BR8703891A - Controle automatico proporcional de ganho - Google Patents

Controle automatico proporcional de ganho

Info

Publication number: BR8703891A
Authority: BR; Brazil
Prior art keywords: automatic control; proportional gain; gain automatic; proportional; control
Prior art date: 1986-08-29

Application number

BR8703891A

Other languages

English (en)

Inventor

Harold B Pearce

Original Assignee

Ibm

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.)

1986-08-29

Filing date

1987-07-22

Publication date

1988-03-29

1987-07-22 Application filed by Ibm filed Critical Ibm

1988-03-29 Publication of BR8703891A publication Critical patent/BR8703891A/pt

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3089—Control of digital or coded signals
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/007—Volume compression or expansion in amplifiers of digital or coded signals

BR8703891A 1986-08-29 1987-07-22 Controle automatico proporcional de ganho BR8703891A (pt)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/901,904 US4785418A (en)	1986-08-29	1986-08-29	Proportional automatic gain control

Publications (1)

Publication Number	Publication Date
BR8703891A true BR8703891A (pt)	1988-03-29

Family

ID=25415029

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8703891A BR8703891A (pt)	1986-08-29	1987-07-22	Controle automatico proporcional de ganho

Country Status (6)

Country	Link
US (1)	US4785418A (pt)
EP (1)	EP0257346B1 (pt)
JP (1)	JPH0666615B2 (pt)
AR (1)	AR248464A1 (pt)
BR (1)	BR8703891A (pt)
DE (1)	DE3789260T2 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5040194A (en) *	1986-07-15	1991-08-13	Hayes Microcomputer Products, Inc.	Method and apparatus for providing for automatic gain control of incoming signals in a modem
US4899365A (en) *	1988-02-29	1990-02-06	The Boeing Company	Apparatus and method for adaptive amplitude equalization
US5016205A (en) *	1989-04-27	1991-05-14	Motorola, Inc.	Digital signal processor based AGC
US5179528A (en) *	1989-11-22	1993-01-12	Texas Instruments Incorporated	Signal processing system and method implementing a non-linear transfer function approximated by a piecewise linear transformation
US5083304A (en) *	1990-09-28	1992-01-21	Motorola, Inc.	Automatic gain control apparatus and method
US5267322A (en) *	1991-12-13	1993-11-30	Digital Sound Corporation	Digital automatic gain control with lookahead, adaptive noise floor sensing, and decay boost initialization
US5259001A (en) *	1991-12-17	1993-11-02	Motorola, Inc.	ADPCM decoder with an integral digital receive gain and method therefor
US5917865A (en) *	1996-12-31	1999-06-29	Lucent Technologies, Inc.	Digital automatic gain control employing two-stage gain-determination process
JP2001077714A (ja) *	1999-09-03	2001-03-23	Matsushita Electric Ind Co Ltd	無線受信機、無線受信方法および記録媒体
US6934344B2 (en) *	2000-03-27	2005-08-23	Interdigital Technology Corporation	Digital automatic gain control
US20110063835A1 (en) *	2002-09-23	2011-03-17	Nelson Rivas	Led lighting apparatus
WO2006102313A2 (en) *	2005-03-18	2006-09-28	The Trustees Of Columbia University In The City Of New York	Systems and methods for companding adc-dsp-dac combinations
JP5355503B2 (ja) *	2010-06-14	2013-11-27	日本電信電話株式会社	利得制御方法及び装置
JP5859218B2 (ja) *	2011-03-31	2016-02-10	富士通テン株式会社	音響装置および音量補正方法
CN104080024B (zh)	2013-03-26	2019-02-19	杜比实验室特许公司	音量校平器控制器和控制方法以及音频分类器

