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Loukusa

Jeffrey Loukusa, Hamel, MN US

Patent application numberDescriptionPublished
20100176886Circuit for Adjusting the Temperature Coefficient of a Resistor - A temperature-compensated-resistance (TCR) circuit, which may be part of an integrated circuit, is provided. The TCR circuit consists of two resistors and a diode. The two resistors are connected in parallel and the diode is connected in series with one of the resistors. The two parallel legs of the TCR circuit may be connected to a reference voltage source, such as a ground. No specialized devices, such as bipolar transistors, Zener or Schottky diodes, or specially-processed resistors, are required by the TCR circuit. The resistors and the diode of the TCR circuit may be chosen to adjust for temperature variations in the resistance values of the resistor, leading to a negative, zero, or positive temperature coefficient of resistance for the circuit. A phase-locked loop (PLL) circuit is described as an application of the TCR circuit.07-15-2010

Jeffrey D. Loukusa, Hamel, MN US

Patent application numberDescriptionPublished
20090174432System for Providing a Complementary Metal-Oxide Semiconductor (CMOS) Emitter Coupled Logic (ECL) Equivalent Input/Output (I/O) Circuit - A system for providing a CMOS I/O circuit design that may replace existing bipolar I/O circuitry, and thus behave in substantially the same manner as bipolar I/O circuitry. Thus, an I/O circuit using a standard CMOS process is made that mimics operation of an ECL I/O circuit created using bipolar transistors. The CMOS input circuitry can receive input signals from an ECL output circuit, so as to mimic traditional ECL input circuitry. The CMOS output circuitry can output signals to an ECL input circuit, so as to mimic traditional ECL output circuitry. The CMOS I/O circuitry is designed to mimic the temperature dependent signals level, as present within traditional ECL I/O circuitry.07-09-2009

Michael E. Loukusa, Buffalo, MN US

Patent application numberDescriptionPublished
20090102925ERGONOMIC CONFIGURATIONS FOR THERMAL IMAGING CAMERAS - A housing of a thermal imaging camera includes a camera portion, in which an thermal imaging assembly is mounted, and to which a focusing assembly is mounted, on a first side thereof, and to which a display is mounted, on a second side thereof; a handle portion of the housing extends from a bottom side of the camera portion of the housing at an angle, away from the first side of the camera portion. The housing is configured for ergonomic handling wherein an index finger of a hand may readily activate the focusing assembly, when the hand is wrapped about the handle portion of the housing. The hand may be a right hand or a left hand, and the camera may further include additional features to provide support for single-handed operation.04-23-2009
20100046577THERMAL INSTRUMENT ENGINE - An engine for use in a thermal instrument. The engine includes an infrared camera module and may also include a visible light camera module. The engine includes several temperature sensors mounted on a printed circuit board assembly that permit the engine to provide improved radiometry functionality and improved fine offset compensation capabilities.02-25-2010
20110014812THERMAL IMAGING DEVICE WITH A BATTERY PACK WITH A SHOCK ABSORBER - A thermal imaging device includes a replaceable battery pack, which may include a shock absorbing and/or seal member. A battery portion of the battery pack includes an electrical contact and a sidewall that contains at least one battery cell, which is electrically coupled to the contact. An attachment mechanism of the battery pack is configured to engage a portion of a housing of the device, such that a portion of the battery pack forms a terminal end of the device, the battery portion is held within the portion of the housing, and the electrical contact of the battery portion is operably connected to the imaging assembly of the device. The attachment mechanism is releasable from engagement with the housing, such that an entirety of the battery pack can be completely separated from the thermal imaging device.01-20-2011
20110091758THERMAL IMAGING DEVICE WITH A BATTERY PACK WITH A SEAL MEMBER MOLDED DIRECTLY THEREON - A thermal imaging device includes a replaceable battery pack, which may include a shock absorbing and/or seal member. A battery portion of the battery pack includes an electrical contact and a sidewall that contains at least one battery cell, which is electrically coupled to the contact. An attachment mechanism of the battery pack is configured to engage a portion of a housing of the device, such that a portion of the battery pack forms a terminal end of the device, the battery portion is held within the portion of the housing, and the electrical contact of the battery portion is operably connected to the imaging assembly of the device. The attachment mechanism is releasable from engagement with the housing, such that an entirety of the battery pack can be completely separated from the thermal imaging device.04-21-2011

Patent applications by Michael E. Loukusa, Buffalo, MN US