190 results about "Flickering light" patented technology

A flameless candle that releases a volatile active includes at least one LED positioned in a tip (106), a cartridge mount (128), and a support structure (102, 141). The at least one LED emits a flickering light that emulates a flame of a candle. The cartridge mount (128) receives and secures a replaceable cartridge (104a) containing a volatile active to be released into the atmosphere over time. The support structure (120, 141) supports the at least one LED and the cartridge mount (128). The support structure (120, 141) is configured to allow airflow across the replaceable cartridge (104a) when the replaceable cartridge (104a) is mounted in the cartridge mount (128).

A flameless candle that releases a volatile active includes at least one LED positioned in a tip (106), a cartridge mount (128), and a support structure (102, 141). The at least one LED emits a flickering light that emulates a flame of a candle. The cartridge mount (128) receives and secures a replaceable cartridge (104a) containing a volatile active to be released into the atmosphere over time. The support structure (120, 141) supports the at least one LED and the cartridge mount (128). The support structure (120, 141) is configured to allow airflow across the replaceable cartridge (104a) when the replaceable cartridge (104a) is mounted in the cartridge mount (128).

Visual or photic stimuli generating methods, devices and control systems for inducing steady-state visual evoked potential (SSVEP) from human viewers without causing discomfort to the viewers or distorting the embedding images are disclosed. The control system includes a stimuli-generating device and an electroencephalography (EEG) sensing device. The stimuli-generating device includes a first and a second light source. The first light source generates a flickering light with a first wavelength while a second light source generates another flickering light with one or more wavelength(s) differ from that of the first one. Together, the light sources generate visual / photic stimuli flickering above their critical flicker fusion threshold while maintaining the colorfulness and hue of the embedding images. At least one electrode of the EEG sensing device is connected to each viewer, configured to receive and analyze his / her EEG signals in order to detect and determine his / her responses to the stimuli.

A light and substance emitting device (100) includes a light source (106), an emitter (108) a power source (118), control circuitry (110,112), and a support structure (102, 104, 134). The light source (106) emits a flickering light that emulates a flame of a candle. The emitter (108) emits a volatile active. The power source (118) supplies power to the light source (106) and to the emitter (108). The control circuitry (110,112) controls at least one of (i) the light source (106) to flicker and (ii) the emitter (108) to emit the volatile active. The support structure (102, 104, 134) supports the light source (106), the emitter (108), the power source (118) and the control circuitry (110, 112).

The ANS of a subject is continuously monitored to obtain the sympathetic nervous system (SNS) and parasympathetic nervous system (PSNS) components of the autonomous nervous system while an external stimulus is applied to the subject having a frequency that sweeps across a frequency band. The stimulus may be a vibration, flickering light or sound. The ANS is determined to have entered into a state of homeostasis when the SNS component equals the PSNS component. The value of frequency that corresponds to the state of homeostasis is selected as the fundamental frequency of the subject for use in subsequent treatment protocols.

The invention provides a camera device and a flickering detecting method for the camera device. Under a condition that the frame rate and the frequency of the flickering light source are synchronous, high-precision flickering detection can be realized. A camera element having an electronic shutter function is enabled to take shooting actions in a predetermined period. Whether flickering element is contained in light of a shot object or not is detected according to camera output obtained the camera outputs obtained in different integral time and in same integral time at different time points.

The specification and drawings present a new method, apparatus and software product for reducing flicker effects in electronic devices (e.g., a video camera, a camera-phone mobile device, a portable electronic device, etc.) by reducing an optical intensity of a video image received by the electronic device. It is determined by the electronic device whether a flicker light source is present and if predetermined conditions are met. As long as that is the case, an optical attenuation of a video image taken by the electronic device is provided using a predetermined criterion and a video signal of the video image is generated by the electronic device using an exposure time substantially equal to or a multiple of an inverse of a flicker frequency.

Warming apparatus by which aroma is released without combustion, and related methods, are disclosed which can be used safely, free of combustion and related pollution, to provide authentic visual imagery of a simulated candle flame, wherein a concealed heating source is substantially remotely spaced from and well below an exposed tower-mounted light source and flickering light is transmitted to the user through a spaced surrounding translucent chimney.

