MX9102875A - Aparato y metodo digital para medir la frecuencia de una señal de frecuencia intermedia. - Google Patents

Aparato y metodo digital para medir la frecuencia de una señal de frecuencia intermedia.

Info

Publication number: MX9102875A
Authority: MX; Mexico
Prior art keywords: measuring; digital apparatus; frequency; frequency signal; intermediate frequency
Prior art date: 1990-12-31

Application number

MX9102875A

Other languages

English (en)

Other versions

MX173800B (es

Inventor

Juri Nmn Tults

Original Assignee

Thomson Consumer Electronics

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.)

1990-12-31

Filing date

1991-12-30

Publication date

1992-06-01

1991-12-30 Application filed by Thomson Consumer Electronics filed Critical Thomson Consumer Electronics

1992-06-01 Publication of MX9102875A publication Critical patent/MX9102875A/es

1994-03-28 Publication of MX173800B publication Critical patent/MX173800B/es

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
- 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
- H04N5/50—Tuning indicators; Automatic tuning control
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/06—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers
- H03J7/065—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using counters or frequency dividers the counter or frequency divider being used in a phase locked loop

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Measuring Frequencies, Analyzing Spectra (AREA)
Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Television Receiver Circuits (AREA)
Circuits Of Receivers In General (AREA)

MX9102875A 1990-12-31 1991-12-30 Aparato y metodo digital para medir la frecuencia de una señal de frecuencia intermedia MX173800B (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/635,843 US5212554A (en)	1990-12-31	1990-12-31	Digital method and apparatus for evaluating a frequency parameter of an if signal

Publications (2)

Publication Number	Publication Date
MX9102875A true MX9102875A (es)	1992-06-01
MX173800B MX173800B (es)	1994-03-28

Family

ID=24549345

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
MX9102875A MX173800B (es)	1990-12-31	1991-12-30	Aparato y metodo digital para medir la frecuencia de una señal de frecuencia intermedia

Country Status (15)

Country	Link
US (1)	US5212554A (es)
EP (1)	EP0493755B1 (es)
JP (1)	JP2684133B2 (es)
KR (1)	KR100220306B1 (es)
CN (1)	CN1061504C (es)
BR (1)	BR9105501A (es)
CA (1)	CA2057083C (es)
DE (1)	DE69122597T2 (es)
ES (1)	ES2094185T3 (es)
FI (1)	FI105615B (es)
HU (1)	HU212522B (es)
MX (1)	MX173800B (es)
MY (1)	MY106646A (es)
SG (1)	SG85058A1 (es)
TR (1)	TR25852A (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR960014233B1 (ko) *	1993-11-05	1996-10-14	엘지전자 주식회사	텔레비젼의 자동미세 튜닝장치 및 그 방법
US5552838A (en) *	1993-12-24	1996-09-03	Kabushiki Kaisha Toshiba	Apparatus for tuning offset signals by controlling a tuner based on a difference in frequency of signals tuned by that tuner
FR2841067A1 (fr) *	2002-06-18	2003-12-19	Thomson Licensing Sa	Systeme de transmission a haute stabilite en frequence
US7693237B2 (en) *	2007-02-14	2010-04-06	Wilinx Corporation	Systems and methods for synchronizing wireless communication systems
CN102999459A (zh) *	2011-09-09	2013-03-27	上海华虹Nec电子有限公司	硅片测试机台与bist模块的通信方法
US9509353B2 (en) *	2014-08-20	2016-11-29	Nxp B.V.	Data processing device
KR101993552B1 (ko) *	2018-01-29	2019-06-26	고려대학교 산학협력단	헤테로다인 구조의 주파수 고정 루프
CN111200469A (zh) *	2018-11-19	2020-05-26	联发科技股份有限公司	调频频道侦测电路及相关的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4031549A (en) *	1976-05-21	1977-06-21	Rca Corporation	Television tuning system with provisions for receiving RF carrier at nonstandard frequency
US4387400A (en) *	1981-05-11	1983-06-07	Zenith Radio Corporation	Tuning system for a television receiver
US4485404A (en) *	1982-09-01	1984-11-27	Rca Corporation	Digital aft system which is activated during vertical retrace intervals
JPS61227484A (ja) *	1985-04-01	1986-10-09	Sony Corp	ビデオ信号検出回路
US4689685A (en) *	1986-01-31	1987-08-25	Rca Corporation	Television tuning system with AFT provisions
US4727591A (en) *	1986-09-04	1988-02-23	Arvin Industries, Inc.	Microprocessor controlled tuning system
US4868892A (en) *	1987-05-08	1989-09-19	Rca Licensing Corporation	Tuning system with provisions for calculating the local oscillator frequency from an aft characteristic
JPS6411408A (en) *	1987-07-03	1989-01-17	Nec Corp	Automatic frequency sweeping method for frequency synthesizer type channel selecting device
NL8801874A (nl) *	1988-07-26	1990-02-16	Philips Nv	Televisie-ontvanger met een afstemschakeling die een frequentiesyntheseschakeling bevat.

