825 results about "Infrared transmission" patented technology

A system for long-term remote medical monitoring is especially suitable for the medical supervision of astronauts onboard a space station. The system includes at least one autonomous sensor unit (SU) with a sensor (1) and transmit/receive electrodes (2) connected to a microchip (3) and mounted on a carrier (4) in the form of an adhesive bandage that can easily be applied to the skin of the subject astronaut (11). The system further includes a body transceiver (10) that is worn on the body of the subject and acts as a centralized transmitting and receiving unit, and a portable data logger (12). Medical data such as the pulse rate and the like, as well as environmental data such as the ambient surrounding air temperature, are sensed by respective allocated sensor units (SU) and transmitted from the sensor units as electrical signals via the skin and other body tissues of the subject (11) to the body transceiver (10). From the body transceiver (10), the data signals are further transmitted, for example by a radio or infrared transmission, to the data logger (12), where the data can be recorded, displayed, processed, or further transmitted via a satellite (14) to a base station (13) or a ground-based facility such as a hospital (15). Polling signals are also transmitted from the body transceiver (10) to the sensor units (SU) in a wireless manner through the skin and other body tissues of the subject.

The present invention relates to a patient care and communication system which utilizes a central processing system and a plurality of remote stations electrically connected to the central processing system to facilitate visual and data communications. Each remote station includes telephone circuitry which is connected to a private branch exchange for telephone communications between stations. In addition, the private branch exchange is connected to a telephone exchange and a plurality of telephones for facilitating telephone communication therebetween. The central processing system facilitates the visual and data communications between the plurality of remote stations, and includes a system for determining which of the plurality of remote stations are transmitting the visual and data communications and which of the plurality of remote stations are to receive the visual and data communications. The central processing system also includes a system which establishes a communication link between the transmitting stations and the receiving stations. The remote stations include a processing system which also facilitates the visual, data and telephone communications and a display for displaying the visual communications. The present invention also includes a staff and/or patient locator system, in which each remote station includes an infrared receiver that receives infrared transmissions from a portable transmitter worn by a staff member or patient. The infrared transmissions include identity information associated with the person wearing the transmitter. The identity information is then transferred to the central processing system which determines the identity and location of each person wearing a portable transmitter.

The present invention is intended to provide an image pickup device-equipped rear view mirror with improved image pickup performance, glare prevention and appearance (design) in addition to improved performance as a vehicle mirror. A mirror element is formed by forming a reflecting film consisting of high refractive index material films and a low refractive index material film on a back surface of a transparent glass substrate. The integrating sphere reflectance of the mirror element in the visible range is 40% to 60% and the near-infrared transmittance is no less than 70% for the whole or part of the band belonging to the near-infrared range within the entire sensitive wavelength range of the near-infrared camera. A black mask member is attached to an entire back surface of the reflecting film. The near-infrared camera is arranged behind the black mask member. The region corresponding to the area for the image-pickup by the near-infrared camera within the entire region of the black mask member is formed of a visible-light absorption and near-infrared transmission filter. The near-infrared transmittance of the visible-light absorption and near-infrared transmission filter is no less than 70% for the whole or part of the band belonging to the near-infrared range within the entire sensitive wavelength range of the near-infrared camera.

A liquid crystal display device includes a first substrate, a second substrate located opposite the first substrate via a liquid crystal, a blue display element, a green display element, a red display element, a short-wavelength optical sensor, a red optical sensor, and an infrared optical sensor formed on a liquid crystal side surface of the first substrate, and a color filter formed between the first substrate and the second substrate and includes a blue filter, a green filter, a first red filter, a short-wavelength transmission filter, a second red filter, and an infrared transmission filter corresponding to the blue display element, the green display element, the red display element, the short-wavelength optical sensor, the red optical sensor, and the infrared optical sensor, respectively.

A method determines an analyte concentration in a sample. The sample includes the analyte and a substance. The method includes providing absorption data of the sample. The method further includes providing reference absorption data of the substance. The method further includes calculating a substance contribution of the absorption data. The method further includes subtracting the substance contribution from the absorption data, thereby providing corrected absorption data substantially free of a contribution from the substance.

