79results about How to "Reliable sensing" patented technology

A memory cell of a resistive semiconductor memory device, a resistive semiconductor memory device having a three-dimensional stack structure, and related methods are provided. The memory cell of a resistive semiconductor memory device includes a twin cell, wherein the twin cell stores data values representing one bit of data. The twin cell includes a main unit cell connected to a main bit line and a word line, and a sub unit cell connected to a sub bit line and the word line. Also, the main unit cell includes a first variable resistor and a first diode, and the sub unit cell includes a second variable resistor and a second diode.

In a radar system, a switcher is provided for switching over between at least two different directional characteristics, in particular for different distance ranges, of at least two transmitting antennas. On the receiving side, a combined evaluation of the digitized signals of at least two receiving antennas is performed, in the manner of a correlation of the receiving antenna signals.

A radar apparatus includes an antenna that receives echo signals, each of the echo signals being a radar signal reflected by one or more objects; a Doppler-frequency acquirer that acquires Doppler frequencies at each range bin from the received echo signals; a direction correlation power-value calculator that calculates direction correlation power values for respective combinations of the Doppler frequencies and at least one of a distance to the one or more objects and an arrival direction of the echo signals, each direction correlation power value indicating a strength of a corresponding echo signal; and a normalized direction correlation-value calculator that calculates, for the respective combinations, normalized direction correlation values, each normalized direction correlation value indicating a probability of the arrival direction of the corresponding echo signal.

A liquid filter, particularly for filtering diesel fuel, having a device for automatically discharging water separated from the fuel in the liquid filter, including a housing with an inlet and an outlet for the liquid to be filtered, a filter element arranged in a sealed manner between the inlet and the outlet, and a water collecting area underneath the filter element, in which the automatic water discharge device is connected in a sealed manner to the housing below the water collecting area, and includes in a single housing a sensor for sensing the water level in the water collecting area, an electrically operated water discharge device for discharging water from the water collecting area, a water outlet, and a microprocessor operatively connected to the sensor, to the water discharge device and to a control unit of the internal combustion engine, such that in a predetermined operational state of the internal combustion engine while the engine is running, the microprocessor activates the water discharge device when the sensor emits an appropriate signal indicating water in the collecting area.

An image input apparatus includes an image reading assembly positioned below a placement surface on which an object to be examined is placed, and a sensing circuit for sensing that the object is placed on the placement surface, in accordance with a pressure applied to the placement surface.

A microphone uses an infrared light emitting element and an infrared light receiving element as a proximity sensor. The microphone can avoid the adverse effect of disturbing light without the need for a special optical filter to enable a person (speaker) to be reliably sensed. The microphone includes a microphone unit which converts a sound wave into an electric signal to output the signal from a microphone output section 151, and a proximity sensor. An output signal from the proximity sensor controllably turns on and off the microphone output section 151. The proximity sensor includes an infrared light receiving element 131 tuned only to a particular frequency to output a light reception signal and infrared light emitting elements 121 and 122 which emit infrared rays at the frequency to which the infrared light receiving element is tuned.

A plate heat exchanger includes a heat exchanger plate having a heat transfer area and an edge area, extending around the heat transfer area. The heat exchanger plate is a double wall plate formed by two adjoining plates compressed to be in contact with each other. A sensor configured to sense at least one parameter and to produce a signal depending on the parameter includes a sensor probe that is provided between the adjoining plates.

An integrated circuit memory contains a memory cell connected to a bit line that does not float during a portion or all of the read sensing part of the read cycle. The memory cell includes a data storage device. The data storage device may be a ferroelectric capacitor, a linear capacitor, a floating gate transistor, a magnetic device, a resistive device or other type of data storage device capable of placing a charge on the bit line corresponding to a specific data state of the memory cell. The bit line and a reference bit line are connected to a differential amplifier and precharged to specified voltages. Preferably, a self-nulling sense amplifier circuit is connected to the bit lines that compensates for sense amplifier offset by applying additional charges on the bit lines. Alternatively, charge sources may be connected to the bit lines to provide additional charges on the bit lines during the read cycle. Memory cells according to this invention can be configured to provide a reference cell for the reference bit line.

