E
| Pass | Active Bias Circuit for Push-Pull Amplifiers | Nov | 1976 | 3 995 228
|
| Morez et al | Audio Power Amplifier with Automatic Bias Control | Feb | 1978 | 4 077 013
|
| Fukumoto et al | Audio Power Amplifier | May | 1978 | 4 087 761
|
| Pass | Constant-voltage Constant-Current Amplifier | Aug | 1978 | 4 107 619
|
| Stitt | Optically Coupled Bias Circuit | Oct | 1978 | 4 121 168
|
| Lunquist | Audio Amplifier Output Circuit | Mar | 1979 | 4 146 845
|
| Thornton | Eliminating On-Off Transitional Gain Variations | Jul | 1979 | 4 160 216
|
| Odell | Transistorised Power Amplifier | Nov | 1979 | 4 176 323
|
| Kawanabe | Push-Pull Amplifier Circuit. | Jul | 1980 | 4 215 318 |
|
| Takehara | Audio Power Amplifier | Dec | 1980 | 4 241 313
|
| Kawanabe | Push-Pull Amplifier Circuit. | Mar | 1981 | 4 254 379 |
|
| Okabe | Single-ended Push-Pull Amplifier | Jun | 1981 | 4 274 059 |
|
| Iwamatsu | Power Amplifier with Bias Circuit with Temp Compen | Nov | 1981 | 4 302 727
|
| Kondou | Push-Pull Amplifier | Dec | 1981 | 4 306 199
|
| Yamaguchi | Power Amplifier | Feb | 1982 | 4 316 149
|
| Kobayashi | Single-ended Push-Pull Amplifier | Feb | 1982 | 4 317 081
|
| Quilter | Time Delayed Variable Output Current-Limiting | Mar | 1982 | 4 321 554 | P
| Shibata et al | Bias Circuit for Power Amplifier | May | 1982 | 4 331 930
| | Otao | Power Amplifier Circuitry | Jun | 1982 | 4 334 197 |
| | Tamura | Power Amplifier Circuitry | Aug | 1982 | 4 342 966 | | R
| | Amada et al | Audio Frequency Power Amplifier Circuit | Aug | 1982 | 4 345 215
| | Iwamatsu | Class-A Push-Pull Amplifier with Bias Control | Oct | 1982 | 4 356 452
| | Tanaka | Distortion Correction Circuit for A Power Amplifier | Jan | 1983 | 4 367 442 | E
| Tanaka | Bias Circuit for Use In Push-Pull Circuit | Aug | 1983 | 4 401 951 | Ns | R | S
| Suzuki | Power Amplifier | Aug | 1983 | 4 401 954 |
| | Muller | Biasing Circuit for MOSFET Power Amplifiers | Sep | 1983 | 4 403 198
| | Gross | Audio Power Amplifier | Nov | 1983 | 4 415 868
| | Suzuki | Single-ended Push-Pull Amplifier With Two PushPull | Dec | 1983 | 4 422 050 | | R | S
| Velazquez | Audio Power Amplifier | Aug | 1984 | 4 464 634
Low
| | Strickland | Distortion-Free Complemented Error-Feedback Amplifier | Oct | 1984 | 4 467 288 | E
| Iwamatsu | Amplifier With Distortion Cancellation | Oct | 1984 | 4 476 442 | E
| Nijman et al | Amplifier Circuit | Nov | 1984 | 4 484 151
| | Ishikazi | Power Amplifier | Dec | 1984 | 4 489 283 | | R
| | Main et al | Bias Circuit Independent of Device Characteristics | Jan | 1985 | 4 491 804 | | R
| | Gunderson | Output Following Intermediate Cascode Circuit | Apr | 1985 | 4 511 857
| | Nakayama | Emitter-Follower Type Single-Ended Push-Pull Circuit. | May | 1985 | 4 520 323
| | Nakayama | Emitter-Follower Type Single-Ended Push-Pull Circuit. | Dec | 1985 | 4 558 288 |
| | Nakayama | Emitter-Follower Type Single-Ended Push-Pull Circuit. | Jun | 1986 | 4 595 883 | Ns | R | S
| van Tuijl | Push-Pull Amplifier with Stable Class AB Operation | Aug | 1986 | 4 607 233
| | Dijkmans et al | High Efficiency Low Distortion Amplifier | Aug | 1987 | 4 688 001 | G
| Wingate | Audio Power Amplifier | Aug | 1987 | 4 688 002
| | LaRosa et al | Class-G Bridge Amplifier with Unipolar Supplies | Jan | 1988 | 4 721 919
| | Pass | Opto-isolated Bias Circuit for Push-Pull Power Amplifiers | Jun | 1988 | 4 752 745
| | Verhoeven et al | Bridge Amplifier | Jul | 1988 | 4 758 796
| | Botti | Integratable Class-AB Output Stage | Mar | 1989 | 4 814 723 | | R
| | Botti | So-Called Bridge Audio Amplifier | May | 1990 | 4 922 207 | | R
| | Susak et al | Amplifier Output Stage | Feb | 1991 | 4 990 863 | IC
| Deaver | Automatically Biasing a Push-Pull Amplifier | Feb | 1991 | 4 991 916
| | Greame et al | Adaptive Bias Circuit for Preventing Turnoff | May | 1991 | 5 019 789
| | Chater | Bias Control for Power Amplifiers | Oct | 1991 | 5 055 797
| | Landi | High-Efficiency Class-A Amplifier | Oct | 1991 | 5 057 790 | Ns | R | S
| Padi | Working Point Adjusting Circuit for a Power Amplifier | Dec | 1991 | 5 070 308 | | R | S
| Alexander | Current Feedback Audio Amplifier | Mar | 1992 | 5 097 223
| | Waller | Audio Power Amplifier with Reactance Simulation | Dec | 1993 | 5 268 527
| | Dijkmans | Amplifier Having Temperature Compensated Bias | Aug | 1994 | 5 337 012
| | Pass | Efficient High Fidelity Audio Power Amplifier | Aug | 1994 | 5 343 166
| | Sondermeyer | High Efficiency Amplifier with Reduced Switching Distortion | Feb | 1995 | 5 387 876 | G
| Pass | Amplifier Having an Active Current Source | Jan | 1998 | 5 710 522
| | Candy | Amplifier Having Ultra-Low Distortion | Apr | 1999 | 5 892 398 | E
| Huijser | High Gain Low Distortion Bridge Amplifier with Feedback | May | 1999 | 5 903 189
| | Seven | High Power Output Stage with Temperature Stable Iq | Oct | 1999 | 5 973 563
| | Reffay | Power Amplifier Device | Jan | 2000 | 6 016 079
| | French et al | Derived Power Supply for Composite Bridge Amplifiers | Dec | 2000 | 6 160 455
| | Servaes et al | Power Amplifier Arrangement | Apr | 2001 | 6 215 356 | G
| Close | High Current OpAmp Output Stage | Jul | 2001 | 6 262 633 | IC
| Barbetta | Wide Bandwidth MOSFET Power Amplifier | Jul | 2001 | 6 268 770
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