54 results about "Electric signal" patented technology

A game system is provided with a converting means including a voice input member, such as a microphone, for allowing the game player or his/her friend to input voices and for converting the inputted voices into electrical signal data, a sound data storage for storing the electrical signal data obtained by the conversion together with predetermined sound-relating data corresponding to contents of instructions, a sound generator for generating voices from the corresponding electrical signal data when a game player makes a motion in response to the content of instruction, and a device for evaluating a game result based on the content of instruction. Accordingly, a sound output type game system which can provide more interesting and enjoyable games can be realized.

Apparatus for monitoring structural health conditions of structures. The apparatus includes a piezoelectric device that has a bottom cover plate, piezoelectric rings concentrically disposed with respect to an axis and positioned on the bottom cover plate, and concentric filler rings made from an electrically insulating material. Each of the piezoelectric rings is interposed between two adjacent filler rings. The piezoelectric device also includes electrical connection means for communicating electrical signals to the piezoelectric rings and a top cover plate that is positioned over the piezoelectric rings and filler rings. The electrical connection means are operative to transmit electrical signals that cause one or more of the piezoelectric rings to generate waves or transmit electrical signals developed by one or more of the piezoelectric rings in response to the waves.

The invention discloses a method for recovering a subscriber identity module (SIM) of a mobile phone in case of data transmission error and the mobile phone. When the data transmission error of the SIM of the mobile phone due to interference with an electric signal of the SIM occurs, the entire mobile phone system is not restarted, but the SIM is powered off and re-electrified for restarting and access to the SIM and connection to the network are performed. Compared with a method for restarting a mobile phone system, the method has the advantages that: time is effectively saved, convenience is brought to users, and new SIM restarting function is added for the mobile phone.

The invention relates to a device for detecting methane or carbon dioxide through optical interference, which comprises an optical path system using the same optical source to generate two groups of optical interference stripes, an image sensor converting the physical position information of the two groups of stripes into electric signals, and an electric signal collecting and processing part used for identifying the physical positions of the two groups of stripes and finally determining the methane content in the air. The invention also comprises a method for detecting the concentration of methane and carbon dioxide with the advantage of automatic zero tracking and precision automatic compensation capacity. The device and the method have the characteristic of adopting two groups of stripes in the same optical path to realize the differencing of the optical images; then the whole system processes data in a differencing mode, which greatly improves the anti-interference capacity of equipments. The device and the method are based on the automatic compensation principle of instrument precision, solve the difficulties of severe precision unbalancing and severe zero point excursion of the traditional optical interference methane detecting instrument caused by the aberration of the optical system, can intelligently identify when the precision of the instrument is severely unbalanced, and can effectively calibrate.

The invention discloses an intelligent monitoring device for temperature and insulation state of a 330KV high-voltage cable in a hydropower station. The device is characterized by being provided with a central processing module unit (CPU), a data acquisition and conversion unit, a light transmitting/receiving module, an alarm output module, a plurality of optical fiber temperature sensors and a plurality of current sensors, wherein the data acquisition and conversion unit is used for transmitting digital signals to the CPU under the control of the CPU; the light transmitting/receiving module is used for transmitting electrical signals to the data acquisition and conversion unit; the alarm output module can be used for communication with a remote monitoring system; the optical fiber temperature sensors are respectively arranged at the joints of the high-voltage cable to be detected and used for connecting temperature detection signals to the light transmitting/receiving module; and thecurrent sensors are respectively arranged on joint metal sheaths of the high-voltage cable to be detected and used for connecting current detection signals to the data acquisition and conversion unit. The device is particularly suitable for safety monitoring of the 330KV high-voltage cable in the hydropower station, can realize real-time monitoring of the temperature and the insulation state of the cable in the hydropower station, and can also ensure self safety.

The invention discloses a neutral point direct current online measurement device for a transformer, which comprises a Hall sensor, a copper bar, a transmission fiber, a signal processing module arranged in a box body, a photoelectric power conversion module, a measurement signal photoelectric conversion module and a power laser launching circuit module, wherein the copper bar penetrates through the two sides of the box body; the copper bar in the box body is sleeved with the Hall sensor; the signal processing module is used for receiving an output signal of the Hall sensor, converting the output signal into an optical signal and outputting the optical signal into the measurement signal photoelectric conversion module; the measurement signal photoelectric conversion module is used for converting the inputted optical signal into an electrical signal to output; the photoelectric power conversion module is used for providing power for the Hal sensor and the signal processing module; and the power laser launching circuit module is used for inputting medium power laser for the photoelectric power conversion module. The neutral point direct current online measurement device adopts the optical fiber to supply the energy and transmit the signals, blocks an over-voltage transmission path and improves the measurement stability and the accuracy.

