31results about How to "Good signal delivery" patented technology

The invention relates to a pole plate electrode system for a logging instrument. The pole plate electrode system for the logging instrument comprises an insulating plate (2), a pair of emission electrode plates (3) and electric buttons (7), wherein a pair of grooves is formed in the two ends of the insulating plate (2), the emission electrode plates (3) are transversely embedded into the grooves of the insulating plate (2), the electric buttons (7) are embedded into the middle of the insulating plate (2), and the emission electrode plates (3) are symmetrically arranged relative to the electric buttons (7).

The invention discloses a preparation method of a tissue engineering cell sheet with osteogenic differentiation and vasculogenesis. The preparation method comprises the steps of firstly, separating BMSCs (bone marrow mesenchymal stem cells), carrying out passage multiplication culture of the BMSCs, and culturing mesenchymal stem cell sheet to obtain the tissue engineering cell sheet with osteogenic differentiation and vasculogenesis. The cell sheet technology is adopted to separate and culture BMSCs, the obtained BMSCs are of a complete sheet structure containing extracellular matrix and having osteogenic differentiation and vasculogenesis potency. As a tissue formed by pure cells is transplanted into a body, the use of a scaffold and other carriers and the untoward effects are avoided; and besides, the BMSCs cell sheet retains important cell surface protein such as an ion channel, ligandin and the like, intercellular signal transmission can be performed well, the functions are kept to be coordinated, and the cell utilization rate and the cell transferring activity are greatly improved.

The invention provides a preparation method of a conductive nano-silver wire patterned film. The preparation method comprises the following steps: preparing a template; uncovering cured PDMS from thetemplate for later use; adhering the face, with the structure, of a micro-fluidic chip to a culture dish or a cover slip; pouring nano-silver wires into the micro-fluidic chip, and carrying out drying; uncovering the chip; adding chitosan solution into the culture dish till the chitosan solution immerses the nano-silver wires, airing the culture dish, thus obtaining the fallen chitosan film with the patterned nano-silver wires, and placing the fallen chitosan film with the patterned nano-silver wires into NaOH solution for crosslinking, so that the stability of the chitosan film is increased.The invention further relates to applications of the conductive nano-silver wire patterned film. The prepared film is beneficial for the growth, proliferation and differentiation of nerve cells, myocardial cells and the like with the electrical signal conduction function, and the signal transmission among the cells. The prepared film has the operability and the predictably significant economic value and social value.

The invention provides a socket for electrical connecting a chip with a circuit board. The chip contains at least a conductive port, and the circuit board contains at least a contact point corresponding to the conductive port. The socket contains a substrate and at least a conductive pillar. The substrate contains a hole penetrating the substrate. The conductive pillar is configured to pass through the hole. When the socket is disposed between the chip and the circuit board, a first end of the pillar contacts with the conductive port, and a second end of the same contacts to the contact point.

The invention discloses a self-bearing anti-compression large power coaxial composite cable, which comprises an internal conductor center bearing core, a first buffer layer, a tubular internal conductor, an insulating layer, an outer conductor, a second buffer layer and an oversheath from inside to outside; the outer conductor comprises multiple outer conductor conductive wires that are winded at intervals and then combined with at least one control insulation core; a metal anti-compression pipe is installed between the second buffer layer and the oversheath; a single conductor wire protruding ridge is installed on the oversheath; the height of the single conductor wire protruding ridge is not less than 0.5mm and the width not less than 1mm. The integral body of the cable is fully symmetrical; copper wires and galvanizing steel wires have shielding functions; the inner conductor and the outer conductor are in concentric position; the electromagnetic energy is limited in a medium between the inner conductor and the outer conductor for propagation, therefore, the attenuation is small and the shielding property is high.

The invention discloses a microfluidic channel carrier structure for large-scale culture of stem cells and immune cells. The microfluidic channel carrier structure includes a plurality of microspheres(1). The diameter of the microspheres (1) is 0.5 mm to 2.7 mm. The microspheres (1) are stacked in a fixed bed bioreactor (2) to form a fixed bed (3), and the fixed bed (3) forms a microfluidic channel carrier structure. The maximum linear space dimension L between adjacent microspheres (1) in the microfluidic channel carrier structure is 0.183 mm to 0.988 mm. The microfluidic channel carrier structure of the invention is formed by stacking a plurality of microspheres. The microfluidic channel in the microfluidic channel carrier structure can provide cells with a micro-environment closer to that in human tissues, facilitate the interaction and signal transmission between cells and between cells and extracellular matrix, facilitate the expansion of cells, and can expand the number of cellscultured simultaneously to 100-200 billion.

