Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 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 |
| 6731693 | System of and method for compensating a baseband signal to reduce third order modulation distortion A system for and method of overcoming third order modulation distortion in which a baseband signal is predistorted using one or more parameters configured to reduce or eliminate the third order modulation distortion. ... | 05/04/2004 |
| 4589411 | Electrosurgical spark-gap cutting blade A spark-gap cutting blade for an electrosurgical active electrode pencil which has a central electrode surrounded by an insulator and a series of alternating electrically conductive and insulative elements. The central electrode is electrically connected ... | 05/20/1986 |
| 4536723 | High-power pulse generator using transmission line with spark discharge device A high-frequency, high-power generator of the type in which energy is stored in the capacitance of a transmission line and then discharged into a load by the action of a spark discharge device. The load is connected between one end of a transmission line ... | 08/20/1985 |
| 4477746 | Microwave-triggered laser switch A high-repetition rate switch for delivering short duration, high-power electrical pulses from a pulsed-charged dc power supply. The present invention utilizes a microwave-generating device such as a magnetron that is capable of producing high-power pulse... | 10/16/1984 |
| 4382235 | Simulated noise generator A test instrument for generating controlled bursts of electrical noise for use in testing the response of electronic equipment to such noise. A high voltage induction coil has its primary winding connected in circuit with a semiconductor switching means a... | 05/03/1983 |
| 4243950 | Random noise generators A random noise generator for providing useful random noise power without amplification includes an anode and cathode element, disposed within a glass housing, with the electrical breakdown occurring therebetween along the inner surface of the housing is c... | 01/06/1981 |
| 4104558 | Tunable radio frequency pulse generators A tunable frequency pulse generator capable of providing high energy pulses having an in-line construction includes an annularly shaped spark gap and a movable insulator support which includes a conductive sleeve that varies the resonant frequency of the ... | 08/01/1978 |
| 4104557 | Liquid dielectric radio frequency pulse generators A liquid dielectric radio frequency pulse generator capable of providing high energy pulses having an in-line construction includes an annularly shaped spark gap immersed in an aprotic liquid such as molten sulfur, sulfur monochloride or mixtures thereof.... | 08/01/1978 |
| 4104556 | High energy radio frequency pulse generators A radio frequency pulse generator capable of providing high energy pulses having an in-line construction includes an annularly shaped spark gap. The input voltage is connected to the resonant element through a central aperture provided in the spark gap ri... | 08/01/1978 |
| 4070636 | Plural loop spark gap RF pulse radiation converter The high-power, short-pulse array is a self-contained radiating oscillator system which radiates a high peak-power pulse of radio frequency energy. The radiated pulses contain only a few cycles of RF and hence it is a short-pulse emitter. The device conta... | 01/24/1978 |
