Assignee
CROWN INT
US·25 granted patents·549 citations·filing 1978–1997
Top patents by PatentIndex Score
25 records- 0190US4330809AThermal protection circuit for the die of a transistorCROWN INT·Filed 1979·Granted May 18, 1982·42 cites·7 claims
- 0284US5513094ASwitch-mode power supply for bridged linear amplifierCROWN INT·Filed 1995·Granted Apr 30, 1996·53 cites·14 claims
- 0380US4625827AMicrophone windscreenCROWN INT·Filed 1985·Granted Dec 2, 1986·81 cites·3 claims
- 0477US5657219AOpposed current power converterCROWN INT·Filed 1995·Granted Aug 12, 1997·53 cites·19 claims
- 0575US4788452ASwitchable DC power supply with increased efficiency for use in large wattage amplifiersCROWN INT·Filed 1987·Granted Nov 29, 1988·24 cites·8 claims
- 0670US4644288AMethod of fault sensing for power amplifiers having coupled power stages with normally alternate current flowCROWN INT·Filed 1985·Granted Feb 17, 1987·17 cites·10 claims
- 0770US4611180AGrounded bridge amplifier protection through transistor thermo protectionCROWN INT·Filed 1985·Granted Sep 9, 1986·18 cites·4 claims
- 0861US5500626AIndependent amplifier control moduleCROWN INT·Filed 1994·Granted Mar 19, 1996·23 cites·24 claims
- 0958US4694499ADirectional microphone with acoustic washerCROWN INT·Filed 1985·Granted Sep 15, 1987·34 cites·3 claims
- 1055US4195267ALow-level preamplifier circuitCROWN INT·Filed 1978·Granted Mar 25, 1980·6 cites·5 claims
- 1154US5182465AAmplifier selector for magnetic resonance imaging machineCROWN INT·Filed 1990·Granted Jan 26, 1993·16 cites·12 claims
- 1253US5045990ASixteen level power supply with asynchronous controllerCROWN INT·Filed 1990·Granted Sep 3, 1991·20 cites·7 claims
- 1352US5276603ASixteen level power supply with asynchronous controllerCROWN INT·Filed 1993·Granted Jan 4, 1994·20 cites·6 claims
- 1450US5309517AAudio multiplexerCROWN INT·Filed 1992·Granted May 3, 1994·37 cites·7 claims
- 1550US4633045ADifferential microphoneCROWN INT·Filed 1985·Granted Dec 30, 1986·25 cites·3 claims
- 1648US5949296APower supply modulator circuit for transmitterCROWN INT·Filed 1997·Granted Sep 7, 1999·11 cites·6 claims
- 1747US5862401AProgrammable central intelligence controller and distributed intelligence network for analog/digital control systemsCROWN INT·Filed 1997·Granted Jan 19, 1999·21 cites·21 claims
- 1844US5345198APower supply modulator circuit for transmitterCROWN INT·Filed 1993·Granted Sep 6, 1994·7 cites·20 claims
- 1937US5015969AAmplifier control systemCROWN INT·Filed 1989·Granted May 14, 1991·8 cites·6 claims
- 2036US4158820ALow level preamplifier circuitCROWN INT·Filed 1978·Granted Jun 19, 1979·2 cites·3 claims
- 2134US5736906APower supply modulator circuit for transmitterCROWN INT·Filed 1996·Granted Apr 7, 1998·6 cites·14 claims
- 2234US4604719AOscillator having a sixteen bit signal generation utilizing an eight bit processorCROWN INT·Filed 1983·Granted Aug 5, 1986·2 cites·5 claims
- 2332US5805717ALight sensitive switch with microphoneCROWN INT·Filed 1995·Granted Sep 8, 1998·11 cites·9 claims
- 2432US5438503ASlew rate control in a multi-level switchCROWN INT·Filed 1994·Granted Aug 1, 1995·4 cites·11 claims
- 2528US4807165AMethod for the determination and display of signal arrival time, intensity and directionCROWN INT·Filed 1987·Granted Feb 21, 1989·8 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →