Abstract: A portable, handheld power supply system is disclosed for electrically powering a variety of interconnectable power consumption/distribution devices. The system comprises a power supply unit having a battery disposed therein, a power supply unit having first and second side portions and brackets disposed thereon. The brackets are provided with electrical contacts for communicating power between the battery and the interconnected power distribution/consumption devices, the battery being directly connected to the electrical contacts. The brackets are formed to include longitudinal channels extending along side portions of the power supply unit to provide secure mechanical engagement to the power distribution/consumption devices and electrical communication therebetween.

Abstract: An electrical power supply unit for the supply of low power loads is provided with a capacitor constructed in the form of a flat piece, having a large cross-section and a small height perpendicular to the plane of the large cross-section. This provides a particularly compact construction, in particular when the capacitor and a transformer or choke coil arrangement are accommodated in a common housing, which also enables a correspondingly compact illuminating lamp to be realized.

Abstract: A high voltage generator comprises a transformer unit for boosting an inputted AC voltage and a rectifier unit for rectifying the AC voltage boosted by the transformer unit, the transformer unit and the rectifier unit being assembled as high voltage components, wherein the high voltage components are molded by a solid insulation material with the high voltage components being separated from each other by a predetermined distance to thereby form the high voltage components to a single block member. An electric conductive layer is formed on an outside surface of the block member. The high voltage generator is utilized for an X-ray generator and a DC high voltage output generated from the rectifier unit serves as a power supply for generating X-rays. A filament heating transformer is further disposed as a high voltage component for supplying an AC power for heating filaments of the X-ray tube.

Abstract: A voltage converter is disclosed which converts an open circuit voltage from approximately 80 volts to about 120 volts DC. The voltage source which is converted is supplied by a welding machine. The converted voltage is used to power electric tools while drawing a relatively small amount of power from the welding machine. The converter includes a housing with two input leads for connection to the welding machine and an output receptacle in which electrical tools are plugged to receive power. Inside the housing are the components of the voltage conversion circuitry which latter is adapted to convert to an output voltage at the desired level. In an alternative arrangement, the circuit may produce an AC output voltage instead.

Abstract: A power converter for providing a selectable desired voltage has a converter circuit having an input port for receiving an input of a first voltage and an output port for providing an output of a second voltage. The converter circuit also has a keyway for receiving a key. The key, which is configured to be received by the keyway, contains an electrical component and has a body within which the electrical component is disposed. The output voltage of the converter is determined by the value of the component disposed within the body of the key such that the output voltage can be varied by replacing the key with another key having an electrical component of a different value.

Abstract: This device for converting a very-low-amplitude steady voltage signal into an alternating voltage signal, of the type comprising a centre-tapped transformer (1) associated with a transistor (3,4) chopper (2), is characterised in that the transformer (1) and the transistors (3,4) are arranged in a housing (15) held at very low temperature and in which is arranged a material (20) for thermal insulation of the transistors (3,4) with respect to the rest of the housing so as to reduce temperature fluctuations and allow operation of these transistors by self-heating due to their drive current.

Abstract: A power supply control system including a variable power converter for converting electric power from a power supply to a load into that of a specification required by the load in response to a power specification information source provided on the load side. With a change in the load, the information source also changes, thereby providing a flexible power supply control system capable of meeting different loads. For applications to a high power supply, the system comprises a plurality of variable power converters adapted to operate selectively in accordance with requisite power information sources provided in or on the side of a plurality of loads, thereby providing a system realizing a flexible power supply. For application to a low power supply, the system comprises a plug having a power specification information source and a socket having a variable power converter.

Abstract: An improved power supply adapter is provided for plug-in connection to a standard AC power supply receptacle, and to provide a DC voltage to an associated electronic instrument. The power supply adapter comprises a relatively compact case having an end face with a plurality of conductive prongs protruding therefrom for plug-in connection to an AC receptacle, such as one socket of a standard duplex or quad wall outlet or the like. An AC adapter assembly is mounted within the adapter case with the components of the AC adapter assembly arranged generally in-line between the conductive prongs and a power cord adapted for connection to the associated electronic instrument. This in-line geometry permits the adapter case to have a relatively narrow width and low profile height conforming with a single electrical socket, whereby plug-in connection of the adapter to an electrical socket does not obstruct access to adjacent sockets.

Abstract: An electrical device is provided for converting alternating current to direct current for an incandescent lightbulb circuit to extend the life of the bulb and reduce power consumption. The device provides a housing containing a diode rectifier adapted to be electrically connected to an alternating current source of supply and the incandescent lightbulb circuit. A resettable circuit breaker is employed to break the circuit when overloaded with an external resettable switch. The housing may further be provided with a low silhouette and a plug in order that the device may simply be plugged into an electrical wall receptacle. For ease of connection to the incandescent lightbulb circuit, an electrical receptacle may be provided on the exterior of the housing to receive a plug from the lightbulb circuit.

