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| Number | Title | Issue Date |
| 7986196 | Method and apparatus for digital synthesis of long multi-cycle microwave pulses Conductive segments (transmission line conductors) are positioned within a transmission line structure in order to generate multi-cycle microwave pulses. The conductor segments are switchably coupled to one or the other conductor of the transmission lines, inside th... | 07/26/2011 |
| 7764141 | Interleaved non-linear transmission lines for simultaneous rise and fall time compression A non-linear waveguide comprises a transmission line including a first conductive line and a second conductive line; a first bias voltage supply connected with the transmission line; and one or more pairs of diodes connected between the first conductive line and the... | 07/27/2010 |
| 7733194 | Nonlinear transmission line modulator A modulator is provided that comprises a nonlinear transmission line (NLTL) that is bias modulated by a baseband signal. A given logic state of the baseband signal determines a delay amount of a first carrier signal through the NLTL. The modulator further comprises ... | 06/08/2010 |
| 7696835 | Communication system, transmitting device, transmitting method, receiving device, and receiving method A communication system includes a transmitting device configured to transmit data and a receiving device configured to receive the data. The transmitting device includes first and second transmission lines and a differential signal outputter configured to generate d... | 04/13/2010 |
| 7692509 | Method and apparatus for digital synthesis of microwaves through balanced transmission line structures Conductor segments are positioned within a transmission line structure in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission lines or to each other, in parallel with the transmission line structu... | 04/06/2010 |
| 7679469 | Impulse generator utilizing nonlinear transmission line The impulse generator comprises a nonlinear transmission line capable of obtaining an impulse with a small half value width and a large amplitude, in which a plurality of transmission line units having a unit line unit and a diode are connected in series, a pulse ge... | 03/16/2010 |
| 7612628 | Ultrafast sampler with coaxial transition An ultrafast sampler includes a series of Schottky diodes configured with a coplanar waveguide to form a nonlinear transmission line (NLTL) that compresses a local oscillator input to form a series of strobe pulses. Strobe pulses of opposite polarity are capacitivel... | 11/03/2009 |
| 7612629 | Biased nonlinear transmission line comb generators Comb generators include a nonlinear transmission line (NLTL) having one or more NLTL sections. Each NLTL section includes one or more nonlinear elements and transmission line portions that provide transmission line dispersion. Typically, the nonlinear elements are S... | 11/03/2009 |
| 7583159 | High power bipolar pulse generators with impedance transformation A bipolar pulse generator circuit generates bipolar pulses and provides an impedance transformation. The circuit is amenable for implementation in a variety of configurations depending on the size and pulse width requirements for the design. It also maximizes energy... | 09/01/2009 |
| 7576624 | System and method for extending universal bus line length A system and method for recovering a high frequency component of a slew rate controlled signal propagating along a transmission line enables the high frequency component to be recovered after being lost because of slew rate control and transmission line low pass fil... | 08/18/2009 |
| 7551042 | Microwave pulse compressor using switched oversized waveguide resonator A microwave pulse compressor has an elongated, cross-sectionally oversized waveguide resonator for decreasing the attenuation of the resonator, thereby increasing the resonator's QO The increased Q of the resonator guide results in more stored energy and ... | 06/23/2009 |
| 7532083 | Active nonlinear transmission line An apparatus for propagating a non-dispersive signals includes a transmission line with a voltage dependent propagation constant and distributed gain elements to maintain the non-dispersive signal between a maximum propagating amplitude and a minimum propagating amp... | 05/12/2009 |
| 7518464 | Method and apparatus for digital synthesis of microwaves through balanced transmission line structures Conductor segments are positioned within a transmission line structure in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission lines or to each other, in parallel with the transmission line structu... | 04/14/2009 |
| 7375602 | Methods for propagating a non sinusoidal signal without distortion in dispersive lossy media Systems and methods are described for transmitting a waveform having a controllable attenuation and propagation velocity. An exemplary method comprises: generating an exponential waveform, the exponential waveform (a) being characterized by the equation Vin | 05/20/2008 |
| 7365615 | Method and apparatus for digital synthesis of microwaves Conductor segments are positioned within a two conductor transmission line in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission lines in parallel. Microwave pulses may be induced in the transmis... | 04/29/2008 |
| 7358834 | Transmission line voltage controlled nonlinear signal processors Waveguide nonlinear signal processors include transmission lines defined on a substrate. A plurality of varactors or pairs of varactors are situated along the transmission line and are in communication with a signal conductor of the transmission line and one or more... | 04/15/2008 |
| 7348863 | Simple time domain pulse generator A pulse generating circuit and related method, for producing extremely narrow pulses for use in monolithic microwave integrated circuits (MMICs) for radar, high-speed sampling, pulse radio and other applications. A sinusoidal input signal is supplied to two nonlinea... | 03/25/2008 |
| 7268641 | Method and apparatus for digital synthesis of microwaves Conductor segments are positioned within a two conductor transmission line in order to generate microwave pulses. The conductor segments are switchably coupled to one or the other of the transmission lines in parallel. Microwave pulses may be induced in the transmis... | 09/11/2007 |
| 7235457 | High permeability layered films to reduce noise in high speed interconnects This invention provides a structure and method for improved transmission line operation on integrated circuits. One method of the invention includes forming transmission lines in an integrated circuit. The method includes forming a first layer of electrically conduc... | 06/26/2007 |
| 7215083 | Microwave generator Microwave generator having two electrodes which are provided in a housing and are separated via a spark gap which breaks down when a high voltage is applied in order to emit microwaves, in which the first electrode (6) is in the form of a pot, and the other, ... | 05/08/2007 |
