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| Number | Title | Issue Date |
| 7218059 | Discharge-lamp control device A discharge-lamp control device for lighting a discharge-lamp includes two electrodes, first and second driving units to supply power to the discharge-lamp through the electrodes, respectively. Each driving unit includes a transformer having primary and secondary co... | 05/15/2007 |
| 6232847 | Trimmable singleband and tunable multiband integrated oscillator using micro-electromechanical system (MEMS) technology A high-Q precision integrated reversibly trimmable singleband oscillator and tunable multiband oscillator are presented that overcome the problems laser trimming and solid state switches. This is accomplished using micro-electromechanical system (MEMS) te... | 05/15/2001 |
| 6121850 | Digitally adjustable inductive element adaptable to frequency tune an LC oscillator A digitally adjustable inductive element which can be implemented in an integrated circuit. The digitally adjustable inductive element can include a first inductor, and a digital inductance controller operatively coupled to the first inductor which can be... | 09/19/2000 |
| 5994985 | Integrable high-Q tunable capacitor and method A high-performance integrable tunable inductor includes a "primary" coil and a "drive" coil placed in close proximity to each other and simultaneously driven with primary and drive currents, respectively. The drive current induces mutual components of ind... | 11/30/1999 |
| 5864267 | Electronic-tuning type radio-frequency tuning circuit A radio-frequency tuning circuit includes an input tuning transformer, and an output tuning transformer. The input tuning transformer comprises a primary coil adapted to serve as input coil, and a secondary coil to which a pair of variable-capacitance dio... | 01/26/1999 |