A body interface device for a urine aspiration system comprises a skin contact pad with gel adhesive for adhering to the skin, and a flexible cover attached to the pad. The pad includes at least one aperture for admitting urine through the pad into the body interface device. The flexible cover has a bulged form projecting away from the gasket. The flexible cover defines a urine receiving chamber facing towards the gasket, and recess facing away from the chamber for receiving at least a portion of a non-contact liquid sensor. The recess and chamber have a wall portion in common that separates the recess and the chamber. A liquid acquisition material in the chamber receives and transports urine for rapid sensing by the non-contact sensor. An aspiration unit is responsive to the non-contact liquid sensor to apply aspiration suction to the body interface device, upon detection of urine.

A body interface device for a urine aspiration system comprises a skin contact pad with gel adhesive for adhering to the skin, and a flexible cover attached to the pad. The pad includes at least one aperture for admitting urine through the pad into the body interface device. The flexible cover has a bulged form projecting away from the gasket. The flexible cover defines a urine receiving chamber facing towards the gasket, and recess facing away from the chamber for receiving at least a portion of a non-contact liquid sensor. The recess and chamber have a wall portion in common that separates the recess and the chamber. A liquid acquisition material in the chamber receives and transports urine for rapid sensing by the non-contact sensor. An aspiration unit is responsive to the non-contact liquid sensor to apply aspiration suction to the body interface device, upon detection of urine.

A display device that is capable of reliably sensing a contact with a touch panel is presented. The device includes: a first insulating substrate; a first sensing line disposed on the first insulating substrate in a predetermined direction; a first pixel disposed on the left side of the first sensing line; a second pixel disposed on the right side of the first sensing line; a first data line disposed on the left side of the first pixel; and a second data line disposed on the right side of the second pixel. The first pixel is connected with the first data line and the second pixel is connected with the second data line.

Embodiments of the invention generally provide a method and apparatus that is configured to reduce the effects of interference that is undesirably provided to a transmitter signal that is delivered from a transmitter signal generating device to a sensor processor to determine if an input object is disposed within a touch sensing region of a touch sensing device. In one embodiment, the sensor processor includes a receiver channel that has circuitry that is configured to separately receive a transmitter signal delivered from a display processor and a sensor processor reference signal that is based on a display processor reference signal to reliably sense the presence of an object. Embodiments of the invention described herein thus provide an improved apparatus and method for reliably sensing the presence of an object by a touch sensing device.

An improved latch-type sense amplifier circuit having two cross-coupled inverters forming a latch, a supply coupling device for selectively connecting the latch to a supply source, and a bit line coupling circuits for selectively connecting the inputs of each inverter to the complimentary bit line from the memory array. The circuit is configured to sense a voltage difference between the bit lines with improved reliability by providing a delayed sense amplifier enable signal to pass transistors for delaying disconnection of the bit lines from the sense amplifier until the latching action is completed, and adding two transistors in series with the existing transistors of the conventional latch for correcting the offset between the threshold voltages of the inverters of the latch.

A seating sensor reliably senses an adult or a child seated on a vehicle seat, and prevents incorrect sensing of a seated occupant when a piece of luggage is placed on the seat. The seating sensor includes a first sensor cell, a second sensor cell connected in series with the first sensor cell and disposed on the front side of the seat beyond the first sensor cell, and a third sensor cell connected in series with the first sensor cell, connected in parallel with the second sensor cell, and disposed on the rear side of the seat beyond the first sensor cell.

The invention refers to a plate heat exchanger and a heat exchanger plate. The heat exchanger plate for a plate comprises a heat transfer area and an edge area, extending around the heat transfer area. The heat exchanger plate is a double wall plate formed by two adjoining plates compressed to be in contact with each other. The heat exchanger plate comprises a sensor which is configured to sense at least one parameter and to produce a signal depending on the parameter and that the sensor comprises a sensor probe that is provided between the adjoining plates.

