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| Number | Title | Issue Date |
| 7310179 | Method and device for selective adjustment of hysteresis window The width and location of a hysteresis window of an interferometric modulator may be altered by adjusting various physical characteristics of the interferometric modulator. Thus, depending on the particular application for which the interferometric modulators are ma... | 12/18/2007 |
| 7002931 | Power efficient line driver with high performance echo cancellation for 1000BASE-T A 1000BASE-T transceiver linked to an unshielded twisted pair (UTP) through a transformer currently transmits and receives outgoing and incoming signals via the UTP. The transceiver employs an energy efficient class B or AB line driver supplying asymmetric output cu... | 02/21/2006 |
| 6795493 | Circuit for a transceiver output port of a local area networking device A circuit for a transceiver output port of a local area networking device is provided and includes a first and a second current source coupled to the ground, a first and a second resistor coupled to the supply voltage, wherein the resistances of the first and the se... | 09/21/2004 |
| 5754118 | Internally redundant microwave switch matrix A switch matrix having internal redundancy by combining outputs of two internal channels to form one single internally redundant channel. 1 by N, M by 1 and M by N switch matrices may be constructed using the principles of the present invention. Each inpu... | 05/19/1998 |
| 5184085 | High-voltage pulse generating circuit, and discharge-excited laser and accelerator containing such circuit A first high-voltage pulse generating circuit comprises a magnetic pulse compression circuit having a main saturable reactor provided with a reset circuit, the reset circuit being provided with a second saturable reactor for providing pulse voltage or cur... | 02/02/1993 |
| 4883977 | Magnetic power converter A symmetrical, figure 8 shaped, magnetic circuit is provided with reduced size end loops each including an electromagnetic reverse winding which, when excited, opposes the adjacent magnetic flux. A further set of forward windings adjacent each end loop is... | 11/28/1989 |
| 4835411 | Active filter unit An active filter unit comprising a first active filter which operates under low-frequency PWM control for controlling the fundamental and low-order harmonic capacity and a second active filter which operates under high-frequency PWM control for controllin... | 05/30/1989 |
| 4789795 | Logic voting-circuit A majority logic voting system employs at least three magnetic AND gates, each having first and second inputs and an output. The first input to each gate is connected as the second input to another gate and the outputs are connected in common so that the ... | 12/06/1988 |
| 4701640 | Electret transducer and method of fabrication An electret transducer is comprised of a motor and signal processing apparatus, that may include an amplifier and/or impedance matching means, disposed within a sealed conductive housing. The motor is fabricated in place within a housing and the signal pr... | 10/20/1987 |
| 4352032 | Apparatus for computing the quotient of two inductances in an automotive control element position sensor The ratio of the inductance of a measuring coil to that of a reference coil is formed by an operational amplifier. Specifically, the measuring coil is connected between the output and the inverting input of the operational amplifier, the reference coil be... | 09/28/1982 |
| 4280064 | Signal isolator An improved signal isolator including two nonlinear circuits having nonlinear voltage-to-current characteristics, in which an input network is formed by connecting one of the nonlinear circuits in series with the primary winding of a transformer, and an o... | 07/21/1981 |
| 4258312 | Vital voltage regulator and phase shift circuit arrangement The primary winding of a saturable transformer is coupled to an alternating current source by a series tuned filter network. The transformer secondary winding is coupled to a load network by a second series filter tuned to the source frequency to block ha... | 03/24/1981 |
| 3936721 | Electrical power supplies An electrical power supply arranged to provide an alternating voltage output, which includes a pair of transductors or saturable reactors connected in phase opposition in series to the output and provided with means for supplying them with a constant d.c.... | 02/03/1976 |