Abstract: A universal adapter includes a casing, a plurality of plugs formed on one side of the casing having different-shaped plug pins adapted to be plugged in different sockets of multiple nations around the world, a converter selected from a transformer, a rectifier or both mounted in the casing for transforming and/or rectifying an input power, a selector switch rotatably mounted in the casing for outputting a converted power through the converter or outputting a power without being converted, and an output socket formed on the other side of the casing adapted to be connected with a plug of an electrical appliance or equipment carried or owned by a user for a convenient universal electrical connection, especially better for travelling purpose.

Abstract: A supply circuit for supplying electronic devices with current or voltage and mountable as a module has input and output connections, a rectifier cirucit, a transformer having a primary winding coupled with the inputs of the supply circuit and a secondary winding coupled with the rectifier circuit and at least one high-capacity capacitor. The capacitor is coupled with an output of the rectifier circuit for smoothing generated direct current or direct voltage. The capacitor has a housing which housesd the capacitor, the rectifier circuit and the transformer in or on the housing. The input and output connections are arranged on the housing so as to be accessible from outside of the housing. At least a parat of the housing consists of a magnetizable material and carries the primary and secondary windings in the manner of a winding body.

Abstract: A power supply structure is disclosed in which a base member has first and second sets of plug pin receiving openings with electrically conductive sockets behind the openings. Each first set is grouped with a second set, and the sets are provided with power from separate sources e.g. clean and contaminated power. Socket modules each of which includes electrically conductive pins can be plugged into the openings. Each socket module has plug pin receiving openings for receiving plugs on power leads. In one form each socket module is unplugged from the base member, turned through 180 degrees and plugged into the base member again to change from one type of power to another. In a further form the base member includes switches which provide power selectively to the socket behind the first and second sets of openings.

Abstract: Disclosed herein is an improved light bulb life extender device made in a small disc-like form and designed to be removably insertable into an Edison-type light bulb socket. The inventive device is operative to place in series with a source of electrical power a silicon bilateral voltage triggered switch specifically designed to allow a voltage output of a predetermined percentage of the voltage inputted thereto. Through this reduction in voltage, the associated light bulb will burn slightly less brightly but with significantly extended life span.

Abstract: A watthour meter socket adapter includes a housing with electrical contacts which receive the terminals of a watthour meter and terminals which are insertable into the contacts of an electrical watthour meter socket. First and second seal connectors sealingly connect the adapter housing to the socket and a watthour meter to the adapter housing to control access to the socket, adapter and watthour meter. The interface connection includes an electrical connector mounted in an enclosure and connected to the contacts in the adapter housing to provide electrical power to an external interface. A third seal is connected and attached to the enclosure to control access to the electrical connections housed therein. In one embodiment, the enclosure is separate from and mounted on the adapter housing. In another embodiment, the enclosure is in the form of a sleeve mounted internally within the adapter housing with an open end allowing connection to an external electrical device.

Abstract: In a system for supplying DC power to musical effect units a cord is provided having descrete jacks at each end for supplying power to and conducting a signal from or to the effect unit. The jacks at the respective ends are connected by short lengths of flexible cable which allow them to be plugged into receptacles whose spacings may vary. In the power supply unit according to the invention a male jack, by which the unit may be suspended from a wall outlet or the quarter inch female jack in the face of the amp, is connected to the main body of the unit by means of a flexible sheet of material which reduces the stress on the respective jacks. The AC/DC conversion unit according to the system of the invention is advantageously disposed in the vicinity of the other units such as the amp which require AC power. Thus by consolidating the power supply cord with the signal conducting cord the number of cords extending into the performance area can be advantageously reduced.

Abstract: An electrical power converter having an electrical transformer including a non-conductive bobbin carrying electrical windings, all of which is enclosed in a split housing forming top and bottom members, one of which members is an integrally formed latch disposed internally of the housing and adapted to fasten the top and bottom members together, and where the bobbin carries front and back structural extensions to make respective contact with the latch and the opposing rear wall of the housing and forming, with the bobbin, a compression brace to prevent unlocking movement of the latches after the top and bottom members have been mated together.

Abstract: A plug-in power supply includes a housing dimensioned to fit into a space designed to accept a circuit breaker in a load center to provide D.C. power from an A.C. main power. The housing encloses a circuit card that has components that are connected between A.C. inlet terminals and D.C. output terminals to provide a peak current for a short duration, limit the output to a D.C. voltage maximum, and interrupt the output current when the output voltage drops below a certain level.

