BR8707816A - Receptor de radio para recepcao de sinal de transmissao de interesse - Google Patents

Receptor de radio para recepcao de sinal de transmissao de interesse

Info

Publication number: BR8707816A
Authority: BR; Brazil
Prior art keywords: interest; transmission signal; radio receiver; receiving transmission; receiving
Prior art date: 1986-09-23

Application number

BR8707816A

Other languages

English (en)

Inventor

Joseph Paul Heck

Kha Le

Original Assignee

Motorola 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.)

1986-09-23

Filing date

1987-07-20

Publication date

1989-10-03

1987-07-20 Application filed by Motorola Inc filed Critical Motorola Inc

1989-10-03 Publication of BR8707816A publication Critical patent/BR8707816A/pt

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- 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
- H03G3/34—Muting amplifier when no signal is present
- H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Circuits Of Receivers In General (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Dc Digital Transmission (AREA)
Noise Elimination (AREA)
Superheterodyne Receivers (AREA)

BR8707816A 1986-09-23 1987-07-20 Receptor de radio para recepcao de sinal de transmissao de interesse BR8707816A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/910,590 US4829594A (en)	1986-09-23	1986-09-23	Adaptive correction of DC error transients
PCT/US1987/001706 WO1988002581A1 (en)	1986-09-23	1987-07-20	Adaptive correction of dc error transients

Publications (1)

Publication Number	Publication Date
BR8707816A true BR8707816A (pt)	1989-10-03

Family

ID=25429027

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR8707816A BR8707816A (pt)	1986-09-23	1987-07-20	Receptor de radio para recepcao de sinal de transmissao de interesse

Country Status (9)

Country	Link
US (1)	US4829594A (pt)
EP (1)	EP0326566B1 (pt)
JP (1)	JP2557246B2 (pt)
KR (1)	KR950013613B1 (pt)
AR (1)	AR240725A1 (pt)
BR (1)	BR8707816A (pt)
DE (1)	DE3788571T2 (pt)
IL (1)	IL83446A (pt)
WO (1)	WO1988002581A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5027352A (en) *	1989-01-05	1991-06-25	Motorola, Inc.	Receiver frequency offset bias circuit for TDM radios
US5057803A (en) *	1990-08-01	1991-10-15	Motorola, Inc.	Stripline split ring resonator bandpass filter
US5255094A (en) *	1990-10-10	1993-10-19	Thomson Consumer Electronics, S.A.	Muting circuit for eliminating transient signals generated due to power supply turn-on and turn-off
US5521941A (en) *	1990-11-29	1996-05-28	Motorola, Inc.	Automatic threshold control for multi-level signals
US5212826A (en) *	1990-12-20	1993-05-18	Motorola, Inc.	Apparatus and method of dc offset correction for a receiver
DE4143537C2 (de) *	1990-12-20	1996-11-28	Motorola Inc	Einrichtung und Verfahren zur Gleichstromversatz-Korrektur für einen Empfänger
US5325405A (en) *	1991-08-27	1994-06-28	Motorola, Inc.	Burst mode receiver control
ES2048050B1 (es) *	1991-09-05	1996-06-01	Alcatel Standard Electrica	Sistema para el mantenimiento del nivel dc en receptores opticos en recepcion a rafagas
ES2076077B1 (es) *	1993-05-31	1997-08-16	Alcatel Standard Electrica	Circuito de control de continua en receptores de datos a rafagas.
US5603115A (en) *	1995-04-01	1997-02-11	Hwa Lin Electronics Co., Ltd.	Direct broadcasting satellite tuner with an auto threshold control demodulator
FI112131B (fi) *	1996-02-08	2003-10-31	Nokia Corp	Menetelmä ja piirijärjestely signaalin erojännitteen pienentämiseksi
US6356749B1 (en) *	1998-11-04	2002-03-12	Motorola, Inc.	Automatic adapt circuit for circumventing demodulator transients in radio receiver

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3049710A (en) *	1958-01-02	1962-08-14	Gen Electric	Continuous tone-controlled squelch system
JPS5548597Y2 (pt) *	1976-03-17	1980-11-13
US4479239A (en) *	1983-03-28	1984-10-23	Silver Creek Nurseries, Inc.	Sound detecting device
DE3500217C2 (de) *	1985-01-05	1995-04-13	Blaupunkt Werke Gmbh	Verfahren und Schaltungsanordnung zum Unterdrücken von Zwischenstationsgeräuschen
US4627101A (en) *	1985-02-25	1986-12-02	Rca Corporation	Muting circuit
US4628539A (en) *	1985-02-25	1986-12-09	Rca Corporation	Muting circuit

1986
- 1986-09-23 US US06/910,590 patent/US4829594A/en not_active Expired - Fee Related
1987
- 1987-07-20 BR BR8707816A patent/BR8707816A/pt not_active IP Right Cessation
- 1987-07-20 DE DE87906481T patent/DE3788571T2/de not_active Expired - Fee Related
- 1987-07-20 EP EP87906481A patent/EP0326566B1/en not_active Expired - Lifetime
- 1987-07-20 JP JP62505873A patent/JP2557246B2/ja not_active Expired - Lifetime
- 1987-07-20 KR KR1019880700561A patent/KR950013613B1/ko not_active Expired - Fee Related
- 1987-07-20 WO PCT/US1987/001706 patent/WO1988002581A1/en not_active Ceased
- 1987-08-05 IL IL83446A patent/IL83446A/xx unknown
- 1987-09-04 AR AR30863487A patent/AR240725A1/es active

Also Published As

Publication number	Publication date
EP0326566A4 (en)	1991-01-09
EP0326566B1 (en)	1993-12-22
EP0326566A1 (en)	1989-08-09
KR880702012A (ko)	1988-11-07
DE3788571D1 (de)	1994-02-03
JPH02500074A (ja)	1990-01-11
KR950013613B1 (ko)	1995-11-13
IL83446A (en)	1991-05-12
JP2557246B2 (ja)	1996-11-27
WO1988002581A1 (en)	1988-04-07
AR240725A1 (es)	1990-09-28
IL83446A0 (en)	1988-01-31
US4829594A (en)	1989-05-09
DE3788571T2 (de)	1994-04-21

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Legal Events

Date	Code	Title	Description
2008-07-29	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 20/07/2002