The invention discloses an obstetrics and gynecology collecting bin with a bag sealing mechanism. The obstetrics and gynecology collecting bin comprises a bin body, a power device, a peculiar smell removing device, a heat sealing device and an air pressure mechanism, wherein, the bin body comprises a barrel body, a bin bottom, a pressing ring cover and a top cover; the power device comprises a base, a motor frame, a power motor, a power shaft, a spiral sleeve and a guide mechanism; the peculiar smell removing device comprises a box shell, an exhaust fan and a treatment box; the heat sealing device comprises a heat sealing mechanism and a driving mechanism; and the air pressure mechanism includes a pressure fan and an air supply flow channel. According to the obstetrics and gynecology collecting bin with the bag sealing mechanism, by arranging the peculiar smell removing device, peculiar smells can be conveniently treated and then discharged out of the bin; by arranging the power device, so that the middle parts of garbage bags are conveniently twisted together; by arranging the pressure fan, air in the garbage bags can be conveniently pressed out by the power device when the garbage bags are rotated, and the garbage bags are prevented from being broken by residual air in the garbage bags after the garbage bags are rotated; and by arranging the heat sealing device, the twisted parts of the middle parts of the garbage bags can be conveniently hot-melted together, so that vomit is sealed in the garbage bags.

The invention discloses an intelligent vomit collecting barrel for gynaecology and obstetrics. The intelligent vomit collecting barrel comprises a barrel body, a power device, a peculiar smell removing device and a control system, wherein the barrel body comprises a tube body, a barrel bottom, a pressing ring cover and a top cover; the power device comprises a base, a motor frame, a power motor, apower shaft, a spiral sleeve and a guide mechanism; the peculiar smell removing device comprises a box shell, an exhaust fan and a treatment box; and the control system comprises a control box, a PLC, a storage battery and a control switch. Through the arrangement of the peculiar smell removing device, peculiar smells in the collecting barrel can be conveniently discharged into the treatment boxthrough the exhaust fan to be treated in the using process and then discharged out of the barrel, and vomit smell is prevented from polluting indoor air; through the arrangement of the power device, the middles of garbage bags can be twisted together conveniently when the garbage bags are collected, and the situation that peculiar smells in the bags are emitted, and the environment is affected isavoided; and through the arrangement of the control system, the top cover can be automatically opened and peculiar smell air can be automatically pumped out.

The invention discloses an intelligent vomit collecting bin with a bag sealing mechanism for the obstetrics and gynecology. The intelligent vomit collecting bin comprises a bin body, a power device, apeculiar smell removing device, a heat sealing device and a control system, wherein, the bin body comprises a barrel body, a bin bottom, a pressing ring cover and a top cover; the power device comprises a base, a motor frame, a power motor, a power shaft, a spiral sleeve and a guide mechanism; the peculiar smell removing device comprises a box shell, an exhaust fan and a treatment box; the heat sealing device comprises a heat sealing mechanism and a driving mechanism; and the control system comprises a PLC, a storage battery and a control switch. According to the intelligent vomit collectingbin with the bag sealing mechanism for the obstetrics and gynecology, by arranging the peculiar smell removing device, peculiar smells in the collecting bin can be conveniently discharged into the treatment box to be treated and then discharged out of the bin, and vomit smell is prevented from polluting indoor air; by arranging the power device, the middles of the garbage bags can be twisted together conveniently, and the situation that the peculiar smells in the bags diffuse and influence the environment is avoided; and by arranging the heat sealing device, the twisted parts of the middle parts of the garbage bags can be conveniently hot-melted together, and vomit is sealed in the garbage bags.

The invention provides a rectangular high-speed differential signal connector, and solves the problems that an existing high-speed differential signal connector is complex in structure for realizing the anti-rotation function of a contact body, needs a plurality of matching parts, and cannot meet the requirements of miniaturization, small occupied space, easiness in disassembly and assembly, low cost, high environmental resistance and light weight. The high-speed differential signal connector comprises a plug and a socket which are in butt joint with each other, wherein the plug comprises a plug shell, a plurality of mounting hole differential contact bodies, a plug accessory pressing plate and a first positioning assembly, and the socket comprises a socket shell, a plurality of pin mounting differential contact bodies, a socket accessory pressing plate and a second positioning assembly. The high-speed differential signal transmission device has the function of preventing the contact body from rotating, has the advantages of few parts used in the structure, cost saving, short production period, small size, light weight, convenience in maintenance and use, high environment resistance, simple and practical product positioning mode and capability of realizing transmission of high-speed differential signals.