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4901 results about "Glass cover" patented technology

Fingerprint recognition module used under screen

PendingCN108446677AEliminate black spotsSimple structurePrint image acquisitionGlass coverBlack spot
The invention discloses a fingerprint recognition module used under a screen. The fingerprint recognition module comprises a screen component, a miniature backlight illumination system installed underthe screen component, and an imaging system installed in the miniature backlight illumination system. The screen component is installed above the micro backlight illumination system. The screen component includes a glass cover plate, a display screen arranged under the glass cover plate, and a light guide plate which is arranged under the display screen and is used for illuminating the liquid crystal display. The light guide plate is arranged above a light guide component. The miniature backlight illumination system includes the light guide component and a light emitting component which is installed at a side of the light guide component. The imaging system comprises an imaging lens for imaging and an image sensor which is installed under the imaging lens and is used for receiving an image. The fingerprint recognition module has the advantages of a simple structure, low cost, a long life and good reliability, at the same time, black spots caused by insufficient local brightness on thedisplay screen caused by holes of the light guide plate can be eliminated, and the fingerprint recognition module can be used for a common LCD touch display screen.
Owner:MIKOLTA OPTICAL TECH CO

Device with culture relics exhibiting and protecting function

The invention provides a device which can exhibit and protect cultural relics. The device is characterized in that the device comprises a base; a base plate is arranged at the top of the base; the bottom of a glass cover is fixed on the base plate through a safety lock reed, and a safety alarm is arranged on the safety lock reed; a gland bush is arranged at the butt joint of the glass cover and the base plate; a rotating bushing is arranged at the middle part of the base plate and a gland bush is arranged on the rotating bushing; rotating shafts are arranged inside the rotating bushing and the base; showcase stands are arranged at the top parts of the rotating shafts, and step motors are arranged at the tail ends of the rotating shafts; a temperature sensor, a pressure sensor, a humidity sensor and a gas composition sensor are arranged at two sides of the base plate; and a cavity refrigerating / heating device is arranged at the bottom of the base plate. The device has the advantages that the device can well exhibit the cultural relics and can create a manual protecting environment without damages. The device prevents oxidation, photodegradation, overheating volatilization, mould development and microorganisms and has the function of protecting the cultural relics and the precious article inside the cavity.
Owner:DONGHUA UNIV

Microminiature operation underwater robot of nuclear power plant

The invention relates to a microminiature operation underwater robot of a nuclear power plant, and the robot comprises an underwater robot body and an onshore control system, wherein two propellers are respectively arranged in the horizontal and vertical directions of the robot body, a depth gauge is arranged on the right side of the front part of the robot body, a manipulator is arranged at the bottom in front of the robot body, and a sonar is arranged on the top of the robot body; a control cabin is arranged in the middle rear part of the robot body; an outer cabin is sealed by a transparent glass cover, and is provided with a rearview camera and an auxiliary lighting light-emitting diode (LED) lamp; a front-view camera system is arranged at the front part of the robot body, and comprises a zooming radiation resistant camera tube, a tripod head and a lighting lamp; a video image and control signal is transmitted to the onshore control system through a shield cable; and the control system comprises a movement control rod, a manipulator control button, a keyboard, a main display screen and a speed governing knob. The microminiature operation underwater robot of the nuclear power plant is used for the monitoring and the simple foreign body fishing of a core pool, a spent fuel pool and a component pool of the nuclear power plant.
Owner:BEIHANG UNIV

Uniaxle integrated inertia measurement device based on single mass-block

The present invention which relates to the micro-mechanism electric technology provides a single-shaft and integrated device for measuring the inertia based on the single quality block. And the present solves the problems of the prior single-shaft and integrated assembly for measuring the inertia that the structure is complex, the volume and quality are big, etc. The single-shaft and integrated device for measuring the inertia includes a quality block and a glass cover bottom. The quality block which is hang on the upper of the glass cover bottom through a supporting beam includes a quality chip and four supporting bodies that are fixed with the four sides of the quality chip through the elastic beam. A moveable comb for detecting is fixed on the external of the supporting body relative to the Y direction and a moveable comb for driving is fixed on the external of the supporting body relative to the X direction. A fixed comb for detecting and a fixed comb for driving are fixed on the glass cover bottom, and electrodes for forming the capacitance are fixed on the lower end surface and the glass cover bottom of the quality chip. The device in the present invention has advantages of a reasonable structure, an easy processing, a high reliability, a small volume, a strong ability of resisting the interference, a high precision, a high precision of measuring the paralleling and orthogonality of the vectors, etc.
Owner:ZHONGBEI UNIV
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