A current transformer characterized by a terminal bushing extending from a tank with a pair of spaced conductors extending through the bushing and into the tank and with the portions of the conductors in the tank being enclosed within tubular means. The assembly of the conductors, bushing, and tubular means being clamped together by resilient (spring) means for holding the conductors in tension and the bushing and tubular means in compression. The transformer also embodies two separate oil syste...

A current transformer for very high tension units. The transformer has an insulating through bushing and an annular metal chamber both filled with compressed gas, a primary circuit with an input conductor which enters the chamber via the through bushing and an output conductor which leaves the chamber via the through bushing coaxially to the first conductor, and at least two magnetic circuits each having a secondary winding, wherein the current transformer has an electric side connection at the ...

A multipurpose fishing device having a single elongated essentially flat planing or hydrofoil surface with a first eyelet rigidly suspended on one side above the longitudinal axis of the surface and displaced away from the surface and at least one additional eyelet at or near the trailing edge of the surface. Such a device can be employed as a conventional fishing bobber or cork, fishing lure, and/or water kite in a variety of types of recreational fishing including trolling, bank or ice fishing...

A current source circuit is provided wherein the chip area consumption of a Miller multiplication capacitor is substantially reduced. A zero is created in addition to the pole created by the Miller multiplication capacitor. A first transistor is biased by a biasing means and has a base coupled to the emitter of a second transistor by a capacitor. The base of the second transistor is connected to the collector of the first transistor. A resistor is coupled between the emitter of the second transi...

A current limiting circuit to limit current including an input circuit to input an input voltage, a connecting circuit to connect the input voltage to a current, and a current limiting circuit controlled by a constant voltage to limit said current.

A current source using a bandgap voltage circuit includes a current gain circuit between the output of the bandgap circuit and the current output transistor. On-off control is provided by a switchable bias circuit providing an ON potential to start the bandgap and a clamping circuit opening the feedback loop.

A current amplifier includes an input branch having a first input; an output branch coupled to said input branch; a bias branch suitable for biasing said input branch. The input branch comprises at least one switch commanded by a first bias voltage supplied by said bias branch so as to substantially block the current flowing in said input branch and consequently substantially block the current flowing in said output branch when the current applied to said first input is null.

An electrometer amplifier with automatic zero-error correction in which the input current is switched periodically between two amplifier channels by twin reed switches 2,2', the channel outputs being switched in synchronism (15,15') to a common output 19. Each channel includes a current-to-voltage converter 3,4; 3',4' feeding an amplifier 8,9; 8',9', followed by an integrator and store 11,12,13; 11',12',13' whose output is continuously fed back negatively to the input of this amplifier but whose...

A precision current meter of wide dynamic range and sensitivity to low currents is disclosed. The precision current meter is particularly useful as a component for spectrochemical computations in spectrometers for the simultaneous multielement analysis of unknown samples in solution. The precision current meter comprises a source of input current, preferably a photomultiplier tube, an integrator having an integrating capacity for detecting the input current from the source, a source of reference...

A technique is described for improving the sampled current accuracy in current mirror circuits such as are often used to monitor the current output to a load. A reference voltage is established to feedback the load voltage conditions at the output to the current reference circuitry, thereby greatly reducing the error in the reference current over that which is produced by prior art circuits. The technique is shown aas applied to a current limiting circuit for driving an output load. An alternati...