The invention relates to a visual drive method, control method and control system of a brain wave human-computer interface. In the visual drive method, a plurality of flickering light sources are displayed for user observation, and different phase codes are made for the flash time sequence of the flickering light sources by utilizing time delay; and the visual evoked potential of a user is triggered by the flash time sequence for subsequent control, and the purpose of increasing system use comfort is achieved.

The invention discloses an intelligent car light device capable imaging on a road surface, which comprises an information acquisition processing system (1), an information processing system (3) and an intelligent car light (5) capable of imaging on the road surface. The information acquisition processing system (1) transmits acquired information to the information processing system (3) for processing. The information processing system (3) transmits processed information to the intelligent car light (5) capable of imaging on the road surface, so that the intelligent car light (5) is capable of imaging on the road surface forms faculae with brightening, darkening or flickering light rays on a specific area. The intelligent car light (5) capable of imaging on the road surface comprises a light source, an entrance convex lens or a lens set arranged before the light source, and a mirror for reflecting light transmitting through the convex lens or the lens set to jitter, rotate or both jitter and rotate. The intelligent car light device is used for automotive vehicles to prevent opposite foot passengers or drivers from dazzling during meeting, mainly solves the problem of car light dazzling, and can also generate the faculae on the road surface to call attention of the drivers so as to reduce traffic accidents.

A mental fatigue detection device for detecting mental fatigue without arbitrariness using a flickering light includes: a light-emitting unit (1) for emitting a flickering visible light; a lighting unit (2) for emitting an infrared ray; an imaging unit (3) for taking an infrared image; and a control unit (4); wherein: the light-emitting unit (3) presents a test subject a flickering visible light with its frequency changing monotonically and stepwise; the imaging unit (3) captures an image of a region containing an eye of the test subject; the control unit (4) finds a pupil diameter of an image of the eye contained in each frame image of the captured image as time-series data, finds a threshold frequency of the test subject at the time of the measurement based on the variation in the pupil diameter and compares the threshold frequency with a threshold frequency when the test subject has no mental fatigue, thereby determining that whether the test subject has mental fatigue.

The present invention is an apparatus for indicating valid data in a removable memory media. In an embodiment of the invention, an alert may be employed with the removable media, such as NVRAM, to indicate that the battery backup is functional and that the memory content may be valid. One type of alert may be a blinking light source, such as a blinking light emitting diode (LED). In a another aspect of the present invention, contents of an appliance, such as a computer or storage controller, may be arranged so that an alert employed on the removable memory media in accordance with the present invention may be visible to an administrator without opening the chassis of the appliance.

The invention discloses a novel dual-energy X-ray imaging detector. The novel dual-energy X-ray imaging detector comprises a composite flicker body, wherein the composite flicker body is composed of two different sheet flicker bodies. One kind of flicker body is used for absorbing high-energy X-rays in a dual-energy X-ray and producing flickering light. The other kind of flicker body is used for absorbing low-energy X-rays in the dual-energy X-ray and producing flickering light. An optical module is located between the composite flicker body and an imaging sensor. The flicker light produced by the composite flicker body is enabled to form an image on the imaging sensor. The imaging sensor is used for detecting optical field distribution of the image formed on the light-sensitive surface of the imaging sensor and converting the image into a digital image. Three-dimensional spatial distribution information of flicker lighting points is obtained after arithmetic processing is carried out on the digital image. According to the novel dual-energy X-ray imaging detector, image formation of flicker light produced in a flicker body of a continuous structure is available, and the problems that high system complexity and low detection efficiency and the like caused by an independent flicker body array structure are solved.

