54results about How to "Simple and thin structure" patented technology

A displacement sensor having a rectangular shaped elastic member. A piezoelectric element is attached to a first main face of the elastic member. The piezoelectric element has a rectangular-shaped piezoelectric sheet and electrodes on both main faces of the piezoelectric sheet. The piezoelectric sheet is made of poly-L-lactic acid and is at least uniaxially-stretched. The piezoelectric element is attached so that the uniaxial-stretching direction of the piezoelectric sheet is 45° relative to a long-side direction of the elastic member. When the elastic member is bent along the long-side direction, the piezoelectric sheet is stretched along the long-side direction, and the piezoelectric element generates voltage of predetermined level.

The invention provides a 3D display device and a control method thereof and belongs to the 3D display technical field. The 3D display device comprises a display panel used for displaying images and a grating structure, wherein the display panel and the grating structure are matched with each other so as to form a 3D display effect, and the grating structure includes a plurality of gratings which can be switched between a light transmitting state and a light-proof state; and the 3D display device further comprises an eye tracking unit used for acquiring the positions of the eyes of an observer, and a control unit which is connected with the eye tracking unit and is used for controlling and making the gratings switched between the light transmitting state and the light-proof state according to the positions of the eyes of the observer so as to enable the left eye of the observer to see a first view on the display panel through the grating structure and the right eye of the observer to see a second view on the display panel through the grating structure. The 3D display device of the invention has the advantages of concise structure and light weight as well as no dead area and smaller crosstalk in 3D display, and can assist in improving the viewing effect and comfort degree of the 3D display.

With a waterproof structure for the space between a first case and a diaphragm doubling as a display panel provided facing the first case, a first resilient member is integrally formed at a surface of the diaphragm facing the first case, and the first resilient member is press-fitted into a groove formed in a surface of the first case facing the diaphragm side.

Provided is a small-sized electrophotographic apparatus having a double face printing function, which can print at a high speed even during double face printing. There are provided a recording medium conveying path 5 composed of a vertical conveying path 5a for upward conveying a sheet fed from a sheet cassette 2, outside of a developing means 60, a curved conveying path 5b and horizontal conveying path 5c for conveying the recording medium to a transfer means 50, a fusing means 51 located in the horizontal conveying path 5c, downstream of the transfer means 50, for fusing a toner image on the recording medium 2, a sheet discharge tray 53, a bypass conveying path for guiding a sheet to be subjected to double face printing, having one surface for which printing has been completed, a first branch means 58 for guiding the sheet to be subjected to double face printing from a conveying path for the sheet discharge tray 53 into the bypass conveying path 56, a reversing conveying path 54 for reversing the sheet conveyed in the bypass conveying path 54 during double face printing, a second branch means 59 for guiding the sheet which has been reversed in the reversing conveying path 54, into the horizontal conveying path 5c, and a return conveying path 57 for returning the sheet which has passed through the second branch means 59, into the return conveying path 57 for conveying the sheet to the horizontal conveying path.

A circuit-constituting unit forming a distribution circuit or the like in a vehicle. The circuit-constituting unit includes a plurality of bus bars for constituting a power circuit; a semiconductor switching device provided in the power circuit; and a control circuit board. The bus bars are bonded to a surface of the control circuit board such that the bus bars are arranged to be generally coplanar with each other. The semiconductor switching device is mounted on both of the corresponding bus bars and the control circuit board. An opening may be formed through the control circuit board. In this case, one of terminals of the semiconductor switching device may be connected to a surface of the control circuit board facing away from the surface to which the bus bars are bonded. The other terminals may be connected respectively to the bus bar through the opening.

The invention provides a PVT heat pump system capable of achieving day and night time-division heat, power and cold supply through solar radiation and sky cold radiation, and a photovoltaic power generation technology and a PVT heat pump technology which are relatively independent and mutually promoted in function are used simultaneously. Solar radiation energy and sky long-wave cold radiation energy are used as main energy resources of the system, and the energy is converted into electric energy, heat energy and cooling capacity through a PVT photoelectric-evaporation/condensation assembly in different modes at different times. The system integrates the various functions of power generation, heating, cooling and the like, equipment composition is simple, the equipment utilization rate is high, the energy saving effect is remarkable, the energy utilization rate is increased to the greatest extent, and the effects of achieving multiple purposes through the system and achieving day and night time-division heat, power and cold supply are achieved.

