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Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7755428 | Amplifying circuit An amplifying circuit comprising an output stage circuit composed of a first and a second output transistor and operating as a class AB push-pull circuit reduces electricity consumed by an idle current. A pre-stage circuit outputs a first and a second control signal... | 07/13/2010 |
| 7372336 | Small-sized on-chip CMOS power amplifier having improved efficiency A small-sized on-chip complementary metal-oxide semiconductor (CMOS) Power Amplifier having improved efficiency is provided herein. The on-chip CMOS power amplifier is capable of improving efficiency and maximizing output thereof by enhancing a K factor, which may c... | 05/13/2008 |
| 7346318 | High frequency power amplifier component and radio communication system In radio communication system that is able to transmit in two or more modulation modes, e.g., one modulation mode when phase shifts are performed and another modulation mode when phase shifts and amplitude shifts are performed, the disclosed invention can avoid that... | 03/18/2008 |
| 7342448 | Power output stage A class D power output stage for switching a supply voltage comprises a limiting transistor with a controllable path and a control terminal, a complementary limiting transistor with a controllable path and a control terminal, a switching transistor with a controllab... | 03/11/2008 |
| 7321246 | Driver circuit for a liquid crystal display A driver circuit includes a differential amplifier for receiving an input signal, and first and second transistors of different conductivity types. The first and second transistors are connected serially between two power supply terminals in a form (source follower)... | 01/22/2008 |
| 7315730 | Architecture for a receiver front end having dual output low noise amplifier driving separate pre-selectors coupled to a transformer for single ended output An architecture for a receiver front end utilizes a dual output low noise amplifier (102) driving separate, fixed preselectors (104, 106) coupled to a transformer (108) to generate a single ended output (113). A pair of blocks coupled in ... | 01/01/2008 |
| 7299537 | Method of making an integrated inductor An inductor comprises a substrate comprising a semiconductor material, a first dielectric layer over the substrate, a magnetic layer over the first dielectric layer, a second dielectric layer over the magnetic layer, and a conductor over the second dielectric layer.... | 11/27/2007 |
| 7271655 | Power amplifier end stage In a push-pull power amplifier having an end stage (10) in which two power transistors (ML, MH) are connected in series, a dead time is normally used to ensure that the power transistors do not conduct simultaneously. The invention provides an end stage in wh... | 09/18/2007 |
| 7248115 | Differential amplifier operable in wide range Differential amplifier includes a differential amplifier circuit, a bias circuit and an output circuit. The differential amplifier circuit includes first and second differential amplifier sections. The first differential amplifier section includes a first PMOS trans... | 07/24/2007 |
| 7245192 | Coupler with edge and broadside coupled sections Couplers are disclosed that include first and second mutually coupled conductors. The coupled conductors may be regular or irregular in configuration, and for example, may be linear, including rectilinear or with one or more curves, bends or turns, such as forming a... | 07/17/2007 |
| 7242253 | Low noise amplifier A low noise amplifier includes a cascode device which includes at least a first and a second transistor having a terminal in common. The output terminal of the second transistor is the output terminal of the cascode device and is coupled to the output terminal of th... | 07/10/2007 |
| 7233199 | Circuit and method of establishing DC bias levels in an RF power amplifier A method and apparatus is used to provide DC stabilization and noise reduction in a multistage power amplifier. The invention uses various feedback techniques to stabilize DC levels, which helps to reduce noise. The invention also uses other techniques to reduce noi... | 06/19/2007 |
| 7233224 | Component arrangement with a planar transformer The invention relates to a component arrangement which has the following features: a semiconductor body (10), a dielectric layer (20) which is applied to one face of the semiconductor body (10)... | 06/19/2007 |
| 7215201 | Integrated circuit having a low power, gain-enhanced, low noise amplifying circuit An amplifying circuit includes an n-type transistor having a source, a gate coupled to a first bias voltage, and a drain coupled to a first supply voltage through a first impedance circuit. A p-type transistor of the circuit has a source coupled to the source of the... | 05/08/2007 |
| 7212070 | Circuit and method of reducing noise in an RF power amplifier A method and apparatus is used to provide DC stabilization and noise reduction in a multistage power amplifier. The invention uses various feedback techniques to stabilize DC levels, which helps to reduce noise. The invention also uses other techniques to reduce noi... | 05/01/2007 |
| 7170300 | Apparatus and method for inspecting interface between ground layer and substrate of microstrip by using scattering parameters An apparatus and method for detecting a defect on a ground layer of microstrip by using scattering parameters is disclosed. The apparatus includes: a providing unit for providing a signal to the microstrip by changing a frequency of the signal in a predetermined ran... | 01/30/2007 |
| 7161431 | Class B amplifier with process variation independent deadband A class B amplifier circuit produces a deadband that is independent of semiconductor process variations and creates a positive voltage when a differential input voltage is non-zero. A differential input amplifier couples differential currents representing the differ... | 01/09/2007 |
| 7161425 | Radio frequency power amplifier for lossless power combining An amplifier device (40) includes at least one amplifier (42) having an output. A plurality of conductors (48, 50, 52) are coupled to the output in parallel with each other. The plurality of conductors (48, 50, 52) each has an electrical ... | 01/09/2007 |
| 7158766 | Wideband amplifier compensating input capacitance, radio transceiver, semiconductor integrated circuit and wideband amplification method A radio transceiver encompasses an antenna unit configured to convert the electric wave to the electric signal, a receiver configure to generate the compensation current supplied to load having an output capacity based on the electric signal and the second in-phase ... | 01/02/2007 |
