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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Class 333/180 - With variable coupling means


Subclass of Class 333 - Wave transmission lines and networks
Definition: Subject matter wherein means are provided to adjust the
No. of patents: 8
Last issue date: 11/30/1999


NumberTitleIssue Date
5994985Integrable high-Q tunable capacitor and method
A high-performance integrable tunable inductor includes a "primary" coil and a "drive" coil placed in close proximity to each other and simultaneously driven with primary and drive currents, respectively. The drive current induces mutual components of ind...
11/30/1999
5594395Diode tuned resonator filter
A transmission line resonator is disclosed which has a resonance frequency that is electrically controllable by control voltage. A reactive circuit is coupled in parallel between two coupling points on the transmission line resonator. The reactive value o...
01/14/1997
5359315Method of forming a three-layer structural spiral inductor
A selected inductance can be provided by a three-layer structural spiral inductor having an inductor conductive part disposed between two ground electrodes within an electric insulating substrate. This is carried out by eliminating a particular portion of...
10/25/1994
5223806Method and apparatus for reducing electromagnetic interference and emission associated with computer network interfaces
A computer network interface ("NIC") exhibits reduced electromagnetic interference and emission through capacitively coupling an output transformer center tap both to reference ground and to logic ground of the NIC's transceiver. Transmit signal lines on ...
06/29/1993
4621245Intermediate frequency filter for a DBS receiver
A quadruple tuned 400 MHz IF filter comprises a rectangular substrate having a foil pattern of four inductors formed on one side thereof with four leadless capacitors and three lead type coupling capacitors interconnected between the inductors and the foi...
11/04/1986
4209757Circuit for compensating harmonic currents in an electric consumer arrangement
To improve the effect of a filter circuit for the harmonics, which contains an L-C-R series resonant circuit in at least one loop, a variable supplementary current excitation which compensates the residual harmonic current in the consumer arrangement at l...
06/24/1980
4123732Method of making tuned resonance passive electronic filters
A method for making tuned resonance passive electronic filters. The method consists of computing the values of the filter components and then using standard unmatched components that approximate the computed values in conjunction with certain components t...
10/31/1978
4063201Printed circuit with inductively coupled printed coil elements and a printed element forming a mutual inductance therewith
A printed circuit including a first conductor formed on an insulating plate as an inductance element, a second conductor formed on the insulating plate as an inductance element which is inductively coupled to the first element, and a common conductor form...
12/13/1977
 
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