TH31552A - Instruments and methodologies for measuring light concentrations - Google Patents

Abstract

DC60 (19/11/40) An accurate approximation of the cathode ray tubes can be performed. The specified image (14) will be displayed on the Set position on the screen of the cathode ray tube Potential difference of Include the lamp's light Cathode rays will change. In the condition that the distance from the position A reference to a specified position in the image can be detected. When there is a change of distance And was displayed on the display instrument (11a), the optical filter will It is arranged in the optical system such as the incident light portion of the sensor (15). As a result of the sensor output (15), the condition is considered to be the exact light-gathering condition, the underexposed condition. Or the condition of excessive light integration and the diameter of the point of the beam will be Calculated from the width of the detectable band, the value of the combined light will be Comes from the judgment that The light gathering condition is too little light gathering condition. An approximation of the cathode ray tube's optimum light integration condition can be performed. The specified image (14) will be displayed on the Set position on the screen of the cathode ray tube Potential difference of The total light of the cathode ray tube will change. In the condition that the distance from the position A reference to a specified position in the image can be detected. When there is a change of distance And was shown on the predetermined display instrument (11a). Optical filters are arranged in the optical system, such as the incident light of the sensor (15). Considered to be an exact lighting condition, an underexposure lighting condition. Or a very light combination condition Too, and the diameter of the spot of the beam will be given a word Calculated from detectable strip widths. The value of the sum of light will be Comes from the judgment that The light gathering condition is too little light gathering condition. Or too much And the calculated spot diameter of the beam

Claims (2)

1. Method of light concentrating For the light source of an image displayed on the screen of a display device with a cathodic lamp. By using a measuring device with a set of lenses. Signal filter Light, and sensors It consists of the following steps: detecting an image displayed on the screen of a tube displayer. Such cathode rays It uses a sensor through the aforementioned lens and optical filters and collects the optical point measurement data obtained from the detected signal. From the said sensor 2. The method for measuring the hot spot as described in Clause 1, where the images are tagged: