Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

Industry

CPC
H03J3/06

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Parent Industries

HELECTRICITY H03Electronic circuits H03JTUNING RESONANT CIRCUITS SELECTING RESONANT CIRCUITS H03J3/00Continuous tuning

Current Industry

H03J3/06Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

Industries

Patents Grantslast 30 patents

Information Patent Grant
Weakly coupled tunable RF receiver architecture
- Patent number 10,965,258
- Issue date Mar 30, 2021
- Qorvo US, Inc.
- George Maxim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal-tracking RF bandstop filter
- Patent number 10,270,480
- Issue date Apr 23, 2019
- The United States of America, as represented by the Secretary of the Navy
- Andrew C. Guyette
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Weakly coupled tunable RF receiver architecture
- Patent number 9,705,478
- Issue date Jul 11, 2017
- Qorvo US, Inc.
- George Maxim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Weakly coupled tunable RF receiver architecture
- Patent number 9,647,641
- Issue date May 9, 2017
- Qorvo US, Inc.
- George Maxim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Fine gain tuning
- Patent number 8,965,316
- Issue date Feb 24, 2015
- Cambridge Silicon Radio Limited
- Sever Cercelaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tuner and front-end circuit thereof
- Patent number 8,836,447
- Issue date Sep 16, 2014
- MStar Semiconductor, Inc.
- Fucheng Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Six port linear network single wire multi switch transceiver
- Patent number 8,699,983
- Issue date Apr 15, 2014
- Thomson Licensing
- Lincheng Xiu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable baseband filters supporting auto-calibration for a mob...
- Patent number 8,463,219
- Issue date Jun 11, 2013
- Broadcom Corporation
- Spyridon Charalabos Kavadias
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tracking filter for a television tuner
- Patent number 8,385,867
- Issue date Feb 26, 2013
- Silicon Laboratories Inc.
- Aslamali A. Rafi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus to adjust a tunable reactive element
- Patent number 8,260,213
- Issue date Sep 4, 2012
- Research In Motion RF, Inc
- Shamsuddin H. Chasmawala
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Front end circuit
- Patent number 8,208,076
- Issue date Jun 26, 2012
- Sony Corporation
- Taiwa Okanobu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Tuner and transformer formed by printed circuit board thereof
- Patent number 8,188,806
- Issue date May 29, 2012
- Himax Technologies Limited
- Wen-Po Ho
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable baseband filters supporting auto-calibration for a mob...
- Patent number 8,175,563
- Issue date May 8, 2012
- Broadcom Corporation
- Spyridon Charalabos Kavadias
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Switch-able band-tracking input filter for combination tuner
- Patent number 8,155,609
- Issue date Apr 10, 2012
- NXP B.V.
- Yeow T. Toh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Tuner
- Patent number 8,103,233
- Issue date Jan 24, 2012
- LG Electronics Inc.
- Dong Gu Im
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Automatic antenna tuning unit for software-defined and cognitive radio
- Patent number 8,095,085
- Issue date Jan 10, 2012
- Arizona Board of Regents for and on behalf of Arizona State University
- Hang Song
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Programmable baseband filters supporting auto-calibration for a mob...
- Patent number 7,613,439
- Issue date Nov 3, 2009
- Broadcom Corporation
- Spyridon Charalabos Kavadias
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable tuning circuit using variable capacitance diode and televi...
- Patent number 7,609,134
- Issue date Oct 27, 2009
- Alps Electronic Co., Ltd.
- Masaki Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bandpass filter with integrated variable gain function
- Patent number 7,603,085
- Issue date Oct 13, 2009
- Broadcom Corporation
- Meng-An Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Programmable IF frequency filter for enabling a compromise between...
- Patent number 7,603,098
- Issue date Oct 13, 2009
- Broadcom Corporation
- Meng-An Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Intermediate frequency circuit for television tuner with improved i...
- Patent number 7,440,736
- Issue date Oct 21, 2008
- Alps Electric Co., Ltd.
- Masaki Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bandpass filter with integrated variable gain function using improv...
- Patent number 7,376,409
- Issue date May 20, 2008
- Broadcom Corporation
- Meng-An Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and an apparatus to improve production yield of phase locked...
- Patent number 7,349,515
- Issue date Mar 25, 2008
- Cypress Semiconductor Corporation
- Chwei-Po Chew
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Television tuner which maintains UHF band tuning circuit bandwidth...
- Patent number 6,933,984
- Issue date Aug 23, 2005
- Alps Electric Co., Ltd.
- Masaki Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Apparatus and method for tuning a filter
- Patent number 6,781,474
- Issue date Aug 24, 2004
- FREESCALE SEMICONDUCTOR, INC.
- Patrick Douziech
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bandpass filters with automatic tuning adjustment
- Patent number 6,307,443
- Issue date Oct 23, 2001
- Agere Systems Guardian Corp.
- Thaddeus J. Gabara
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Direct conversion receiver per-selection
- Patent number 6,208,850
- Issue date Mar 27, 2001
- NEC Corporation
- Nigel James Tolson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal receiver having automatic frequency characteristic adjusting...
- Patent number 4,780,909
- Issue date Oct 25, 1988
- Matsushita Electric Industrial Co. Ltd.