1990
- 1990-12-31 US US07/635,843 patent/US5212554A/en not_active Expired - Lifetime
1991
- 1991-12-05 CA CA002057083A patent/CA2057083C/en not_active Expired - Fee Related
- 1991-12-11 MY MYPI91002295A patent/MY106646A/en unknown
- 1991-12-13 HU HU913941A patent/HU212522B/hu not_active IP Right Cessation
- 1991-12-18 BR BR919105501A patent/BR9105501A/pt not_active IP Right Cessation
- 1991-12-20 EP EP91121901A patent/EP0493755B1/en not_active Expired - Lifetime
- 1991-12-20 ES ES91121901T patent/ES2094185T3/es not_active Expired - Lifetime
- 1991-12-20 SG SG9602907A patent/SG85058A1/en unknown
- 1991-12-20 DE DE69122597T patent/DE69122597T2/de not_active Expired - Fee Related
- 1991-12-27 JP JP3358694A patent/JP2684133B2/ja not_active Expired - Fee Related
- 1991-12-30 FI FI916159A patent/FI105615B/fi not_active IP Right Cessation
- 1991-12-30 TR TR91/1207A patent/TR25852A/xx unknown
- 1991-12-30 CN CN91112616A patent/CN1061504C/zh not_active Expired - Fee Related
- 1991-12-30 KR KR1019910025987A patent/KR100220306B1/ko not_active Expired - Fee Related
- 1991-12-30 MX MX9102875A patent/MX173800B/es not_active IP Right Cessation

Also Published As

Publication number	Publication date
MX173800B (es)	1994-03-28
JPH0580088A (ja)	1993-03-30
EP0493755B1 (en)	1996-10-09
DE69122597T2 (de)	1997-03-06
FI105615B (fi)	2000-09-15
BR9105501A (pt)	1992-09-01
HUT62128A (en)	1993-03-29
ES2094185T3 (es)	1997-01-16
SG85058A1 (en)	2001-12-19
DE69122597D1 (de)	1996-11-14
HU212522B (en)	1996-07-29
KR920014216A (ko)	1992-07-30
TR25852A (tr)	1993-09-01
EP0493755A3 (en)	1993-04-28
CN1061504C (zh)	2001-01-31
MY106646A (en)	1995-07-31
CN1063192A (zh)	1992-07-29
CA2057083A1 (en)	1992-07-01
US5212554A (en)	1993-05-18
FI916159A7 (fi)	1992-07-01
KR100220306B1 (ko)	1999-09-15
EP0493755A2 (en)	1992-07-08
HU913941D0 (en)	1992-03-30
CA2057083C (en)	1994-09-13
FI916159A0 (fi)	1991-12-30
JP2684133B2 (ja)	1997-12-03

Publication	Publication Date	Title
FI930798A7 (fi)	1993-02-23	Menetelmä ääniaallon siirtoajan mittaamiseksi
DE68929100D1 (de)	1999-12-16	Digitalsignalverarbeitungsverfahren
EP0450809A3 (en)	1992-12-23	Method and apparatus for measuring the frequency of a spectral line
DE68915184D1 (de)	1994-06-16	Bilderzeugungsverfahren und -gerät.
FI951139A0 (fi)	1995-03-10	Menetelmä ja laite vaihe-eron mittaamiseksi
FI981619A0 (fi)	1998-07-15	Menetelmä ja laitteisto radiotaajuisen signaalin heijastushäviön mittaamiseksi
DE69202724D1 (de)	1995-07-06	Kondensator-Messanordnung und -verfahren.
FI973270A0 (fi)	1997-08-08	Menetelmä ja laite digitaalisen tiedon koodaamisessa
KR900007509A (ko)	1990-06-01	연속주조방법 및 그 방법을 실시하기 위한 장치
DE68917755D1 (de)	1994-10-06	Bilderzeugungsverfahren und -gerät.
FI103930B1 (fi)	1999-10-15	Äänisignaalin käsittelylaite ja -menetelmä
NO892903L (no)	1990-01-16	Fremgangsmaate og innretning for fremstilling av glidelaaser
FI98018B (fi)	1996-12-13	Menetelmä ja laite radiokanavan impulssivasteen mittaamiseksi
EP0598794A4 (en)	1994-08-10	High frequency jfet and method for fabricating the same.
MX9102875A (es)	1992-06-01	Aparato y metodo digital para medir la frecuencia de una señal de frecuencia intermedia.
DE69623896D1 (de)	2002-10-31	Digitaler Frequenzdemodulator
FI895767A7 (fi)	1991-06-02	Pao en digital faslaosningskrets baserad frekvensdetektor.
DE69112869D1 (de)	1995-10-19	Bilderzeugungsverfahren und -gerät.
MX174592B (es)	1994-05-27	Metodo y aparato para medir la resistencia de una conexion de armadura
DE69524712D1 (de)	2002-01-31	Digitalsignalaufzeichnungsgerät
MX9207217A (es)	1993-06-01	Aparato y metodo de traslado de frecuencia.
DK105091D0 (da)	1991-05-31	Fremgangsmaade og apparat til overvaagning af akustiske transducere
MX9101411A (es)	1992-06-05	Aparato y metodo para confeccion de neumaticos
KR900011534A (ko)	1990-08-01	다이어몬드류 박막의 제조방법 및 그 제조장치
KR930703695A (ko)	1993-11-30	물질 증착 방법 및 장치

Legal Events

Date	Code	Title	Description
1994-03-28	FG	Grant or registration
2014-01-31	MM	Annulment or lapse due to non-payment of fees