DK174604B1 - Omskifterkredsløb - Google Patents

Omskifterkredsløb Download PDF

Info

Publication number
DK174604B1
DK174604B1 DK198906713A DK671389A DK174604B1 DK 174604 B1 DK174604 B1 DK 174604B1 DK 198906713 A DK198906713 A DK 198906713A DK 671389 A DK671389 A DK 671389A DK 174604 B1 DK174604 B1 DK 174604B1
Authority
DK
Denmark
Prior art keywords
signals
nicam
signal
mute
audio
Prior art date
Application number
DK198906713A
Other languages
Danish (da)
English (en)
Other versions
DK671389A (da
DK671389D0 (da
Inventor
Roger Harrison
David William Walton
Original Assignee
Ferguson Ltd
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 Ferguson Ltd filed Critical Ferguson Ltd
Publication of DK671389A publication Critical patent/DK671389A/da
Publication of DK671389D0 publication Critical patent/DK671389D0/da
Application granted granted Critical
Publication of DK174604B1 publication Critical patent/DK174604B1/da

Links

Classifications

    • 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
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will

Landscapes

  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Television Receiver Circuits (AREA)
  • Electronic Switches (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Details Of Television Scanning (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuits Of Receivers In General (AREA)
  • Color Television Image Signal Generators (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Studio Circuits (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
DK198906713A 1988-04-28 1989-12-28 Omskifterkredsløb DK174604B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8810048 1988-04-28
GB888810048A GB8810048D0 (en) 1988-04-28 1988-04-28 Switching circuity
GB8900443 1989-04-26
PCT/GB1989/000443 WO1989010671A1 (fr) 1988-04-28 1989-04-26 Circuits de commutation

Publications (3)

Publication Number Publication Date
DK671389A DK671389A (da) 1989-12-28
DK671389D0 DK671389D0 (da) 1989-12-28
DK174604B1 true DK174604B1 (da) 2003-07-14

Family

ID=10636016

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198906713A DK174604B1 (da) 1988-04-28 1989-12-28 Omskifterkredsløb

Country Status (14)

Country Link
US (1) US5012516A (fr)
EP (1) EP0344905B1 (fr)
JP (1) JPH03500236A (fr)
KR (1) KR970010390B1 (fr)
AT (1) ATE124587T1 (fr)
CA (1) CA1316256C (fr)
DE (1) DE68923224T2 (fr)
DK (1) DK174604B1 (fr)
ES (1) ES2076207T3 (fr)
FI (1) FI92539C (fr)
GB (1) GB8810048D0 (fr)
HK (1) HK80197A (fr)
MY (1) MY104439A (fr)
WO (1) WO1989010671A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920002446Y1 (ko) * 1989-12-21 1992-04-13 삼성전자 주식회사 듀얼 Nicam 데코더 회로
GB2255693A (en) * 1991-05-02 1992-11-11 Texas Instruments Ltd A digital data decoder
US5157353A (en) * 1991-05-03 1992-10-20 Thomson Consumer Electronics, Inc. Audio system with transient tracking dual voltage power supply
KR940005936B1 (ko) * 1991-12-16 1994-06-24 주식회사 금성사 복합 디지탈 방송방식의 오디오 자동선국 시스템
JP2969242B2 (ja) * 1993-11-30 1999-11-02 赤井電機株式会社 テレビ受信装置
DE4427396A1 (de) * 1994-08-03 1996-02-08 Thomson Brandt Gmbh Verfahren zur Verarbeitung von digitalen und analogen Eingangssignalen
US5793799A (en) * 1994-08-03 1998-08-11 Deutsche Thomson-Brandt Gmbh Switchable circuit for processing and demodulating digital and analog signals
US8073418B2 (en) * 2008-08-04 2011-12-06 Mediatek Inc. Receiving systems and methods for audio processing
US8184212B2 (en) * 2009-07-28 2012-05-22 Himax Media Solutions, Inc. Sound intermediate frequency demodulator and sound intermediate frequency detecting method thereof
TWI478582B (zh) * 2009-08-11 2015-03-21 Himax Media Solutions Inc 聲音中頻解調器及其聲音中頻檢測方法
CN101998089B (zh) * 2009-08-19 2013-07-31 承景科技股份有限公司 声音中频解调器及其声音中频检测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991374A (en) * 1975-02-26 1976-11-09 General Electric Company Controllable bandwidth IF filter circuit for radio receivers
JPS5610021Y2 (fr) * 1975-05-28 1981-03-05
JPS5822355Y2 (ja) * 1978-11-29 1983-05-13 ソニー株式会社 音声多重信号再生装置
GB2124060A (en) * 1982-07-12 1984-02-08 Spt Video Limited Improvements in or relating to circuit arrangements for automatic selection of television sound frequency
EP0208425A3 (fr) * 1985-06-13 1988-01-13 Devon County Council Transmission par la sous-porteuse de signaux de télévision
JPS621441U (fr) * 1985-06-20 1987-01-07

