38results about How to "Facilitate fingerprint recognition" patented technology

A biometric access control and time and attendance system comprises an integrated network including one or more remote access devices in electronic communication with a computer database. Each remote access device comprises a silicon chip based system and preferably includes a biometric input device, a liquid crystal display (LCD), computer processing capabilities based on embedded system architecture with configurable system-on-chip (CSOC) technology, and an electrical output for controlling a door lock or the like. The use of CSOC architecture in lieu of conventional personal computer technology (e.g. mother boards, hard drives, video controllers and the like) allows for a more compact and cost efficient design. A plurality of remote access devices is configured for communication with a primary computer database wherein data corresponding to biometric samples for all authorized users is stored. In an embodiment wherein the biometric input devices comprise fingerprint scanners, the devices are configured to facilitate fingerprint identification by incorporating an auto-targeting capability that enables the user to simply place his or her finger on the fingerprint scanner whereafter the system adjusts the scanned image by automatically shifting the scanned image data to a properly targeted position thereby enabling the system compare the scanned print to the biometric samples in the system's data storage memory. Auto-targeting capability eliminates the requirement for manual targeting present in systems of the background art thereby improving system performance and minimizing reliance on human interaction. The present invention contemplates the use of auto-targeting with other biometric systems, such as facial recognition and/or retinal scanning systems, or any other biometric identification technology.

An apparatus for recognizing a fingerprint includes a fingerprint sensing unit for scanning a fingerprint of a user; a storage using for storing a comparison model of the fingerprint of the user and various threshold values; a control unit for obtaining similarity between the fingerprint of the user scanned by fingerprint sensing unit and the comparison model stored in the storage unit, comparing it with a certain threshold value, and controlling a mobile terminal according to the comparison result; and a display unit for transferring a result (success or failure) of the fingerprint recognition or a request from the control unit to the user.

The invention relates to a direction filter enhancing method for a fingerprint image, which mainly includes a normalization processing of the fingerprint image, the direction estimation and the direction filter enhancement of fingerprint ridges. The normalization processing aims at eliminating the influences of uneven finger pressing on the fingerprint image and making full preparation for accurately extracting the direction information of the ridges. By using a mask method to extract the direction information of the ridges, the method of the invention is provided with high accuracy and lays a solid foundation for the following direction filter enhancement. In the direction filter enhancement of the fingerprint ridges, a smoothing filter template is used for the smoothing of a dermal ridge tangent direction and a sharpening filter template is used for the sharpening along the dermal ridge normal direction after the smoothing by the invention. Therefore, the contrast ratio between the ridge and the river reach of the fingerprint can be obviously enhanced; furthermore, the ridge interruption due to an over-drying finger can be connected and the ridge adhesion due to an excessive wet finger can be removed to obtain a good enhancing effect.

The present invention relates to a capacitive fingerprint identification device having a drying function and capable of identifying accurately. The capacitive fingerprint identification device comprises a shell, a drying mechanism is arranged on the shell, and a detection mechanism is arranged in the shell. The drying mechanism comprises an inner pipe, an outer pipe, an absorbent cotton and at least two installing assemblies, and the detection mechanism comprises an induction assembly, an extruding block, an identification window and two fastening assemblies. Each fastening assembly comprisesa fixing plate, a driving unit and a telescoping unit, and the telescoping unit comprises a fixing block, a moving block, a telescoping rack, a hinging block, a sliding ring, a sliding rail and a moving plate. The capacitive fingerprint identification device having the drying function and capable of identifying accurately absorbs the moisture on the fingers of the users via the absorbent cotton inthe drying mechanism, so that the fingers recover to be dry, and the device can identify conveniently and accurately. Moreover, the detection mechanism automatically identifies the fingerprints of the fingers of the users, during the identification process, users only need to insert the fingers, so that the fingerprint identification operation is simple and is convenient to execute, and the practicality of the device is improved.

