DE69222093D1 - Selbsttätige automatische Frequenzsteuerschaltung - Google Patents

Selbsttätige automatische Frequenzsteuerschaltung

Info

Publication number: DE69222093D1
Authority: DE; Germany
Prior art keywords: automatic; control circuit; frequency control; automatic frequency; circuit
Prior art date: 1991-06-19
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

DE69222093T

Other languages

English (en)

Inventor

Yoshiaki Kumagai

Eiji Itaya

Yoichi Endo

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.)

Fujitsu Ltd

Original Assignee

Fujitsu 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.)

1991-06-19

Filing date

1992-06-19

Publication date

1997-10-16

1991-06-19 Priority claimed from JP14725791A external-priority patent/JPH04369919A/ja

1991-06-21 Priority claimed from JP15038191A external-priority patent/JPH04373209A/ja

1992-06-19 Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd

1997-10-16 Application granted granted Critical

1997-10-16 Publication of DE69222093D1 publication Critical patent/DE69222093D1/de

2012-06-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- 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
- H03J7/047—Automatic frequency control using an auxiliary signal, e.g. low frequency scanning of the locking range or superimposing a special signal on the input signal
- 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

DE69222093T 1991-06-19 1992-06-19 Selbsttätige automatische Frequenzsteuerschaltung Expired - Lifetime DE69222093D1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP14725791A JPH04369919A (ja)	1991-06-19	1991-06-19	自動周波数制御回路
JP15038191A JPH04373209A (ja)	1991-06-21	1991-06-21	自動周波数制御回路

Publications (1)

Publication Number	Publication Date
DE69222093D1 true DE69222093D1 (de)	1997-10-16

Family

ID=26477862

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69222093T Expired - Lifetime DE69222093D1 (de)	1991-06-19	1992-06-19	Selbsttätige automatische Frequenzsteuerschaltung

Country Status (4)

Country	Link
US (1)	US5548811A (de)
EP (2)	EP0779710A3 (de)
CA (1)	CA2071421C (de)
DE (1)	DE69222093D1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5668828A (en) *	1992-05-08	1997-09-16	Sanconix, Inc.	Enhanced frequency agile radio
JP3200547B2 (ja) *	1995-09-11	2001-08-20	株式会社日立製作所	Ｃｄｍａ方式移動通信システム
JPH0993090A (ja) *	1995-09-21	1997-04-04	Pioneer Electron Corp	受信機
US5678215A (en) *	1996-06-13	1997-10-14	Motorola, Inc.	Method for frequency locking onto a pilot reference signal affected by multipath fading
US6212397B1 (en) *	1996-12-23	2001-04-03	Texas Instruments Incorporated	Method and system for controlling remote multipoint stations
US6230027B1 (en) *	1997-06-17	2001-05-08	U.S. Philips Corporation	Method of issuing a time information signal via a satellite station of a transmission system
US6163710A (en) *	1997-10-20	2000-12-19	Ericsson, Inc.	Method and apparatus for compliance to multiple frequency plans
US6188716B1 (en) *	1998-03-02	2001-02-13	Pan Atlantic Corporation	Radio and communication method using a transmitted intermediate frequency
US6581208B1 (en) *	1999-02-19	2003-06-17	Masprodenkoh Kabushikikaisha	Up-converter and down-converter for in-building CATV system
US6615407B1 (en) *	1999-02-19	2003-09-02	Masprodenkoh Kabushikikaisha	In-building CATV system, and up-converter and down-converter for use therein
US7047555B1 (en) *	1999-07-23	2006-05-16	Masprodenkoh Kabushikikaisha	In-building CATV system, down-converter, up-converter and amplifier
US6983134B1 (en) *	2000-03-31	2006-01-03	Mitsubishi Denki Kabushiki Kaisha	Method and apparatus for automatic frequency control and demodulator
US7058360B1 (en) *	2001-02-08	2006-06-06	National Semiconductor Corporation	Method and system for stabilizing the performance variation of a radio frequency device
US7242229B1 (en)	2001-05-06	2007-07-10	Altera Corporation	Phase locked loop (PLL) and delay locked loop (DLL) counter and delay element programming in user mode
US8000221B2 (en) *	2004-07-20	2011-08-16	Qualcomm, Incorporated	Adaptive pilot insertion for a MIMO-OFDM system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3921094A (en) *	1974-10-07	1975-11-18	Bell Telephone Labor Inc	Phase-locked frequency synthesizer with means for restoring stability
JPS5828968B2 (ja) *	1977-08-31	1983-06-20	ソニー株式会社	Ｐｌｌ方式周波数シンセサイザチュ−ナ
JPS5925526B2 (ja) *	1979-05-16	1984-06-19	アルプス電気株式会社	選局装置
US4348772A (en) *	1979-11-26	1982-09-07	Bell Telephone Laboratories, Incorporated	Frequency stabilization circuit for a local oscillator
DE3137891A1 (de) *	1981-09-23	1983-04-07	Siemens AG, 1000 Berlin und 8000 München	Empfaengerschaltung
JPS5957534A (ja) *	1982-09-27	1984-04-03	Alps Electric Co Ltd	衛星放送用受信器の屋内ユニツト
JPS6173416A (ja) *	1984-09-19	1986-04-15	Nec Corp	自動周波数制御・自動利得制御回路
DE3515746A1 (de) *	1985-05-02	1986-11-06	Robert Bosch Gmbh, 7000 Stuttgart	Fm-funkempfaenger
CA1259378A (en) *	1985-09-19	1989-09-12	Noriaki Omoto	A.f.c. system for broad-band fm receiver
JPS6346810A (ja) *	1986-08-14	1988-02-27	Nec Corp	自動周波数制御器

1992
- 1992-06-17 CA CA002071421A patent/CA2071421C/en not_active Expired - Fee Related
- 1992-06-19 EP EP97102442A patent/EP0779710A3/de not_active Ceased
- 1992-06-19 DE DE69222093T patent/DE69222093D1/de not_active Expired - Lifetime
- 1992-06-19 EP EP92110360A patent/EP0519489B1/de not_active Expired - Lifetime
1994
- 1994-11-03 US US08/336,205 patent/US5548811A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0519489B1 (de)	1997-09-10
CA2071421A1 (en)	1992-12-20
EP0779710A3 (de)	1997-08-06
US5548811A (en)	1996-08-20
EP0779710A2 (de)	1997-06-18
EP0519489A1 (de)	1992-12-23
CA2071421C (en)	2000-08-08

Publication	Publication Date	Title
DE69118940D1 (de)	1996-05-30	Selbsttätige Frequenzsteuerschaltung
DE4498261T1 (de)	1995-12-21	Automatische Frequenzregelvorrichtung
DE68916952D1 (de)	1994-08-25	Selbsttätige Frequenz-Steuerschaltung.
DE69222093D1 (de)	1997-10-16	Selbsttätige automatische Frequenzsteuerschaltung
DE59307183D1 (de)	1997-09-25	Steuerschaltung
GB2240226B (en)	1994-02-02	Automatic frequency control circuit
DE69317825D1 (de)	1998-05-14	Selbstätige Frequenzregelungsschaltung
DE69123179D1 (de)	1997-01-02	Lautstärke-Regelschaltung
DE69128652D1 (de)	1998-02-12	Steuerschaltung
DE69215589D1 (de)	1997-01-16	Mikrowellen-Vorspannungseinstellungsschaltung
ATA135092A (de)	1994-05-15	Digitaler regelkreis
DE69314379D1 (de)	1997-11-13	Steuerschaltung
KR920017140U (ko)	1992-09-17	간차 슬로우 모드 제어회로
KR910007892U (ko)	1991-05-31	자동 주파수 제어회로
DE69318777D1 (de)	1998-07-02	Kontraststeuerschaltung
KR900012428A (ko)	1990-08-04	자동 전원오프 시간조절 회로
KR930016658U (ko)	1993-07-29	자동 음량 조절 회로
KR920014276U (ko)	1992-07-27	자동이득제어회로
KR930010063U (ko)	1993-05-26	자동 레인지 조정회로
KR930005771U (ko)	1993-03-22	뮤팅레벨 제어회로
KR920010598U (ko)	1992-06-17	음색조절회로
KR920015827U (ko)	1992-08-17	전원자동 제어회로
BR9105564A (pt)	1993-06-15	Chaveador eletronico automatico
KR910014739U (ko)	1991-08-31	피엘엘(pll) 제어회로
KR890015253U (ko)	1989-08-12	자동주파수 제어회로

Legal Events

Date	Code	Title	Description
1998-03-19	8332	No legal effect for de