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3562504A (en) *	1967-11-08	1971-02-09	Texas Instruments Inc	Digital automatic gain control
US3983381A (en) *	1974-12-18	1976-09-28	International Business Machines Corporation	Digital automatic gain control circuit
US3969683A (en) *	1975-04-21	1976-07-13	Bell Telephone Laboratories, Incorporated	Automatic level control circuit
US3996519A (en) *	1975-07-02	1976-12-07	The United States Of America As Represented By The Secretary Of The Navy	Digital signal processor
DE2741952B2 (de) *	1977-09-17	1980-06-19	Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel	Pegelregelung
US4213097A (en) *	1978-10-19	1980-07-15	Racal-Milgo, Inc.	Hybrid automatic gain control circuit
US4191995A (en) *	1979-01-02	1980-03-04	Bell Telephone Laboratories, Incorporated	Digital automatic gain control circuit
JPS5641397U (pt) *	1979-08-31	1981-04-16
JPS5724970A (en) *	1980-07-23	1982-02-09	Toshiba Corp	Exposure device
JPS57112109A (en) *	1980-12-27	1982-07-13	Nec Corp	Audio limiting amplifier
US4464723A (en) *	1981-12-31	1984-08-07	Rca Corporation	Digital gain control system
US4477698A (en) *	1982-09-07	1984-10-16	Melita Electronics Labs, Inc.	Apparatus for detecting pick-up at a remote telephone set
NL8300468A (nl) *	1983-02-08	1984-09-03	Philips Nv	Digitale dynamiek omzetter.
US4499586A (en) *	1983-02-28	1985-02-12	Hazeltine Corporation	Microprocessor controlled AGC
JPS6017172A (ja) *	1983-07-01	1985-01-29	伴　実	絹繊維製品の品質向上処理方法
JPS619765A (ja) *	1984-06-25	1986-01-17	Matsushita Electric Works Ltd	画像処理装置
US4747065A (en) *	1985-10-11	1988-05-24	International Business Machines Corporation	Automatic gain control in a digital signal processor

1986
- 1986-08-29 US US06/901,904 patent/US4785418A/en not_active Expired - Lifetime
1987
- 1987-07-22 BR BR8703891A patent/BR8703891A/pt unknown
- 1987-07-29 JP JP62187895A patent/JPH0666615B2/ja not_active Expired - Lifetime
- 1987-07-31 DE DE3789260T patent/DE3789260T2/de not_active Expired - Fee Related
- 1987-07-31 EP EP87111112A patent/EP0257346B1/en not_active Expired - Lifetime
- 1987-08-19 AR AR87308474A patent/AR248464A1/es active

Also Published As

Publication number	Publication date
AR248464A1 (es)	1995-08-18
EP0257346A2 (en)	1988-03-02
US4785418A (en)	1988-11-15
JPS6359109A (ja)	1988-03-15
DE3789260D1 (de)	1994-04-14
DE3789260T2 (de)	1994-09-22
JPH0666615B2 (ja)	1994-08-24
EP0257346B1 (en)	1994-03-09
EP0257346A3 (en)	1990-02-14

Publication	Publication Date	Title
BR8702091A (pt)	1988-02-09	Sistema de controle de mudanca
DE3752213D1 (de)	1998-10-08	Automatische Leistungsregelung
BR8502585A (pt)	1986-02-04	Controle de religacao
BR8503414A (pt)	1986-04-08	Embreagem de controle regulavel
BR8501999A (pt)	1985-12-31	Controle de freio de transportador
DE3689499D1 (de)	1994-02-17	Schaltung zur automatischen Verstärkungsregelung.
FI870475A0 (fi)	1987-02-04	System foer kontroll av vaetskestroemning och dess kopplingsarmatur.
BR8204807A (pt)	1983-08-02	Centro de controle
BR8703891A (pt)	1988-03-29	Controle automatico proporcional de ganho
KR890700306A (ko)	1989-03-11	제어장치
KR890700240A (ko)	1989-03-10	위치제어방식
DE3774895D1 (de)	1992-01-16	Verstaerker mit automatischer verstaerkungskontrolle.
BR8605915A (pt)	1987-09-08	Conjunto de compensacao automatica de freio
DE3668961D1 (de)	1990-03-15	Selbsttaetige nachstellvorrichtung.
BR8701990A (pt)	1988-02-02	Circuito de controle
KR860004797A (ko)	1986-07-14	엘리베이터의 제어장치
BR8700159A (pt)	1987-12-01	Mecanismo de controle de mudanca de marcha
BR8503272A (pt)	1986-04-01	Controle de linha de tronco
DK530985D0 (da)	1985-11-15	Ukrudtsbekaempelsesmiddel
BR8500267A (pt)	1985-09-03	Dispositivo de controle
KR860700190A (ko)	1986-03-31	자동 이득 제어회로
DK157986C (da)	1990-08-06	Traktor med differens-styring
BR8505545A (pt)	1986-08-12	Valvula de controle
FR2563292B3 (fr)	1986-06-27	Soupape de controle
DE3786627D1 (de)	1993-08-26	Kontrollverstaerker.