133 results about "Patch electrode" patented technology

The invention discloses a preparation method and application of a novel ionized water gel-based moisture power generation material. The material is composed of a carbon coating fabric, ionized water gel and a patch metal electrode. Wherein the nano carbon black is used as a conductive filler of the hydrogel and can enhance electric energy output by promoting functional group dissociation and ion migration. The high-hygroscopicity sea salt in the hydrogel can enhance the capture and transmission capability of the material on water molecules in the atmosphere, and ensures the continuous power output capability of the moisture power generation material. Due to the design of the zigzag dry-wet interface, the wettability between the hydrogel and the carbon black coating can be improved, the moisture absorption rate is increased, the contact area is increased, and therefore the power generation power is improved. The metal patch electrode can ensure the stability of long-term power generation of the material, and can be customized to reduce the contact resistance. A moisture power generation device prepared from the material can be used as a passive energy supply device and is suitable for the fields of self-powered sensors, wearable electronic equipment and the like.

The invention provides an electrochemical luminescence MeHA microneedle patch and a preparation method and application thereof.The preparation method comprises the steps that hyaluronic acid is modified into methacrylated hyaluronic acid, MeHA solid powder is obtained after purification, and the MeHA solid powder is mixed with a photoinitiator to form a precursor solution; and pouring into a microneedle mold, centrifuging, drying and carrying out UV crosslinking to obtain the MeHA microneedle patch loaded with ABEI and glucose oxidase. Through the MeHA microneedle patch-SPE electrode integrated design, the integrated operation of skin interstitial fluid in-situ extraction-enzymatic reaction-electrochemical luminescence detection is realized, sample transfer is not needed, the interference of intermediate links is greatly reduced, the detection accuracy and efficiency are remarkably improved, and the device and the method are particularly suitable for clinical real-time monitoring scenes.

The utility model relates to a signal detection device which comprises a host structure and a patch electrode connected with the host structure in a non-releasable mode, and the patch electrode is configured to be attached to an object to be detected to collect electric signals. The host structure comprises a shell, a battery and a signal processing module, wherein the battery and the signal processing module are located in the shell, and the signal processing module is used for processing collected electric signals to obtain detection data. The full-throwing type signal detection device provided by the embodiment of the utility model has the advantages of being simple, convenient and reliable to start up and the like.

A reflecting device includes a plurality of first patch electrodes, a plurality of second patch electrodes having a size different from a size of the first patch electrodes, a ground electrode opposing the plurality of first patch electrodes and the plurality of second patch electrodes and separated from the plurality of first patch electrodes and the plurality of second patch electrodes, and a liquid crystal layer between the plurality of first patch electrodes and the plurality of second patch electrodes and the ground electrode, wherein the plurality of first patch electrodes and the plurality of second patch electrodes are arranged alternately in a first direction or a second direction intersecting the first direction, and each first patch electrode is adjacent to each second patch electrode in the first direction or the second direction.

A phase shifter, a phase shifter array, an antenna array and an electronic device are provided and belong to the field of communication technology. The phase shifter includes: first and second dielectric substrates opposite to each other, a first transmission line and a second transmission line on a side of the first dielectric substrate close to the second dielectric substrate, patch electrodes on a side of the second dielectric substrate close to the first dielectric substrate, and a tunable dielectric layer between a layer where the transmission lines are located and a layer where the patch electrodes are located; wherein orthographic projections of two ends of each patch electrode on the first dielectric substrate overlap with orthographic projections of the first and second transmission lines on the first dielectric substrate, respectively; and at least two of the plurality of patch electrodes are connected to different first bias voltage lines.

A low-profile composite antenna device includes a base plate, a first antenna, and a second antenna. The first antenna has a patch electrode capable of receiving signals in a first frequency band. The second antenna, which is capable of receiving signals in a second frequency band, has a top load part as a capacitive element. The top load part is disposed near the patch electrode of the first antenna such that it does not cover the patch electrode in a top view and that the patch electrode is located on the longitudinal extension axis of the top load part. The second antenna has at least one stub that electrically divides the longitudinal direction of the top load part into front and rear sections so as to function as a waveguide for the first antenna.

The invention provides a radio stimulation acupuncture device. The radio stimulation acupuncture device comprises a main body; the acupuncture needle clamp is movably arranged on the main body and is used for clamping an acupuncture needle to realize electric connection; the conductive patch is arranged on the main body and is used for being electrically contacted with a target object; one end of the pulse driving module is electrically connected to the acupuncture needle clamp and used for applying electric pulses to the acupuncture needle through the clamp, and the other end of the pulse driving module is electrically connected with the conductive patch and matched with the body tissue of the target object to conduct the electric pulses to form a loop; the power supply module is electrically connected with the pulse driving module so as to provide electric energy for the pulse driving module; according to the wireless stimulation acupuncture and moxibustion device, no cable is arranged outside the device, the whole device is combined into a whole, the device can be conveniently stored and arranged, and the situation that the use convenience is affected due to mutual winding of wires is avoided. The electrical stimulation acupuncture and moxibustion device is combined with traditional acupuncture and moxibustion, acupuncture points and meridians and collaterals can be deeply stimulated through the acupuncture and moxibustion needle, and the defect that electric pulses generated by existing patch electrodes cannot be deeply stimulated is overcome.

The invention discloses an application method and system of a myoelectricity intelligent early warning watch for fatigue driving, and the method comprises the steps: monitoring the posture of a user through an inertia measurement module, starting a working mode when the user is in a sitting posture state, and obtaining the rotation angle of the wrist of the user; the signal acquisition module acquires an electromyographic signal by using a patch electrode; the camera module obtains the arm length of the user through calculation; the signal processing module filters the electromyographic signals; and the main control module performs feature extraction on the electromyographic signals and calculates the motion angular velocity of the elbow joint of the user. According to the method, the user state is accurately judged based on the time sequence convolutional network and the angular velocity of the elbow joint movement of the user; when the user is tired, the watch gives an early warning to remind the user, and dangerous events are avoided.

The invention discloses a flexible microneedle electrode for biopotential monitoring, a method for constructing the flexible microneedle electrode and a patch electrode comprising the flexible microneedle electrode. The method comprises the following steps: providing a negative mold with a plurality of microneedle structures; depositing at least one layer of conductive material on the negative mold; and stripping the at least one layer of conductive material from the negative mold to obtain the flexible microneedle electrode comprising a plurality of microneedle structures.

An intelligent reflecting surface includes a plurality of first patch electrodes, a plurality of second patch electrodes including a size different from the plurality of first patch electrodes, a ground electrode facing and spaced apart from the plurality of first patch electrodes and the plurality of second patch electrodes, and a liquid crystal layer provided between the plurality of first patch electrodes, the plurality of second patch electrodes, and the ground electrode. In a plan view, the plurality of first patch electrodes and the plurality of second patch electrodes are arranged in a first a second directions. In the case where a distance between centers of two adjacent first patch electrodes is a distance W1, the second patch electrode is arranged at a position spaced apart from the first patch electrode by a distance W1 / 2 parallel to the first direction and a distance W1 / 2 parallel to the second direction.

The invention relates to the field of medical instruments, and discloses a knee joint nerve treatment auxiliary positioning surface-mounted electrode system and method, the system comprises a signal acquisition module, a nerve positioning module, an electrode adjustment module, an energy control module, a treatment feedback module and a treatment evaluation module, and the invention also discloses a knee joint nerve treatment auxiliary positioning surface-mounted electrode method. Comprising the following steps: initializing a system, starting a knee joint nerve treatment system, installing a surface-mounted electrode, and arranging an energy control module, a signal acquisition module, a nerve positioning module, a treatment feedback module and an electrode adjusting module to prepare to start treatment. By introducing real-time physiological feedback, dynamic adjustment of electrode positions and radio frequency energy and the treatment evaluation module, more accurate, safer and more personalized knee joint treatment is realized, the stability of the treatment effect and the curative effect are improved, and side effects are reduced.

The subject matter of the invention is impedance-based navigation of sheaths. A sheath having a conductive region that provides a low impedance path through a sheath wall is shown. When the impedance-based tracking electrode is adjacent the conductive region, the conductive region is configured to conduct electrical current between the impedance-based tracking electrode of the endoluminal catheter and the body patch electrode of the impedance-based tracking system. The impedance-based tracking system is configured to determine a location of the conductive region based on a ratio of currents at the body patch electrodes, and thereby determine a location of the distal end of the sheath. The conductive region may include a flushing hole such that brine acts as an electrical conduit for the conductive region. In addition to or alternatively, the conductive region may include a conductive material configured to act as an electrical conduit through the sheath wall.