There are provided an infrared transmission filter, which is inexpensive, is capable of being sufficiently made lighter and thinner, has no incident angle dependency, and is excellent in permselectivity for infrared light, and an imaging device, which employs such an infrared transmission filter.

An infrared transmission filter 10 includes an infrared transmission base material 1 selectively transmitting light in an infrared wavelength range; and a short wavelength side infrared absorbing film 2 formed on one side of the infrared transmission base material 1 and containing a near-infrared absorbent having an optical absorption edge on a short wavelength side of a transmission wavelength band of the infrared transmission base material. An imaging device includes the infrared transmission filter 10.

Disclosed is an image sensor for measuring illumination, proximity and color temperature, including: a light source unit configured to irradiate infrared with a wavelength of a specific band onto an object; a light source controller configured to control power supplied to the light source unit; an infrared transmission filter configured to allow only the infrared and visible ray with the wavelength of the specific band among light incident through a lens after being reflected by the object to selectively transmit therethrough; a first sensing unit provided with an image pixel for acquiring an image of the object introduced through the infrared transmission filter; and a second sensing unit configured to receive the infrared and the visible ray having passed through the infrared transmission filter and measure current illumination, proximity to the object and color temperature of the object.

The invention relates to a pressure-sensitive handwriting pen, which comprises a continuous quantity pressure sensor arranged in a pen point and a front-end adapter circuit, a signal conditioning circuit and an output unit for outputting wired or wireless signals which are matched with the pressure sensor, wherein the continuous quantity pressure sensor has a unique mapping relationship between an output value and pressure. The pressure-sensitive handwriting pen can use a resister strain foil, a Hall element, an electret capacitor or an electret microphone, a variable capacitor and a variable inductor as a pressure sensor element, and aiming at handwriting light pens and handwriting ultraphonic pens, provides an implementation scheme that by utilizing the conventional infrared transmission unit on a handwriting pen, handwriting pressure data and the original signal system are integrated to transmit pressure data. By applying the pressure-sensitive handwriting pen, on one hand, the change of calligraphy is more abundant and is closer to natural writing, and on the other hand, the application of handwritten input products on aspects of calligraphy, painting and the like and particularly the pressure-sensitive handwriting on display screens is expanded. Various sensors used by the pressure-sensitive handwriting pen have the advantages of low cost and simple adapter circuit, and thus the pressure-sensitive handwriting pen is suitable to be popularized and used.

A solid-state imaging device includes: a color filter layer which includes filters disposed above light receiving portions of a semiconductor substrate in one-to-one correspondence; and an infrared cut filter layer having an infrared cut wavelength at which transmittance is 50% or less and which ranges from 610 nm to 710 nm, wherein the filters include a visible light transmission filter which transmits visible light, and an infrared transmission filter having an infrared transmission wavelength at which transmittance is 50% or more and which ranges from 590 nm to 690 nm, and the infrared cut filter layer has an opening above one of the light receiving portions above which the infrared transmission filter is disposed, and is disposed above one of the light receiving portions above which the visible light transmission filter is disposed.

The present invention provides a device in the form of a single filter which is useable in conjunction with a plasma display panel and which functions to reduce reflection after assembly to acceptable levels, to increase contrast enhancement ratios, to reduce EMI emissions to levels which comply with consumer safety regulations and with military and aircraft standards and to reduce infrared transmission in the 800 nm-1000 nm range to a level which does not interfere with IR remote control operation. The present invention also relates to a method of making such a plasma display panel filter.

