Matches 151 - 195 out of 195 < 1 2 3 4


Match Document Document Title
3939443 Frequency-selective coupling for high-frequency electromagnetic waves  
Two microwave circuits are interconnected through a plurality of juxtaposed but physically separated modular units each consisting of a substantially cylindrical grounded conductive shell and a...
3938046 Network for isolating antenna from tuner  
An isolation network for isolating a pair of balanced antenna terminals from a tuner located in a receiver of the type having a line connected chassis includes an isolating capacitor connected in...
3925740 Tuning structures for microstrip transmission lines  
Two embodiments are disclosed to tune microstrip transmission lines. One embodiment includes a stub strip conductor disposed on the microstrip transmission line substrate at right angles with...
3909821 Communicating over power lines  
An audiofrequency signal is applied to a power amplifier having an output impedance of considerably less than an ohm that is coupled through a network comprising at least a capacitor that presents...
3908176 Galvanic isolator for a frequency range of 40 to 900 MHZ  
Two tubular capacitors which are of substantially the same diameter and are axially spaced with respect to each other, form part of a coaxial transmission line in such a way that one of the...
3882373 Control device for power line voltage measuring circuit  
A high voltage power line is provided with a coupling capacitor for connecting a carrier system to the power line and for also providing a voltage divider to indicate the line voltage. The...
3870978 Abutting electrical contact means using resilient conductive material  
Electrical contact means for use in connecting a pair of aligned conductors, especially in microwave applications where thermal expansion and contraction is a problem. The contact means comprises...
3848164 CAPACITIVE ELECTRICAL CONNECTORS  
Electrical connectors, such as of a type useful for connecting circuit cards or modules to other electronic equipment, are disclosed herein. An exemplary connector includes an electrically...
3820041 RESONANCE CONTROL IN INTERDIGITAL CAPACITORS USEFUL AS DC BREAKS IN DIODE OSCILLATOR CIRCUITS  
A modified stripline interdigital capacitor has slots coupled into the capacitor gap. These slots provide reactive loading to the slot transmission line formed by the gap. They are positioned and...
3786376 SELF-LUBRICATED ROTARY JOINT  
An assembly for electrically coupling a first coaxial cable to a second coaxial cable for rotation relative to one another is disclosed and generally comprises a pair of sub-assemblies which...
3786371 MEANS FOR COUPLING A CAVITY RESONATOR TO A CONDUCTOR CIRCUIT AND/OR A FURTHER CAVITY RESONATOR  
Means for coupling a cavity resonator to a conductor circuit and/or a further cavity resonator wherein a coupling window or opening is present at the wall between the cavity resonator and the...
3784937 BLOCKING CAPACITOR FOR A THIN-FILM RF TRANSMISSION LINE  
A blocking capacitor is formed in the center conductor of a thin-film RF transmission line which is situated over a metal conductor and insulated from the center conductor and outer conductors of...
3783419 RESONATOR FOR GYROMAGNETIC-RESONANCE SPECTROMETER  
In order to avoid disturbing the tuning of a resonator, formed by an essentially capacitive line and an essentially inductive Lecher line connected in series, when the sample is introduced into...
3771069 COUPLING UNIT TO COUPLE CARRIER FREQUENCIES FROM HIGH VOLTAGE TRANSMISSION LINES  
An elongated, oil-filled isolating body has two metal caps. Each metal cap encloses one end of the elongated oil-filled body. An auto-transformer is enclosed inside each metal cap, the terminals...
3764938 RESONANCE SUPPRESSION IN INTERDIGITAL CAPACITORS USEFUL AS DC BIAS BREAKS IN DIODE OSCILLATOR CIRCUITS  
A modified stripline interdigital capacitor has slots coupled into the capacitor gap. These slots provide reactive loading to the slot transmission line formed by the gap. They are positioned and...
3757344 SLOT ANTENNA HAVING CAPACITIVE COUPLING MEANS  
An antenna of the type having a rectangular driven slot formed in a foil radiation plane is coupled at opposed longitudinal edges of the slot to signal feed lines by capacitors formed by plate...
3731237 BROADBAND TRANSFORMERS  
A high return loss is maintained over the passband of a broadband transformer by reducing parasitic interwinding capacitance. This is accomplished by locating the windings along physically...
3729695 COMMUTATING CAPACITOR IMPEDANCE DEVICE  
Plural capacitors are interconnected in a recurrent sequence of different combinations of capacitors between input and output terminals in each period of an input signal that is to be filtered....
3699480 VARIABLE RF GROUP DELAY EQUALIZER  
A tunable microwave phase equalizer primarily for use in satellite communication systems is disclosed comprising in combination a circulator and a two-knob tunable microwave cavity wherein one...
3693114 CABLE SECTIONS WITH NONMECHANICAL MEANS TO EFFECT COUPLING  
This disclosure describes a scheme for interconnecting telephone cable pairs at a cable junction using remotely controlled devices. A material with a dielectric constant that can be varied by...
3673516 CONTINUOUS PHASE SHIFTER/RESOLVER EMPLOYING A ROTARY HALFWAVE PLATE  
A rotary coaxial phase shifter/resolver providing continuous low-loss phase shift or signal resolving capability over a broad band or frequencies. A rotatable balanced coaxial halfwave plate is...
3649742 COMBINED POWER AND ANTENNA CORD FOR TELEVISION SETS  
A power cord for a television set encompasses the antenna cable in a single, molded unit. An exterior antenna cable terminates in a capacitive coupling unit adjacent to the electrical power wall...
3629730 CAPACITOR ARRANGEMENT FOR WAVE CONDUCTOR SYSTEMS  
A matrix storer having magnetic storage elements arranged in rows and columns and constructed as wave conductors. The wave conductors are disposed substantially parallel to a base conductor which...
3624561 BROADBAND APERIODIC ATTENUATOR APPARATUS  
This disclosure deals with a broad band aperiodic attenuator using networks of nonlinear direct-current-energy controllable variable impedance elements with critical relationships between signal...
3617607 ELECTROMAGNETIC INTERFERENCE SHIELD ISOLATOR  
An electromagnetic interference shield isolator apparatus for coupling the shielded cables having a capacitor built into the coupler assembly to isolate the shield cables from each other with...
3530504 CAPACITIVE COUPLING TYPE HIGH FREQUENCY SWITCH  
3422376 SCANNING DEVICE  
3393357 Miniaturized package containing a solid state oscillator and a frequency multiplier  
3364489 Traveling wave antenna having radiator elements with doubly periodic spacing  
3337812 Circulator having quarter wavelength resonant post and parametric amplifier circuits utilizing the same  
3324421 Impedance matching tap-off coupler for coaxial transmission lines, having integral variable capacitance  
3310760 Strip line tuning structures  
3243704 Coaxial line reflectometer having a resistance connected between sections of the outer conductor  
3219948 Variable power divider or combiner for radio frequency applications  
3201714 Crystal selector mechanism for an oscillator network  
3167727 Microwave zig-zag line couplers  
3098230 Telescoping submarine antenna with capacitive coupling  
3013225 Electrostatic coupling system  
2997672 Coupling of resonant circuitry  
2944230 Contact-free high frequency commutator  
2913679 Coupler for television signal distributing systems  
2879483 Rotary distributors  
2855572 Scanning apparatus  
2821684 Noise elimination system for capacitive scanning apparatus  
2780784 Radio-frequency energy-transfer device  

Matches 151 - 195 out of 195 < 1 2 3 4