This method for inspecting a radio wave reflection device is a method for inspecting a radio wave reflection device having a plurality of reflection elements arranged in a row direction and a column direction. The plurality of reflection elements each comprise a patch electrode, a common electrode overlapping the back surface side of the patch electrode, and a liquid crystal layer between a plurality of the patch electrodes and the common electrode, wherein: the radio wave reflection device constitutes a radio wave reflection plate that is irradiated with first light from a light source located above the radio wave reflection device via a first polarizing plate; an imaging device located above the ratio wave reflection device captures an image of the radio wave reflection plate via a second polarizing plate having a transmission axis orthogonal to the transmission axis of the first polarizing plate; and it is determined whether each reflection element is good or not on the basis of the presence or absence, within the image, of second light obtained by the first light being reflected by the radio wave reflection plate.

The radio wave reflecting device includes: a plurality of first patch electrodes; a plurality of second patch electrodes having a different size from the plurality of first patch electrodes; a ground electrode that faces the plurality of first patch electrodes and the plurality of second patch electrodes and is provided separately from the plurality of first patch electrodes and the plurality of second patch electrodes; and a liquid crystal layer provided between the plurality of first patch electrodes and the plurality of second patch electrodes and the ground electrode, the plurality of first patch electrodes and the plurality of second patch electrodes being alternately arranged in a first direction or a second direction intersecting the first direction, and each of the first patch electrodes and each of the second patch electrodes being adjacent to each other in the first direction or the second direction.

The present invention discloses an itaconyl hydrazide-induced Janus structure polymer, which is a polymer prepared by gradient polymerization under ultraviolet light using itaconyl hydrazide and vinyl monomer as main raw materials. The present invention also discloses an itaconyl hydrazide-induced Janus structure polymer epidermal patch electrode, which is an epidermal patch electrode obtained by connecting the polymer to the electrode and integrating it into a signal processing module. The itaconyl hydrazide-induced Janus structure of the present invention and the hydrogen bond network formed thereby give the polymer excellent stretchability, flexibility, and homogeneous conformal properties, which can ensure the high signal-to-noise ratio, high stability and reliability of the polymer epidermal patch electrode for electrocardiogram signal monitoring. The polymer epidermal patch electrode of the present invention can be used for electrocardiogram signal monitoring in different environments, different motion states, and when worn for a long time, and is particularly applicable to the application of epidermal patch electrodes in wearable health monitoring.

An intelligent reflecting surface in one embodiment includes a plurality of patch electrodes and a common electrode opposite to the plurality of patch electrodes and a liquid crystal layer between the plurality of patch electrodes and the common electrode, wherein the plurality of patch electrodes has a first patch electrode and a second patch electrode adjacent to the first patch electrode, a first distance between the first patch electrode and the common electrode is shorter than a second distance between the second patch electrode and the common electrode, the first distance is a distance from a first surface of the first patch electrode to a surface opposite the first patch electrode of the common electrode, and the second distance is a distance from a first surface of the second patch electrode to a surface opposite the second patch electrode of the common electrode.

The present invention provides an inspection device for an electric wave reflection device, the inspection device including: an antenna that transmits / receives an electric wave to / from an electric wave reflection device including a plurality of reflection elements each including a patch electrode and a common electrode; a stage on which the electric wave reflection device is placed and which is disposed so as to oppose the antenna; and a control unit which is disposed between the antenna and the stage, has an opening portion through which electric wave passes, and controls an electric wave radiation area in the electric wave reflection device by means of the opening portion.

The utility model provides an easy-to-hang wire sheet type terminal and a magnetic device. The sheet type terminal easy to hang the wire comprises a side electrode and a patch electrode which are vertically connected, the side electrode comprises a main body part and a welding part, the main body part is vertically connected with the patch electrode, the welding part is connected to one end, far away from the patch electrode, of the main body part, and the end part of the welding part is provided with a concave area. Acute angles are formed between the extending direction of the concave area and the length direction of the welding part and between the extending direction of the concave area and the width direction of the welding part. Therefore, when the terminal is applied to the magnetic device, a lead of a winding can extend into the sunken area after passing through the wire passing groove of the magnet and is welded with the welding part, and the lead is restrained by the sunken area and is prevented from sliding out of the terminal area, so that poor wire hanging can be eliminated, and the service life of the terminal is prolonged. Therefore, the risks of lead breakage, poor welding and the like caused by poor wire hanging are reduced.

Antenna, information processing device and composite antenna device. The present invention provides an antenna having an excellent axial ratio and corresponding to multiple frequency bands. The antenna of the present invention comprises: a dielectric having a patch electrode; and a circuit substrate having a feeding portion. Four electrode-side feeding terminals (p11 to p14) are formed on the patch electrode. Four substrate-side feeding terminals conductively connected to the four electrode-side feeding terminals (p11 to p14) are formed in the feeding circuit. The electrode-side feeding terminals (p11 to p14) are supplied with received signals (power) of equal amplitude and each phase shifted by 90 degrees.

The utility model provides a flexible patch electrode for monitoring recurrent laryngeal nerves, which comprises a flexible basement membrane, a fixing sheet, release paper and a plug, the front surface of the flexible basement membrane is coated with conductive paste, the fixing sheet is attached to the front surface of the flexible basement membrane, and the release paper is attached to the back surface of the flexible basement membrane; a circuit in the plug is electrically connected with the conductive paste, and the plug is connected with external monitoring equipment; the flexible substrate film is divided into a signal acquisition area, a connection area and a joint area; the device is further provided with an insulating layer for preventing short circuit and a carbon paste layer for preventing oxidation and corrosion of the conductive paste, the insulating layer and the carbon paste layer both cover the upper layer of the conductive paste, the insulating layer is arranged in the connecting area, and the carbon paste layer is arranged in the collecting area and the connector area. And a reinforcing sheet convenient for mounting and connecting with the plug 7 is arranged on the back surface of the flexible substrate film in the joint area. According to the utility model, the problems of infirm adhesion, edge warping and the like caused by a harder base material are avoided, a patient is prevented from being scratched, and undesirable phenomena such as wrinkles, bubbles and the like caused by a soft base material can be reduced.

According to one embodiment, an intelligent reflecting surface includes a first substrate, a second substrate, a sealing material, a liquid crystal layer, and a radar absorbent material. The first substrate includes a first basement located in a first area and a second area, and a plurality of patch electrodes. The second substrate includes a second basement and a common electrode. The radar absorbent material is located in the second area.

The utility model belongs to the technical field of medical equipment, and particularly relates to a portable esophageal and tracheal fistula prevention device. Comprising a main cannula, a cannula and an air bag which are arranged on the main cannula and communicated with each other, and further comprises a shaping mechanism used for stabilizing the shape of the main cannula; a mounting plate is arranged at the end, away from the sleeve, of the air guide pipe, and an air pump is arranged on the mounting plate; an electric signal sensor is arranged on the electrode patch; and the controller is electrically connected with the air pump and the electric signal sensor. By arranging the micro controller, the electric signal sensor and the micro air pump, when a patient inhales, muscle activity and electromyographic signals are enhanced, the electric signal sensor monitors electromyographic activity and transmits signals to the micro controller, the micro controller controls the micro air pump to carry out air exhaust activity, and otherwise, when the patient exhales, the micro air pump does air exhaust activity. And the micro controller enables the micro air pump to perform air inflation, so that the condition of esophageal and tracheal fistula is effectively avoided.

This liquid crystal metasurface reflection plate has: a patch electrode arranged in a matrix shape; a drive electrode overlapping the patch electrode; and a liquid crystal layer between the patch electrode and the drive electrode. The drive electrode is divided into a plurality of sub-drive electrodes, and is configured to make it possible to individually drive the plurality of sub-drive electrodes to locally control an alignment state of the liquid crystal layer in the plane of the patch electrode.

An intelligent reflecting surface includes a first substrate including a patch electrode, a strip wiring, and a transistor, a second substrate including a counter electrode opposed to the patch electrode, and a liquid crystal layer between the first substrate and the second substrate. A first end of the strip wiring is connected at an intermediate position on one side of the patch electrode, and a second end of the strip wiring is electrically connected to the transistor.