The invention relates to an electronic connecting device for a flexible printed circuit board. The electronic connecting device comprises a connecting seat, a terminal and a fastener set, wherein the connecting seat comprises a base, an upper cover and a pivot; the upper cover is arranged on the base through the pivot and properly opens an accommodating space which is defined by the base and the upper cover; the terminal is separably arranged in the accommodating space so as to be electrically connected with the connecting seat; and the fastener set is arranged on the base and the terminal respectively. When the terminal is arranged in the accommodating space, the fastener set which is respectively arranged on the base and the terminal properly fix the terminal on the base. The electronic connecting device utilizes the fastener set to fix the flexible printed circuit board on the base of the connector and has a simple and thin structure which is capable of facilitating operation and product lightening and thinning, preventing the flexible printed circuit board from falling from the electronic connecting device and protecting copper foil wires to prolong the service life of the flexible printed circuit board.

The invention discloses a fingerprint recognition device and display equipment, and relates to the technical field of display, so as to achieve the simple structure of the fingerprint recognition device, and to enable the fingerprint recognition device to be light and thin. The main technical scheme of the invention is that the fingerprint recognition device comprises a transparent substrate; a light guide layer which is disposed at one side of the transparent substrate; a plurality of recognition units which are disposed on the light guide layer, wherein each recognition unit comprises a first optical grating module, a second optical grating module, and a detection module. The first optical grating module is disposed between the light guide layer and the transparent substrate, and is usedfor enabling the fingerprint light with an incidence angle being within a preset angle range to be diffracted and coupled to the interior of the light guide layer for transmission. The second opticalgrating module is disposed at one side of the light guide layer, and the detection module is disposed at a side, backing on to the light guide layer, of the second optical grating module. The secondoptical grating module is used for extracting the fingerprint light in the light guide layer to the detection module. The detection module is used for detecting the light intensity of the fingerprintlight. The device is mainly used for fingerprint recognition.

The invention relates to a touch screen and terminal equipment provided with the touch screen. The touch screen comprises a cover plate element, a touch control module and a fingerprint identification assembly, wherein the cover plate element comprises a first surface and a second surface which are opposite to each other; the touch control module is arranged on the second surface of the cover plate element, and comprises a conducting layer; the conducting layer comprises a touch area for touch sensing, and a fingerprint identification area which is molded together with the touch area and is used for identifying a first surface fingerprint; and the fingerprint identification assembly is positioned on the second surface, is adjacent to the touch control module, and is used for identifying the fingerprint of the first surface positioned on the fingerprint identification area. According to the touch screen, the touch control area and the fingerprint identification area are machined simultaneously with the same process; touch control is performed within the range of the touch area while fingerprint identification is performed in the fingerprint identification area; and repeated machining of the touch area and the fingerprint identification area is not required. Thus, the touch screen is simple and light in structure; the production steps are simplified; and the production cost is lowered effectively.

A power distributor having: a bus bar aggregation B made out of a single plate material; semiconductor switching devices 14 mounted on the bus bar aggregation B; and a housing 22 made out of an electrical insulating material such as resin or the like and molded around the device-containing bus bar aggregation B. A method of manufacturing the power distributor is constituted by the steps of: forming the bus bar aggregation B; molding the housing 22 around the bus bar aggregation B after the semiconductor switching devices 14 are mounted on the bus bar aggregation B; and completing a power distribution circuit after cutting off suitable portions of the bus bar aggregation B after the molding.

The invention provides a vacuum filming workpiece rotation table. The vacuum filming workpiece rotation table comprises an object stage, the object stage comprises a rotation disc and a planetary gear, and the rotation disc is pivoted to the sun gear in the planetary gear through a ball. The rotating disc is directly pivoted to the planetary gear by using the ball, and the object stage has the advantages of simple structure, lightness and thinness.

The invention relates to the technical field of optical imaging and provides a lens group with a small size and high imaging quality. The lens group comprises six lenses arranged from an object side to an image side successively at intervals. The lenses have different refractive power, focal lengths, and concave-convex surfaces. A ratio of a distance value between the first lens and an imaging surface to the thickness value of the second lens is between 14 and 17. Compared with the prior art, the lens group with the small size and high imaging quality provides the lenses with different refractive power and concave-convex surfaces by arranging the six lenses successively at intervals along a direction. Thus, by arranging the six lenses, the lens group with the small size and high imaging quality realizes high-quality imaging, takes account of simple and compact structure, and has good market prospect.

