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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 |
| 7053710 | Vacuum tube amplifier having grid as output and plate as input A vacuum tube amplifier is formed of a vacuum tube having a cathode, a plate, a grid, and a heater to radiate electrons from the cathode. An input signal is supplied to the plate, an output signal is obtained at the grid, and a predetermined low voltage is supplied ... | 05/30/2006 |
| 6970152 | Stacked amplifier arrangement for graphics displays A column driver for a graphics display has reduced power consumption by sharing power between upper and lower column amplifiers. The upper column amplifier operates over an upper supply range, while the lower column amplifier operates over a lower supply range. The ... | 11/29/2005 |
| 6759901 | Dynamic sensing regulator A dynamic sensor regulator that provides a mechanism for introducing desirable tonal artifacts in component-based guitar amplifier systems by inducing voltage fluctuations into the power supply of a preamplifier. The dynamic sensor regulator comprises a regulator ci... | 07/06/2004 |
| 6703080 | Method and apparatus for VHF plasma processing with load mismatch reliability and stability A radio frequency (RF) generator apparatus for a plasma processing system that is resistant to nonlinear load mismatch conditions is provided. The apparatus includes an RF oscillator configured to generate an RF signal, an RF amplifier responsive to the R... | 03/09/2004 |
| 6683496 | System and method for minimizing dissipation in RF power amplifiers The variable power supply to an amplifier in an electrical circuit is dynamically controlled through the use of a lookup table responsive to one or more operating conditions of the electrical circuit. The lookup table is indexed by one or more of the oper... | 01/27/2004 |
| 5909145 | Variable control of electronic power supplies Sag of a power signal delivered to of an amplifier is controlled. The maximum amount of sag is limited to limit crossover distortion. A measuring circuit monitors an observed signal to generate a measured signal. A sag control circuit receives the measure... | 06/01/1999 |
| 5793252 | Power amplifier with switchable voicing elements An electronic amplifying apparatus for sound reproduction and musical instrument amplification including at least two pairs of power output devices which are independently switchable between triode and pentode operation. The amplifier further contains a s... | 08/11/1998 |
| 5635872 | Variable control of electronic power supplies A regulated power supply control system with adjustable operating point and adjustable dynamic behavior for use with electronic power supply circuits, such as musical instrument amplifiers. The control system includes a measurement circuit (20) that gener... | 06/03/1997 |
| 5559469 | Vacuum tube amplifier with selectable power devices A power output amplifier for use with electric guitar wherein the individual pairs of power tubes are of two or more differing types which may be selected by the user to operate alternately or simultaneously.... | 09/24/1996 |
| 5550509 | Output power selection apparatus for a tube-type audio amplifier An output power selection apparatus reduces the R.M.S. power output of a tube type amplifier without the use of solid state devices or ganged high or low power potentiometers.... | 08/27/1996 |
| 5546046 | Output tube bias selection apparatus for tone alteration in a tube-type audio amplifier A tonal altering feature for a tube type guitar audio amplifier provides apparatus enabling the selection of the method of output tube bias.... | 08/13/1996 |
| 5170495 | Controlling clipping in a microwave power amplifier In a QAM microwave radio communications system an IF (intermediate frequency) input signal is amplified and predistorted, and the amplified IF signal is mixed with a local oscillator signal to produce an RF (radio frequency) signal which is amplified in a... | 12/08/1992 |
| 5022305 | Tube overdrive pedal operable using low voltage DC battery eliminator The distortion pedal for electric guitar and other electronic musical instruments employs vacuum tube circuitry operated by low voltage "battery eliminator" DC power supply. A pull-up resistor biasing circuit on the vacuum tube grid improves input and out... | 06/11/1991 |
| 4719431 | Audio power amplifier A push-pull power amplifier includes a pair of input terminals, a pair of output terminals, a pair of matched output tubes having cathode, plate, and grid terminals, and a pair of output power supplies, all of which are connected to form a bridge circuit.... | 01/12/1988 |
| 4636740 | Control circuit for varying power output of push-pull tube amplifiers A biasing and control circuit for varying the output power delivered by the push-pull output stage of a power amplifier is disclosed. The biasing and control circuit incorporates both fixed and cathode biasing to allow output power to be varied without in... | 01/13/1987 |
| 4593251 | Power amplifier capable of simultaneous operation in two classes An electronic amplifying apparatus intended for sound reproduction and for music instrument amplification wherein two parallel amplifiers, working simultaneously, each in a different class of operation, are fed from a single driver or signal source and wh... | 06/03/1986 |
| 4532476 | Power amplifier capable of simultaneous operation in two classes An electronic amplifying apparatus intended for sound reproduction and for music instrument amplification wherein two parallel amplifiers, working simultaneously, each in a different class of operation, are fed from a single driver or signal source and wh... | 07/30/1985 |
| 4449103 | High power class B modulation amplifier for a broadcast transmitter A method for amplifying electric signals, an amplifier circuit and application of this amplifier circuit as the modulator stage of a subsequent amplifier, employing a variable anode voltage for the purpose of improving the efficiency of amplifiers and par... | 05/15/1984 |
| 4353036 | Field effect transistor amplifier with variable gain control A complementary symmetry amplifier having variable gain control is used in an automatic gain control (AGC) system. The amplifier includes first and second field effect transistors of opposite conductivity type. Variable gain control is achieved by applyin... | 10/05/1982 |
| 3995226 | Audio amplifier An audio amplifier in which an output stage is coupled by a driver stage to an input stage which includes two antiphased sources of alternating current. The output stage includes two pentode vacuum tubes each having a cathode, a plate and a screen grid lo... | 11/30/1976 |
