Description
CONTROL OF AMPLIFICATION (impedance networks, e.g. attenuators, H03H; control of transmission in lines H04B 3/04)
H03G
Technology
Sub-Class
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- 74 2892 US PATENTS IN FORCE
- 696 US APPLICATIONS PENDING
- 1637 Total Patent Owners
- 10192 TOTAL INVENTORS
Subclasses
| Subclass | Title |
|---|---|
| 1/00 | Details of arrangements for controlling amplification |
| 1/02 | Details of arrangements for controlling amplification Remote control of amplification, tone, or bandwidth (remote control in general G05, G08; combined with remote tuning or selection of resonant circuits H03J) |
| 1/04 | Details of arrangements for controlling amplification Modifications of control circuit to reduce distortion caused by control (modifications to reduce influence of variations of internal impedance of amplifying elements caused by control H03F 1/08) |
| 3/00 | Gain control in amplifiers or frequency changers (gated amplifiers H03F 3/72; peculiar to television receivers H04N) |
| 3/02 | Gain control in amplifiers or frequency changers (gated amplifiers H03F 3/72; peculiar to television receivers H04N) Manually-operated control |
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 9,123,322 | Howling suppression device, hearing aid, howling suppression method, and integrated circuit | Jul 30, 12 | Sep 01, 15 | PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. |
| 9,124,219 | Audio driver system and method | Jun 22, 11 | Sep 01, 15 | CONEXANT SYSTEMS, INC. |
| 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. |
| 9,124,228 | Amplifiers with boosted or deboosted source degeneration inductance | Apr 04, 13 | Sep 01, 15 | QUALCOMM INCORPORATED |
| 9,124,231 | Soft turn-off for boost converters | Jan 28, 13 | Sep 01, 15 | QUALCOMM INCORPORATED |
| 9,124,232 | Gain controlling system, sound playback system, and gain controlling method thereof | Oct 29, 13 | Sep 01, 15 | PRINCETON TECHNOLOGY CORPORATION |
| 9,124,233 | Audio equalizer and methods for use therewith | Aug 25, 10 | Sep 01, 15 | VIXS SYSTEMS, INC. |
| 9,124,234 | Method and apparatus for adaptive automatic gain control | May 06, 14 | Sep 01, 15 | ENTROPIC COMMUNICATIONS, LLC |
| 9,124,315 | Compressed amplitude wireless signal and compression function | Nov 05, 13 | Sep 01, 15 | AT&T MOBILITY II LLC |
| 9,124,467 | Receiver gain adjustment to reducing an influence of a DC offset | Nov 30, 10 | Sep 01, 15 | TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
| 9,117,436 | Sound processing apparatus and sound processing method | Oct 21, 11 | Aug 25, 15 | YAMAHA CORPORATION |
| 9,117,455 | Adaptive voice intelligibility processor | Jul 26, 12 | Aug 25, 15 | DTS LLC |
| 9,117,459 | Processing of audio signals during high frequency reconstruction | Jul 14, 11 | Aug 25, 15 | DOLBY INTERNATIONAL AB |
| 9,118,281 | Integrated start-up bias boost for dynamic error vector magnitude enhancement | May 17, 13 | Aug 25, 15 | MICROSEMI CORPORATION |
| 9,118,290 | Speed dependent equalizing control system | May 29, 12 | Aug 25, 15 | HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH |
| 9,118,291 | Voltage supply circuit, audio output apparatus, and voltage supplying method | Mar 07, 13 | Aug 25, 15 | WISTRON CORPORATION |