| 7154332 | Differential amplifier, data driver and display device A differential amplifier includes a differential amplifying stage and an output amplifying stage. The output amplifying stage includes a first transistor for pull-up, a second transistor for pull-down, a capacitor element, and switches. The first transistor for pull... | 12/26/2006 |
| 7145393 | Operational amplifier with class-AB+B output stage An operational amplifier is provided that includes a Class-AB stage and a Class-B stage coupled in parallel with each other to form an output stage. The Class-AB stage is operable to drive an output load. The Class-B stage is also operable to drive the output load a... | 12/05/2006 |
| 7145392 | Methods and apparatus for variable harmonic distortion Methods and apparatus for producing first and second drive signals from an input signal such that each drive signal is about 180 degrees out of phase with respect to the other; variably altering at least one of the first and second drive signals such that their resp... | 12/05/2006 |
| 7138884 | Circuit package integrating passive radio frequency structure In general, the invention is directed to integration of passive radio frequency (RF) structures with at least one integrated circuit in a single integrated circuit (IC) package. An IC package in accordance with the invention may include, for example, a radio IC, a d... | 11/21/2006 |
| 7119617 | Differential amplifier A differential amplifier suitably adapted to an ultra-high-speed signal transmitting apparatus. The differential amplifier includes a first inductor located between a differential transistor and a gate grounded transistor, an optional second inductor located between... | 10/10/2006 |
| 7119613 | RF amplifier A RF amplifier device (22) including an amplifier element (24) compensated by a compensating circuit (26, 28) with respect to its output capacitance and frequency decoupled from its power supply (26), wherein the decoupling circuit is dir... | 10/10/2006 |
| 7119616 | Method and apparatus for a fully differential amplifier output stage The input stage of the fully differential amplifier output stage is configured in a differential pair configuration with a tail current. The tail current is divided between two legs of the input stage and is higher in the leg that has the higher of the two input vol... | 10/10/2006 |
| 7064605 | Circuit and method of establishing DC bias levels in an RF power amplifier A method and apparatus is used to provide DC stabilization and noise reduction in a multistage power amplifier. The invention uses various feedback techniques to stabilize DC levels, which helps to reduce noise. The invention also uses other techniques to reduce noi... | 06/20/2006 |
| 7042309 | Phase inverter and coupler assembly A circuit assembly may include one or more coupler sections, and may include a phase inverter and/or a phase shifter. A coupler section may include a phase inverter. A coupler may include first and second mutually coupled spirals disposed on opposite sides of a diel... | 05/09/2006 |
| 7039942 | Pad adjustable equalizer for two way cable transmission A forward signal equalizer for a forward amplifier for two-way coaxial cable systems, of the type having a distribution center distributing forward signals, and having reception facilities for receiving return signals from said cable system, the system having forwar... | 05/02/2006 |
| 7015789 | State validation using bi-directional wireless link Building monitoring and control systems including bi-directional radio frequency links between master and remote units wherein the remote units operate in a low power, non-receiving state a majority of the time is disclosed. The bi-directional capability allows coor... | 03/21/2006 |
| 6999740 | Semiconductor integrated circuit and radio communication apparatus using same An amplifier circuit unit including a signal amplifying transistor is provided with a first bypass circuit unit for bypassing a part of an input signal to a ground side according to the strength of the input signal, and a second bypass circuit unit for bypassing a p... | 02/14/2006 |
| 6980057 | Power amplifier, power distributor, and power combiner In a power amplifier of the present invention, distributed constant lines 105a and 105b have a total line length corresponding to a ½ wavelength of a fundamental wave so as to invert the phase of a fundamental wave component of a first s... | 12/27/2005 |
| 6972639 | Bi-level coupler A coupler is disclosed that includes first and second mutually coupled spirals disposed On opposite sides of a dielectric substrate. The substrate may be formed of one or more layers and the coils may have a number of turns appropriate for a given application. Condu... | 12/06/2005 |
| 6972658 | Differential inductor design for high self-resonance frequency A differential inductor is formed from branch coils that are staggered with respect to one another rather than concentrically coiled within one another. Each coil is formed from conductive strips. The conductive strips with the largest voltage swings thereon are shi... | 12/06/2005 |
| 6963246 | Wideband amplifier Provided is a wideband amplifier which can provide an increased operation bandwidth without being limited by manufacturing process. A source follower circuit having a MOS transistor and constant-current supplies is provided in parallel to a MOS transistor serving as... | 11/08/2005 |
| 6937102 | Low bias current/temperature compensation current mirror for linear power amplifier A power amplifier circuit whose performance is optimized by operating its stages in substantially close to a Class B mode by reducing quiescent current during low driver signal levels. As the driver signal amplitude increases, the operation of the amplifier is confi... | 08/30/2005 |
| 6930551 | Zero voltage class AB minimal delay output stage and method A class AB output circuit includes a P-channel pullup transistor (M13) having a source coupled to a supply voltage, a drain coupled to an output(10), a gate coupled to respond to an input signal on an input(9), an N-channel pulldown transistor (... | 08/16/2005 |
| 6927633 | High frequency circuit with thin film resistor A first circuit which is constituted by a thin film resistor is connected between the collector of a transistor and a power supply terminal, and a second circuit which is constituted by a semiconductor resistor is connected between the emitter of the transistor and ... | 08/09/2005 |
| 6922128 | Method for forming a spiral inductor A method for forming a spiral inductor (11) or component of a transformer, compatible with very large scale integrated processing, that achieves a higher Q value without occupying more space by splitting at least one turn (13 51) as two or more crisscr... | 07/26/2005 |
| 6917245 | Absolute power detector A method and apparatus is provided for detecting the output power of a power amplifier. The output power is detected by detecting the absolute values of the voltage and current at the output of the amplifier and mixing the detected voltage and current to generate a ... | 07/12/2005 |
