35 results about "Photometric system" patented technology

In an image forming apparatus, the auto-focusing process and the photometry system may be coupled such that when a multi-area AF system is set, the setting of the auto-focusing areas of the multi-area AF system is performed in accordance with a selected photometry system. More specifically, when an average metering system is selected as the photometry system, nine AF areas are set such that the AF areas are distributed throughout the whole image. When a center-weighted metering system is selected as the photometry system, four AF areas are set in the vicinity of the middle of the image. When a spot metering system is selected as the photometry system, one AF area is set in the vicinity of the middle of the image.

The invention discloses a light measuring system which is arranged in a smart phone. The light measuring system comprises an ambient light sensor and a processing module. The ambient light sensor which comprises a lens and a photoelectric sensor acquires ambient light and outputs ambient light information, wherein the lens is a spheroid scatterer. The input end of the processing module is in circuit connection with the ambient light sensor, and the processing module receives acquired light information output by the ambient light sensor and obtains corresponding photographic parameters according to the acquired light information and outputs photographic parameters. The light measuring system is arranged in the smart phone, the light intensity of the ambient can be measured at any time. Photographic parameters such as apertures, shutters and photo-sensibility are obtained through calculation and can be transmitted to the other mobile terminal through the wireless technology, the photographic parameters are displayed to a photographer through a mobile terminal, and the photographer sets corresponding parameters of a camera according to the transmitted information and obtains accurate exposure of pictures.

The invention discloses a three-dimensional photovoltaic energy battery sunlight automatic tracking system. The automatic tracking system comprises a CPU control circuit, a servo drive circuit and a photometric system, wherein the CPU control circuit, the servo drive circuit and the photometric system are sequentially electrically connected. The photometric system is installed on a solar energy light panel and outputs X-axis pulse signals, Y-axis pulse signals and Z-axis pulse signals to the CPU control circuit, and the CPU control circuit controls a first motor in the servo drive circuit to operate through first pulse signals, first working state control signals and first direction control signals. The CPU control circuit controls a second motor in the servo drive circuit to operate through second pulse signals, second working state control signals and second direction control signals. The first motor and the second motor drive the solar energy light panel to rotate, and the CPU control circuit initializes the first pulse signals, the first direction control signals, the second pulse signals and the second direction control signals through the Z-axis pulse signals. According to the system, using cost is reduced, and working efficiency is improved.

The invention discloses a voltage frequency conversion circuit for a photometric system. The voltage frequency conversion circuit is characterized in that the comparison input pin of a converter is connected with a second resistor; a timing circuit pin of the converter is connected with a third resistor and a second capacitor respectively; the third resistor and the power end of the converter are connected with a 9V power supply through a first inductor, and the 9V power supply is further connected with a third capacitor; the frequency output pin of the converter is connected with a fourth resistor, the fourth resistor is connected with the base electrode of a second triode, the emitting electrode of the second triode is connected with a fifth resistor and a sixth resistor respectively, and the fifth resistor is connected to the ground; the collector electrode of the second triode is connected with a seventh resistor which is connected with the 9V power supply, the sixth resistor is connected with an eighth resistor and the base electrode of a first triode respectively, the emitting electrode of the first triode is connected to the ground, and the collector electrode of the first triode is connected with a ninth resistor and outputs pulse signals at the same time. According to the voltage frequency conversion circuit, sunlight conversion frequency is improved, accuracy is high, the circuit is simple in structure, and various requirements in practical application are met.

The invention belongs to the technical field of detection equipment, and provides a chemiluminescence immunity analyzer which comprises a rack, a control system arranged on the rack, and a reaction cup feeding and conveying system, a uniform mixing system, an acquisition system, an incubation cleaning system and a photometric system which are arranged on the rack and are electrically connected with the control system respectively, the reaction cup feeding and conveying system is used for storing, feeding and carrying reaction cups, the collecting system is used for transferring samples in the sample tubes and reagents in the reagent tubes to a uniform mixing position and collecting information of the sample tubes and the reagent tubes, and the uniform mixing system is used for uniformly mixing substances in the reaction cups. The incubation and cleaning system is used for performing incubation, cleaning, substrate adding and uniform mixing on substances in the reaction cup, and the photometric system is used for performing optical detection on the substances in the reaction cup after the incubation, cleaning, substrate adding and uniform mixing operations. The chemiluminescence immunoassay analyzer provided by the invention is high in automation degree, and can prevent human factors from influencing the accuracy and reliability of detection as much as possible.