The invention belongs to the technical field of non-contact fingerprint image acquisition, and specifically relates to a camera-based non-contact fingerprint image acquisition apparatus and method. The camera-based non-contact fingerprint image acquisition method includes the steps: collecting a fingerprint image under blue light through a camera, performing circle fitting on the contour of a finger tip so as to estimate the width of the finger in the image, and adjusting the distance between the finger and the camera by means of voice prompt; extracting a center line of the fingerprint, determining the fingerprint ROI area, and controlling the camera to focus ROI so as to obtain a non-contact fingerprint image with high quality; and performing rotary correction on the fingerprint image according to the grade of the center line of the fingerprint to obtain a fingerprint image which is arranged regularly and has suitable size. The camera-based non-contact fingerprint image acquisition method enhances the contrast of the ridge line and the valley line of the fingerprint by collecting the fingerprint image under blue light, overcomes the influence of the fingerprint scale change by adjusting the distance between the finger and the camera, reduces the influence of the random placement of the finger by using rotary correction, and adjusts the focal length according to the quality ofthe ROI area so as to obtain a non-contact fingerprint image with high quality.

A method of manufacturing a fingerprint recognition home key for improving an attachment precision of a fingerprint recognition sensor in accordance with an embodiment of the present invention comprising the steps of an injection step in which a transparent injection molding product equipping a receiving groove, on which a fingerprint recognition sensor is placed, is molded, coating a UV curable bond on the transparent injection molding product, and adjoining the transparent injection molding product and a fingerprint recognition sensor using the UV curable bond is provided.

A photoelectron fingerprint identifying apparatus is disclosed. The disclosed photoelectron fingerprint identifying apparatus may include a photoelectron sensor having a light receiving surface on which a finger is placed, wherein the photoelectron sensor receives an optical intensity signal associated with an invisible light penetrating the finger before converting the optical intensity signal to a photocurrent signal, an analog/digital converter electrically coupled to the photoelectron sensor for receiving the photocurrent signal, wherein the analog/digital converter converts the photocurrent signal to a digital signal, and an image processing unit electrically coupled to the analog/digital converter for receiving the digital signal before outputting an fingerprint pattern based on the digital signal.

The invention relates to a safe and reliable intelligent fingerprint lock based on the Internet of things. The safe and reliable intelligent fingerprint lock comprises a main body. The main body is provided with a fingerprint inlet, an erasure mechanism and a shield mechanism. The main body is internally provided with a notch. The notch is internally provided with an identification mechanism and aclean mechanism. The identification mechanism comprises a fixing board, a gas pump and two telescopic assemblies. Each telescopic assembly comprises a gas pipe, a gas cylinder, a piston, a movable block, a telescopic frame, a hinged block, a sliding ring, a sliding rail and a movable board. The clean mechanism comprises a translational assembly, a support rod, a clean rod and a clean board. The shield mechanism comprises an opening, a baffle, a hinged assembly and a second magnet. The safe and reliable intelligent fingerprint lock based on the Internet of things conducts fingerprint identification on a finger which stretches into the notch through the identification mechanism and erases the fingerprint trace through the erasure mechanism to prevent a fingerprint from leaking out. Furthermore, trash on a fingerprint window is cleared up by the clean mechanism and the trash is discharged through the opening to prevent the trash from affecting fingerprint identification, and smooth fingerprint identification of the fingerprint lock is guaranteed.

A fingerprint identification apparatus including an image capture device, at least one light emitting device and a light guide device is provided. The image capture device has a light reception surface. The at least one light emitting device is disposed beside the image capture device. The light guide device shields the at least one light emitting device and has an opening. The opening of the light guide device exposes the light reception surface of the image capture device. The opening of the light guide device is defined by a side wall of the light guide device. The side wall of the light guide device is tilted relative to the light reception surface of the image capture device. Moreover, a manufacturing method of the fingerprint identification apparatus is also provided.

