BR9908174A - Método e circuito para demodulação de am - Google Patents

Método e circuito para demodulação de am

Info

Publication number
BR9908174A
BR9908174A BR9908174-1A BR9908174A BR9908174A BR 9908174 A BR9908174 A BR 9908174A BR 9908174 A BR9908174 A BR 9908174A BR 9908174 A BR9908174 A BR 9908174A
Authority
BR
Brazil
Prior art keywords
signal
fed
input
mixer
circuit
Prior art date
Application number
BR9908174-1A
Other languages
English (en)
Portuguese (pt)
Inventor
Freddy Petersen
Arne Midtgaard
Heine Ewi Pedersen
Original Assignee
Tss Traffic Supervision System
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 Tss Traffic Supervision System filed Critical Tss Traffic Supervision System
Publication of BR9908174A publication Critical patent/BR9908174A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Near-Field Transmission Systems (AREA)
BR9908174-1A 1998-02-23 1999-02-23 Método e circuito para demodulação de am BR9908174A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK24798A DK24798A (da) 1998-02-23 1998-02-23 Fremgangsmåde til simultan AM-demodulering af data og signaler der opstår ved vekselvirkning med metal
PCT/DK1999/000076 WO1999043132A2 (en) 1998-02-23 1999-02-23 A method and a circuit for am demodulation

Publications (1)

Publication Number Publication Date
BR9908174A true BR9908174A (pt) 2000-10-31

Family

ID=8091396

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9908174-1A BR9908174A (pt) 1998-02-23 1999-02-23 Método e circuito para demodulação de am

Country Status (8)

Country Link
EP (1) EP1050141A2 (da)
JP (1) JP2003527754A (da)
CN (1) CN1292189A (da)
AU (1) AU2412199A (da)
BR (1) BR9908174A (da)
CA (1) CA2320699A1 (da)
DK (1) DK24798A (da)
WO (1) WO1999043132A2 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4680093B2 (ja) * 2006-02-27 2011-05-11 三菱電機株式会社 電子タグシステム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4147973A (en) * 1976-12-20 1979-04-03 Weber Harold J Frequency dependent amplitude modulated translator apparatus
SU1150596A1 (ru) * 1983-10-27 1985-04-15 Всесоюзный Научно-Исследовательский Институт Геофизических Методов Разведки Сейсмоприемное устройство
US5257403A (en) * 1989-07-20 1993-10-26 Scientific-Atlanta, Inc. Method of subcarrier multiplication which preserves AM Information in FM systems
DE4103234C2 (de) * 1991-02-02 1994-07-14 Beha C Gmbh Verfahren und Leitungssucher zum berührungslosen Suchen und Identifizieren von elektrischen Leitungen
EP0919002A1 (en) * 1996-08-16 1999-06-02 Jon Neal Weaver Anti-shoplifting security system

Also Published As

Publication number Publication date
WO1999043132A2 (en) 1999-08-26
EP1050141A2 (en) 2000-11-08
CA2320699A1 (en) 1999-08-26
WO1999043132A3 (en) 1999-10-28
JP2003527754A (ja) 2003-09-16
DK24798A (da) 1998-03-03
CN1292189A (zh) 2001-04-18
AU2412199A (en) 1999-09-06

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired