H03F

Watch

Stats

Description

AMPLIFIERS (measuring, testing G01R; optical parametric amplifiers G02F; circuit arrangements with secondary emission tubes H01J 43/30; masers, lasers H01S; dynamo-electric amplifiers H02K; control of amplification H03G; coupling arrangements independent of the nature of the amplifier, voltage dividers H03H; amplifiers capable only of dealing with pulses H03K; repeater circuits in transmission lines H04B 3/36, H04B 3/58; application of speech amplifiers in telephonic communication H04M 1/60, H04M 3/40)

Subclasses

Not Available
Subclass Title
1/00 Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
1/02 Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
1/04 Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers
1/06 Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators
1/07 Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in discharge-tube amplifiers to raise the efficiency of amplifying modulated radio frequency waves; to raise the efficiency of amplifiers acting also as modulators Doherty-type amplifiers

more results

Recent Patents

Not Available
Patent #TitleFiling DateIssue DatePatent Owner
9,124,216 Power amplifier and transmitter Feb 11, 15 Sep 01, 15 KABUSHIKI KAISHA TOSHIBA, KABUSHIKI KAISHA TOSHIBA
9,124,217 Power amplifier May 15, 13 Sep 01, 15 THE UNIVERSITY OF HONG KONG, CITY UNIVERSITY OF HONG KONG
9,124,218 Input impedance of low noise preamplifiers used for MRI with dual source FET, floating ground and permanent ground May 17, 10 Sep 01, 15 KONINKLIJKE PHILIPS ELECTRONICS N.V., KONINKLIJKE PHILIPS N.V.
9,124,219 Audio driver system and method Jun 22, 11 Sep 01, 15 CONEXANT SYSTEMS, INC., CONEXANT SYSTEMS INC.
9,124,220 Differential microphone with dual polarity bias Sep 26, 13 Sep 01, 15 ROBERT BOSCH GMBH, ROBERT BOSCH GMBH
9,124,221 Wide bandwidth radio frequency amplier having dual gate transistors Jul 16, 13 Sep 01, 15 RF MICRO DEVICES, INC., RF MICRO DEVICES INC.
9,124,222 Internally, resistively, sensed darlington amplifier Mar 14, 13 Sep 01, 15 HITTITE MICROWAVE CORPORATION, HITTITE MICROWAVE CORPORATION
9,124,223 Preamplifier polarisation device Apr 03, 13 Sep 01, 15 COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, COMMISSARIAT A L' ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
9,124,224 Power generating circuit and switching circuit Jun 14, 12 Sep 01, 15 SAMSUNG ELECTRO-MECHANICS CO., LTD., SAMSUNG ELECTRO-MECHANICS CO., LTD.; KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY;
9,124,225 Dual power amplifier linearizer Feb 27, 14 Sep 01, 15 SCINTERA NETWORKS LLC, SCINTERA NETWORKS LLC
9,124,226 Method of outputting audio signal and audio signal output apparatus using the method Jan 31, 12 Sep 01, 15 SAMSUNG ELECTRONICS CO., LTD., SAMSUNG ELECTRONICS CO. LTD.
9,124,227 Distortion limiter and automatic power control for drivers Sep 18, 12 Sep 01, 15 BROADCOM CORPORATION, BROADCOM CORPORATION
9,124,228 Amplifiers with boosted or deboosted source degeneration inductance Apr 04, 13 Sep 01, 15 QUALCOMM INCORPORATED, QUALCOMM INCORPORATED
9,124,229 Methods and systems to provide low noise amplification Mar 13, 13 Sep 01, 15 INTEL CORPORATION, INTEL CORP.
9,124,230 dB-linear voltage-to-current converter Oct 26, 11 Sep 01, 15 SKYWORKS SOLUTIONS, INC., SKYWORKS SOLUTIONS, INC.
9,124,245 Adaptive online filter for DC offset elimination Nov 24, 14 Sep 01, 15 ROCKWELL AUTOMATION TECHNOLOGIES, INC., ROCKWELL AUTOMATION TECHNOLOGIES, INC.
9,124,246 Baseband processing circuitry Sep 25, 13 Sep 01, 15 QUALCOMM INCORPORATED, QUALCOMM INCORPORATED
9,124,251 Two stage source-follower based filter Feb 27, 14 Sep 01, 15 UNIVERSITEIT GENT, INTERUNIVERSITAIR MICROELEKTRONICA CENTRUM (IMEC VZW); UNIVERSITEIT GENT;
9,124,267 Digital transmitter and method for calibrating digital transmitter May 20, 14 Sep 01, 15 MEDIATEK INC., MEDIATEK INC.
9,124,276 Sense amplifier including a level shifter Dec 20, 12 Sep 01, 15 QUALCOMM INCORPORATED, QUALCOMM INCORPORATED