The invention provides a fingerprint identification device, which includes detection substrate. several fingerprint detection units are arranged on the detection substrate; the light blocking plate is located on one side of the detection substrate with a fingerprint detection unit, the light blocking plate is provided with an optical communication hole which is in one-to-one correspondence with the fingerprint detection unit; a cover plate is positioned on one side of the light blocking plate facing away from the detection substrate, the cover plate comprises a light-emitting surface facing the light-blocking plate and a touch surface facing away from the light-blocking plate; a light source is positioned on one side of the light blocking plate facing away from the detection substrate andused for emitting light to the cover plate, at least a part of light of the light source can be reflected by the fingerprint on the touch surface of the cover plate to the light hole; Wherein the fingerprint detection unit is used for outputting corresponding electric signals according to the light intensity emitted to the fingerprint detection unit through the corresponding light hole. Correspondingly, the invention also provides fingerprint identification equipment. The invention can increase the distance of fingerprint identification.

An imaging apparatus includes: a zoom lens system including a plurality of groups and performing variable magnification by changing intervals of the lens groups; a color-separation optical system configured to carry out color separation of a light flux from the zoom lens system; and a plurality of imaging devices configured to convert optical images separated by colors by the color-separation optical system into electric signals. The zoom lens system includes at least one reflection member configured to bend an optical axis by 90 degrees or approximately 90 degrees. The color-separation optical system is arranged such that color-separation is performed in a direction within a plane perpendicular to another plane formed by an optical axis for light incident to the zoom lens system and an optical axis for light reflected by the reflection member.

A shaft sealing device with a simple internal structure switches a sealing state and an unsealing state of a fluid, with high sealing performance maintained, because of no abrasion accompanying the movement of a sealing material or a sealing member, thereby enabling feeding a fluid at a predetermined flow rate, and adjusts the expanding rate of the sealing material with the quantity of an external electric signal and accordingly adjusts the contact face pressure to enable controlling the amount of leakage of the fluid highly precisely, so that it can be used for all applications. The shaft sealing device includes a shaft sealing body formed of a macromolecular material and made expansible or contractible, or deformable, through external electrostimuli applied to a shaft sealing portion disposed in a device body, and flow passages disposed in the shaft sealing portion for feeding the fluid leaked due to the expansion or contraction, or the deformation, of the shaft sealing body.

The invention relates to a device and method for detecting an environmental parameter in a lithium ion battery explosion process. The device comprises a sealed observation device provided with an oxygen-free environment therein and an observation window; a clamping device for fixing a lithium ion battery, disposed in the sealed observation device and detachably connected with the sealed observation device; an electric signal input device disposed outside the sealed observation device and connected with the positive and negative poles of the lithium ion battery via wires; a data acquisition device disposed in the sealed observation device and fixedly connected with the sealed observation device; a data output device disposed outside the sealed observation device and connected with the data acquisition device via a wire. The device and method provide a safe detection environment for the explosion tests of the lithium ion battery, separate testing equipment from testing environment, and guarantee accurate environmental parameter acquisition in the lithium ion battery explosion process.

The invention provides an atmospheric microorganism laser detection alarm system comprising a laser output device, a collection device, a detection device, a gathering device and a processing device, wherein the laser output device is used for generating 355nm pulse laser beams to induce NAD(P)H and riboflavin in microorganism to separately generate fluorescence signals; the collection device is used for receiving and transmitting the fluorescence signals; the detection device is used for converting the fluorescence signals into electrical signals; the gathering device is used for gathering the electrical signals; and the processing device is used for processing and analyzing the electrical signals. According to the atmospheric microorganism laser detection alarm system based on 355nm laser provided by the invention, air microorganism aerosol within a range of 150m in the morning and at night in an unknown area can be detected and alarmed by reasonably selecting component technical parameters and types; the system is light in weight and convenient to move and arrange, has the advantages of being real-time, stable, reliable and high in sensitivity, and can be applied to the fields of public security, epidemic prevention and environment monitoring, with wide market prospects.

To provide a thermal electromagnetic wave detection element, a method for producing a thermal electromagnetic wave detection element, a thermal electromagnetic wave detection device, and an electrical apparatus, which are highly reliable and make it possible to prevent damage or deformation in the vicinity of the corner parts of a void, a thermal electromagnetic wave detection element includes: a semiconductor substrate; a support member provided on the semiconductor substrate; a detection unit that is provided on the support member and is able to extract from a pair of electrodes an electrical signal corresponding to a received amount of electromagnetic waves; and a pair of electrically conductive vias that perforate through the semiconductor substrate and are electrically connected to the pair of electrodes, a void that opens on the support member side being provided between the pair of vias of the semiconductor substrate.

