Abstract: Disclosed is a method for manufacturing a film. 50 wt % to 85 wt % of a first polyester and 50 wt % to 15 wt % of a second polyester are dried and mixed to form a mixture. The first polyester is polyethylene terephthalate (PET), polyethylene naphthalate (PEN), or combinations thereof. The second polyester is copolymerized of 1 part by mole of terephthalic acid, m parts by mole of 1,4-cyclohexanedimethanol (1,4-CHDM), n parts by mole of 1,3-cyclohexanedimethanol (1,3-CHDM), and o parts by mole of ethylene glycol (EG). m+n+o=1, 0?o?0.4, 0.6?m+n?1, and 0.06?n/m?1.31. The mixture is melted and blended to form a polyester composition, which is extruded to form a sheet. The sheet is then biaxially stretched to obtain a film. The biaxially stretched film is then treated with a thermal setting.

Abstract: A sensing method for a counterfeit bill detector includes (i) using multiple image-sensing modules to scan multiple pieces of image information of a bill and converting the multiple pieces of image information into multiple values of digital image, (ii) comparing each value of digital image with a pre-stored image threshold value to generate a reference value, (iii) adding the multiple reference values to generate an image validation value, (iv) comparing the image validation value with a pre-stored validation threshold value to acquire a comparison result, and (v) determining if the multiple pieces of image information are valid according to the comparison result. The sensing method tackles the issue of unsynchronized actions in bill sensing and bill scanning and simultaneously eliminates the problem of distorted scanned bill image arising from entry of misaligned bill to improve accuracy in bill validation.

Abstract: An imaging optical lens system includes six lens elements, the six lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has positive refractive power. The third lens element has an image-side surface being concave in a paraxial region thereof. The fifth lens element has an object-side surface and an image-side surface being both aspheric. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one convex critical point in an off-axial region thereof.

Abstract: An imaging optical lens system includes six lens elements, the six lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has positive refractive power. The third lens element has an image-side surface being concave in a paraxial region thereof. The fifth lens element has an object-side surface and an image-side surface being both aspheric. The sixth lens element has an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one convex critical point in an off-axial region thereof.

Abstract: The present disclosure provides an optical imaging lens, comprising, in order from an object side to an image side: a first lens element with positive refractive power having an image-side surface being convex in a paraxial region thereof; a second lens element; a third lens element having positive refractive power; a fourth lens element; a fifth lens element with positive refractive power having an object-side surface being concave in a paraxial region thereof, an image-side surface being convex in a paraxial region thereof, and both the object-side surface and the image-side surface being aspheric; and a sixth lens element having an image-side surface being concave in a paraxial region thereof, at least one convex shape in an off-axial region on the image-side surface, and both an object-side surface and the image-side surface being aspheric. There are a total of six lens elements.

Abstract: An optical imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex. The second lens element has negative refractive power. At least one of two surfaces of the fourth lens element has at least one inflection point, and the two surfaces thereof are aspheric. The fifth lens element has an object-side surface being convex and an image-side surface having at least one inflection point, and the two surfaces thereof are aspheric. The sixth lens element has an image-side surface being concave, wherein the image-side surface of the sixth lens element has at least one convex shape in off-axial region, and the two surfaces thereof are aspheric.

Abstract: An optical image assembly includes six lens elements, which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The second lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has positive refractive power. The sixth lens element has negative refractive power.

Abstract: An image capturing assembly includes six lens elements, the six lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has positive refractive power. The fourth lens element with positive refractive power has an image-side surface being convex. The fifth lens element has an image-side surface being concave. The sixth lens element has an image-side surface being concave, wherein the image-side surface of the sixth lens element includes at least one inflection point.

Abstract: An alarm triggering method for a sensor and an electronic device using the same are proposed. The method is applicable to an electronic device and includes the following steps. A sensor signal is received from the sensor. Whether a signal magnitude of the sensor signal satisfies a first triggering condition associated with a first determination threshold is determined. In response to the signal magnitude satisfying the first triggering condition, whether the signal magnitude satisfies a second triggering condition associated with a second determination threshold or a third triggering condition associated with a time determination threshold is further determined, where the second determination threshold is greater than the first determination threshold. When the signal magnitude satisfies the second triggering condition or the third triggering condition, the sensor is determined to be in an alarm state so as to output an alarm signal.