A glass-coated article having substantially rectangular cross-section is excited using a tickler magnetic field. Harmonics of the a.c. magnetic field that are thusly caused to emanate from said article are detected by either magnetic field sensing coils or by mixing with a propagating radio frequency field. A portal design ensures the detection of the glass-coated article having substantially rectangular cross-section, no matter its spatial orientation. Teachings of the instant invention are critical for the use of glass-coated articles having substantially rectangular cross-section in a number of applications that include but are not limited to anti-theft systems; monitoring of tamper-proof packages; tracking, tracing and identification of currency, secure documents, drivers licenses, and passports; tracking of personnel, labels and paper products, merchandising items, and composites; monitoring movement of textiles including clothing and garments and materials used to make said textiles containing the invention; authentication and brand theft protection, credit card verification and protection against fraud; biometrics and other medical applications.

A sensing mechanism for crystal orientation indication mark of semiconductor wafer is provided. The semiconductor wafer includes: a device region formed on a surface of the semiconductor wafer, plural devices are formed or are to be formed on the surface; a circular peripheral extra region formed around the device region; a chamfered portion formed at a peripheral edge portion of the peripheral extra region; a flat surface as a mark indicating a crystal orientation of the semiconductor wafer. The mark is positioned within a region of the chamfered portion and is perpendicular to a surface direction of the semiconductor wafer. The sensing mechanism includes: an optical sensor having an optical axis parallel to the surface direction of the semiconductor wafer; and a rotatable holding table for holding the semiconductor wafer. The flat surface is sensed by the sensing mechanism.

A line voltage signal at a first voltage and a first current supplied by a line voltage switching device responsive to a sensed or detected event can be provided to a first node of a regulator. A portion of the line voltage signal can be passed at the first voltage through a capacitive device in the regulator and provided at a second node for return to an electrical circuit containing a load device. The remaining portion of the line voltage signal can be passed to a voltage divider comprising at least a first resistive device and a second resistive device. A signal output at a second voltage and a second current that is suitable for introduction to a high-impedance controller input can be obtained at a third node electrically coupled to a point between the first resistive device and the second resistive device

A line voltage signal at a first voltage and a first current supplied by a line voltage switching device responsive to a sensed or detected event can be provided to a first node of a regulator. A portion of the line voltage signal can be passed at the first voltage through a capacitive device in the regulator and provided at a second node for return to an electrical circuit containing a load device. The remaining portion of the line voltage signal can be passed to a voltage divider comprising at least a first resistive device and a second resistive device. A signal output at a second voltage and a second current that is suitable for introduction to a high-impedance controller input can be obtained at a third node electrically coupled to a point between the first resistive device and the second resistive device.

A sensor arrangement is suitable for detecting if a windscreen of a motor vehicle is fogging. The sensor arrangement includes a heat conducting layer disposed on a supporting surface, the layer exhibiting good heat conducting properties. A support plate is arranged on top of the heat conducting layer, including a recess and several electrical conductor tracks. A moisture-sensitive sensor element is arranged in the region of the recess of the support plate. The sensor element is electroconductively connected to the conductor tracks on the support plate. The temperature difference between the sensor element and the supporting plate may not exceed a given limit when measurement occurs.

In a fuel-cell two-wheeled vehicle, a cooling liquid pouring pipe extending from a pipe line of a cooling system to a cooling liquid supply port member is provided in a winding path so as to pass both side portions, a front portion, and a left rear portion of an axis of a head pipe. The cooling liquid supply port member is located on a central axis of width of the vehicle in the vicinity behind the head pipe. A hydrogen sensor for sensing hydrogen gas in the cooling liquid pouring pipe is mounted on an inside surface of a cap for closing an opening. The cap is removably provided.

It is an object of the present invention to provide a spinning device that detects early that fibers F have been accumulated in an air exhausting space 55 to prevent a defect (weak yarn) in a spun yarn. A spinning device in accordance with the present invention includes a pneumatic spinning nozzle 19, a whirling current generating chamber 25 in which fibers are twisted using a whirling air current generated by the pneumatic spinning nozzle, an air exhausting space 55 that is in communication with the whirling current generating chamber 25, a negative pressure source that sucks air from the air exhausting space 55, and a pressure sensor 63 that detects a pressure in the air exhausting space 55. When the pressure detected by the pressure sensor 63 during a spinning operation performed by the pneumatic spinning nozzle 19 rises to at least a predetermined value, the unit controller 32 performs control such that the spinning operation is stopped. The unit controller 32 further lights an alarm lamp 71.

