DE3788086T2 - Signaltrennung l+r von l-r im BTSC-System. - Google Patents

Signaltrennung l+r von l-r im BTSC-System.

Info

Publication number
DE3788086T2
DE3788086T2 DE3788086T DE3788086T DE3788086T2 DE 3788086 T2 DE3788086 T2 DE 3788086T2 DE 3788086 T DE3788086 T DE 3788086T DE 3788086 T DE3788086 T DE 3788086T DE 3788086 T2 DE3788086 T2 DE 3788086T2
Authority
DE
Germany
Prior art keywords
signal separation
btsc system
btsc
separation
signal
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
DE3788086T
Other languages
English (en)
Other versions
DE3788086D1 (de
Inventor
Scott Eugene Zink
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.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of DE3788086D1 publication Critical patent/DE3788086D1/de
Publication of DE3788086T2 publication Critical patent/DE3788086T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—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
DE3788086T 1986-07-07 1987-07-03 Signaltrennung l+r von l-r im BTSC-System. Expired - Fee Related DE3788086T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/882,753 US4757538A (en) 1986-07-07 1986-07-07 Separation of L+R from L-R in BTSC system

Publications (2)

Publication Number Publication Date
DE3788086D1 DE3788086D1 (de) 1993-12-16
DE3788086T2 true DE3788086T2 (de) 1994-05-19

Family

ID=25381266

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3788086T Expired - Fee Related DE3788086T2 (de) 1986-07-07 1987-07-03 Signaltrennung l+r von l-r im BTSC-System.

Country Status (6)

Country Link
US (1) US4757538A (de)
EP (1) EP0252452B1 (de)
JP (1) JPH0681109B2 (de)
CA (1) CA1289080C (de)
DE (1) DE3788086T2 (de)
DK (1) DK345787A (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4893341A (en) * 1989-08-01 1990-01-09 At&E Corporation Digital receiver operating at sub-nyquist sampling rate
US5051152A (en) * 1989-09-26 1991-09-24 Air Products And Chemicals, Inc. Preparation of urethane prepolymers having low levels of residual toluene diisocyanate
US5054070A (en) * 1990-03-05 1991-10-01 Qei Corporation Stereo signal communication system and method
US5239585A (en) * 1991-07-30 1993-08-24 Texas Instruments Incorporated Devices, systems, and methods for composite signal decoding
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) * 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6757659B1 (en) * 1998-11-16 2004-06-29 Victor Company Of Japan, Ltd. Audio signal processing apparatus
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
GB2369512A (en) * 2000-10-07 2002-05-29 Motorola Inc Signal separation of spectrally close frequencies
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
JP2006508571A (ja) * 2002-11-19 2006-03-09 ケーブル エレクトロニクス インコーポレーテッド Ｍｔｓ信号のデジタル復号化方法およびシステム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282401A (en) * 1970-12-24 1981-08-04 Sansui Electric Company System for transmission and reception of discrete four channel stereo
US4502148A (en) * 1981-06-26 1985-02-26 Pioneer Electronic Corporation FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal
US4497063A (en) * 1981-06-26 1985-01-29 Pioneer Electronic Corporation FM stereo demodulator
JPS5943644A (ja) * 1982-09-04 1984-03-10 Pioneer Electronic Corp Ｆｍステレオ復調回路
JPS60128732A (ja) * 1983-12-16 1985-07-09 Nec Corp ステレオ複号信号復調器
JPS62219830A (ja) * 1986-03-20 1987-09-28 Sony Corp Ｆｍステレオ復調回路

Also Published As

Publication number Publication date
US4757538A (en) 1988-07-12
CA1289080C (en) 1991-09-17
JPS6315600A (ja) 1988-01-22
EP0252452A3 (en) 1990-11-07
EP0252452A2 (de) 1988-01-13
EP0252452B1 (de) 1993-11-10
JPH0681109B2 (ja) 1994-10-12
DK345787A (da) 1988-01-08
DE3788086D1 (de) 1993-12-16
DK345787D0 (da) 1987-07-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee