1312 results about "Infrared emitter" patented technology

An imaging system for locating subcutaneous blood vessels and a method for locating subcutaneous blood vessels using the system. The system includes at least one infrared emitter an infrared detector, a computing unit that enhances images and outputs enhanced images in substantially real time, a display device for displaying enhanced images, and a power source. The method includes the steps of preparing a body target area, putting on the headset, powering up the system, locating a target blood vessel, inserting a needle into the target blood vessel, and performing the medical procedure.

An access control system for a passageway having a passageway barrier including an active infrared sensor device and a locking mechanism for selectively locking and unlocking the passageway barrier. The active infrared sensor device includes an infrared emitter, an infrared receiver having one or more position-sensing photodetectors operative for receiving infrared light and generating a signal corresponding to a position and/or intensity of the reflected infrared light, and a processing unit operative for detecting a change between a first signal generated by one or more position-sensing photodetectors after receiving reflected infrared light at a first location on one or more position-sensing photodetectors and a second signal generated by one or more position-sensing photodetectors after receiving infrared light reflected in response to the object moving into the surveillance area and for controlling an operation of a locking mechanism based on the change.

An infrared emitter, which utilizes a photonic bandgap (PBG) structure to produce electromagnetic emissions with a narrow band of wavelengths, includes a semiconductor material layer, a dielectric material layer overlaying the semiconductor material layer, and a metallic material layer having an inner side overlaying the dielectric material layer. The semiconductor material layer is capable of being coupled to an energy source for introducing energy to the semiconductor material layer. An array of holes are defined in the device in a periodic manner, wherein each hole extends at least partially through the metallic material layer. The three material layers are adapted to transfer energy from the semiconductor material layer to the outer side of the metallic material layer and emit electromagnetic energy in a narrow band of wavelengths from the outer side of the metallic material layer.

The invention provides an Internet intelligent mirror based on a natural user interface. The Internet intelligent mirror mainly comprises a base, a square mirror frame, a filter single lens, a light emitting screen and a mainboard. The filter single lens, the light emitting screen and the mainboard are located in the square mirror frame. The filter single lens is located on one side, facing a user, of the intelligent mirror. The light emitting screen and the mainboard are located on the rear side of the filter single lens. The mainboard is located below the light emitting screen. A loudspeaker A, an infrared transmitter, a color camera, a depth sensor, a microphone and a loudspeaker B are sequentially disposed on the upper portion of the front side of the square mirror frame from left to right. During use, a user can interacts with the mirror through voices and gestures by facing the mirror, and experiences such as physical data measuring and virtual try on are achieved. The Internet intelligent mirror has the advantages that the mirror can understand human languages and the gestures of people; when the user faces the mirror, Internet information browsing can be achieved by voice control, virtual clothes can be tried on through gesture control so as to decide intraday wearing, and body bone motion trajectories can be recorded and analyzed to aid various exercises high in body posture requirements.

The design and operation of a p-i-n device, operating in a sequential resonant tunneling condition for use as a photodetector and an optically pumped emitter, is disclosed. The device contains III-nitride multiple-quantum-well (MQW) layers grown between a III-nitride p-n junction. Transparent ohmic contacts are made on both p and n sides. The device operates under a certain electrical bias that makes the energy level of the first excitation state in each well layer correspond with the energy level of the ground state in the adjoining well layer. The device works as a high-efficiency and high-speed photodetector with photo-generated carriers transported through the active MQW region by sequential resonant tunneling. In a sequential resonant tunneling condition, the device also works as an optically pumped infrared emitter that emits infrared photons with energy equal to the energy difference between the first excitation state and the ground state in the MQWs.

The invention discloses a debugging method of touch screen and a relative touch screen. The method comprise starting infrared scanning to detect the detected value of infrared signal strength received by an infrared receiver, when the detected value is outside the best range, adjusting the device parameters of an infrared scanning module, when the detected value is in the best range, eliminating the adjustment. The invention starts infrared scanning and judges the infrared signal strength received by the infrared receiver, which eliminates the adjustment on the infrared emitter-receiver when the received infrared signal strength is in a preset range, and directly judges the debugging end on the infrared emitter-receiver, and adjusts the device parameters of the infrared scanning module when the received infrared signal strength is in the preset range. The invention can debug with hand operation, with simple maintenance and debugging to save debugging cost.

An infrared detection and alarm system for the bottom shelf of shopping carts having attached to the bottom shelf an infrared emitter which shall emit therefrom infrared light which shall be received by an infrared detector when no merchandise is located on the bottom of the cart and if a piece of merchandise is located on the bottom shelf the light shall be interrupted. Upon interruption of the light, a transmitter shall communicate a code to a receiver mounted on the checkout stand at which point said receiver shall activate an LED warning light to communicate to the sales clerk the presence of merchandise on the bottom shelf of the shopping cart.

An integrated driving assistance apparatus is provided, which is installed in a vehicle with a headlight, a turn signal light, and a side-view mirror. The integrated driving assistance apparatus includes a detector, an infrared emitter, an image sensor, and an image processor. The detector is configured to detect whether the headlight and the turn signal light are turned on or off respectively. The infrared emitter is located on the side-view mirror and irradiates infrared rays when the detector detects that the headlight is turned on. The image sensor is located on the side-view mirror for capturing an image of an area beside the vehicle. The image processor is coupled to the image sensor and the detector and configured to receive and process the image to generate a warning signal. When the detector detects that the turn signal light is turned off, the image processor processes the image for a lane deviation alarm, and when the detector detects that the turn signal light is turned on, the image processor processes the image for a blind spot detection alarm.

The invention discloses a method for recognizing a plurality of touch points on an infrared touch screen, comprising the steps of: starting the infrared touch screen, driving an infrared emitter and an infrared receiver and forming transverse and longitudinal infrared arrays by corresponding scan; determining the transverse coordinates sets and longitudinal coordinates sets of all touch points, driving the infrared emitter and the infrared receiver, forming an infrared array with the functional relation of that y(x) is equal to f(x) in the touch area by corresponding scan, gaining a set of function value that y(x) is equal to f(x) of the touch points in the touch area, through calculating the sets of two scans by a controller, gaining the coordinates of all touch points and disposing and removing false touch points. The invention can complete the detection of a plurality of touch points without changing the hardware structure of existing touch screen, has no incorrect area of multi-point detection at four corners of the screen body, has higher sensitiveness to adjacent multi-point detection, higher resolution, short scan time and quick response.

A device includes an electromagnetic radiation delivery system such as a laser of light emitting diode infrared emitter configured for delivery of electromagnetic radiation within a sealed canal such as an ear canal, a fiber optic cable configured for delivering or capturing the electromagnetic radiation within the sealed canal, and a photo detector coupled to the fiber optic cable forming a portion of a voice communication system. Other embodiments are disclosed.

The invention discloses a photoelectric control system for an industrial sewing machine, and relates to the technical field of photoelectric control, in particular to an infrared control system capable of detecting fabric edge length of materials sewn and whether sewing materials exist by an industrial sewing machine. The control system comprises two infrared emitters (1) independently forming a relative included angle (phi), an infrared receiver tube (2) and an infrared receiver tube (3) positioned in a front circular hole and a back circular hole of a needle plate holder, a cutter assembly (5), a fabric edge signal processor (10), an air suction pipe (11) and a sewing machine electric cabinet (17), and comprises steps of a to d. Two groups of signals about having or no fabric edges are provided to the fabric edge signal processor to be processed through judging whether the fabric edges are existed on a sewing machine needle plate; and starting, stopping, accounting, speed raising, speed reducing, wire cutting and air sucking and the like of the sewing machine are controlled automatically according to positions of the fabric edges supplied to a system controller. The control system has the characteristics of accurate output signals, good anti-interference property, easy processing and high performance cost ratio, is suitable for various industrial sewing machines, and the like.

Disclosed is an optical modular touch screen using a linear infrared emitter, in which the linear infrared emitter is disposed at each of three or four sides of a rectangular frame defining the touch screen, and infrared rays emitted from the linear infrared emitter is detected through two or three optical modules, thereby recognizing a shadow generated by finger touch and grasping a position thereof.

The optical modular touch screen of the present invention includes a linear infrared emitter 40 which is independently disposed at least three sides 20b, 20c, 20d of frame 20 of a rectangular image screen 10 so as to emit the infrared rays; an optical module 30 which is disposed at least two or more corner portions so as to monitor the entire image screen 10; a control board 50 which analyzes an infrared signal detected by the optical module 30 and detects the touch position touched by a user.

The invention discloses a transport cart for a bottle body, and belongs to the technical field of transport carts. The transport cart for the bottle body comprises a bracket, wherein the bracket is of a rectangular frame structure formed by connecting two transverse beams with two longitudinal beams; each of four corners at the bottom of the bracket is provided with one running wheel; each of four corners above the bracket is provided with one supporting beam; one supporting wheel is mounted on each supporting beam; the transverse beams comprise a first transverse beam and a second transverse beam; the first transverse beam is of a tubular structure; one end of the second transverse beam stretches into the first transverse beam; control boxes are arranged on the longitudinal beams; humidity sensors, central processing units, memories and humidifier infrared transmitters are arranged inside the control boxes; and the central processing units are electrically connected with the humidity sensors, the memories and the humidifier infrared transmitters respectively. The functional defects of an existing transport cart are overcome; and people can be enabled to be always in a suitable environment.

The invention relates to a parking space state sensor and a parking space state sensing method. The parking space state sensor comprises an earth magnetism sensing unit, an infrared detecting unit and a control unit, wherein the earth magnetism sensing unit is used for detecting disturbance information of a parking space earth magnetic field, the infrared detecting unit comprises an infrared emitter and an infrared receiver, and the infrared emitter and the infrared receiver are respectively used for primarily judging whether a vehicle drives in onto a parking space or leaves the parking space and then further judging whether a vehicle exists in the parking space according to a detecting result of the infrared detecting unit. The parking space state sensor detects parking space states through the method of enabling the earth magnetism sensing unit with low power consumption to be in an on-duty state, together with the precise control of the control unit, only when the detecting result is not clear, is the infrared detecting unit with high power consumption and high detecting precision started to make further judgment, and therefore the parking space state sensor realizes the purposes of being low in power consumption and high in detecting precision.

The present invention discloses an intelligent interactive projection system. The system comprises a projection screen, an intelligent projector, a camera, an infrared emitter and an intelligent terminal. The intelligent projector comprises a miniature projector and a service controller; the miniature projector and the camera are adjusted in angle, so that the view angle covers the projection screen; the infrared emitter is arranged at the front upper part of the projection screen and forms an infrared light surface parallel to the projection screen in front of the projection screen; the intelligent terminal is wirelessly connected to the service controller and pushes projection content or a control instruction to the service controller; when a finger touches the projection screen, the finger passes through the infrared light surface, and then the camera captures an image formed by reflecting infrared light and sends the image to the service controller for gesture recognition; and the service controller feeds back an operation instruction to control the play of a projection, thereby achieving the intelligent interaction. The system provided by the present invention has the advantages of being low in cost, high in performance, convenient and user-friendly, and has good user experience.

The invention relates to an intelligent desk with a sitting posture correcting function. The intelligent desk comprises a desktop, desk legs, an infrared transmitter, an infrared camera, a control box and a display panel. A read-write area is arranged on the desktop, the infrared transmitter is used for casting structured light, carrying out active infrared imaging and measuring three-dimensional depth information, the infrared camera is used for photographing change of forms of the infrared structured light under the conditions of human sitting postures, the display panel is used for displaying the sitting postures, and photography results of the change of the forms of the infrared structured light are transmitted to the control box by the infrared camera, so that images are processed, the infrared structured light is measured, the images are three-dimensionally reconstructed, and information of the sitting posture images of users is analyzed and is ultimately transmitted to the display panel. The invention further provides a sitting posture correcting method on the basis of the intelligent desk. The intelligent desk and the sitting posture correcting method have the advantages that the sitting postures can be corrected by the aid of an information technology and an image modeling processing technology, and the users do not feel uncomfortable; the sitting postures of the users can be effectively and accurately corrected, and accordingly impairment to the eyesight of the users due to incorrect sitting postures can be prevented.

The invention relates to a realizing method of an interactive light sensitive touch miniature projection system, which comprises four technical levels of an infrared emission catching system, identification of a hand position, identification of a hand action, and development of an interactive design software system; data of the four technical levels are transferred and processed sequentially. The method concretely comprises the following steps of: 1) reflecting infrared rays emitted by an infrared emitter through the infrared emission catching system after the infrared rays meet a hand; enabling the reflecting light to enter an infrared receiver; projecting the reflecting light by the infrared receiver for obtaining an infrared distributing condition; 2) extracting the information of the hand; and 3) realizing a multi-point touch control system. The realizing method has the advantages that the interaction is dynamic; the information can be transferred; interaction display in a public place is converted into individual private interaction; a product does not occupy or use space and can be fixed and carried; the application range is wide; and the product has great market potential in various service industries.