The radio wave reflecting device is provided with a patch electrode, a common electrode opposite to and isolated from the patch electrode, and a liquid crystal layer between the patch electrode and the common electrode. The patch electrode has, in plan view, a cross shape including a first rectangular pattern extending in a first direction and a second rectangular pattern extending in a second direction intersecting the first direction and intersecting the first rectangular pattern. The common electrode has, in plan view, a first band-shaped pattern extending in the first direction, and a second band-shaped pattern extending in the second direction and intersecting the first band-shaped pattern.

The present invention belongs to the field of triboelectric power generation technology and discloses an electromagnetic friction composite suspension energy recovery device, comprising a triboelectric nanogenerator and an electromagnetic generator. The triboelectric nanogenerator comprises a housing, a sliding rack, and patch electrodes. The sliding rack is slidably connected to the housing, and the patch electrodes are attached to the housing. Plastic sheets are spaced apart on the sidewalls of the sliding rack. The patch electrodes comprise a conductive portion and a copper sheet connected to the conductive portion, and the plastic sheets and copper sheets generate triboelectric power. A speed-increasing gear train is disposed within the housing, and an electromagnetic generator is disposed on the outer wall of the housing. The speed-increasing gear train is meshed with the rack, and the axle of the terminal gear of the speed-increasing gear train is connected to the input shaft of the electromagnetic generator. This electromagnetic friction composite suspension energy recovery device can collect energy from the suspension system and store it for use by other electrical components of the vehicle, thereby saving energy and improving the energy utilization efficiency of the suspension system while being environmentally friendly.

This radio wave reflecting device includes a plurality of radio wave reflecting elements arranged in a matrix having a plurality of rows and a plurality of columns. Each of the plurality of radio wave reflecting elements has a patch electrode, a first alignment film on the patch electrode, a liquid crystal layer on the first alignment film, a second alignment film on the liquid crystal layer, and a common electrode positioned on the second alignment film. The patch electrode has a plurality of first slits, and the plurality of first slits are parallel to each other, have the same width, and extend in one of the row direction and the column direction. The common electrode has a plurality of second slits, and the plurality of second slits are parallel to the plurality of first slits and have the same width. In each of the plurality of radio wave reflecting elements, the distance between the adjacent first slits is constant, and is the same as the distance between the adjacent second slits.

The invention discloses a scoliosis measuring method and device, and the method comprises the steps: S1, carrying out the collection of an electromyographic signal set of a user through a patch electrode disposed on the spine of the user; s2, acquiring a discrete point position information set by using a position measurement module arranged on the spine of the user; the discrete point position information set comprises a position information sequence measured by each position measurement module; and S3, performing scoliosis measurement processing on the electromyographic signal set and the discrete point position information set to obtain a scoliosis measurement information set of the user.

A radio wave reflection system includes an intelligent reflecting surface including a plurality of patch electrodes, an electrode layer, and a liquid crystal layer, and a driver IC electrically connected to the plurality of patch electrodes and including an output signal generating unit and a timing pattern signal generating unit electrically connected to the output signal generating unit. The timing pattern signal generating unit generates a plurality of pattern signals including voltage values corresponding to each of a plurality of predetermined phase values using an address signal indicating a position where the intelligent reflecting surface is to be placed, a power supply voltage, and a pattern selection signal selecting a plurality of parameters including a plurality of predetermined phase values. The output signal generating unit generates a plurality of output signals based on each of the plurality of pattern signals using the plurality of pattern signals.

The utility model provides a surface-mounted terminal and a magnetic device. The surface-mounted terminal comprises a main body part and a surface-mounted part, the surface-mounted part is equivalent to a surface-mounted electrode of a traditional magnetic device, the main body part is equivalent to a side surface electrode of the traditional magnetic device, and the thickness of the surface-mounted electrode and the thickness of the part, connected with the surface-mounted electrode, of the side surface electrode are both smaller than the maximum thickness of the side surface electrode. Therefore, the fillet at the joint of the patch electrode and the side electrode has a smaller outer fillet radius, SMT soldering tin for electrically connecting the patch electrode and the circuit board can be exposed out of the side electrode in the vertical direction, and vertical AOI detection and judgment are facilitated.