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| Number | Title | Issue Date |
| 7368836 | Volt-second synchronization for magnetic loads A method and device for connecting a load to an AC power source is arranged to ensure that the volt-second ratings of magnetic devices in the load are not exceeded, in order to limit in-rush currents resulting from saturation of the magnetic devices. In the case whe... | 05/06/2008 |
| 6594292 | Saturable reactor and power source apparatus for pulse laser utilizing same A saturable reactor is in a conductive state or has a magnetic switching function depending on the direction of the current flowing through it. Also provided is a power source apparatus for pulse laser utilizing the satiable reactor. The saturable reactor... | 07/15/2003 |
| 5861220 | Method and apparatus for providing a magnetic storage and reproducing media with a keeper layer having a longitudinal anisotropy A magnetic storage medium comprises a keeper layer of soft magnetic, saturable material disposed upon a magnetic storage layer. The keeper layer is disposed above the magnetic storage layer, and a non-magnetic "break" layer may be used between the keeper ... | 01/19/1999 |
| 5830587 | Magnetic devices with enhanced poles A process resulting in enhanced pole performance, relative to permalloy poles, in narrow track magnetic devices. A preferred process includes increasing the anisotropy field of the pole material while maintaining an acceptable coercivity level and near ze... | 11/03/1998 |
| 5804282 | Magnetic core A magnetic core is obtained by winding or laminating at least one alloy ribbon and has excellent squareness characteristic and magnetic saturation characteristic in a high frequency region wherein the squareness ratio of the magnetic core is improved by r... | 09/08/1998 |
| 5786103 | Soft magnetic film and magnetic head employing same A soft magnetic film having a high saturation magnetic flux density and superior soft magnetic properties and capable of maintaining superior soft magnetic properties when worked to a magnetic head. The magnetic film is represented by the general formula ... | 07/28/1998 |
| 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 |
| 5622768 | Magnetic core A magnetic core is obtained by winding or laminating at least one alloy ribbon and has excellent squareness characteristic and magnetic saturation characteristic in a high frequency region wherein the squareness ratio of the magnetic core is improved by r... | 04/22/1997 |
| 5157272 | Pulse forming networks In a pulse forming electrical circuit suitable for use with a gas discharge laser having continuously falling impedance, there is provided a saturable inductor operable to cause the output impedance of the circuitry to vary with the current drawn by the l... | 10/20/1992 |
| 4928020 | Saturable inductor and transformer structures for magnetic pulse compression Saturable inductor and transformer for magnetic compression of an electronic pulse, using a continuous electrical conductor looped several times around a tightly packed core of saturable inductor material.... | 05/22/1990 |
| 4912403 | Apparatus and method for isolating and connecting two electrical circuits An inductor used to allow in-circuit and functional testing at the same point on a test system. An inductor is used having a saturated state wherein the inductor functions to connect the test system to the device under test wherein when a large direct cur... | 03/27/1990 |
| 4871925 | High-voltage pulse generating apparatus A high-voltage pulse generating apparatus having at least one magnetic switch comprising a magnetic core constituted by an Fe-base soft magnetic alloy ribbon wound in a toroidal form, the alloy having the composition represented by the general formula: ... | 10/03/1989 |
| 4849691 | Apparatus and method for isolating and connecting two electrical circuits An inductor used to allow in-circuit and functional testing at the same point on a test system. A inductor is used having a saturated state wherein the inductor functions to connect the test system to the device under test wherein when a large direct curr... | 07/18/1989 |
| 4818892 | Laser device with high-voltage pulse generator, high-voltage pulse generator and pulse generating method A laser device equipped with a high-voltage pulse generator wherein the pulse generator supplies an electric energy from a dc power source in an on-off form of a supply voltage to a tank circuit through a transformer, with the switching on and off of the ... | 04/04/1989 |
| 4707619 | Saturable inductor switch and pulse compression power supply employing the switch A saturable inductor switch. The switch includes a number of spaced cores disposed adjacent one another with each core being made of ferromagnetic material. An insulative layer is disposed about each core and each core has an electrical winding about the ... | 11/17/1987 |
| 4661722 | Fail-safe pulse coincidence detector A fail-safe electronic coincidence detecting circuit including a multiple winding saturable core reactor having a first and a second input winding and an output winding. An NPN transistor amplifier supplying a first pulse train to the first input winding ... | 04/28/1987 |
| 4645950 | Two-lead Hall effect sensor A two-lead Hall effect sensor (10) has a combined voltage supply and output terminal (12) and a ground or reference terminal (14). A Hall device (16), a comparator (18) and a voltage/current converter (20) are each connected between terminals (12) and (14... | 02/24/1987 |
| 4639610 | Rotating flux transformer A rotating flux transformer having at least two magnetic cores, each in the form of a torus, with each magnetic core having poloidal and toroidal windings. The need for breaking the torus and bringing out leads from the poloidal winding is eliminated by p... | 01/27/1987 |
| 4611127 | Electronic sensor for static magnetic field A magnetic field sensor including a resonant circuit having a coil. The resonant frequency varies with the strength of the magnetic field which passes through the coil. The resonant circuit is energized for approximately one-half cycle of the resonant fre... | 09/09/1986 |
| 4567383 | Fluxoid type superconducting logic element A fluxoid type superconducting logic element essentially comprises a single main superconductor loop and a switching element connected across the main superconductor loop. When the switching element is open, a permanent current flows in the main supercond... | 01/28/1986 |
| 4549091 | Electrical excitation circuit for gas lasers An electrical excitation circuit is disclosed for a gas laser. The electrical excitation circuit includes a charging circuit connected in series with a pulse forming network between a power source and the laser load. The charging circuit includes a capaci... | 10/22/1985 |
| 4424459 | High frequency switching circuit A high frequency switching circuit comprised of a single-ended switching circuit, rectifying-smoothing circuit and magnetic amplifier which is connected between said single-ended switching circuit and rectifying-smoothing circuit. The magnetic amplifier i... | 01/03/1984 |
| 4401902 | High frequency switching circuit A switching element is connected between a power supply and the primary winding of a transformer, and it is on-off controlled with a predetermined cycle and with a predetermined conducting period. The secondary winding of the transformer is connected to a... | 08/30/1983 |
| 4399376 | High frequency switching circuit A switching element, a transformer having a primary winding connected through said switching element to a DC power supply and a resonance capacitor connected in parallel with the primary winding of said transformer constitute a single-ended switching circ... | 08/16/1983 |
| 4275317 | Pulse switching for high energy lasers A saturable inductor switch for compressing the width and sharpening the rise time of high voltage pulses from a relatively slow rise time, high voltage generator to an electric discharge gas laser (EDGL). The switch also provides a capability for efficie... | 06/23/1981 |
| 4233529 | Transistors power stages In circuitry comprising a switching power output transistor stage and a driver transistor circuit, energy is stored in a magnetic circuit during the transistor on time to provide the turn off current. First and second magnetically coupled inductors are co... | 11/11/1980 |