The invention discloses a nuclear detection device which comprises a flicker unit, a micro-optics unit, a photovoltaic conversion device and an image collecting and data processing unit, wherein the flicker unit is made of organic or inorganic crystals or thin film materials and is used for converting incidence beams into flicker light, and the converted flicker light is radiated to the micro-optics unit; a unit lens is used for generating a unit image of an object and the image is received by the photovoltaic conversion device; the photovoltaic conversion device is used for converting the received unit image into a two-dimensional data electric signal and transmitting the unit image to the image collecting and data processing unit; and the image collecting and data processing unit is used for acquiring, storing and processing the two-dimensional data electric signal obtained by the photovoltaic conversion device, and carrying out data reconstruction according to an optical path structure of the device so as to obtain the position that a photon is generated in the flicker unit. With the adoption of the device, the requirements on the flicker materials are reduced, the three-dimensional information about the position that the flicker light is generated in the flicker materials is obtained directly, the position identification can be realized and at the same time energy identification ability is provided, so that the performance of the nuclear detection device is improved.

The invention discloses low-power-consumption underwater position indicating light beacon equipment, comprising a shell, a lamp holder and a glass shield, wherein a circuit board and a watertight socket connected with the circuit board through a wire are arranged inside the lamp holder, the joint of the lamp holder and the glass cover is provided with a lamp holder circular ring, a rubber gasket and a sealing ring and forms a sealing shell of an underwater position indicating light beacon with the watertight socket, the watertight socket resists water pressure and can be directly contacted with external water, the internal circuit board is fixedly arranged on the lamp holder through a separation sleeve, the watertight socket introduces an external direct current power supply to the internal circuit board, and the internal circuit board can output flicker light signals with certain frequency under the external power supply condition, so that light position indicating, warning and target discovery and identification for an underwater robot or related equipment are realized. The low-power-consumption underwater position indicating light beacon equipment is simple in structure, low in power consumption and far in position indication distance, and can work in deepwater.

An image-taking apparatus performs a correct dimming process while eliminating an influence of flickers in the case of image taking by use of flash light under a flicker light source that exhibits intensity variation of illumination light at a commercial power source frequency of 50 Hz or 60 Hz. A time period of 50 milliseconds is defined as a process cycle as zero points coincide with each other between those of the two frequencies. An amount of light received from an object field is obtained in a first 50-millisecond interval after a full-press action, and an amount of preliminary light emission is obtained in a second 50-millisecond interval. An appropriate amount of light for main light emission is obtained in a third 50-millisecond interval. In this way, main light emission is performed at an accurate amount of light emission.

The invention discloses a double-layered jacquard home textile fabric with a perspective effect and a manufacture method thereof. The double-layered jacquard home textile fabric comprises an upper tissue structure and a lower tissue structure interwoven together, wherein the upper tissue structure consists of upper warps and upper wefts interwoven together; and the lower tissue structure consistsof lower warps and lower wefts interwoven together. The double-layered jacquard home textile fabric is characterized in that the upper warps, the upper wefts and the lower warps are selected from white polyester or nylon single yarns with the yarn count of 20-30 D; the white polyester or nylon single yarn has a bright triangular cross section; and the lower wefts are selected from regenerated cellulose fiber yarns, cotton yarns or the blended yarns prepared from regenerated cellulose fibers and the cotton fibers with the yarn count of 16-40 S. Accordingly, the fabric has the perspective effect similar to chiffon, and is soft and comfortable. In addition, the double-layered jacquard home textile fabric can flicker light, and is glaring like diamonds spread on the bed after being made to bedding products, thereby achieving a good decorative effect.

The present invention discloses an infrared clinical thermometer device, wherein the ear thermometer casing has at least three light indicators; according to the measured temperature value, the microprocessor inside the casing generates a control signal and outputs the control signal to one of the light indicators; the control signal enables the light indicator to emit light to indicate to the user the state of the measured body temperature. In the present invention, light of different colors are used to indicate to the user the state of the measured body temperature; thus, the user can learn whether the body temperature is in the health state or in a fever state without watching the display but directly from the color of the emitted light; therefore, the operational convenience is greatly promoted. Further, in the present invention, a light source can be arranged beside the display, and the light source can emit a flickering light or a light of a specific color to illuminate the display to make the user read the measured temperature value easily; besides, the user can learn the state of the body temperature directly from the color of the light.