| 9,118,292 | Bell sound outputting apparatus and method thereof | Jul 29, 11 | Aug 25, 15 | SAMSUNG ELECTRONICS CO., LTD. |
| 9,118,294 | Receiving device and gain control method | Jul 06, 12 | Aug 25, 15 | NEC CORPORATION |
| 9,118,296 | Clipping protection in fixed-width audio mixing | Jan 30, 13 | Aug 25, 15 | GOOGLE INC. |
| 9,118,403 | Thermally compensated CATV gain control apparatus and firmware | Nov 14, 12 | Aug 25, 15 | ACI COMMUNICATIONS, INC. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2015/0249,435 | ANALOG AMPLIFIER FOR RECOVERING ABNORMAL OPERATION OF COMMON MODE FEEDBACK | May 14, 15 | Sep 03, 15 | Not available |
| 2015/0249,437 | VARIABLE GAIN MULTISTAGE AMPLIFIER AND RECEIVER | Feb 20, 15 | Sep 03, 15 | PANASONIC CORPORATION |
| 2015/0243,271 | ACTIVE NOISE CONTROL WITH COMPENSATION FOR ACOUSTIC LEAK IN PERSONAL LISTENING DEVICES | Feb 22, 14 | Aug 27, 15 | APPLE INC. |
| 2015/0244,336 | WIRELESS MICROPHONE MUTE CONTROL OVERRIDE | Mar 24, 14 | Aug 27, 15 | REVOLABS, INC. |
| 2015/0244,337 | METHOD AND APPARATUS FOR AUTOMATICALLY CONTROLLING GAIN BASED ON SENSITIVITY OF MICROPHONE IN ELECTRONIC DEVICE | Feb 23, 15 | Aug 27, 15 | SAMSUNG ELECTRONICS CO., LTD. |
| 2015/0244,338 | WIRELESS COMMUNICATION DEVICE, METHOD AND POWER AMPLIFIER OF THE SAME | Dec 07, 14 | Aug 27, 15 | HTC CORPORATION |
| 2015/0244,404 | RADIO FREQUENCY CHANNEL | Dec 24, 14 | Aug 27, 15 | HUAWEI TECHNOLOGIES CO., LTD. |
| 2015/0244,556 | CIRCUITS, SYSTEMS, AND METHODS FOR MANAGING AUTOMATIC GAIN CONTROL IN QUADRATURE SIGNAL PATHS OF A RECEIVER | Dec 10, 14 | Aug 27, 15 | |
| 2015/0245,153 | OBJECT-BASED AUDIO LOUDNESS MANAGEMENT | Feb 26, 15 | Aug 27, 15 | DTS, INC. |
| 2015/0233,981 | AUTOMATIC GAIN CONTROL APPARATUS, AUTOMATIC GAIN CONTROL METHOD, AND RECEIVER | Feb 10, 15 | Aug 20, 15 | SONY CORPORATION |
| 2015/0236,653 | Limiting Amplifiers | Feb 09, 15 | Aug 20, 15 | INFINEON TECHNOLOGIES AG |
| 2015/0236,654 | Envelope Tracking Apparatus and Method | Feb 19, 14 | Aug 20, 15 | FUTUREWEI TECHNOLOGIES, INC. |
| 2015/0236,663 | Equalization of Frequency-Dependent Gain | Feb 10, 15 | Aug 20, 15 | VIASAT, INC. |
| 2015/0236,664 | SOUND ENHANCEMENT FOR TELEVISION SPEAKERS | Feb 20, 14 | Aug 20, 15 | MAX SOUND CORPORATION |
| 2015/0236,733 | METHOD AND APPARATUS FOR IMPROVING AUDIO RECEPTION IN A PAGING DEVICE | Feb 14, 14 | Aug 20, 15 | MOTOROLA SOLUTIONS, INC. |
| 2015/0237,444 | SYSTEM AND METHOD FOR EXTRACTING PARAMETERS OF A SPEAKER WITHOUT USING STIMULUS | Sep 02, 14 | Aug 20, 15 | MAXIM INTEGRATED PRODUCTS, INC. |
| 2015/0237,454 | CONTENT-AWARE AUDIO MODES | Feb 20, 14 | Aug 20, 15 | BOSE CORPORATION |
| 2015/0237,583 | CURRENT-EFFICIENT LOW NOISE AMPLIFIER (LNA) | Feb 14, 14 | Aug 20, 15 | QUALCOMM INCORPORATED |
| 2015/0224,942 | INTEGRATED ENTERTAINMENT DEVICE FOR VEHICLES | Mar 18, 14 | Aug 13, 15 | |
| 2015/0229,280 | NONLINEAR CLASS AB INPUT STAGE | Feb 11, 15 | Aug 13, 15 | TEXAS INSTRUMENTS INCORPORATED |
Top Owners in This Class
Top Owners in This Subclass
Applications Filed in This Class - By Year
Applications Filed in This Subclass - By Year
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)
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