The invention discloses a rotating disc typevacuum perforating apparatus which includes a perforating apparatus main body provided with a perforating drill bit thereon and a workbench thereon. The perforating apparatus main body also includes a rotating discand a plurality of hollow positioning blocks. The rotating disc is rotatably positioned above the workbench. The positioning blocks are secured to the rotating disc. The middle of each positioning block is provided with a positioning groove which is provided with a plurality of apertures. The side wall ofeach positioning groove is provided with an air withdrawing opening and an air charging opening. The perforating apparatus main body is fixedly provided thereon with an infrared emitter closeto the position of the drill bit. Each positioning block is fixedly provided with an infrared sensor thereon.Each infrared sensor is arranged below the infrared emitter. The rotating disc type vacuum perforating apparatus can increase the efficiency of perforating and achieve rotary perforating.

A remote control system includes a RF communication chipset that has a transceiver and antenna at a handset/remote and another transceiver and antenna at a base station is operable to maintain a two-way communication connection. The two-way communication connection includes the capability of uploading display data for presentation on a display located at the handset/remote, and also includes the capability of downloading keystroke codes from the handset/remote keyboard. A processor is in communication with the base station, and is operable to control an infrared emitter. Devices are controlled by infrared commands decoded from the downloaded keystrokes and provided to the infrared emitter. Full telephonic capability is supported between the handset/remote and a plain old telephone system.

The device enables strains of at least one surface (1) of a sample (2) to be measured versus temperature. Strains in a direction perpendicular to a predetermined plane, for example the plane of the surface (1), are measured by composite images. Strains in said plane are measured by image correlation. The measurements by image correlation and by composite images use a common visible light detection camera (3). The sample (2) is arranged in an enclosure (6) transparent at least locally to visible light (L). At least one infrared emitter (9) enables an infrared light to be created in a spectral band for a large part not detected by the camera (3).

A driver image capturing apparatus includes an interior rear-view mirror, an infrared emitter, and an infrared camera. The mirror is mounted at a location obliquely upward and forward from a driver seat. Mounted at a location obliquely upward and backward from the mirror, the infrared emitter emits infrared radiation to the mirror. The camera is pointed at a face of a driver in the driver seat. The mirror has a first reflecting mirror and a second reflecting mirror. The first mirror reflects visible light and transmits infrared radiation. Disposed behind the first mirror at an angle θ relative to the first mirror, the second mirror reflects infrared radiation. The first mirror provides a field of rear vision to the driver. Infrared radiation emitted by the infrared emitter is delivered to the face of the driver through the first and second mirrors, reflected by the face, and received by the camera.

An IR source is provided in the form of a micro-hotplate device comprising a CMOS metal layer made of at least one layer of embedded on a dielectric membrane supported by a silicon substrate. The device is formed in a CMOS process followed by a back etching step. The device is advantageous over state of the art devices as it provides a micromachined IR source capable of achieving high temperatures (and thus higher emissions), while at the same time can be fabricated by commercial CMOS processes - thus having low fabrication cost, high reproducibility and reliability and offering the possibility of monolithic integrated circuitry. The device can also be integrated with an IR detector on the same chip and packaged to form a complete NDIR sensor.

The invention discloses data center IT equipment and a cabinet U-bit detection system. The system comprises an identification code memorizer for storing and identifying identification code of the binding IT equipment; an infrared emitter for emitting infrared signals; an infrared receiver for receiving infrared signals; a retaining plate for reflecting the infrared signals emitted by the infrared emitter to the infrared receiver; and a controller which is used for judging corresponding U-bit service condition and outputting a control signal to a status display module according to the judged result, and is used for reading an identification code stored in the identification code memorizer. According to the data center IT equipment and the cabinet U-bit detection system, the service condition of the cabinet U-bit space can be directly detected without depending on attribute parameters of other systems and the IT equipment, so that automatic and visual detection of IT equipment deployment and position change is achieved; moreover, IT equipment change information can be accurately recorded timely through the identification code which is bound with the IT equipment, so that using cost is reduced to the maximum, electromagnetic pollution of a computer room is reduced and work efficiency is greatly improved.

The invention discloses a pedestrian bump-resistant infrared automatic sensor device for a vehicle, which comprises an infrared sensor, a display, a circuit system, a CPU processor and a alarm device, wherein, the infra-red sensor is arranged on the vehicle body where the field of vision of a driver is not easy to reach, so as to receive infrared signals radiated by a human body; then the infrared signals is sent to the circuit system; the circuit system converts the infrared signals received into electrical signals which is outputted to the display and the CPU processor; the display shows the image of the sketchy outline of an infrared emitter and the distance between a pedestrian and the vehicle body; the CPU processor calculates the distance between the pedestrian and the vehicle body by the radiation intensity of the infrared signals, when the distance is less than the threshold value of safe distance, the alarm device sends out alarm signals. The device settles the problem that the comprehensive and continuous monitoring of pedestrians near the vehicle body are unable to be achieved; the device has the advantages of wide detection scope, good visual effect and multiple functions.

The present invention is a dispenser that, in one embodiment, includes a support for a roll of web material, a drive roller cooperating with an idler roller to feed web material supported by the roll support, and a mouth through which the web material is dispensed which has a floor but not a roof such that the web material does not jam when dispensed through the mouth. In another embodiment, the mouth is slot shaped. In various embodiments of the invention with either a slot shaped mouth or a wide mouth without a roof, a sensor is provided for selectively activating a drive motor in response to an incursion into a sensing field, wherein the sensor comprises an infrared emitter and receiver.

The invention discloses a multi-frequency scanning infrared touch device. Infrared emitters and receiving geminate transistors are divided into a plurality of groups, each emitter in each emitter group is simultaneously driven by a carrier frequency source and a drive module of the infrared emitter; and the number of the carrier frequency sources is the same with the number of the emitters in a emitter group, but the frequencies thereof are different. The electrooptical signal output end of each detector in each detector group is connected with the output ends of the receiving tube with the same number in other detector groups, and then is connected with an amplification processing unit comprising a filter which corresponds to the output frequency of each carrier frequency source, and theprocessed result is transmitted to a microcontroller controlling the touch device for realizing the coordinate detection of a touched object. The invention has the advantages of driving multiple pairs of emitters and the receiving tube in one group simultaneously and performing scanning detection without mutual interference, thus being capable of improving scanning speed by multiple times and being suitable for infrared touch devices with a larger size.

An example game system includes a home-console type game device, a controller device, and a portable display device. The portable display device includes an infrared emitter capable of emitting infrared light. The controller device wirelessly transmits to the game device operation image data from an image-capturing section, inertia sensor data, and operation button data. The game device receives the operation data from the controller device, and performs game processes based on the operation data. Moreover, the game device compresses first game images, which are generated based on the game processes, to generate compressed image data. The compressed image data is wirelessly transmitted to the portable display device. The portable display device receives the compressed image data from the game device, expands the compressed image data to obtain the game images, and displays the game images.

The invention relates to a continuous paint dyeing padding machine with an infrared pre-drying device. The padding machine comprises a fabric inlet pre-processing device, a padding system, a drying system and a fabric outlet processing device which are sequentially arranged. The drying system comprises an infrared pre-drying device and a steam drying device. The infrared pre-drying device comprises two to five pre-dying mechanisms; each pre-drying mechanism comprises a pair of frame parts; and each pair of frame parts is provided with an infrared emitter. The continuous paint dyeing padding machine is characterized in that the front part of each row of infrared emitters is provided with a shielding device; when the padding machine is in use, the shielding device is arranged at a keep-clear position; and when the padding machine is in a shutdown state, the shielding device is arranged at a shielding position. Furthermore, each pair of frame parts can be arranged in a close state or an open state corresponding to the rolling of a first frame. Therefore, the padding machine has protection effect when in use, better dyeing effect and convenient maintenance.

A motherboard alarm system test circuit includes an infrared emitter, a memory, and a circuit board. The circuit board includes a memory slot, many edge connectors, an infrared receiver, a single chip computer, and a switch circuit. The memory slot includes many spaced metal sheets. One end of each metal sheet is electrically connected to one of the first golden fingers of the memory. Each edge connector is electrically connected to the other end of each metal sheet. The second golden fingers of the circuit board are electrically connected to the memory slot. The signal chip computer includes an input pin electrically connected to the infrared receiver. The switch circuit is electrically connected to the signal chip computer. The switch circuit controls an electrical connection between the plurality of metal sheets and the plurality of first golden fingers of the memory.

A touch keyboard includes a touch panel and a circuit board mounted in a housing. The touch panel includes a plurality of labeled touch portions reflecting an infrared ray when being touched. A plurality of infrared emitters and receivers are mounted on the circuit board each of which are corresponding to one of the touch portions. The infrared ray emitted by each infrared emitter is assigned with an identifier, the corresponding infrared receiver generates an electrical signal with the identifier. Each identifier corresponds to a touch portion. The processing unit mounted on the circuit board determines the identifier and the current intensity of the electrical signal. If the current intensity of the electrical signal is greater than or equal to a preset current intensity, the processing unit determines one of the touch portions is touched. As such, the processing unit further determines which of the touch portions is touched.