The invention discloses a light effect control method and device, a television base and a television. The light effect control method comprises the steps of: obtaining a digital signal of current audio; forming light effect control data corresponding to the current audio according to the digital signal; and generating light effect corresponding to the current audio. The digital signal of the current audio is converted into light effect control data, and the light effect matched with the current audio is generated, therefore, the television can generate a flickering light effect with the audio when music or a television program is played so that the light effect function is increased, has more entertainment and interestingness, and is more fashionable and attractive.

Devices and methods for adjusting an exposure window of a rolling shutter based on a frequency determined from ambient light gathered by a bimodal component are disclosed. Flickering light sources may cause artifacts in captured images, due to interplay between a period of a frequency of ambient light and the exposure window. An image capture device includes a semiconductor component configured to operate in two modes and an exposure window control component configured to compensate for the flickering based on a signal from the light source. In a sensor mode, the semiconductor component may operate to detect the frequency of ambient light. To avoid image artifacts, the frequency of the ambient light is analyzed and an exposure time is adjusted to an integer multiple of the period of the frequency such that exposure is matched to the periodic illumination of the flickering light source.

An imaging apparatus includes a photometric sensor, and can continuously acquire a plurality of images by a single imaging operation. A CPU for image processing and an arithmetic operation acquires image data output by a photometric sensor and performs photometric processing. The CPU determines presence or absence of a flicker light source using a plurality of pieces of acquired image data, and calculates a motion vector of an object by comparison of image data. If it is determined that there is a flicker light source in a photographing environment, gain adjustment is performed on the basis of a result of flicker detection so as to have a brightness of an image suitable for detection of a motion vector, and the motion vector is calculated using image data after gain adjustment.

An image pickup apparatus capable of reducing influence of flicker while suppressing delay of start of photographing. An image pickup device and a photometric sensor pick up images of an object. A CPU obtains images by controlling driving of one of the device and the sensor to perform charge accumulation and charge readout. Further, the CPU detects a flicker frequency and a flicker phase of a flicker light source, and stores them in a memory as first information. When photographing, if the CPU determines that the first information is not valid, an ICPU obtains images by controlling driving of the other of them to perform charge accumulation and charge readout. Further, the ICPU detects the flicker frequency and the flicker phase and stores them in a memory as second information. The CPU controls exposure timing according to the second information to perform photographing.

An automatically rotatable lamp ball includes a power unit provided with a motor having its downward shaft driving two rollers to rotate and its upward shaft driving a lamp arm to rotate. The lamp arm is disposed thereon with a plurality of LEDs, and the integral body of the power unit and the lamp arm is received in the interior of a transparent outer casing and actuated to rotate therein for pushing the outer casing to roll freely at the same time. When the lamp arm is actuated to rotate, the LEDs installed thereon will simultaneously give out flickering lights in sequence and at intervals and, due to visual persistence, presenting freely movable stereoscopic light patterns or letters. So the invention is innovative and exclusively original in structure and having excellent entertaining effect.

The invention discloses a high-altitude bird repeller for a power iron tower. The high-altitude bird repeller comprises a fixing frame, a power windmill and a simulated bird, wherein the fixing frame comprises a base and a supporting rod; a fixing hole is formed in the base; and one end of the supporting rod is connected with the base, and the other end of the supporting rod is connected with the simulated bird. Fan blades drive a fan to mechanically charge a storage battery; and meanwhile, a movable rod drives wings to flutter, a storage battery supplies power to a sound production device and a light emitting device, the sound production device can produce a loud eagle sound, and the light emitting device can emit flickering light, so that the aim of effectively repelling birds is fulfilled. The high-altitude bird repeller for the power iron tower is simple in structure, economical and practical.

The invention provides an underwater light curing system. The underwater light curing system is capable of carrying out secondary curing on products being subjected to photocuring 3D printing, so thatthe curing effect is improved, and the product crispness is avoided. The embodiment provides a technical scheme of the underwater light curing system, and comprises a box body and a light curing machine inner box which is arranged in the box body; the light curing machine inner box comprises a reflector box and a transparent water tank which is internally arranged in the reflector box; and at least one ultraviolet light assembly are arranged on the reflector box, and the ultraviolet light assembly faces the transparent water tank and is used for generating flickering light.