Abstract: A socket adaptor is provided for use with light bulbs in either 110 V or 220 V circuits. The device includes a housing having first and second ends for placement into a light bulb socket and retaining of a light bulb respectively. The interior of the housing may include a circuit board with a rectifier fastened thereto. The circuit board may also have a thermistor and a bridge rectifier fastened thereto.

Abstract: An electrical tap switch is provided that allows a user to control two power outlets. In one embodiment the tap switch is used in-line between one extension cord and two additional ones. In another embodiment the tap switch is plugged directly into a wall receptacle and is permanently secured using a screw mechanism. An indicator is used to display the on-off status of the tap switch. A bar graph current indicator is provided that displays the total current drawn by all loads.

Abstract: A 3-phase bridge converting circuit module having six switches, leads connected to the control input terminal of each switch, a lead connected to one terminal of each of the first to third switches, three AC phase leads connected to another terminal of each of the first to third switches, the fourth to sixth switches each connected to one of the AC phase leads, and a lead connected to other terminals of the fourth to sixth switches. A SIP type package seals the inner lead sections of the leads and the six switches. The control leads of the fourth to sixth switches and the lead connected to the other terminals of the fourth to sixth switches are arranged adjacent to one another or a pair of the control lead for the first switch and the first AC phase lead, a pair of the control lead for the second switch and the second AC phase lead, and a pair of the control lead for the third switch and the third AC phase lead are arranged adjacent to one another.

Abstract: A multi-wire data transmission cable for transmitting data signals over long distances between data devices. Presently, data devices are usually equipped with voltage interfaces for the connection of peripheral instruments. The length of data transmission lines connecting such devices is limited, due to line resistences. For transmission over long distances, signals must be converted prior to transmission and then must be reconverted after receipt of transmission. The present invention allows the connection of long transmission lines to data devices without the need of external signal converters or additional units normally required. The handle portion of the plug connection at either or both ends of the cable houses a circuit that incorporates a signal converter. No additional external units are required to connect data devices over long distances, since the converter is integrated into the cable.

Abstract: A power module for an electrostatic air cleaner in which an electronic power supply circuit and its components are enclosed within a relatively small modular housing having an AC voltage input in the form of plug-in blades particularly adapted to be inserted within a standard or conventional AC electrical outlet, and a cable for transmitting the high-voltage DC output from the housing to the air cleaner.

Abstract: A unitary housing (10) characterized in that it has an outlet (13) arranged to receive an electrical plug via an electrical voltage converter, as defined, said converter being connected on or in said housing to an electrical plug with multiple inlet pins (I.sub.2 I.sub.3 I.sub.4 I.sub.5) that are able to be arranged readily to fit the various geometries (FIGS. 5.sub.A -5.sub.D) of electrical voltage power outlet sockets to be found in the different major countries of the world.

Abstract: In a high voltage rectifier for use in a television receiver set, a resistor block is incorporated therein to produce focusing and screen voltages, and a focusing voltage feeder for supplying the focusing voltage to a cathode ray tube is covered by a screen voltage feeder for supplying the screen voltage to the cathode ray tube to form a unitary high voltage insulated cable.

Abstract: A flyback transformer which has a coil bobbin provided with a low voltage coil and high voltage coil and a plurality of terminal pins to which the lead wires of these coils are to be connected and attached to the leg of the core, a hollow cylindrical housing which houses the coil bobbin and a housing cap provided with a through hole into which the leg of a core is inserted and contains a rectifier circuit which rectifies high voltage generated by the high voltage coil, wherein the terminal pins are projected from one end of the housing and the leg of the core is inserted into it and the housing cap is mounted on the other end of the housing and a space formed between the housing and the housing cap is filled with an insulating resin.

Abstract: A flyback transformer includes a high voltage winding with a first rectifier coupled to the high voltage lead and a second rectifier coupled to the ground return lead. The rectifiers are poled in the same direction to conduct beam current and block the DC current path in the winding during the trace interval. The distributed capacity forms a capacitive voltage divider and developes an intermediate DC voltage in the high voltage winding. The intermediate DC voltage developed at an intermediate AC null terminal of the high voltage winding is selectively adjusted by structure which is selectively capable of adding sufficient distributed capacity to appropriately change the capacitive voltage division ratio.

Abstract: A low tension and a high tension coil on a flyback transformer are coupled together with an output rectifier connected with the high tension coil by enclosure of an electrically insulating material. A hollow cylindrical connector body of an electrically insulating material is attached to the enclosure, and has one end of a greater inner diameter than that of the other end, with a step formed intermediate the both ends. Said one end of the connector body is disposed within the enclosure and is adapted to receive a conductive cap electrically connected with the rectifier while said other end opens outside the enclosure. The flyback transformer is mounted on a television receiver, and the end of a high tension lead wire is inserted into the connector body of the flyback transformer through said other end in order to supply the rectifier output to a cathode ray tube.