Assignee
CHERRY SEMICONDUCTOR CORP
US·52 granted patents·1,199 citations·filing 1978–1998
Top patents by PatentIndex Score
52 records- 0194US5734259ABalanced delta current method for current control in a hysteretic power supplyCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Mar 31, 1998·196 cites·19 claims
- 0292US5666044AStart up circuit and current-foldback protection for voltage regulatorsCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Sep 9, 1997·84 cites·24 claims
- 0390US4928200AOvercurrent protection for switching mode power converterCHERRY SEMICONDUCTOR CORP·Filed 1987·Granted May 22, 1990·80 cites·4 claims
- 0485US5006975APower factor correction circuitCHERRY SEMICONDUCTOR CORP·Filed 1989·Granted Apr 9, 1991·78 cites·22 claims
- 0584US5805401AUndervoltage lockout circuit with sleep pinCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Sep 8, 1998·51 cites·46 claims
- 0680US4819122AOver-current timer modulatorCHERRY SEMICONDUCTOR CORP·Filed 1987·Granted Apr 4, 1989·42 cites·19 claims
- 0779US5266884AThreshold controlled circuit with ensured hysteresis precedenceCHERRY SEMICONDUCTOR CORP·Filed 1992·Granted Nov 30, 1993·38 cites·5 claims
- 0875US5663667ASwitched leading edge replacement for current sense signalCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Sep 2, 1997·43 cites·13 claims
- 0973US5909109AVoltage regulator predriver circuitCHERRY SEMICONDUCTOR CORP·Filed 1997·Granted Jun 1, 1999·27 cites·31 claims
- 1073US5703473AProgrammable PWM output voltage independent of supplyCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Dec 30, 1997·31 cites·35 claims
- 1172US5955910ASwitch with programmable delayCHERRY SEMICONDUCTOR CORP·Filed 1998·Granted Sep 21, 1999·40 cites·27 claims
- 1272US5841313ASwitch with programmable delayCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Nov 24, 1998·43 cites·44 claims
- 1370US5798663APrecision hysteresis generatorCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Aug 25, 1998·30 cites·16 claims
- 1470US4719559ACurrent-mode control of capacitively coupled power convertersCHERRY SEMICONDUCTOR CORP·Filed 1986·Granted Jan 12, 1988·30 cites·18 claims
- 1569US6023185ATemperature compensated current referenceCHERRY SEMICONDUCTOR CORP·Filed 1997·Granted Feb 8, 2000·26 cites·12 claims
- 1669US5428287AThermally matched current limit circuitCHERRY SEMICONDUCTOR CORP·Filed 1994·Granted Jun 27, 1995·26 cites·21 claims
- 1766US4791315ACross-coupled latchCHERRY SEMICONDUCTOR CORP·Filed 1987·Granted Dec 13, 1988·15 cites·9 claims
- 1866US4266218AAlarm system control circuitCHERRY SEMICONDUCTOR CORP·Filed 1978·Granted May 5, 1981·18 cites·24 claims
- 1965US5757210AComparator with latchCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted May 26, 1998·20 cites·20 claims
- 2064US5796280AThermal limit circuit with built-in hysteresisCHERRY SEMICONDUCTOR CORP·Filed 1997·Granted Aug 18, 1998·21 cites·18 claims
- 2162US5793241AHigh speed active op-amp clampCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Aug 11, 1998·19 cites·31 claims
- 2261US4887022AUnder voltage lockout circuit for switching mode power supplyCHERRY SEMICONDUCTOR CORP·Filed 1989·Granted Dec 12, 1989·15 cites·10 claims
- 2360US5804955ALow voltage current limit circuit with temperature insensitive foldback networkCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Sep 8, 1998·16 cites·17 claims
- 2459US5838524ACurrent limit circuit for inhibiting voltage overshootCHERRY SEMICONDUCTOR CORP·Filed 1997·Granted Nov 17, 1998·16 cites·15 claims
- 2558US5015942APositive temperature coefficient current source with low power dissipationCHERRY SEMICONDUCTOR CORP·Filed 1990·Granted May 14, 1991·20 cites·7 claims
