9300 results about "Pressure detection" patented technology

An operation control device includes a contact detection unit for detecting contact of an operation body with a display surface of a display unit on which information is displayed, a pressure detection unit, provided on the display unit, for detecting a pressure at which the operation body presses the display surface of the display unit, and an operation control unit for changing a display state of the information displayed on the display unit in a forward or reverse direction on the basis of an amount of pressure detected by the pressure detection unit until the operation body makes contact with and is separated from the display surface of the display unit.

A semiconductor processing system including a semiconductor processing apparatus and a gas supply apparatus for supplying a process gas into the semiconductor processing apparatus includes a control section configured to control an operation of a pressure adjusting mechanism for adjusting the pressure inside a vaporizing chamber. The control section is preset to cause the pressure inside the vaporizing chamber to fall within a predetermined pressure range with reference to a pressure detection value obtained by a pressure detector. The predetermined pressure range is defined by an upper limit lower than a first limit value, at which vaporization of the liquid material starts being inhibited due to an increase in the pressure, and a lower limit higher than a second limit value, at which vaporization of the liquid material starts being unstable and the pressure inside the vaporizing chamber starts pulsating movement due to a decrease in the pressure.

The embodiment of the invention provides a touch display panel with a pressure detection function, a display device and a driving method and relates to the technical field of display. Compared with the prior art, the mechanism design of a display does not need to be changed. The touch display panel comprises a plurality of touch electrodes arranged on a box combining substrate, touch electrode walking lines electrically connected with the touch electrodes, a plurality of pressure detection electrodes arranged on the box combining substrate or an array substrate and pressure detection electrode walking lines electrically connected with the pressure detection electrodes. Any pressure detection electrode corresponds to at least one touch electrode. Relative to the pressure detection electrodes, the touch electrodes are closer to the light emitting side of the touch display panel. The touch display panel is used for meeting the requirement for the pressure detection function.

An input device includes an input pen that is capable of detecting an amount of a pen pressure applied to a pen tip. The input pen has a resistance film that alters a resistance vale thereof according to a touch area, a spring that alters the touch area between the spring and the resistance film, a pen pressure detecting circuit that detects the amount of the pen pressure applied to the pen tip based on the touch area, and an infrared output circuit that outputs the amount of the pen pressure to a receiver with the use of infrared rays. The spiral-shaped spring is configured so that a diameter may become smaller as further from the pen tip. It is thus possible to detect the amount of the pen pressure applied to the pen tip based on the touch area that varies according to a movement of the pen tip, and thereby possible to express different line widths in drawing according to the amount of the pen pressure applied to the pen tip.

An air filter device and an operating method thereof. The air filter device comprises an air filter system and a powder distribution system. The air filter system comprises an air filter chamber (1), a clean air chamber (2), and a high-pressure jet pulse powder cleaning device (3). An entrance of the air filter chamber (1) is in communication with an air inlet pipe (4); an exit of the clean air chamber (2) is in communication with an air outlet pipe (6), and the air outlet pipe (6) is in communication with an exhaust fan (9). A plurality of bag filters or filter cartridges (10) are disposed in the air filter chamber (1). An opening end of each of the bag filters or filter cartridges (10) is in communication with the clean air chamber (2), and high-pressure jet pulse powder cleaning devices (3) are disposed above the opening end of the corresponding bag filters or filter cartridges (10). The powder distribution system includes a powder storage tank (13), which is in communication, via a powder delivery tube (15), with the air inlet pipe (4) of the air filter chamber (1). The operating method comprises a first powder distribution step and a second powder distribution step, which are respectively performed according to pressure detection status of the air filter chamber (1).

The invention discloses a wearable lower limb exoskeleton device, which comprises a waist supporting frame, a waist object carrier, an adjustable hip mechanism, a connecting rod adjustable knee joint mechanism, a connecting rod adjustable ankle joint mechanism, pressure detection shoes, a leg connecting rod, a constraint part and various connecting pieces. Both lower limbs have twelve rotational freedoms, the single lower limb has six degrees of freedom respectively, a hip has two degrees of freedom which finish bending and stretching as well as adduction and abduction movements of a hip joint, two joint axes always intersects at the center of the hip joint of a human body through the adjustment of the hip mechanism, and a knee joint has one degree of freedom which is coaxial with the knee joint of the human body and corresponds to the bending and stretching movement of the knee joint of the human body; and an ankle joint has three degrees of freedom. The device has good consistency of the movement of the hip joint and the movement of the human body during the walking of people; human-machine knee joints have small coaxality and position deviation; and the ankle joint has a compact structure. The device can be used for strengthening the abilities of walking with load and walking for a long time of wearers and detecting walking information of the wearers, and can also be used for helping people with slight obstacle of lower limb movement to normally walk and gradually rehabilitate.

