DE3787760D1 - Schaltung zum Multiplizieren eines Signals mit einer periodischen Wellenform. - Google Patents

Schaltung zum Multiplizieren eines Signals mit einer periodischen Wellenform.

Info

Publication number
DE3787760D1
DE3787760D1 DE87305660T DE3787760T DE3787760D1 DE 3787760 D1 DE3787760 D1 DE 3787760D1 DE 87305660 T DE87305660 T DE 87305660T DE 3787760 T DE3787760 T DE 3787760T DE 3787760 D1 DE3787760 D1 DE 3787760D1
Authority
DE
Germany
Prior art keywords
multiplying
circuit
signal
periodic waveform
waveform
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 - Fee Related
Application number
DE87305660T
Other languages
English (en)
Other versions
DE3787760T2 (de
Inventor
Charles Benjamin Dieterich
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.)
RCA Licensing Corp
Original Assignee
RCA Licensing 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 RCA Licensing Corp filed Critical RCA Licensing Corp
Publication of DE3787760D1 publication Critical patent/DE3787760D1/de
Application granted granted Critical
Publication of DE3787760T2 publication Critical patent/DE3787760T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/006—Signal sampling
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0066—Mixing
    • H03D2200/0068—Mixing by computation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0066—Mixing
    • H03D2200/0078—Mixing using a switched phase shifter or delay line

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Complex Calculations (AREA)
  • Amplitude Modulation (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE87305660T 1986-06-30 1987-06-25 Schaltung zum Multiplizieren eines Signals mit einer periodischen Wellenform. Expired - Fee Related DE3787760T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/879,979 US4727333A (en) 1986-06-30 1986-06-30 Circuitry for multiplying a PCM signal by a sinusoid

Publications (2)

Publication Number Publication Date
DE3787760D1 true DE3787760D1 (de) 1993-11-18
DE3787760T2 DE3787760T2 (de) 1994-04-14

Family

ID=25375273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87305660T Expired - Fee Related DE3787760T2 (de) 1986-06-30 1987-06-25 Schaltung zum Multiplizieren eines Signals mit einer periodischen Wellenform.

Country Status (7)

Country Link
US (1) US4727333A (de)
EP (1) EP0251703B1 (de)
JP (1) JPH0750845B2 (de)
KR (1) KR970008534B1 (de)
CA (1) CA1267698A (de)
DE (1) DE3787760T2 (de)
ES (1) ES2043658T3 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE190241T1 (de) * 1991-11-26 2000-03-15 Engelhard Corp Ceroxid-aluminiumoxid enthaltender oxidationskatalysator und verfahren zur anwendung.
JP4087897B2 (ja) * 1991-11-26 2008-05-21 バスフ・カタリスツ・エルエルシー 改良された酸化触媒および使用方法
US5604768A (en) * 1992-01-09 1997-02-18 Cellnet Data Systems, Inc. Frequency synchronized bidirectional radio system
US5377232A (en) * 1992-01-09 1994-12-27 Cellnet Data Systems, Inc. Frequency synchronized bidirectional radio system
US6248684B1 (en) 1992-11-19 2001-06-19 Englehard Corporation Zeolite-containing oxidation catalyst and method of use
KR100387042B1 (ko) * 1995-12-30 2003-08-14 삼성전자주식회사 톤신호발생장치
KR20020080669A (ko) * 2001-04-17 2002-10-26 (주)한일정보비젼 원격강의 시스템의 전자펜
EP1339230A3 (de) * 2002-02-26 2004-11-24 Broadcom Corporation Audiosignalskalierungeinstellung mit Hilfe eines Pilotsignales
US6832078B2 (en) 2002-02-26 2004-12-14 Broadcom Corporation Scaling adjustment using pilot signal
JP4161913B2 (ja) * 2004-02-16 2008-10-08 ソニー株式会社 正弦波乗算回路及び正弦波乗算方法
EP1605354A1 (de) * 2004-06-10 2005-12-14 Deutsche Thomson-Brandt Gmbh Methode und Apparat zum Verbessern der Synchronisierung einer Verarbeitungseinheit für Multimedia-streams in einer multi-threaded Umgebung
US7518661B2 (en) * 2005-09-30 2009-04-14 Sigmatel, Inc. System and method of audio detection
KR100783691B1 (ko) * 2006-05-11 2007-12-07 한국과학기술원 프리엠퍼시스를 가지는 직렬 전송 장치
US9561070B2 (en) * 2013-03-15 2017-02-07 St. Jude Medical, Cardiology Division, Inc. Ablation system, methods, and controllers
WO2014150432A1 (en) 2013-03-15 2014-09-25 St. Jude Medical, Cardiology Division, Inc. Ablation system, methods, and controllers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5731328B2 (de) * 1973-09-05 1982-07-03
JPS592216B2 (ja) * 1980-11-28 1984-01-17 ヤマハ株式会社 Ｆｍステレオ復調回路
NL8104668A (nl) * 1981-10-14 1983-05-02 Philips Nv Vermenigvuldigschakeling voor stereo-decoders.
NL8204687A (nl) * 1982-12-03 1984-07-02 Philips Nv Klokgestuurde filterinrichting.
EP0110427B1 (de) * 1982-12-07 1990-03-28 Josef Dirr Verfahren für die Übertragung von Nachrichten, bei dem die Codierung der Signale durch die Grösse der Amplituden der Halbwellen oder Perioden eines sinusförmigen Wechselstromes erfolgt
NL8302591A (nl) * 1983-07-20 1985-02-18 Philips Nv Vermenigvuldigschakeling met geschakelde capaciteiten circuits.
JPH0750846B2 (ja) * 1984-01-09 1995-05-31 ヒューレット・パッカード・カンパニー 信号検波回路
NL8401277A (nl) * 1984-04-19 1985-11-18 Philips Nv Fasevergrendelde lus met omschakelbare fasedetektor.

Also Published As

Publication number Publication date
ES2043658T3 (es) 1994-01-01
KR970008534B1 (ko) 1997-05-24
DE3787760T2 (de) 1994-04-14
EP0251703A2 (de) 1988-01-07
KR880000873A (ko) 1988-03-30
JPS6326131A (ja) 1988-02-03
JPH0750845B2 (ja) 1995-05-31
EP0251703A3 (en) 1989-07-26
US4727333A (en) 1988-02-23
EP0251703B1 (de) 1993-10-13
CA1267698A (en) 1990-04-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: WOERDEMANN, H., DIPL.-ING., PAT.-ANW., 31787 HAMELN

8339 Ceased/non-payment of the annual fee