- 2651US4356445AMethod and apparatus for driving air core meter movementsCHERRY SEMICONDUCTOR CORP·Filed 1980·Granted Oct 26, 1982·8 cites·19 claims
- 2750US5789955ACurrent slew rate limiterCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Aug 4, 1998·16 cites·19 claims
- 2850US5343141ATransistor overcurrent protection circuitCHERRY SEMICONDUCTOR CORP·Filed 1992·Granted Aug 30, 1994·13 cites·41 claims
- 2950US4999527AOne-spot multivibratorCHERRY SEMICONDUCTOR CORP·Filed 1989·Granted Mar 12, 1991·8 cites·3 claims
- 3048US5834964ALateral PNP fast turn-on circuitCHERRY SEMICONDUCTOR CORP·Filed 1997·Granted Nov 10, 1998·12 cites·31 claims
- 3147US5770979AProgrammable oscillator using one capacitorCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Jun 23, 1998·14 cites·19 claims
- 3246US5781058ATotem pole driver with cross conduction protection and default low impedance state outputCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Jul 14, 1998·9 cites·26 claims
- 3346US4931750AVoltage controlled oscillatorCHERRY SEMICONDUCTOR CORP·Filed 1989·Granted Jun 5, 1990·7 cites·9 claims
- 3444US4820935AMultiple function driver circuitCHERRY SEMICONDUCTOR CORP·Filed 1988·Granted Apr 11, 1989·12 cites·10 claims
- 3544US4720689AHigh frequency precision oscillator with synchronous capabilityCHERRY SEMICONDUCTOR CORP·Filed 1987·Granted Jan 19, 1988·6 cites·39 claims
- 3637US4885525AVoltage controllable current sourceCHERRY SEMICONDUCTOR CORP·Filed 1989·Granted Dec 5, 1989·5 cites·8 claims
- 3736US5896058AHigh speed totem pole FET driver circuit with differential cross conduction preventionCHERRY SEMICONDUCTOR CORP·Filed 1997·Granted Apr 20, 1999·6 cites·18 claims
- 3836US5886511ATemperature insensitive foldback networkCHERRY SEMICONDUCTOR CORP·Filed 1998·Granted Mar 23, 1999·4 cites·17 claims
- 3936US5719491AOutput driver for high-speed deviceCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Feb 17, 1998·7 cites·14 claims
- 4036US4779062AShort circuit current limiterCHERRY SEMICONDUCTOR CORP·Filed 1987·Granted Oct 18, 1988·7 cites·10 claims
- 4136US4721867AHigh speed logic gate with simulated open collector outputCHERRY SEMICONDUCTOR CORP·Filed 1986·Granted Jan 26, 1988·6 cites·2 claims
- 4234US5903425ALateral PNP fast turn-off circuitCHERRY SEMICONDUCTOR CORP·Filed 1997·Granted May 11, 1999·5 cites·39 claims
- 4334US4916332ATiming and supply bias circuit using one capacitorCHERRY SEMICONDUCTOR CORP·Filed 1989·Granted Apr 10, 1990·2 cites·15 claims
- 4432US5192901AShort circuit protectionCHERRY SEMICONDUCTOR CORP·Filed 1990·Granted Mar 9, 1993·3 cites·8 claims
- 4531US5034705APower up and oscillator circuit using a single capacitorCHERRY SEMICONDUCTOR CORP·Filed 1990·Granted Jul 23, 1991·3 cites·19 claims
- 4630US5666076ANegative input voltage comparatorCHERRY SEMICONDUCTOR CORP·Filed 1996·Granted Sep 9, 1997·3 cites·14 claims
- 4730US5578950ALow voltage indicator with a self-biased driver circuitCHERRY SEMICONDUCTOR CORP·Filed 1994·Granted Nov 26, 1996·3 cites·18 claims
- 4828US4679006A50% duty cycle relaxation oscillator with latch-up prevention circuitCHERRY SEMICONDUCTOR CORP·Filed 1986·Granted Jul 7, 1987·3 cites·13 claims
- 4927US4670721ARelaxation oscillator integrated circuit having shortable zener diodes for adjusting discharge currentCHERRY SEMICONDUCTOR CORP·Filed 1986·Granted Jun 2, 1987·3 cites·13 claims
- 5026US5341038AError detector circuit for indication of low supply voltageCHERRY SEMICONDUCTOR CORP·Filed 1992·Granted Aug 23, 1994·1 cites·11 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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