Google Patents

Synchronous envelope detector

Info

Publication number
CA1197904A
CA1197904A CA000408739A CA408739A CA1197904A CA 1197904 A CA1197904 A CA 1197904A CA 000408739 A CA000408739 A CA 000408739A CA 408739 A CA408739 A CA 408739A CA 1197904 A CA1197904 A CA 1197904A
Authority
CA
Canada
Prior art keywords
phase
signal
carrier
quadrature
envelope detector
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
CA000408739A
Other languages
English (en)
French (fr)
Inventor
Leonard R. Kahn
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
Application granted granted Critical
Publication of CA1197904A publication Critical patent/CA1197904A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00—Demodulation of amplitude-modulated oscillations
    • H03D1/22—Homodyne or synchrodyne circuits
    • H03D1/2245—Homodyne or synchrodyne circuits using two quadrature channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Control Of Eletrric Generators (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CA000408739A 1981-08-31 1982-08-04 Synchronous envelope detector Expired CA1197904A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29789581A 1981-08-31 1981-08-31
US297,895 1981-08-31

Publications (1)

Publication Number Publication Date
CA1197904A true CA1197904A (en) 1985-12-10

Family

ID=23148171

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000408739A Expired CA1197904A (en) 1981-08-31 1982-08-04 Synchronous envelope detector

Country Status (13)

Country Link
JP (1) JPS5846704A (ko)
KR (1) KR880000869B1 (ko)
AU (1) AU550418B2 (ko)
BR (1) BR8205084A (ko)
CA (1) CA1197904A (ko)
DE (1) DE3230606A1 (ko)
FR (1) FR2512291B1 (ko)
GB (1) GB2105130B (ko)
IN (1) IN157383B (ko)
MX (1) MX153217A (ko)
NL (1) NL8203256A (ko)
NZ (1) NZ201230A (ko)
ZA (1) ZA825531B (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1212806B (it) * 1983-12-30 1989-11-30 Ates Componenti Elettron Demodulatore sincrono per segnali modulati in ampiezza.
SE456372B (sv) * 1984-04-06 1988-09-26 Bt Ind Ab Forfarande for att hos en operatorlos maskin detektera hinder
AT391233B (de) * 1984-07-25 1990-09-10 Sat Systeme Automatisierung Wechselstromtelegraphiesignals, repraesentativen bewertungssignals
JPS61171207A (ja) * 1985-01-25 1986-08-01 Nec Corp 受信機
GB8606003D0 (en) * 1986-03-11 1986-04-16 Secr Defence Interference suppression
GB2192104A (en) * 1986-06-27 1987-12-31 Philips Electronic Associated Superheterodyne radio receiver
GB2295513B (en) * 1994-11-22 1998-07-08 Edward Charles Forster AM demodulator for I/Q receivers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792364A (en) * 1972-08-03 1974-02-12 Sangamo Electric Co Method and apparatus for detecting absolute value amplitude of am suppressed carrier signals
US3939424A (en) * 1973-09-08 1976-02-17 Sony Corporation Radio receiver with a phase locked loop for a demodulator
US4018994A (en) * 1974-07-10 1977-04-19 Kahn Leonard R Compatible AM stereophonic receivers
JPS52147995A (en) * 1976-06-02 1977-12-08 Mitsubishi Electric Corp Radar unit
JPS5484964A (en) * 1977-12-19 1979-07-06 Matsushita Electric Ind Co Ltd Detector of amplitude-modulated wave

Also Published As

Publication number Publication date
FR2512291A1 (fr) 1983-03-04
AU550418B2 (en) 1986-03-20
NZ201230A (en) 1985-12-13
JPS5846704A (ja) 1983-03-18
KR880000869B1 (ko) 1988-05-26
KR840001412A (ko) 1984-04-30
ZA825531B (en) 1983-11-30
BR8205084A (pt) 1983-08-09
AU8578682A (en) 1983-03-10
DE3230606A1 (de) 1983-04-28
IN157383B (ko) 1986-03-15
GB2105130B (en) 1985-02-27
GB2105130A (en) 1983-03-16
NL8203256A (nl) 1983-03-16
FR2512291B1 (fr) 1989-03-17
MX153217A (es) 1986-08-22

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Legal Events

Date Code Title Description
MKEX Expiry