The invention discloses an integrated cleaning inspection vehicle for navigation assistance lamps. The integrated cleaning inspection vehicle comprises a vehicle body chassis and a vehicle main control system, a travelling control system, a jet cleaning system and a metering system; the vehicle main control system is used for obtaining data information of the navigation assistance lamps, and for controlling operation of the travelling control system and the jet cleaning system; the metering system is used for detecting illumination and chroma information of the navigation assistance lamps; andthe vehicle main control system is used for judging whether cleanness of the navigation assistance lamps is qualified. According to the integrated cleaning inspection vehicle, by arranging the jet cleaning system, light outlets of the navigation assistance lamps can be cleaned fast, cleaning efficiency is high, consistency is good, damage to the lamps is small, illumination and chromaticity coordinates of the lamps can be detected in real time through the metering system, positions and appearance states of the lamps can be detected through a displacement detection system and a laser scanner,and fully-intelligentizing of all functions is realized, and manual operation is not needed.

The invention relates to a photometry method and system based on skin color recognition. Face detection, skin detection and skin color probability counting are carried out on image data captured by a camera, and the skin color probability obtained by counting and the center point position of the highest skin block are compared with original system photometry center points so as to determine the final photometry center points. The photometry method and system are high in pertinence, can eliminate the influence of face non-focus areas such as backgrounds, the hair and the eyes, and make the photometry effect be more stable and natural.

The invention discloses a sunlight three-dimensional photometric system. The photometric system comprises an X-axis photometric circuit, a Y-axis photometric circuit and a Z-axis photometric circuit. The X-axis photometric circuit and the Y-axis photometric circuit are respectively composed of a voltage generation circuit and a voltage frequency switching circuit. According to the sunlight three-dimensional photometric system, a three-dimensional light pulse is obtained through the voltage generation circuits, the voltage frequency switching circuits and the Z-axis photometric circuit, real-time tracking for the sun is achieved, use and installation are convenient, the operational process is simplified, and the working efficiency is improved. When the sunlight three-dimensional photometric system is applied in a solar automatic tracking system, unnecessary electric energy loss caused by driving a solar cell panel can be saved, on the basis of a test, the total generating capacity of a photovoltaic cell panel can be improved to 10%, and the cost of the photovoltaic cell panel is only 30% of a GPS.

The invention discloses a system and a method for recording the dynamic change of a laser ablated matter at nanosecond time resolution. A pulse delay controller controls the time when a pump laser system emits laser pulse and the time when a probe light system emits probe light in order to achieve a time delay between the two kinds of pulse light. The probe light emitted by the probe light systemfalls on the surface of a target sample, and a shadow formed after the probe light is transmitted through a laser ablated matter is imaged in a camera of an online monitoring device. The camera can accurately record the instantaneous morphology of shock wave, plasma and eruptive materials. The system and the method can be used to study the dynamic change law of aerosol particles formed from laserablated particles in the air or under inert carrier gas, and can help to study the influence of the number, diameter and morphology of ablated particles on the effect of geochemical element fractionation.

The invention provides a photometric system. The photometric system comprises a laser ranging module, an illumination measuring module and a data processing module; the laser ranging module is used for measuring the distance between a light source and the system and transmitting the generated distance data to the data processing module; the illumination measuring module is used for measuring the illumination of light generated by the light source and transmitted to the system and transmitting the generated illumination data to the data processing module; the data processing module is used for calculating the received distance data and illumination data to obtain the illumination intensity data of the position of the system. The laser ranging module and the illumination measuring module measure the distance and illumination synchronously, so that the illumination data and the distance data can be obtained at the same time and at the same place to the maximum, the accuracy rate for measuring data and the working efficiency can be improved, and the inconvenience of switching the devices manually is avoided while a photometer and a diastimeter are sequentially adopted for measuring.

The invention discloses an automatic cleaning device for a blind. The automatic cleaning device includes: a signal acquisition module, a communication module and an execution mechanism, wherein the signal acquisition module includes an ultrasonic temperature measuring system, a photosensitive diode photometric system, a humidity sensor and a slave device; the execution mechanism includes a mater device, a display screen and a driving motor; the ultrasonic temperature measuring system is used for measuring indoor temperature; the photosensitive diode photometric system is used for measuring indoor illuminance; the humidity sensor is used for measuring indoor humidity; the slave device sends measured data acquired by the signal acquisition module to the master device of the execution mechanism via the communication module, and the master device controls, according to the measured data, the driving motor to execute corresponding operations; the measured data includes the indoor temperature, the indoor illuminance and the indoor humidity; and the corresponding operations include: opening and closing the blind, adjusting blade angles and cleaning the blind. The automatic cleaning deviceprovided by the invention can be utilized to clean the blind automatically.

An incubator includes a rotating incubator rotor. The incubator rotor is provided with a plurality of element chambers which are arranged along the outer periphery of the incubator rotor and each of which accommodates a dry analysis element spotted with a sample and incubates the dry analysis element. A light measuring system has a light measuring head which measures the optical density of the dry analysis element. The light measuring system is provided with a correction system which compensates for fluctuation in the value of the optical density of the dry analysis element in each of the element chambers as measured by the light measuring head generated due to fluctuation in the distance between the light measuring head and the element chamber on the basis of a correction value which has been stored in the correction system element chamber by element chamber.