The invention discloses a type of electrochromic glass, which relates to the field of electrochromic glass. The electrochromic glass comprises a first transparent substrate, a second transparent substrate and a functional stack. The functional stack comprises a first conductive layer, an electrochromic stack and a second conductive layer. The first conductive layer, the electrochromic stack and the second conductive layer are arranged on the first transparent substrate in turn, and are located between the first transparent substrate and the second transparent substrate. The first conductive layer is provided with a first exposure area, and the first exposure area is provided with a first conductive material. The second conductive layer is provided with the first conductive material at theend away from the first exposure area. A second conductive material is arranged between the first transparent substrate and the second transparent substrate. The second conductive material is arrangedalong the periphery of the functional stack. The second conductive material is in contact with the first conductive material. The second conductive material is connected with the first transparent substrate and the second transparent substrate in a sealing way.

The invention relates to elastic fluctuation in engineering structures, in particular to ultrathin planar waveguide equipment and a design method thereof.The waveguide equipment comprises a flat plateand a waveguide structure arranged on the flat plate, the waveguide structure is composed of two layers of metasurfaces with sub-wavelength thicknesses, and each metasurface is composed of periodically-arranged supercells, wherein each super cell comprises unit cells with two gradient indexes, the transmissivity t of each unit cell is not less than 0.9, the width of each unit cell is H, the phasechanges of the elastic waves passing through the two unit cells are pi and 2pi respectively, the phase gradient of the super surface is L = 2H, L represents the width of the super cell, and lambda/L> 2 must be met in order to make the elastic waves incident on the super surface, wherein lambda represents the wavelength. By designing the waveguide equipment in any shape, the purpose that elasticwaves are propagated along an expected path can be achieved, and the waveguide equipment has the advantages of being light and thin in structure, small in size, wide in working frequency band, high indesignability and the like.

A motor includes a plurality of core assemblies forming three phases, and a plurality of coil windings provided on the respective core assemblies, wherein one of the coil windings is wound in a coil winding direction opposite to a coil winding direction of the coil windings on other of the coil assemblies, grip sections that are arranged in an axial direction to hold the core assemblies, and pole teeth that connect to at least two of the grip sections on both sides of the center one of the core assemblies and extend from each of the two grip sections in both directions in the axial direction. The pole teeth extending in both directions from each of the two grip sections are arranged along a circumferential direction so as not to overlap one another in the axial direction, and the at each of the grip sections is formed from a single magnetic plate.

The invention relates to the technical field of optical fiber connectors, and discloses an optical fiber laser retaining thread type QBH connector which comprises a locking device, the locking device comprises a QBH locking seat, a QBH locking ring, a retaining tooth ring and a QBH pressing thread ring, three kidney-shaped holes are evenly formed in the side wall of the QBH locking seat, a pin hole is formed in the side wall of the QBH locking seat, the QBH locking ring is installed on the QBH locking seat, the QBH locking ring is inserted into an inner cavity of the retaining gear ring, and a retaining pin hole is formed in the side wall of the QBH locking seat. According to the scheme, the locking device is small in size, light in weight, simple in machining process, low in machining precision requirement, high in stability in the using process, not prone to loosening, of a thread type structure, and the QBH sizes of different laser manufacturers or different batches of lasers are distinguished or the processing errors are completely absorbed; and the retaining mechanism ensures stability and no looseness in the using process, and the structure is simpler, lighter and thinner.

The invention discloses a thin high-temperature-resistant glove, which comprises a contact layer, a heat insulation layer and a comfortable layer from outside to inside, the contact layer is a woven fabric layer formed by blending glass fibers and pre-oxidized fibers, the heat insulation layer is a composite fabric layer formed by compounding several of aramid fiber felt, glass fiber felt, aerogel felt and flame-retardant viscose, and the comfortable layer is a knitted fabric layer. The thin high-temperature-resistant glove is simple, light, thin and reasonable in structure, convenient and flexible to use, good in heat insulation effect and good in durable effect.