DE69032520T2 - RF-Modulator - Google Patents

RF-Modulator

Info

Publication number
DE69032520T2
DE69032520T2 DE69032520T DE69032520T DE69032520T2 DE 69032520 T2 DE69032520 T2 DE 69032520T2 DE 69032520 T DE69032520 T DE 69032520T DE 69032520 T DE69032520 T DE 69032520T DE 69032520 T2 DE69032520 T2 DE 69032520T2
Authority
DE
Germany
Prior art keywords
modulator
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
DE69032520T
Other languages
English (en)
Other versions
DE69032520D1 (de
Inventor
Nobuyuki Ishikawa
Hiroshi Higuchi
Hisaaki Narahara
Shinichi Tanabe
Fumio Ishikawa
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.)
Sony Corp
Original Assignee
Sony 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
Priority claimed from JP1317590A external-priority patent/JP2811841B2/ja
Priority claimed from JP31759189A external-priority patent/JP2844761B2/ja
Priority claimed from JP34389089A external-priority patent/JP2844781B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of DE69032520D1 publication Critical patent/DE69032520D1/de
Application granted granted Critical
Publication of DE69032520T2 publication Critical patent/DE69032520T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • H04N5/40—Modulation circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
DE69032520T 1989-12-08 1990-12-07 RF-Modulator Expired - Lifetime DE69032520T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1317590A JP2811841B2 (ja) 1989-12-08 1989-12-08 Ｐｌｌを用いた変調器
JP31759189A JP2844761B2 (ja) 1989-12-08 1989-12-08 Ｒｆモジュレータ
JP34389089A JP2844781B2 (ja) 1989-12-29 1989-12-29 Ｒｆモジュレータ

Publications (2)

Publication Number Publication Date
DE69032520D1 DE69032520D1 (de) 1998-09-03
DE69032520T2 true DE69032520T2 (de) 1999-03-04

Family

ID=27339603

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69032520T Expired - Lifetime DE69032520T2 (de) 1989-12-08 1990-12-07 RF-Modulator

Country Status (4)

Country Link
US (1) US5079525A (de)
EP (1) EP0432052B1 (de)
KR (1) KR100196250B1 (de)
DE (1) DE69032520T2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1156605A3 (de) * 1991-10-21 2004-02-04 Nec Corporation Optisches Übertragungssystem
GB2273216B (en) * 1992-12-03 1996-10-30 Motorola Inc A modulator circuit
US5467141A (en) * 1992-02-20 1995-11-14 Motorola, Inc. Modulator circuit for use with a plurality of operating standards
KR950003637B1 (ko) * 1992-12-03 1995-04-17 삼성전자 주식회사 주파수 변조장치
US5535229A (en) * 1993-05-10 1996-07-09 Global Interconnect, Corp. Digital data transfer system for use especially with advertisement insertion systems
US5461347A (en) * 1994-01-24 1995-10-24 Quantum Optics Corporation Apparatus and method for geometrically modulating electromagnetic radiation and a receiver for decoding geometrically modulated signals
US5563556A (en) 1994-01-24 1996-10-08 Quantum Optics Corporation Geometrically modulated waves
GB9521345D0 (en) * 1995-10-18 1995-12-20 Plessey Semiconductors Ltd Video modulator arrangements
JP3377664B2 (ja) * 1995-11-09 2003-02-17 アルプス電気株式会社 Ｒｆモジュレータ
FR2743232B1 (fr) * 1995-12-29 1998-01-30 Thomson Multimedia Sa Procede et dispositif de transmission sans fil
JP3766739B2 (ja) * 1996-09-13 2006-04-19 シャープ株式会社 ディジタル光送信装置およびディジタル光受信装置
KR100492989B1 (ko) * 1997-10-28 2005-09-02 삼성전자주식회사 Rf 모듈레이터
KR100459692B1 (ko) * 1998-01-14 2005-04-06 삼성전자주식회사 위상 동기 루프를 이용한 무선 주파수 변조 장치
EP0957635B1 (de) * 1998-05-15 2009-10-07 Nxp B.V. Filterschaltung
DE19855292C1 (de) * 1998-11-24 2000-10-05 Jens Kurrat Digitales Funkkopfhöhrersystem
US6433830B1 (en) * 1999-06-14 2002-08-13 General Instrument Corporation Off-air phase lock technique
JP3891421B2 (ja) * 2002-10-16 2007-03-14 ソニー株式会社 電子回路、変調方法、並びに、情報処理装置および方法
US8253750B1 (en) * 2004-02-14 2012-08-28 Nvidia Corporation Digital media processor
KR100550875B1 (ko) * 2004-02-27 2006-02-10 삼성전기주식회사 협대역 밴드패스 필터를 포함하는 고주파 모듈레이터
JP4469758B2 (ja) * 2005-07-04 2010-05-26 パナソニック株式会社 音声処理装置
KR100977198B1 (ko) * 2008-12-29 2010-08-20 (주)해네임 진폭변조신호와 주파수변조신호의 위상차 검출 장치 및 그 방법
WO2012008812A2 (ko) * 2010-07-16 2012-01-19 엘지전자 주식회사 무선 통신 시스템에서 비주기적 사운딩 참조 신호 전송 방법 및 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3775554A (en) * 1972-08-31 1973-11-27 Rca Corp Modulator system
JPS61177006A (ja) * 1985-01-31 1986-08-08 Sony Corp Ａｍ変調器
US4816781A (en) * 1987-06-22 1989-03-28 General Instrument Corporation FM modulator

Also Published As

Publication number Publication date
US5079525A (en) 1992-01-07
KR910013683A (ko) 1991-08-08
EP0432052B1 (de) 1998-07-29
EP0432052A2 (de) 1991-06-12
DE69032520D1 (de) 1998-09-03
EP0432052A3 (en) 1991-10-02
KR100196250B1 (ko) 1999-06-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition