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Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7170261 | Generator with dual cycloconverter for 120/240 VAC operation A generator system has two modes of operation, such as 120 VAC and 240/120 VAC. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltage. One three phase AC voltage is coupled to a first ... | 01/30/2007 |
| 7102331 | Generator with dual cycloconverter for 120/240 VAC operation A generator system in accordance with the invention has two modes of operation, such as 120 VAC and 240/120 VAC modes of operation. The generator system has a permanent magnet generator with two independent sets of windings that each generate a three phase AC voltag... | 09/05/2006 |
| 5640313 | Inverter unit The present invention is disclosed to provide an inverter allowing a remarkable reduction in the number of parts used for an inverter unit which can improves the efficiency and allows current control in a wide range. Namely, the inverter unit for converti... | 06/17/1997 |
| 4886952 | Power source device for high-frequency induction heating A power source device for high-frequency induction heating is disclosed. In this power source device, a plurality of high-frequency electric powers of different frequencies are supplied to the heating coil of a high-frequency induction heating appartus su... | 12/12/1989 |
| 4356456 | Division by noninteger numbers using synchronous oscillators A synchronous oscillator is provided to divide the frequency of an input signal by a noninteger number, the noninteger number being expressed as the ratio of two whole integers X/Y. The oscillator is tuned to the desired output frequency, whereby every Yt... | 10/26/1982 |
| 3982168 | Phase shifter for controlling the power components and power factor of a cycloconverter A phase shifter circuit generates cycloconverter reference signals for independently and linearly controlling the real power and input power factor or real and reactive power in either polarity. Using the per phase line voltage as a reference phasor, its ... | 09/21/1976 |