A solar photovoltaic module (1) intended to receive incident light, said incident light comprising incident visible light and incident near infrared light, visible light being defined as light having a wavelength between 380 nm and 700 nm, excluding 700 nm and near infrared light is defined as light having a wavelength between 700 nm and 2000 nm, characterized in that said solar photovoltaic module (1) comprises: —a photovoltaic element (2), sensitive to near-infra red light, —at least a first infrared transmitting cover sheet (4), arranged to one side of said photovoltaic element (2), comprising: —infrared transmission means arranged to transmit at least 65% of said incident infrared light through said infrared transmitting cover sheet, —visible light transmission means arranged to transmit as less as possible incident light having wavelengths lower than 600 nm, preferably lower than 650 nm, more preferably lower than 700 nm, excluding the wavelength of 700 nm, through said infrared transmitting cover sheet (4), —reflection means arranged to reflect a portion of said incident visible light of said infrared transmitting cover sheet (4), to the side of said incident light.

The invention aims to provide an auxiliary medical device which can directly display the patient vein position and depth information on the skin surface. The device consists of a multi-spectral infrared source, multipath cameras, a visible light interception infrared transmission filter, projection display equipment and a computation processing unit; According to the technical scheme, the infrared source emits one or a plurality of near-infrared lights to a detected part, the infrared lights are reflected by the skin and enter the cameras through the visible light interception infrared transmission filter, the cameras can acquire the skin images from different angles, the position and depth images of the vein can be obtained through the computation processing unit, the projection display equipment has the function of projecting the computed vein image position and depth information to the corresponding skin part, so that a doctor can obtain the vein position and depth information of the part to be injected, and the injection success rate is improved.

The present invention provides a device in the form of a filter which is useable in conjunction with a plasma display panel, which is applied to the front face of a display, and which functions to reduce reflection after assembly to acceptable levels, to increase contrast enhancement ratios, to reduce EMI emissions to levels which comply with consumer safety or other governmental or other regulations or standards and to reduce infrared transmission in the 800 nm-1000 nm range to a level which does not interfere with IR remote control operation. The present invention also relates to a method of making such a plasma display panel filter and device.

The invention discloses an interactive electric whiteboard system. The system consists of an image acquisition device, a projection device, a computer, a wireless receiving device with a USB interface, a whiteboard and an electric whiteboard pen, wherein the image acquisition device and the projection device are all connected with the computer; the computer is connected with the wireless receiving device with the USB interface which is used for receiving a wireless signal from the electric whiteboard pen, sending the wireless signal to the computer and controlling the operation of the computer; the electric whiteboard pen is provided with an infrared transmission device, the light transmitted from the infrared transmission device can form an infrared light spot on the whiteboard, and the infrared light spot is acquired by the image acquisition device and transmitted to the computer by an image acquisition card; the computer can work out the relative position of the electric whiteboard pen projected on the whiteboard; the relative position is utilized to generate an image, and simultaneously the projection device projects the image contents on the whiteboard; and the functions of a keyboard and a mouse can be realized by the electric whiteboard pen.

The infrared imaging apparatus comprises a CCD sensor 13 having sensitivities in the infrared region and visible region; three color filters FR, FG, FB each transmitting visible light in a specific wavelength region and infrared light in a specific wavelength region; and an infrared transmission filter 12 for allowing infrared light to pass through while removing visible light, wherein the CCD sensor 13 is configured to generate an imaging signal based on the infrared light passing through each of the color filters, the infrared imaging apparatus enabling the provision of the infrared imaging apparatus picking up the infrared light as the imaging light using the CCD sensor and the color filters as they are in the general imaging apparatus. As a result, a color imaging signal depending on the spectral distribution in the infrared region can be obtained without an expensive infrared CCD.

A remote controller allowing a user to change settings is provided. The remote controller includes a touch panel, a control circuit, a screen display memory, a setting data memory, a control data memory, an infrared transmission unit, and a battery. The control circuit includes a screen-display control circuit for displaying an image provided in advance for controlling the operation of a specific apparatus, a pressed-area detection circuit for detecting pressing in the display area of touch panel, an instructed-operation detection circuit for detecting the instruction of an operation, a display-data generation circuit for generating image data for displaying icons in the display area of touch panel, and a control-signal generation circuit for generating a signal for controlling the operation of the apparatus.

