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A small umbrella which may be removably attached to a beverage container in order to shade the beverage container from the direct rays of the sun.
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| Number | Title | Issue Date |
| 7368982 | Balanced output circuit and electronic apparatus utilizing the same In a balanced output circuit, an input signal inputted thereto is provided as a first output signal thereof on one hand, and on the other hand the input signal is inputted to an inverting amplification circuit and is compared with a comparison voltage before the sig... | 05/06/2008 |
| 7183842 | Optimum composite cascode amplifier An improved amplifier circuit which effectively combines two amplifier stages by utilizing two nested feedback loops so that an inverting amplifier topology is used with a FET input device, operating as a common source/emitter configuration cascoded by the inverting... | 02/27/2007 |
| 7078965 | Servo balancing among driver devices A method and apparatus for reducing imbalances among the outputs of a plurality of driver devices connected in a parallel configuration to drive a common load. One driver is designated as the master, and suitable servo circuitry is provided to each of the other slav... | 07/18/2006 |
| 4814720 | Low noise crossed-field amplifier In a forward wave low noise cross-field amplifier a slow wave structure is disposed about a predetermined portion of the cathode. The slow wave structure of the cathode is accurately proportioned and spaced to have a dispersion curve near to the dispersio... | 03/21/1989 |
| 4634992 | Magnetron amplifier power combiner A microwave circuit for combining the high output power of two phase and amplitude controllable amplifiers (e.g. magnetron amplifiers) is described. The circuit uses a "Magic T" circuit to reduce the magnitude of the amplified power which must be dissipat... | 01/06/1987 |
