Class H03G : CONTROL OF AMPLIFICATION
Subclass 3/08: Gain control in amplifiers or frequency changers (gated amplifiers H03F 3/72; peculiar to television receivers H04N) Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10955526 | Device and method for processing an input signal and radar device | Jan 03, 19 | Mar 23, 21 | Robert Bosch GmbH |
| 10063201 | Semiconductor integrated circuit, variable gain amplifier, and sensing system | Nov 21, 17 | Aug 28, 18 | Renesas Electronics Corporation |
| 9831842 | Semiconductor integrated circuit, variable gain amplifier, and sensing system | Sep 25, 15 | Nov 28, 17 | RENESAS ELECTRONICS CORPORATION |
| 9620097 | Guitar amplifier circuitry | Jan 13, 15 | Apr 11, 17 | BAD CAT HOLDINGS, LLC |
| 5524055 | Solid state circuit for emulating tube compression effect | Jan 18, 94 | Jun 04, 96 | Peavey Electronics Corporation |
| 5208548 | Programmable controls for vacuum tube preamplifier | May 08, 92 | May 04, 93 | SMITH, RANDALL C. |
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