A glass transparent heat-insulating coating and its preparation method, the coating contains cesium tungsten bronze powder with a general formula of Cs0.1-3.5WO3, the crystal phase composition of the powder is Cs0.2WO3 or Cs0.32WO3, the powder The particle size is 100-1300nm, and the specific surface area is 7-50m2/g. The glass transparent heat-insulating coating of the present invention has the functions of visible light transmission and near-infrared shielding, and has the function of light self-regulation, that is, with the extension of light intensity and light time, the effects of visible light transmission and near-infrared shielding will be further enhanced , so it is especially suitable for preparing transparent thermal insulation film on the surface of glass. It is an intelligent transparent thermal insulation coating for glass and has broad application prospects in the fields of thermal insulation of architectural window glass and automotive glass. The coating has simple components and is suitable for large-scale industrial production and practical application.

The invention relates to a method for rapidly detecting adulteration of olive oil, particularly relating to a method for detecting the adulteration of the olive oil by combing a near-infrared spectroscopy with a principal component analysis-radial basis function neural network method, and mainly being used for solved the technical problems that the suitable detection method does not exist at home and abroad, the detection time is too long and the detection process is cockamamie. The detection method of the invention comprises the following detecting steps: putting a sample in a 5mm-detection cell and carrying out spectrum acquisition by the near-infrared transmission spectroscopy, wherein the scanning range is 12000cm-1-3700cm-1, the resolution ratio is 4cm-1, and the number of times of the scanning is 32; taking the average value after each sample is repeatedly detected for 5 times; selecting the spectrum wave band within 12000 to 5390cm-1 to carry out pretreatments of baseline correction and vector standardization on the original spectrum; extracting the principal components for the pretreated spectrum data by a principal component analysis method; establishing a model of a radial basis function (RBF) neural network after the principal component is extracted; and acquiring the near infrared spectrum of a sample to be detected and carrying out forecasting by the established model. By using the detection method of the invention, the olive oil can visually distinguished from the adulterated olive oil.

The embodiment of the invention discloses a paper money processing device and method. Because the new and old degree or dirt degree causes little effect on an infrared image, a white light reflectogram, an infrared reflection image and a transmission image of paper money are collected through an optical sensor, and the sort of currency and the face value of the paper money are recognized through image feature template matching, the crown character number of the paper money is accurately positioned through the infrared reflection image and the infrared transmission image of the paper money on the basis, the crown character number can be accurately positioned on the white light reflection image after the positioning result is mapped to the white light reflection image, and then character segmentation and character recognition can be performed. The paper money processing device and method can effectively eliminate the effect on the positioning of the crown character number area when the crown character number area is dirty and thus effectively improve the recognition rate of the crown character number.

The embodiment of the invention discloses a recognition method of a transversely spliced banknote. The method comprises a step of obtaining the infrared transmission image of a banknote to be identified and determining the longitudinal edge position of an anti-fake metal wire according to the pixel gray scale distribution characteristic in the infrared transmission image, and a step of obtaining the column projection of the longitudinal edge position of the anti-fake metal wire in the infrared transmission image of the banknote to be identified and judging whether the banknote is the transversely spliced banknote according to the projection intensity of the column projection. By using the technical scheme provided by the embodiment of the invention, a transversely spliced fake banknote can be effectively identified, and the identification effect is stable.

The invention aims at providing an auxiliary medical device capable of obtaining position and depth information of hand back veins of a human body and relates to a transmission-type hand back vein three-dimensional infrared imager which consists of an infrared source, multi-channel vidicons, a visible light cut-off infrared transmission filter and a computing and processing unit. The technical scheme is that the infrared source emits near-infrared light and irradiates the near-infrared light on a detected region, the infrared light penetrates through a hand back to enter the vidicons through the visible light cut-off infrared transmission filter, the two vidicons can acquire skin images at different angles, a position and depth image of the veins can be obtained after the computing and processing unit performs processing, accordingly the imager assists a doctor to obtain the position and depth information of the veins in a region to be injected, and the success rate of the injection is improved.