more results

Recent Publications

Not Available
Publication #TitleFiling DatePub DatePatent Owner
2015/0248,136 Current Control for Output Device Biasing Stage May 15, 15 Sep 03, 15 , Not available
2015/0248,964 TRANSFORMERS AND METHODS FOR FABRICATING TRANSFORMERS Apr 29, 15 Sep 03, 15 BROADCOM CORPORATION,
2015/0249,051 THREE DIMENSIONAL CIRCUIT INCLUDING SHIELDED INDUCTOR AND METHOD OF FORMING SAME May 15, 15 Sep 03, 15 TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.,
2015/0249,430 Compensating A Two Stage Amplifier Feb 28, 14 Sep 03, 15 GOOGLE INC.,
2015/0249,431 POWER AMPLIFICATION APPARATUS AND CONTROL METHOD Feb 19, 15 Sep 03, 15 PANASONIC CORPORATION,
2015/0249,432 HIGH-FREQUENCY DRAIN POWER SUPPLY TO DECREASE POWER DISSIPATION IN CLASS-AB POWER AMPLIFIERS Sep 10, 13 Sep 03, 15 INNOVARADIO SA,
2015/0249,433 POWER AMPLIFIER MODULE Feb 12, 15 Sep 03, 15 MURATA MANUFACTURING CO., LTD.,
2015/0249,434 AMPLIFIER CIRCUIT AND AMPLIFIER CIRCUIT IC CHIP Jun 17, 14 Sep 03, 15 ASAHI KASEI MICRODEVICES CORPORATION,
2015/0249,435 ANALOG AMPLIFIER FOR RECOVERING ABNORMAL OPERATION OF COMMON MODE FEEDBACK May 14, 15 Sep 03, 15 ,
2015/0249,436 MULTI-STAGE AMPLIFIER WITH PULSE WIDTH MODULATION (PWM) NOISE SHAPING Apr 29, 15 Sep 03, 15 TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.,
2015/0249,437 VARIABLE GAIN MULTISTAGE AMPLIFIER AND RECEIVER Feb 20, 15 Sep 03, 15 PANASONIC CORPORATION,
2015/0249,444 APPARATUS AND METHOD OF CORRECTING OUTPUT CHARACTERISTICS IN A POWER COMBINATION APPARATUS Sep 30, 13 Sep 03, 15 SAMSUNG ELECTRONICS CO., LTD.,
2015/0249,533 SIGNAL PROCESSING APPARATUS Jan 12, 15 Sep 03, 15 KABUSHIKI KAISHA TOSHIBA,
2015/0244,322 BIAS CIRCUITS AND METHODS FOR STACKED DEVICES Jun 06, 14 Aug 27, 15 QUALCOMM INCORPORATED,
2015/0244,323 HARMONIC REJECTION POWER AMPLIFIER Feb 12, 15 Aug 27, 15 PANASONIC CORPORATION,
2015/0244,324 POWER AMPLIFICATION DEVICE AND TRANSMITTER Feb 19, 15 Aug 27, 15 PANASONIC CORPORATION,
2015/0244,325 LOAD CURRENT SENSOR FOR ENVELOPE TRACKING MODULATOR Feb 24, 14 Aug 27, 15 FUTUREWEI TECHNOLOGIES, INC.,
2015/0244,326 ADAPTIVE BIAS CIRCUIT AND POWER AMPLIFIER Sep 26, 14 Aug 27, 15 SAMSUNG ELECTRO-MECHANICS CO., LTD.,
2015/0244,327 AMPLIFIER CIRCUIT, BIASING BLOCK WITH OUTPUT GAIN COMPENSATION THEREOF, AND ELECTRONIC APPARATUS Feb 24, 14 Aug 27, 15 ADVANCED SEMICONDUCTOR ENGINEERING, INC.,
2015/0244,328 PPA Linearization Feb 24, 14 Aug 27, 15 TELEFONAKTIEBOLAGET L M ERICSSON (PUBL),

more results

Patents Issued To Date - By Filing Year

Average Time to Issuance

We are sorry but your current selection exceeds the maximum number of watches () for this membership level. Upgrade to our Level for up to watches!

UPGRADE MEMBERSHIP CANCEL
We are sorry but Dashboard Viewer is not able to watch the Technologies/Sub-Technologies.