| 7212088 | Electrical connecting element and a method of making such an element An electrical connecting element (1) comprises a dielectric substrate (2) on which a plurality of coplanar and substantially parallel conductor paths (3, 4, 5; 11, 12 13; 23, 24, 25, 26, 27) is arranged. At least one of these conductor paths con... | 05/01/2007 |
| 7208889 | Particle accelerator having wide energy control range A particle accelerator system for producing a charged particle beam having pulses of charged particles that have different energy levels from pulse to pulse. The system enables independent adjustment of the RF power delivered to first and second accelerating section... | 04/24/2007 |
| 7193486 | Tunable, maximum power output, frequency harmonic comb generator A comb frequency generator that is tunable to vary the width of the pulses in the output signal and achieve a maximum power output at different harmonic frequencies. A wavefront compression device receives a sinusoidal input signal and provides wavefront compression... | 03/20/2007 |
| 7177515 | Surface plasmon devices A device including an input port configured to receive an input signal is described. The device also includes an output port and a structure, which structure includes a tunneling junction connected with the input port and the output port. The tunneling junction is c... | 02/13/2007 |
| 7173385 | Compact accelerator A compact linear accelerator having at least one strip-shaped Blumlein module which guides a propagating wavefront between first and second ends and controls the output pulse at the second end. Each Blumlein module has first, second, and third planar conductor strip... | 02/06/2007 |
| 7170365 | Ultrafast sampler with non-parallel shockline An ultrafast sampling system includes an interposer and a sampler that include series of Schottky diodes configured with a non-parallel waveguide to form shocklines or nonlinear transmission line (NLTLs) that produce a differential strobe pulse. The shocklines are d... | 01/30/2007 |
| 7167525 | Ultra-wideband communication through twisted-pair wire media Methods and apparatus that transmit ultra-wideband pulses through twisted-pair wire media are provided. One method includes transmitting an ultra-wideband pulse through the twisted-pair wire media at dissimilar time periods. Another method includes transmitting an u... | 01/23/2007 |
| 7148779 | Pulse type transformer with increased coupling coefficient through configuration of plural primary windings The present invention provides a low duty cycle, high current DC pulse type transformer with increased coupling coefficient between the primary and secondary windings by changing the proximity of the primary windings to the secondary windings through a plurality of ... | 12/12/2006 |
| 7135917 | Left-handed nonlinear transmission line media A left-handed nonlinear transmission line system has multiple nonlinear capacitors connected in series between input and output terminals and multiple inductances connected in parallel between the nonlinear capacitors and a return conductor extending between the inp... | 11/14/2006 |
| 7126442 | Phase shifter A phase shifter comprises: a phase shift unit including a reactance unit having a first variable capacitance device, and a susceptance unit having a second variable capacitance device, T-connected to the reactance unit; and a control unit for outputting a control si... | 10/24/2006 |
| 7116256 | Pulse shaping apparatus and method A system has a first digital-to-analog (D/A) converter to receive a digital signal and to convert the digital signal into an analog pulse, a second D/A converter to cancel residual energy resulting from a previous pulse if a predetermined sequence of digital data is... | 10/03/2006 |
| 7101770 | Capacitive techniques to reduce noise in high speed interconnections Improved methods and structures are provided using capacitive techniques to reduce noise in high speed interconnections, such as in CMOS integrated circuits. The present invention offers an improved signal to noise ration. The present invention provides for the fabr... | 09/05/2006 |
| 7101778 | Transmission lines for CMOS integrated circuits Improved methods and structures are provided for impedance-controlled low-loss lines in CMOS integrated circuits. The present invention offers a reduction in signal delay. Moreover, the present invention further provides a reduction in skew and crosstalk. Embodiment... | 09/05/2006 |
| 7093145 | Method and apparatus for calibrating a multi-level current mode driver having a plurality of source calibration signals A current controller for a multi-level current mode driver. The current controller includes a multi-level voltage reference and at least one source calibration signal. A comparator is coupled by a coupling network to the multi-level voltage reference and the at leas... | 08/15/2006 |
| 7088111 | Enhanced isolation level between sampling channels in a vector network analyzer A system and method for providing improved isolation between sampling channels in a vector network analyzer and sampling circuit. A vector network analyzer sampling channel includes a non-linear transmission line, an isolation device, a band-pass filter, and a sampl... | 08/08/2006 |
| 7084716 | Ultrafast sampler with coaxial transition An ultrafast sampler includes a series of Schottky diodes configured with a coplanar waveguide to form a nonlinear transmission line (NLTL) that compresses a local oscillator input to form a series of strobe pulses. Strobe pulses of opposite polarity are capacitivel... | 08/01/2006 |
| 7081648 | Lossless co-planar wave guide in CMOS process A structure and method of manufacturing a CMOS device where the Coplanar wave guide (CPW) lines are formed above the top metal lines. Also other insulating layers are provided that reduce the e-field from the signal line to the substrate. There are four embodiments.... | 07/25/2006 |
| 7078940 | Current comb generator The current comb generator periodically applies current spikes to a power supply signal in the time domain to produce a series of current spikes at different frequencies in the frequency domain. ... | 07/18/2006 |
| 7072415 | Method and apparatus for generating multi-level reference voltage in systems using equalization or crosstalk cancellation A system and method are shown for generation of at least one reference voltage level in a bus system. A reference voltage generator on a current driver includes at least one reference voltage level, at least one control signal, and an active device. The active devic... | 07/04/2006 |
| 7049902 | Tunable high-order bessel low pass filter A tunable high-order Bessel low pass filter which is applied to a multi-rate duobinary generation system of an optical communication system. The tunable Bessel low pass filter comprises a variable inductor circuit including a plurality of variable inductors connecte... | 05/23/2006 |