A memory cell of a resistive semiconductor memory device, a resistive semiconductor memory device having a three-dimensional stack structure, and related methods are provided. The memory cell of a resistive semiconductor memory device includes a twin cell, wherein the twin cell stores data values representing one bit of data. The twin cell includes a main unit cell connected to a main bit line and a word line, and a sub unit cell connected to a sub bit line and the word line. Also, the main unit cell includes a first variable resistor and a first diode, and the sub unit cell includes a second variable resistor and a second diode.

The invention relates to a device for determining the cutting horizon of a mining winning system, having a movable conveyor which is composed of individual pan elements, and having at least one optical detection sensor which has a sensor head that is received in a sensor carrier and can be pressed with at least one pressure means against a coal / basement rock boundary layer. In order to improve the sensing and working reliability, over the length of the conveyor, a plurality of pan elements are configured as sensor pans which are provided with a protected recess which is open to the basement rock and in which the sensor carrier is arranged or can be arranged such that it can be disassembled together with the sensor head.

Provided is a apparatus for sensing a liquid level reliably based solely on an analog process even if a liquid held in a container boils, causing the liquid level to fall. A liquid level sensing apparatus includes: a probe selection unit configured to select a probe whose heater is to be activated from among the plurality of probes; an input unit configured to receive an output of the temperature sensor of the probe selected by the probe selection unit, the output being received as a temperature signal directly in the form of an analog quantity; a signal processing unit configured to output a processing signal of the temperature signal in synchronization with activation of the heater; a calculation unit configured to arithmetically process the temperature signal and the processing signal and output a result; a gas / liquid discrimination unit configured to discriminate whether the detecting point exists in a gas phase or a liquid phase based on the output result of the arithmetic processing; and a display unit configured to indicate a discrimination result produced by the gas / liquid discrimination unit.

The invention is a microwave powered lamp (10). The lamp includes a light reflective cavity (28); an electrodeless bulb (16) contained in the light reflective cavity (26) from which light is emitted when the electrodeless bulb is excited by microwaves; a magnetron (12) for providing the microwaves for exciting the electrodeless bulb; a waveguide (14) which couples the microwaves emitted by the magnetron to the light reflective cavity for exciting the electrodeless bulb; a housing (22) which contains the lamp; a detector (102, 202) disposed within the housing, which detects the microwaves which are not coupled to the bulb during operation of the magnetron and outputs a signal indicative of a level of received microwaves; and a magnetron control (300), coupled to the detector, which causes the magnetron to be turned off when a level of the signal indicates the level of received microwaves exceeds a threshold.

A method of identifying an available channel of a plurality of frequency channels defined in a radio frequency spectrum for use by a transmitting station, wherein scanning for an available channel in a frequency spectrum is performed by a scanning method in which a bidirectional search is performed away from an initial channel frequency. The method may include steps to take when a boundary of the spectrum is encountered, and may also take into account existing information concerning channel reservation. A related scanner and radio apparatus is also described.

An abnormality detection apparatus for a mold clamping device, having a simple configuration that can be constructed inexpensively. A dog is mounted on the crosshead of a toggle mechanism of the mold clamping device and a proximity switch is mounted on a rear platen. The shape of the dog and the location of the mounting of the proximity switch are adjusted so that the proximity switch switches ON at a mold touch position of mold touch and switches OFF when the toggle mechanism, which generates a predetermined clamping force, locks up. An alarm is output if the length of time during which the proximity switch is ON during the process of clamping the mold or opening the mold exceeds a predetermined reference value. If in the interval from mold touch to lock-up a large load is put on a servo motor and a belt that drive the crosshead and an abnormality such as breakage of the belt or the like occurs during this interval, it can be detected at once. Simply by adding a dog and a proximity switch enables breakage of the belt to be detected with ease.