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| Number | Title | Issue Date |
| 4360741 | Combined antenna-rectifier arrays for power distribution systems An electrical power distribution system wherein electromagnetic energy irradiates a large spatial area is configured to include an array of antenna-rectifier modules wherein the receive aperture of each module is established in accordance with the electro... | 11/23/1982 |
| 4329595 | AC Resonant charger with charge rate unrelated to primary power frequency An AC resonant charger for a capacitive load, such as a PFN, is provided with a variable repetition rate unrelated to the frequency of a multi-phase AC power source by using a control unit to select and couple the phase of the power source to the resonant... | 05/11/1982 |
| 4322790 | Calibration source for instruments to measure power and negative sequence current of dynamoelectric machines A calibration signal source for instruments to measure power and negative sequence current of a multi-phase electric power generator. Separate signals are provided to represent load current for each phase of the generator ultimately to be tested, and to r... | 03/30/1982 |
| 4319143 | Impedance converting circuit An impedance converting circuit having an impedance circuit connected in series to a load circuit and an active element having a main electrode connected to both ends of the load circuit and a control electrode connected to a reference potential. In this ... | 03/09/1982 |
| 4314192 | Electrical power generation apparatus and method utilizing electron beam discharge An apparatus and a method for generating electrical current in which electron beams are discharged through a succession of elongate electron beam channels arranged in a parallel array while a magnetic field is imposed on the array with flux directed perpe... | 02/02/1982 |
| 4274043 | Efficient, high power battery module; D.C. transformers and multi-terminal D.C. power networks utilizing same Multiterminal, high voltage D.C. power networks in which the sub-terminals are electrically isolated from each other comprise D.C. transformers, as the terminals. Each transformer comprises a large number of efficient, high energy batteries, connected as ... | 06/16/1981 |
| 4263517 | Control method and system for an high voltage direct current system A HVDC system has two converter stations, each of which has two converters connected in cascade to operate as a rectifier or an inverter and the stations are connected through a d.c. power transmission line to each other and are connected to respective a.... | 04/21/1981 |
| 4229664 | Photo electric methods and apparatus for regulating electrical power consumption in stores In the disclosed apparatus, a photo diode has an electrical impedance representative of the ambient light intensity. An amplifier connects to this photo diode and converts the impedance to an analog signal whose magnitude indicates the ambient light inten... | 10/21/1980 |
| 4219872 | Power supply A linear DC power supply provides high efficiency with substantially lower total capacitance than prior art linear DC power supplies. The power supply includes first and second input terminals, first and second output terminals, a center tap transformer, ... | 08/26/1980 |
| 4216385 | AC/DC Power supply device An AC/DC power supply device for operating a refrigerator compressor by switching over the AC operation mode in which the compressor is operated from AC power source and the DC operation mode in which the compressor is operated from DC power source throug... | 08/05/1980 |
| 4178628 | Switching type regulated power supply A power supply of the switching type having alternately conductive switching transistors coupled to the primary of a transformer, in which a control circuit insures that the switching transistors are never simultaneously conductive. The control circuit ut... | 12/11/1979 |
| 4163906 | Time division switching regulator A time division switching regulator wherein a single power source is connected to a plurality of inverters the outputs from which are rectified and smoothed and appear at respective output terminals, and the output voltages at said terminals are sequentia... | 08/07/1979 |
| 4161650 | Self-powered fiber optic interconnect system A self-powered fiber optic interconnect system in which electrical output from data transmitting equipment is converted in a transmitter unit to optical signals in a fiber optic cable for transmission to a receiver unit for reconversion to electrical sign... | 07/17/1979 |
| 4142230 | Sealed DC power converting station A sealed DC power converting station is provided with a bus bar group disposed at the central portion of the station and first and second groups of sealed controlled semiconductor switching units disposed on the opposite sides of the bus bar group. The sw... | 02/27/1979 |
| 4085334 | Electronic system for process instrumentation and control An electronic system for process instrumentation and control or a power supply system with a high reliability. In a plurality of instrumentation and control systems each including a plurality of measuring instruments and apparatus connected to a common DC... | 04/18/1978 |
| 4079268 | Thin conformal antenna array for microwave power conversion A structure of a circularly polarized, thin conformal, antenna array which may be mounted integrally with the skin of an aircraft employs microstrip elliptical elements and interconnecting feed lines spaced from a circuit ground plane by a thin dielectric... | 03/14/1978 |
| 3991320 | Electric branch-line combiner Electric power, transmitted to a typical building by lead-in wires and distributed throughout the building by branch lines from which only a fraction of such power is available at each existing branch outlet, is re-combined in an electric branch-line comb... | 11/09/1976 |
| 3942093 | Multiple corona generator system A solid state power supply system for multiple corona generators wherein a series of bridge connected corona generators share silicon controlled rectifiers (SCR's). This system provides means by which symmetrical high frequency power may be supplied to a ... | 03/02/1976 |
| 3939362 | Power pack with switch for plural primary-secondary connections A power pack unit includes a casing and cover and a transformer subassembly having a molded bobbin of insulating material which receives primary and secondary lugs, a selected primary and a secondary winding configuration, laminations, A.C. terminals, con... | 02/17/1976 |