Also Published As

Publication number Publication date
KR900701118A (ko) 1990-08-17
DK671389A (da) 1989-12-28
EP0344905B1 (fr) 1995-06-28
FI896285A0 (fi) 1989-12-27
KR970010390B1 (ko) 1997-06-25
US5012516A (en) 1991-04-30
CA1316256C (fr) 1993-04-13
WO1989010671A1 (fr) 1989-11-02
GB8810048D0 (en) 1988-06-02
FI92539C (fi) 1994-11-25
MY104439A (en) 1994-03-31
ATE124587T1 (de) 1995-07-15
DK671389D0 (da) 1989-12-28
DE68923224T2 (de) 1995-11-09
HK80197A (en) 1997-06-20
DE68923224D1 (de) 1995-08-03
FI92539B (fi) 1994-08-15
EP0344905A1 (fr) 1989-12-06
ES2076207T3 (es) 1995-11-01
JPH03500236A (ja) 1991-01-17

Similar Documents

Publication Publication Date Title
DK174604B1 (da) Omskifterkredsløb
CA1110706A (fr) Dispositif de synchronisation pour systeme de communication bidirectionnel
US4134127A (en) Color television signal including auxiliary information
AU595037B2 (en) A digital signal transmitting system
KR100209461B1 (ko) 방송방식 판별 텔레비전 수상기
US4975775A (en) Tuner for receiving television signal in frequency division multiplex system and television signal in time division multiplex system
JPH0370337A (ja) 副信号伝送方式
JPS5822892B2 (ja) ４ チヤンネルステレオゴウセイシンゴウノ ハンベツカイロ
US4498170A (en) Time divided digital signal transmission system
US4829377A (en) Horizontal synchronization, clock synchronization, D. C. restoration and gain control scheme for an analog TV system
JPS5917589B2 (ja) 多重信号復調装置
JP2752388B2 (ja) Ｒｄｓ受信機におけるデータ復調回路
RU2033695C1 (ru) Многоканальное приемопередающее устройство с временным разделением цифровых асинхронных каналов
NO174080B (no) Svitsjekrets
JP3164352B2 (ja) テレビジョン受信装置
JP3207283B2 (ja) Ｆｍ多重受信機のデータ誤認識防止回路
KR0177206B1 (ko) 아날로그 및 디지털 음성다중 2캐리어 시스템과 그 복호기 및 그 부호화기
JP2596559B2 (ja) ラジオデータシステムにおける局周波数データ伝送方式の判別方法
KR100339523B1 (ko) 광스크린데이타검출장치
EP0717907B1 (fr) Procede et dispositif de codage et de decodage pour un systeme de television a canaux multiples
JPH0648806B2 (ja) 信号多重装置
JP2596560B2 (ja) ラジオデータシステムにおけるネットワーク局情報の選択記憶方法
JP2596558B2 (ja) ラジオデータシステムにおける局周波数データ伝送方式の判別方法
JP2725270B2 (ja) テレビジョン受像機
JP2778378B2 (ja) 通信システム

Legal Events

Date Code Title Description
PBP Patent lapsed

Country of ref document: DK