Abstract: A method for calibrating a flat panel display comprising the following steps is provided. First, initialize a flat panel display and an optical meter. Provide a predetermined period of delay. Use the flat panel display to display a test pattern. Provide another predetermined period of delay. Use the optical meter to get measured data from the test pattern repeatedly until enough data for analysis is gathered. Repeat the step of displaying the test patterns until all test patterns have been displayed. Finally, analyze all the measured data to calculate the correct parameters for the control circuit of the flat panel display and set the parameters of the control circuit to the correct values.

Abstract: A method suitable for calibrating the deviation of opto-electronic conversion functions (OECFs) in an imaging apparatus is provided. The method of calibrating the deviation of OECFs comprises the following steps. First, the imaging apparatus captures a first image. Next, the imaging apparatus performs an image calibration process with respect to the first image to capture a second image and simultaneously obtain an OECF set. The OECF set includes at least an optical characteristic value of the second image and at least an electrical characteristic value of the imaging apparatus. Finally, the aforementioned steps are repeated to obtain a number of images and their corresponding OECF sets.

Abstract: The present invention relates to a filter having a filter housing and a filter cartridge mutually interacted with one another. The present invention is to provide the filter with the mutually interacted filter housing and filter cartridge. When the filter housing is loosened from a base, the filter housing and the filter cartridge are pulled out together so as to provide the convenience of replacing the filter cartridge.

Abstract: A pressure container includes a first casing, a second casing, and a sealing member. A deformable membrane is mounted in the first casing, defining a water chamber that is communicated with a water inlet in the first casing. An air chamber is delimited by the deformable membrane and the second casing. The sealing member includes an inner ring, an outer ring surrounding the inner ring, and a connecting ring connecting the inner ring with the outer ring. The inner ring, the outer ring, and the connecting ring together define a first groove and a second groove respectively on two sides of the connecting ring. A flange on an end of the deformable membrane and an open end of the first casing are sealingly received in the first groove. An open end of the second casing is sealingly received in the second groove.

Abstract: This invention relates to a chair, particularly to one provided with a massage device positioned in a seat, backrest, thigh rest or armest. The massage device is composed of a frame and massage roller unit consisting of plural rows of massage rollers fixed in the frame. Two pivotal plates are provided with a center shaft hole for center shaft and two shaft holes respectively for a center shaft and two independent shafts to fit pivotally therein and string each row of the massage rollers. The center shaft is pivotally connected with the inner side of the frame, enabling the massage roller device rotate with the center shaft as a pivot. So when a user rests the body on the massage device, he/she shifts the body to get massage function by the massage surface of the massage roller device.