The invention discloses a device for detecting the assimilation temperature of iron ore powder, and an assembling method and a detection method thereof, and belongs to the field of iron ore powder sintering characteristic detection. A calcium oxide tablet is pressed, and is provided with a first electrode and a second electrode; the calcium oxide tablet is arranged in a heating unit, the first electrode and the second electrode are electrically connected to form an electrical signal detection part, the heating unit is provided with a temperature detection part, and the temperature detection part and the electrical signal detection part form a detection unit; and a gas nozzle is arranged in the heating unit, and a gas supply bottle is connected with the gas nozzle in the heating unit through a gas supply pipeline to assemble the device for detecting the assimilation temperature of the iron ore powder. A gas supply unit blows a gas into a detection area to detect the assimilation temperature of the iron ore powder in a stable atmosphere, and the assimilation temperature of the iron ore powder is detected through the change of an electric signal in the heating process to simulate theinfluences of different reaction atmospheres on the assimilation temperature.

The invention discloses a long-stroke high-precision piezoelectric displacement platform and a driving method thereof. The technical problems that a current piezoelectric stick-slip displacement platform is limited in stroke, unstable in motion and weak in bearing capacity are solved. The micro-displacement platform comprises a fixing base, a driving stator, a bearing sliding block, a top cover, aguide rail, a thread pair, stator mounting screws, top cover mounting screws and guide rail mounting screws. The driving stator extends slowly to drive a flexible hinge to deform through a stacked type piezoelectric ceramic, and continuous feeding of the bearing sliding block is realized by introducing sawtooth wave electric signals to the stacked type piezoelectric ceramic. The platform has thecharacteristics of being simple in structure, high in stability, large in stroke and high in load capacity, and has a good application prospect in the micro-nano driving and positioning fields such asoptical precision instruments and semiconductor processing.

The invention discloses a table tennis table, and aims to realize judgment of drop point positioning of the table tennis table. The table tennis table comprises a table body, a signal comparison device, an alarm device, a first triboelectric touch sensor which is arranged close to the upper edge of the side surface of the table body, and a second triboelectric touch sensor which is arranged closeto the lower edge of the side surface of the table body, wherein the first triboelectric touch sensor, the second triboelectric touch sensor and the alarm device are connected with the signal comparison device; and the signal comparison device is used for controlling the alarm device to send out a corresponding alarm signal according to the comparison result of the peak value of the electric signal acquired by the first triboelectric touch sensor and the peak value of the electric signal acquired by the second triboelectric touch sensor.

The invention discloses an anthropometric dummy for the performance test of a wearing type physiological signal detection device. The anthropometric dummy comprises a human structure model, a signal transmission device, a test signal generating device and an interaction and control device, wherein the signal transmission device comprises a surface structure layer, an impedance adjusting circuit and a metal electrode; the surface structure layer wraps the surface of the human structure model; the metal electrode is closely clung to the surface structure layer; the surface structure layer has conductive capacity; a signal output end of the test signal generating device is connected with a signal input end of the signal transmission device; the test signal generating device comprises a waveform generator and a power amplifier; a signal output end of the interaction device is connected with a signal input end of the test signal generating device; a man-machine interface for interaction is arranged. A human scale model is served as a carrier and the generation of various physiological electric signals on a human body surface is simulated, so that the anthropometric dummy can be used as a test carrier for a wearing type bio-electricity signal collecting device, the structure is simple and the operation is convenient.

A broadband microstrip antenna, comprising an insulating substrate, a grounding sheet and a radiation sheet, the insulating substrate has a first surface and a second surface opposite to the first surface, the grounding sheet is made of conductive material And formed on the first surface, the radiation plate is made of conductive material and formed on the second surface, and includes a feed-in extending inward from the edge of the second surface and crossing the ground plate and supplying signal input arm, a radiation body extending from the feeding arm away from the ground plate, and a notch extending from a side of the radiation body toward a first direction, and the notch makes the side of the radiation body present a meandering shape In turn, the current distribution on the surface of the radiating body is changed, resulting in a high operating bandwidth.

The invention discloses a biological recognition method and system for a weight detection device. The biological recognition method and system are used for solving the problem that in the prior art, adata storage error possibly occurs when the weight detection device is used by multiple users. The method comprises the steps that S1, electrocardiogram IDs of multiple users are collected and storedin a database; and S2, whether the electrocardiogram ID of the current user is matched with the preset electrocardiogram IDs in the database is detected, and if yes, detection data of the current user is uploaded to a database corresponding to the current user. According to the biological recognition method and system, different users are distinguished by the adoption of an electrocardiogram ID matching biological recognition technology, the current user can be accurately recognized, biological electric signals of the users are collected more accurately, and the problem of data storage errorsis avoided.