The invention provides a method for controlling electronic equipment and electronic equipment. The method is applied to the electronic equipment; the electronic equipment comprises a touch display unit and a pressure detection unit; and M applications are installed on the electronic equipment, wherein M is an integer greater than or equal to 1. The method comprises the following steps of detecting whether the touch display unit is pressed by an operating system; when the touch display unit is pressed by the operating system, acquiring a first pressure value formed by the operating system on the touch display unit by the pressure detection unit; on the basis of a corresponding relation between pressure values and the applications, determining a first application corresponding to the first pressure value in the M applications; and operating the first application.

A power pump performance analysis system includes a signal processor connected to pressure sensors for sensing pressures in the cylinder chambers and inlet and discharge piping of a single or multi-cylinder pump. Pump speed and piston position are determined by a crankshaft position sensor. Pump vibration, fluid temperatures, and power input may also be measured by sensors connected to the processor. Performance analyses, including determination of pump volumetric efficiency, mechanical efficiency, suction and discharge valve sealing delay, valve and piston seal leakage, flow induced pressure variations, acceleration induced pressure detection, hydraulic resonance detection and pulsation dampener performance may be measured and selected parameters displayed on a visual display connected to the processor directly or via a network.

Pressure measurement system, comprising a pressure detection device comprising a pressure sensor guidewire 5 provided with a pressure sensor connected to an electrical carrier for transmitting pressure data from the sensor to a processing means 1. The guidewire is adapted to be inserted into a vessel of a subject, and an image data capturing device for capturing image data representative of the vessel. The processing means 1 comprising a computer program product which comprises computer executable instructions for manipulating image data and pressure data to generate an output in which the pressure data is mapped onto a corresponding position on an image where that pressure data was detected to provide an integrated graphical image output on a monitoring means 2.

A touch panel is installed in an electronic device. The touch panel comprises a display module and a plurality of pressure detection modules. The display module is electrically located in the electronic device. The plurality of pressure detection modules are electrically coupled to the electronic device, and each of them contacts the bottom of the display module. Each pressure detection module can transmit corresponding different signals to the electronic device according to different pressures, so as to calculate a pressed position of the display module according to the corresponding different pressures sensed by the pressure detection modules.

The invention discloses a pressure cooker and a pressure detection method and device thereof. The method comprises the following steps that the bottom temperature of the pressure cooker is detected; whether the bottom temperature is larger than a preset temperature threshold value or not is judged; if the bottom temperature is larger than the preset temperature threshold value, the upper lid temperature of the pressure cooker is detected; the saturated steam temperature in the pressure cooker is obtained according to the upper lid temperature, and a pressure value in the pressure cooker is obtained according to the saturated steam temperature and a preset saturated steam temperature and absolute pressure relation table. According to the method, the pressure in the pressure cooker can be detected conveniently and accurately.

A pressure-detecting mat includes a plurality of communication modules that are configured to communicate with each other using the two dimension diffusive signal-transmission technology, a module layer that includes the plurality of communication modules scattered therein, a plurality of conductive layers that electrically interconnect the plurality of communication modules, at least two insulating layers that sandwich the module layer and the plurality of conductive layers, and a plurality of pressure sensors that are arranged in one of all the layers except the farthest layer in a pressure applying direction. Each of the pressure sensors being capable of detecting a pressure and communicating with each of the communication modules to send an output signal according to the detected pressure to each of the communication modules. The total stiffness of the layers that are farther in the pressure applying direction than the layer in which the pressure sensors are arranged is higher than the total stiffness of the layers that are closer in the pressure applying direction than the layer in which the pressure sensors are arranged.

The invention is suitable for the technical field of touch sensors and provides a touch detection system and a detection method thereof. A position detection sensing electrode layer and a pressure detection sensing electrode layer are simultaneously arranged on the touch sensor, and position and quantity information of a touch point is detected through the position detection sensing electrode layer and stress information of the touch point is detected through the pressure detection sensing electrode layer, thus the touch detection system can not only be used for detecting the pressure but also used for detecting the position of a key accurately, realizes the effect of multi-finger pressure detection, and can be suitable for the technology of touch screen keyboards.