- Seiji Sakashita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
UHF electronic tuner
- Patent number 4,145,659
- Issue date Mar 20, 1979
- General Electric Company
- Adolf E. Wolfram
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
3723917
- Patent number 3,723,917
- Issue date Mar 27, 1973
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Signal-Tracking RF Bandstop Filter
- Publication number 20190109609
- Publication date Apr 11, 2019
- The Government of the United States of America, as represented by the Secreta...
- Andrew C. Guyette
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WEAKLY COUPLED TUNABLE RF RECEIVER ARCHITECTURE
- Publication number 20180316321
- Publication date Nov 1, 2018
- Qorvo US, Inc.
- George Maxim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
WEAKLY COUPLED TUNABLE RF RECEIVER ARCHITECTURE
- Publication number 20150038101
- Publication date Feb 5, 2015
- RF Micro Devices, Inc.
- George Maxim
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Programmable Baseband Filters Supporting Auto-Calibration for a Mob...
- Publication number 20120282874
- Publication date Nov 8, 2012
- BROADCOM CORPORATION
- Spyridon Charalabos KAVADIAS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FINE GAIN TUNING
- Publication number 20120142294
- Publication date Jun 7, 2012
- Cambridge Silicon Radio Limited
- Sever Cercelaru
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Tuner and Front-end Circuit Thereof
- Publication number 20110051014
- Publication date Mar 3, 2011
- Mstar Semiconductor, Inc.
- Fucheng Wang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Tracking Filter For A Television Tuner
- Publication number 20100328546
- Publication date Dec 30, 2010
- Aslamali A. Rafi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND APPARATUS TO ADJUST A TUNABLE REACTIVE ELEMENT
- Publication number 20100069029
- Publication date Mar 18, 2010
- PARATEK MICROWAVE, INC.
- Shamsuddin H. Chasmawala
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SIX PORT LINEAR NETWORK SINGLE WIRE MULTI SWITCH TRANSCEIVER
- Publication number 20100071009
- Publication date Mar 18, 2010
- THOMSON LICENSING
- Lincheng Xiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TWO STAGE SURGE PROTECTION FOR SINGLE WIRE MULTI SWITCH TRANSCEIVER
- Publication number 20100053836
- Publication date Mar 4, 2010
- Lincheng Xiu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROGRAMMABLE BASEBAND FILTERS SUPPORTING AUTO-CALIBRATION FOR A MOB...
- Publication number 20100048158
- Publication date Feb 25, 2010
- Spyridon Charalabos Kavadias
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FRONT END CIRCUIT
- Publication number 20100026906
- Publication date Feb 4, 2010
- SONY CORPORATION
- Taiwa Okanobu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SWITCH-ABLE BAND-TRACKING INPUT FILTER FOR COMBINATION TUNER
- Publication number 20090215415
- Publication date Aug 27, 2009
- Koninklijke Philips Electronics N.V.
- Yeow T. Toh
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TUNER
- Publication number 20090176467
- Publication date Jul 9, 2009
- Dong Gu IM
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
TUNER AND TRANSFORMER FORMED BY PRINTED CIRCUIT BOARD THEREOF
- Publication number 20090066448
- Publication date Mar 12, 2009
- HIMAX TECHNOLOGIES LIMITED
- Wen-Po Ho
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Automatic Antenna Tuning Unit for Software-Defined and Cognitive Radio
- Publication number 20090046030
- Publication date Feb 19, 2009
- Arizona Board of Regents for and on behalf of Arizona State University
- Hang Song
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Multiband receiving apparatus and multiband transmitting apparatus...
- Publication number 20090025043
- Publication date Jan 22, 2009
- Samsung Electro-Mechanics CO., LTD.
- In-sang Song
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VARIABLE TUNING CIRCUIT USING VARIABLE CAPACITANCE DIODE AND TELEVI...
- Publication number 20080129428
- Publication date Jun 5, 2008
- Alps Electric Co., Ltd.
- Masaki Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Low Noise, High Linearity TV Tuner Architecture with Switched Fixed...
- Publication number 20070105514
- Publication date May 10, 2007
- Chao-Wen Tseng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Programmable baseband filters supporting auto-calibration for a mob...
- Publication number 20070066249
- Publication date Mar 22, 2007
- Spyridon Charalabos Kavadias
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Intermediate frequency circuit for television tuner with improved i...
- Publication number 20060099920
- Publication date May 11, 2006
- Alps Electric Co., Ltd.
- Masaki Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Programmable if frequency filter for enabling a compromise between...
- Publication number 20050221783
- Publication date Oct 6, 2005
- Broadcom Corporation
- Meng-An Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bandpass filter with integrated variable gain function
- Publication number 20050221788
- Publication date Oct 6, 2005
- Broadcom Corporation
- Meng-An Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Bandpass filter with integrated variable gain function using improv...
- Publication number 20050221789
- Publication date Oct 6, 2005
- Broadcom Corporation
- Meng-An Pan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Broadband integrated digitally tunable filters
- Publication number 20050040909
- Publication date Feb 24, 2005
- Matthew Glenn Waight
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Apparatus and method for tuning a filter
- Publication number 20030155988
- Publication date Aug 21, 2003
- Patrick Douziech
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Television tuner which maintains UHF band tuning circuit bandwidth...
- Publication number 20020063803
- Publication date May 30, 2002
- Alps Electric Co., Ltd.
- Masaki Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY

Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Weakly coupled tunable RF receiver architecture

Signal-tracking RF bandstop filter

Weakly coupled tunable RF receiver architecture

Weakly coupled tunable RF receiver architecture

Fine gain tuning

Tuner and front-end circuit thereof

Six port linear network single wire multi switch transceiver

Programmable baseband filters supporting auto-calibration for a mob...

Tracking filter for a television tuner

Method and apparatus to adjust a tunable reactive element

Front end circuit

Tuner and transformer formed by printed circuit board thereof

Programmable baseband filters supporting auto-calibration for a mob...

Switch-able band-tracking input filter for combination tuner

Tuner

Automatic antenna tuning unit for software-defined and cognitive radio

Programmable baseband filters supporting auto-calibration for a mob...

Variable tuning circuit using variable capacitance diode and televi...

Bandpass filter with integrated variable gain function

Programmable IF frequency filter for enabling a compromise between...

Intermediate frequency circuit for television tuner with improved i...

Bandpass filter with integrated variable gain function using improv...

Method and an apparatus to improve production yield of phase locked...

Television tuner which maintains UHF band tuning circuit bandwidth...

Apparatus and method for tuning a filter

Bandpass filters with automatic tuning adjustment

Direct conversion receiver per-selection

Signal receiver having automatic frequency characteristic adjusting...

UHF electronic tuner

3723917

Patents Applicationslast 30 patents

Signal-Tracking RF Bandstop Filter

WEAKLY COUPLED TUNABLE RF RECEIVER ARCHITECTURE

WEAKLY COUPLED TUNABLE RF RECEIVER ARCHITECTURE

Programmable Baseband Filters Supporting Auto-Calibration for a Mob...

FINE GAIN TUNING

Tuner and Front-end Circuit Thereof

Tracking Filter For A Television Tuner

METHOD AND APPARATUS TO ADJUST A TUNABLE REACTIVE ELEMENT

SIX PORT LINEAR NETWORK SINGLE WIRE MULTI SWITCH TRANSCEIVER

TWO STAGE SURGE PROTECTION FOR SINGLE WIRE MULTI SWITCH TRANSCEIVER

PROGRAMMABLE BASEBAND FILTERS SUPPORTING AUTO-CALIBRATION FOR A MOB...

FRONT END CIRCUIT

SWITCH-ABLE BAND-TRACKING INPUT FILTER FOR COMBINATION TUNER

TUNER

TUNER AND TRANSFORMER FORMED BY PRINTED CIRCUIT BOARD THEREOF

Automatic Antenna Tuning Unit for Software-Defined and Cognitive Radio

Multiband receiving apparatus and multiband transmitting apparatus...

VARIABLE TUNING CIRCUIT USING VARIABLE CAPACITANCE DIODE AND TELEVI...

Low Noise, High Linearity TV Tuner Architecture with Switched Fixed...

Programmable baseband filters supporting auto-calibration for a mob...

Intermediate frequency circuit for television tuner with improved i...

Programmable if frequency filter for enabling a compromise between...

Bandpass filter with integrated variable gain function

Bandpass filter with integrated variable gain function using improv...

Broadband integrated digitally tunable filters

Apparatus and method for tuning a filter

Television tuner which maintains UHF band tuning circuit bandwidth...