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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7228902 | High data rate borehole telemetry system A system and method for communicating information between downhole equipment in a wellbore and surface equipment, comprising a first device disposed in a wellbore for receiving at least one first signal and transmitting at least one second signal. A surface device i... | 06/12/2007 |
| 7227430 | Multichip module A bondwire transition arrangement for interconnecting a signal port on one IC of a multichip module with a signal port on another, adjacent, IC of the same module employs a distributed signal-transition process in which the signal on one port appears as subsignals a... | 06/05/2007 |
| 7098756 | Arrangement and method for combining electric signals The invention relates to an arrangement and method for combining electric signals. The arrangement comprises: an antenna element (270) for receiving first electric signals from the environment; a receiver cable (210) in connection with the antenna elem... | 08/29/2006 |
| 6891447 | Electromagnetic coupling connector for three-dimensional electronic circuits An electromagnetic coupling connector for three-dimensional electronic circuits is described. The coupling connector includes two coupling layers each having multiple electromagnetic coupling elements. Each coupling element can communicate through an electromagnetic... | 05/10/2005 |
| 6870448 | Adjustable coaxial support A movable support for a coaxial structure, such as a coaxial feed-through, connector, or cable, allows adjusting the height of a center pin of the coaxial structure relative to the surface of a high-frequency planar microcircuit mounted on a base. The height of the ... | 03/22/2005 |
| 6771143 | Device for coupling radio frequency energy from various transmission lines using variable impedance transmission lines An apparatus and method for coupling energy from a transmission line is provided. The apparatus includes a contact designed to “tap” into an inner conductor of the transmission line 100 through an aperture in an outer conductor of the transmission line. A... | 08/03/2004 |
| 6023210 | Interlayer stripline transition A improved stripline transition in a planar configuration for coupling signals between two signal planes by electromagnetic coupling.... | 02/08/2000 |
| 5729184 | Tap for extracting energy from transmission lines using impedance transformers A tap for coupling electromagnetic energy between first and second coaxial cables. The tap comprises a an impedance transformer, means for connecting said impedance transformer to said first cable, and means for connecting said impedance transformer to sa... | 03/17/1998 |
| 5689218 | Tap for extracting energy from transmission lines A tap for coupling electromagnetic energy between first and second coaxial cables. The tap comprises a pair of coupled transmission lines, means for connecting said transmission lines to said first cable, and means for connecting said transmission lines t... | 11/18/1997 |
| 4962447 | Radio frequency signal and power distribution duct A radio frequency signal and power distribution duct system includes mating interconnections permitting daisy chaining of a plurality of individual units to provide as many power and radio frequency signal outlets as desired. Three types of units, types A... | 10/09/1990 |
| 4823095 | Remote connection of termination network An improved dual media transceiver for terminating an electrical transmission line wherein the transmission line may be a coaxial cable or a shielded twisted pair line. A length of shielded twisted pair line is provided for interconnection. A connector fo... | 04/18/1989 |
| 4810981 | Assembly of microwave components This microwave assembly comprises a pair of microwave components and a stripline connecting device interconnecting the components. Each of the components comprises a conductive carrier defining a ground plane, dielectric material on the conductive carrier... | 03/07/1989 |
| 4692721 | Dielectric rotary coupler A dielectric rotary coupler for electromagnetic waves of the microwave frequency region structured of a substantially ring-shaped rotary member and a stationary member, each member being formed of a dielectric waveguide, or line, having a rectangular cros... | 09/08/1987 |
| 4349791 | Slow wave coupling circuit A system of slow wave structures for coupling a first electromagnetic circuit to a second electromagnetic circuit includes an inner slow wave structure and an outer slow wave structure concentric with the inner structure. The outer structure is configured... | 09/14/1982 |
| 4293828 | Arrangement for suppressing interference waves and harmonic waves in traveling wave tubes with a short circuiting slide in the output wave guide An arrangement for suppressing interference waves and harmonic waves in traveling wave tubes has a short circuit slide in an output wave guide in which the slide has a groove in the form of a λ/4 or λ/2 wave guide element in its frontal surface which is... | 10/06/1981 |
| 4233580 | Rotating coupler for transmitting high frequency energy A rotary coupler of the non-contact type has folded resonant spaces when seen in radial section. A large central lead aperture may be provided.... | 11/11/1980 |
| 4160961 | Printed wiring board mounting and interconnection of coaxial cable transformers and the like A system of shaping, mounting, and interconnecting Radio Frequency Coaxial cable transformers on a printed wiring board to minimize inductance of the interconnections for use at very high and ultra high frequencies.... | 07/10/1979 |
| 4134086 | Wave guide connection Short connection between a hf-gigahertz transmitter and a load with rectangular input is made through an elliptical, corrugated copper tube having inductive and capacitive diaphragms in the transition zone which compensate each other and the characteristi... | 01/09/1979 |
| 4051447 | Radio frequency coupler An output coupler for a radio frequency oscillator includes a coaxial transmission line connector having a center conductor terminating in a coulping loop in the oscillator, the terminated end of the loop being secured to the cavity wall of the oscillator... | 09/27/1977 |
