Assignee
MEGAPULSE INC
US·25 granted patents·2 pending applications·512 citations·filing 1975–2007
Top patents by PatentIndex Score
27 records- 0191US4274134AMethod of and apparatus for high voltage pulse generationMEGAPULSE INC·Filed 1979·Granted Jun 16, 1981·34 cites·18 claims
- 0288US4001598ASequential power supply and method for rf pulse generationMEGAPULSE INC·Filed 1975·Granted Jan 4, 1977·25 cites·16 claims
- 0386US4767999AMethod of and apparatus for radio-frequency generation in resonator tank circuits excited by sequential pulses of alternately opposite polarityMEGAPULSE INC·Filed 1986·Granted Aug 30, 1988·85 cites·11 claims
- 0479US4191992AMethod of and apparatus for enabling soft-failure of modular power converter systems, including RF generator systems, embodying switching components in the power conversionMEGAPULSE INC·Filed 1978·Granted Mar 4, 1980·25 cites·20 claims
- 0577US4423419APulsed, pseudo random position fixing radio navigation method and system and the likeMEGAPULSE INC·Filed 1980·Granted Dec 27, 1983·32 cites·29 claims
- 0667US4689803AAntenna tuning system and methodMEGAPULSE INC·Filed 1985·Granted Aug 25, 1987·29 cites·4 claims
- 0766US5278568AMethod of and apparatus for two-way radio communication amongst fixed base and mobile terminal users employing meteor scatter signals for communications inbound from the mobile terminals and outbound from the base terminals via Loran communication signalsMEGAPULSE INC·Filed 1992·Granted Jan 11, 1994·39 cites·18 claims
- 0863US4151528AMethod of and apparatus for unambiguous radio navigationMEGAPULSE INC·Filed 1977·Granted Apr 24, 1979·15 cites·21 claims
- 0960US5563611AMethod of and apparatus for integration of Loran-C and satellite navigation system (SNS) technologies for improved system accuracy, availability and integrityMEGAPULSE INC·Filed 1994·Granted Oct 8, 1996·47 cites·15 claims
- 1058US5796366AMethod of and apparatus for position location and tracking of a vehicle or the like by the reception at the vehicle of pulsed radio navigation signals as of the Loran-OC type and the like, with an autonomous loop antenna-receiverMEGAPULSE INC·Filed 1996·Granted Aug 18, 1998·50 cites·14 claims
- 1156US6014111AFerrite crossed-loop antenna of optimal geometry and construction and method of forming sameMEGAPULSE INC·Filed 1997·Granted Jan 11, 2000·23 cites·7 claims
- 1255US4230955AMethod of and apparatus for eliminating priming and carrier sweep-out losses in SCR switching circuits and the likeMEGAPULSE INC·Filed 1978·Granted Oct 28, 1980·9 cites·11 claims
- 1352US4674022ASCR priming and sweep-out circuit apparatusMEGAPULSE INC·Filed 1986·Granted Jun 16, 1987·12 cites·5 claims
- 1451US6928265B2Method of and apparatus for implementing high speed data communication by phase (frequency) modulation of loran-c navigation system using solid-state pulse transmitters and high-power solid state switching for dynamic antenna tuningMEGAPULSE INC·Filed 2002·Granted Aug 9, 2005·9 cites·16 claims
- 1551US4800391AMethod of and apparatus for message communication on Loran-C navigational signal broadcasts and the like with reduced navigation errorsMEGAPULSE INC·Filed 1987·Granted Jan 24, 1989·15 cites·10 claims
- 1650US5969439APulse generator apparatus for RF pulse generation in tuned loads including series regulation and capacitor clamping method thereforMEGAPULSE INC·Filed 1998·Granted Oct 19, 1999·11 cites·10 claims
- 1749US6452547B1Method of and apparatus for expanding the digital bit rate potential for communication added to loran-c radio navigation pulse trains and the like, without affecting the navigation capability and integrity thereofMEGAPULSE INC·Filed 2001·Granted Sep 17, 2002·8 cites·24 claims
- 1847US4821038AMethod of and apparatus for Loran-C message communication with reduced skywave navigation location errors and the likeMEGAPULSE INC·Filed 1987·Granted Apr 11, 1989·13 cites·7 claims
- 1944US5734544ASolid-state pulse generating apparatus and method particularly adapted for ion implantationMEGAPULSE INC·Filed 1996·Granted Mar 31, 1998·8 cites·11 claims
- 2042US7064705B2Method of and apparatus for increasing the peak output pulse power delivered by capacitor-driven high-power diode and square-loop saturable reactor pulse compression generators with the aid of minority carrier sweep-out circuits within the pulse compression circuitMEGAPULSE INC·Filed 2004·Granted Jun 20, 2006·2 cites·10 claims
- 2139US7391369B2Method of and apparatus for eliminating quadrature-generated signals in magnetic cross-loop antennasMEGAPULSE INC·Filed 2005·Granted Jun 24, 2008·2 cites·16 claims
- 2237US5952735AMethod of and apparatus for optimizing the matching of pulse generators driving high "Q" tuned loads, by phase splittingMEGAPULSE INC·Filed 1998·Granted Sep 14, 1999·4 cites·8 claims
- 2334US4743912AMethod of and apparatus for reducing cycle slippage errors in Loran-C and similar radio-frequency signal reception, particularly in vehicles undergoing accelerationMEGAPULSE INC·Filed 1985·Granted May 10, 1988·6 cites·12 claims
- 2434US2003027527A1Method of high-power switching and switch apparatus for frequency modulation within Loran-C signalsMEGAPULSE INC·Filed 2001·Application pending·0 cites
- 2533US4791422AMethods of and apparatus for measuring time of arrival of remote Loran-C and related signals and effective time of transmission of local signals at transmitter sitesMEGAPULSE INC·Filed 1986·Granted Dec 13, 1988·9 cites·9 claims
- 2630US5380962AHigh-power RF switchMEGAPULSE INC·Filed 1992·Granted Jan 10, 1995·0 cites·11 claims
- 2720US2008186232A1Method of and apparatus for true north azimuth determination using the combination of crossed loop antenna and radio positioning system technologiesMEGAPULSE INC·Filed 2007·Application pending·0 cites
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