The invention discloses a visual switch based on fingerprint identification login, and belongs to the technical field of a switch. The switch mainly comprises two modules of a fingerprint identification module and a visual interface module. Through adoption of fingerprint identification, a switch needing to be managed can be logged in conveniently and rapidly; the fingerprint identification is very secure and reliable; moreover, through adding an LED display screen on the switch, related system information of the switch can be displayed; and through organic combination of the two modules, the inner management of the system of the switch can be realized.

The invention relates to a fingerprint acquisition area determination method, which comprises the steps of determining a contact area according to a touch signal generated by a touch operation from astarting moment t0 when the touch operation is sensed; determining the change rate of the characteristic characteristic parameters of the contact area; and if the change rate is smaller than or equalto a preset change rate, determining a fingerprint acquisition area according to the contact area. According to the method of the invention, the normal touch operation of the user is favorably prevented from being judged as wrong touch.

A fingerprint identification apparatus including a light guide element, a transparent substrate, a light source, and an image-sensing element is provided. The light guide element has a first surface, a second surface opposite the first surface, and a side connected between the first surface and the second surface. The transparent substrate is disposed on the first surface of the light guide element and has a pressing surface to be pressed by a finger. The light source is configured to emit a light beam and is disposed adjacent to the side of the light guide element. The image-sensing element is disposed opposite to the second surface of the light guide element. The pressing surface of the transparent substrate or the second surface of the light guide element is an irregular rough surface.

The embodiment of the invention discloses a fingerprint recognition device and electronic equipment. The performance of the fingerprint recognition device can be improved. The fingerprint recognitiondevice is suitable for being arranged below a display screen to realize optical fingerprint recognition under the screen, the fingerprint recognition device comprises a plurality of fingerprint recognition units, and each fingerprint recognition unit comprises a micro lens; at least two light blocking layers, wherein each light blocking layer is provided with a light through hole to form two lightguide channels in different directions; the two pixel units are respectively positioned at the bottoms of the two light guide channels; wherein after fingerprint optical signals returned from a finger above the display screen are converged through the micro lens, two target fingerprint optical signals in different directions are transmitted to the two pixel units through the two light guide channels respectively. A plurality of groups of two pixel units in the fingerprint recognition device receive fingerprint optical signals in two different directions and convert the fingerprint optical signals into two fingerprint images, the two fingerprint images are moved and reconstructed into a reconstructed image, and the reconstructed image is used for fingerprint recognition.

The invention provides a fingerprint door lock. The fingerprint door lock comprises a lock body and a fingerprint identifier arranged on the lock body. The fingerprint door lock also comprises a heating system. The heating system comprises a power supply device, a blowing device, a heating device and an induction device arranged in the lock body; a through hole communicating to the inner part of the lock body is formed in the side wall of the fingerprint identifier, the blowing device and the through hole are formed opposite to each other, the heating device is arranged between the through hole and the blowing device, the induction device for controlling the heating device and the blowing device to start and stop is arranged on the side wall of the fingerprint identifier and is located above the through hole, and a switch for starting or stopping the heating system is arranged on the lock body. Compared with existing fingerprint door locks, the fingerprint door lock provided by the invention can identify fingerprints immediately and quickly.

The invention provides a fingerprint identification structure and a manufacturing method thereof. The fingerprint identification structure comprises a polycrystalline silicon layer, a first insulating layer located on the polycrystalline silicon layer, a grid metal layer located on the first insulating layer, a second insulating layer located on the first insulating layer and a source/drain metal layer located on the second insulating layer, wherein the grid metal layer is covered with the second insulating layer. A through hole is formed in the portion, located on the polycrystalline silicon layer, of the overlapped part of the first insulating layer and the second insulating layer, and the source/drain metal layer penetrates through the through hole and is in contact with the polycrystalline silicon layer. The manufacturing method of the fingerprint identification structure is used for manufacturing the fingerprint identification structure. The fingerprint identification structure and the manufacturing method thereof are based on the low-temperature polycrystalline silicon technology, only two-layer metal is adopted, a low-temperature polycrystalline silicon production line can be completely combined, high-accuracy fingerprint identification is achieved, the technological structure is optimized, the production cost is remarkably reduced, and the fingerprint identification structure and the manufacturing method thereof have the good compatibility with an existing LTPS manufacture procedure and are easy to achieve.

