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Class Information
Number: 327/509
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > External effect
Description: Subject matter wherein the operation of the circuit or system depends upon some externally applied force or field such as radiation, light, heat, sound, mechanical pressure, etc., or where compensation for the effects of such externally applied force or field is provided.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7444490 |
Apparatus, system, and method for modifying memory voltage and performance based on a measure of memory device stress |
Oct. 28, 2008 |
| 7180798 |
Semiconductor physical quantity sensing device |
Feb. 20, 2007 |
| 6924691 |
Rectifying charge storage device with sensor |
Aug. 2, 2005 |
| 6919741 |
Clock down sensor |
Jul. 19, 2005 |
| 6825708 |
Apparatus and method for an offset-correcting sense amplifier |
Nov. 30, 2004 |
| 6718275 |
Trimming circuit for a physical quantity sensor |
Apr. 6, 2004 |
| 6667520 |
SEU hard majority voter for triple redundancy |
Dec. 23, 2003 |
| 6600241 |
Method and apparatus for compensating for ionizing radiation induced threshold shift in metal oxide semiconductor field effect transistors |
Jul. 29, 2003 |
| 6097129 |
Electronically commutated motor |
Aug. 1, 2000 |
| 6046623 |
Signal detecting circuit |
Apr. 4, 2000 |
| 5977813 |
Temperature monitor/compensation circuit for integrated circuits |
Nov. 2, 1999 |
| 5974556 |
Circuit and method for controlling power and performance based on operating environment |
Oct. 26, 1999 |
| 5936460 |
Current source having a high power supply rejection ratio |
Aug. 10, 1999 |
| 5877637 |
Resistance bridge and its use in conversion systems |
Mar. 2, 1999 |
| 5859561 |
Differential load amplifier for piezoelectric sensors |
Jan. 12, 1999 |
| 5701101 |
Charge amplifier for blast gauges |
Dec. 23, 1997 |
| 5684428 |
Sensor apparatus capable of preventing high frequency noise |
Nov. 4, 1997 |
| 5627490 |
Amplifier circuit |
May. 6, 1997 |
| 5610552 |
Isolation circuitry for transmitter electronics in process control system |
Mar. 11, 1997 |
| 5546041 |
Feedback sensor circuit |
Aug. 13, 1996 |
| 5508655 |
Condition responsive solid-state switch |
Apr. 16, 1996 |
| 5461584 |
Semiconductor sensor device |
Oct. 24, 1995 |
| 5406137 |
Circuit arrangement for evaluating the signal of a capacitive measuring sensor |
Apr. 11, 1995 |
| 5391931 |
Protection of integrated circuit devices |
Feb. 21, 1995 |
| 5367265 |
Moisture-sensing controller for a clothes dryer |
Nov. 22, 1994 |
| 5349195 |
Spectroscopy method for high count rate nuclear pulses |
Sep. 20, 1994 |
| 5303190 |
Static random access memory resistant to soft error |
Apr. 12, 1994 |
| 5291607 |
Microprocessor having environmental sensing capability |
Mar. 1, 1994 |
| 5291534 |
Capacitive sensing device |
Mar. 1, 1994 |
| 5241575 |
Solid-state image sensing device providing a logarithmically proportional output signal |
Aug. 31, 1993 |
| 5233236 |
Method and device for compensating drift in a semiconductor element |
Aug. 3, 1993 |
| 5196734 |
CCS latch with in-circuit redundancy |
Mar. 23, 1993 |
| 5134312 |
Shared current source for alpha particle insensitive bipolar latch |
Jul. 28, 1992 |
| 5130672 |
Apparatus and method for sensing the presence of moving objects |
Jul. 14, 1992 |
| 5128823 |
Power semiconductor apparatus |
Jul. 7, 1992 |
| 5123490 |
Self-contained smoke activated fire extinguishing flooding system |
Jun. 23, 1992 |
| 5118966 |
Detection voltage output circuit of charge generation type sensing device |
Jun. 2, 1992 |
| 5113077 |
Radiation detection circuit having a signal integrating capacitor, and a data aquisition system for an X-ray scanner including such circuit |
May. 12, 1992 |
| 5109165 |
Failsafe feedback control system |
Apr. 28, 1992 |
| 5107139 |
On-chip transient event detector |
Apr. 21, 1992 |
| 5077528 |
Transient free high speed coil activation circuit and method for determining inductance of an inductor system |
Dec. 31, 1991 |
| 5075570 |
Switching state retention circuit having a feedback loop stabilizing capacitance |
Dec. 24, 1991 |
| 5072169 |
Radiation hardened power supplies for integrated circuits |
Dec. 10, 1991 |
| 5047661 |
Superlattice precision voltage reference |
Sep. 10, 1991 |
| 5039876 |
Radiation hardened bistable logic circuit |
Aug. 13, 1991 |
| 5026989 |
System for monitoring material dispensed onto a substrate |
Jun. 25, 1991 |
| 5019804 |
Apparatus and method for detecting movement of an object |
May. 28, 1991 |
| 4947057 |
Adjustable temperature variable output signal circuit |
Aug. 7, 1990 |
| 4942320 |
Transistor circuit with improved .alpha. ray resistant properties |
Jul. 17, 1990 |
| 4940905 |
ECL flip-flop with improved x-ray resistant properties |
Jul. 10, 1990 |
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