Abstract: A device for detecting thickness and thickness variation of a sheetlike object, includes at least a first guiding component and a plurality of second guiding components, deviation between the first guiding component and the second guiding components occurs while the sheetlike object passed through among the first guiding component and those second guiding components; a elastic member, having a first elastic displacement end, a second elastic displacement end and a elastic member fixed surface, both of the first elastic displacement end and the second elastic displacement have a plane disposed thereto and served to connect with each side of a movable elastic member, while the elastic member fixed surface is to fix the elastic member; and a displacement sensor is configured to detect a displacement of a side face on the first elastic displacement end. The present invention has the ability to raise the accuracy of the thickness and thickness variation detection.

Abstract: A photographing optical lens system includes five lens elements which are, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The second lens element has positive refractive power. The third lens element has negative refractive power. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface thereof has at least one convex critical point in an off-axial region thereof, the object-side surface and the image-side surface thereof are aspheric.

Abstract: A sensing method for a counterfeit bill detector includes (i) using multiple image-sensing modules to scan multiple pieces of image information of a bill and converting the multiple pieces of image information into multiple values of digital image, (ii) comparing each value of digital image with a pre-stored image threshold value to generate a reference value, (iii) adding the multiple reference values to generate an image validation value, (iv) comparing the image validation value with a pre-stored validation threshold value to acquire a comparison result, and (v) determining if the multiple pieces of image information are valid according to the comparison result. The sensing method tackles the issue of unsynchronized actions in bill sensing and bill scanning and simultaneously eliminates the problem of distorted scanned bill image arising from entry of misaligned bill to improve accuracy in bill validation.

Abstract: An optical photographing lens system, includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The second lens element has an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof. The third lens element has positive refractive power. The fourth lens element has positive refractive power. The fifth lens element has negative refractive power. The optical photographing lens system has a total of five lens elements.

Abstract: An optical imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element has negative refractive power. The fourth lens element with negative refractive power has a concave object-side surface. The fifth lens element with negative refractive power has a convex object-side surface and a concave image-side surface, and the image-side surface of the fifth lens element has at least one convex shape in an off-axis region thereof. The sixth lens element has a convex object-side surface and a concave image-side surface, and the image-side surface of the sixth lens element has at least one convex shape in an off-axis region thereof.

Abstract: The present disclosure provides a photographing optical lens system comprising five lens elements, the five lens elements being, in order from an object side to an image side: a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof, a second lens element having positive refractive power, a third lens element having negative refractive power, a fourth lens element having positive refractive power, and a fifth lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof with at least one convex critical point in an off-axial region thereof, both of an object-side surface and the image-side surface thereof being aspheric.

Abstract: A parameter tuning method of an unknown proportional-integral-derivative (PID) controller is provided. The unknown PID controller is replaced with the control algorithm of the generic controller to perform the optimal parameter tuning to obtain the target parameter of the generic controller. The unknown PID controller is set with a first parameter group so that the corresponding input signal, the control signal and the output signal are measured for performing the parameter identification procedure of the generic controller to obtain a second parameter group of the generic controller. When the second parameter group is not within a specification range of the target parameter, the first parameter is re-calculated and modified by a direct search method in accordance with the difference between the second parameter group and the target parameter for setting the unknown PID controller again, and then the input signal, the control signal and the output signal are measured again.

Abstract: A video playback method and a video playback apparatus are provided. The object path extraction module of the video playback apparatus extracts at least one object path from an original video. The video synthesizing module of the video playback apparatus selectively adjusts said object path, so as to synthesize the object path into the synthesis video. The video synthesizing module determines the time length of the synthesis video based on the playback time length set by user, wherein the time length of the synthesis video less than the time length of the original video.

Abstract: A photographing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The third lens element with positive refractive power has an object-side surface being convex and an image-side surface being concave in a paraxial region thereof. The fourth lens element with negative refractive power has an object-side surface being concave and an image-side surface being convex in a paraxial region thereof. The fifth lens element has an image-side surface being concave in a paraxial region thereof. The sixth lens element has an object-side surface being convex and an image-side surface being concave in a paraxial region thereof.

Abstract: An optical imaging module includes six lens elements, the six lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has negative refractive power. The second lens element has an image-side surface being concave. The third lens element has an image-side surface being convex. The fourth lens element has positive refractive power. The fifth lens element with negative refractive power has an object-side surface being concave and an image-side surface being convex. The sixth lens element has an image-side surface being concave, wherein an object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element includes at least one inflection point.