The invention relates to a punched-card machine placing base. The punched-card machine placing base comprises a baseplate, wherein a supporting plate is arranged on the baseplate and is rotatably connected to the baseplate; a supporting rod is arranged on the baseplate and is rotatably connected to the baseplate; multiple inserting openings are formed in the back of the supporting plate at intervals; and a supporting strip is arranged at the bottom of the front of the supporting plate. When the punched-card machine placing base is used, a punched-card machine is directly placed on the supporting plate; the adjustment of the angle of the supporting plate can be realized by adjusting the rotation angle of the supporting rod, thus, the adjustment of the angle of the punched-card machine is realized, and the identification of fingerprints on punched cards and the punched-card machine is facilitated.

The application provides a narrow strip-shaped fingerprint identification method, and the method comprises the steps: processing a plurality of different training fingerprint images into a plurality of groups of training fingerprint groups according to a preset first image processing rule; feeding the multiple training fingerprint groups into a multi-classification network to obtain a pre-training model; processing the plurality of different registered fingerprint images into a plurality of registered fingerprint groups according to a preset second image processing rule; feeding the plurality of registered fingerprint groups into a multi-classification network loaded with a pre-training model to obtain a target model, the multi-classification network loaded with the target model being able to identify a registered finger ID and a feature vector of each registered fingerprint image; inputting a to-be-identified fingerprint group into the multi-combination classification network loaded with the target model to obtain a to-be-identified finger ID and a feature vector of the to-be-identified fingerprint image; and obtaining an identification result of the to-be-identified fingerprint image according to the to-be-identified finger ID, the corresponding feature vector, the plurality of registered finger IDs and the corresponding feature vectors. Electronic equipment is also provided.

The invention discloses a vehicle door handle and a vehicle. The vehicle door handle comprises an ultrasonic wave fingerprint sensor, an outer housing and an inner housing; wherein the inner housing is disposed in the outer housing; the outer surface of the inner housing is provided with an accommodating space, and an opening of the accommodating space faces towards the inner surface of the outerhousing; the ultrasonic wave fingerprint sensor is accommodated in the accommodating space. The invention is advantageous in that as the ultrasonic wave fingerprint sensor is accommodated in the accommodating space, and ultrasonic wave fingerprint sensor signals traverse through the outer housing to collect user fingerprints, and thereby the reliability and waterproof and dustproof performance ofthe ultrasonic wave fingerprint sensor can be ensured, and fingerprint identification can be facilitated; when the vehicle door handle is assembled, the ultrasonic wave fingerprint sensor can be firstly assembled to the inner housing, and then the inner housing can be assembled in the outer housing, and thereby the assembling efficiency and convenience of the vehicle door handle can be improved.

The invention relates to an electricity meter with a key protection function and a key protection method thereof, and relates to the technical field of electricity meters, the electricity meter comprises an electricity meter body used for being connected to a wall body, a containing groove is formed in the side face, away from the wall body, of the electricity meter body, an internal circuit board of the electricity meter body is provided with a soft rubber key, and the soft rubber key extends out of the groove bottom of the containing groove; the ammeter body is provided with a first installation space, the first installation space is communicated with the accommodating groove, and a first sliding block is slidably connected in the first installation space. The first driving assembly is connected into the first mounting space, and the first driving assembly is connected with the first sliding block and used for driving the first sliding block to slide; the first shielding plate is connected to the first sliding block, when the first sliding block is close to the containing groove, the first shielding plate slides into the containing groove along with the first sliding block and shields a groove opening of the containing groove, and when the first sliding block is away from the containing groove, the first shielding plate slides out of the containing groove along with the first sliding block. The electric meter has the advantage that the soft rubber key of the electric meter is not easy to age.