The invention relates to the technical field of electric pressure cookers and discloses a freshness-preserving electric pressure cooker. The cooker comprises a cooker body, an outer pot, an inner pot, a sealing ring, an outer lid and an inner lid, wherein a circumferential groove which is in the circle form and opens upward is formed in the outer side of a pot opening of the inner pot, the sealing ring comprises an upper lip piece and a lower lip piece, the upper lip piece is attached to the inner side of the inner lid, and when the inner lid is closed up, the lower lip piece extends into the circumferential groove; the inner lid is connected with a flexible pipe, and one end of the flexible pipe is communicated to the inner side of the inner lid in a sealed mode; a minisize vacuum pump is arranged in the cooker body, and the other end of the flexible pipe is communicated to the minisize vacuum pump; a pressure detection device used for detecting the pressure of gas inside the inner pot is arranged on the inner lid. By means of the freshness-preserving electric pressure cooker, the problem that food left in a cooker is short in freshness-preservation time is solved, the minisize vacuum pump is started, residual air in the cooker is extracted, the pressure in the cooker is lowered, so that the lower lip piece is closely attached to the inner side wall of the circumferential groove, air of the outside world cannot enter, the purpose of long-time freshness-preservation for residual food is achieved, the food does not need to be poured out additionally by a user for additional freshness preservation, and the cooker is greatly convenient for the user to use.

The invention provides a four-point leveling method of a platform. The method comprises the following steps that: legs extend out to touch a ground, rough regulation is performed in a large dip angle range, the legs stretch to a predetermined height, and fine regulation is carried out in a small dip angle range. The invention also provides a four-point leveling system of a platform, and the system comprises locking sleeve hydraulic legs (7)-(10), legs in-position inductors (19)-(22), a display and control combiner (30), a leveling controller (31), a hydraulic valve set (32), a pressure detection group (33) and a horizontal angle sensor (34). The system is simple in structure and control logic, the risk of side overturning in a control process is avoided, and the frequency of leveling is reduced.

Fluid leaks can be detected and controlled in a pressurized piping system. Apparatus for this includes control logic; in communication with the logic, a flow detector and/or a pressure detector, and a control valve. One or more of the following is or are provided also: the flow and pressure detectors are both present, and both as single units; the control logic, the flow and/or pressure detector(s) and the control valve are in close proximity to one another; and the control valve has a baseline condition of being shut off. A remote control device can remotely interact with the control logic. Pressure decay and/or flow properties can be employed. The fluid can be water as, for example, in a residential, commercial or institutional system.

A first aspect of the present invention is concerned with a double-helix electrode structure for sensing electrical activity of a patient's diaphragm, comprising first and second helical electrodes disposed in a double-helix arrangement for being positioned in the gastro-esophageal sphincter of the patient's diaphragm in view of sensing electrical activity of the patient's diaphragm. According to a second aspect, the present invention provides a pressure detection and acquisition device comprising a semiconductor substrate, a pressure sensor implemented on the semiconductor substrate and producing, when subjected to an external pressure, a pressure representative signal, and a signal acquisition and transmission circuit integrated to the semiconductor substrate, connected to the pressure sensor, and supplied with the pressure representative signal. Other aspects of the present invention relate to an EMG_di signal and pressure acquisition catheter.

The invention relates to the field of cooking equipment and discloses an electric pressure cooker and a control method for the same. The electric pressure cooker comprises a pressure detection switch, a second coil, an oscillating circuit, an oscillating circuit parameter detection circuit and a control circuit, wherein the second coil is in a parallel connection with the pressure detection switch; mutual inductance effects can be generated between the first coil in the oscillating circuit and the second coil; the oscillating circuit parameter detection circuit is used to detect oscillating circuit parameters of the oscillating circuit; and the control circuit determines whether a pressure in the electric pressure cooker reaches a preset value according to the detected oscillating circuit parameters. The electric pressure cooker and the method provided by the invention have the advantages that a layout position of the pressure detection switch in the electric pressure cooker will not be limited, so that structural design and structural optimization of the electric pressure cooker can be implemented easily.