This application is a continuation-in-part of application Ser. No. 643,315, filed Aug. 21, 1984, now U.S. Pat. No. 4,600,891 issued July 15, 1986.
Number | Name | Date | Kind |
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4178556 | Attwood | Dec 1979 | |
4600891 | Taylor, Jr. et al. | Jul 1986 |
Number | Date | Country |
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0063111 | May 1980 | JPX |
Entry |
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Audio, vol. 47, No. 6, Jun. 1963, pp. 24,26,28,30,49,50; US, G. F. Cooper: "Class D Amplifiers." |
Journal of the Audio Engineering Society, vol. 31, No. 11, Nov. 1983, pp. 842,853; New York, US; B. E. Attwood: "Design Parameters Important for the Optimization of Very-High-Fidelity PWM (Class D) Audio Amplifiers." |
Patents Abstracts of Japan, vol. 1, No. 153, Dec. 8, 1977, p. 8109 E 77 & JP-A-52 94 761 (Sony K.K.) 08-09-1977. |
Number | Date | Country | |
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Parent | 643315 | Aug 1984 |