Abstract: A method for defect inspection includes receiving a substrate having a plurality of patterns; obtaining a gray scale image of the substrate, wherein the gray scale image includes a plurality of regions, and each of the regions has a gray scale value; comparing the gray scale value of each region to a gray scale references to define a first group, a second group and an Nth group, wherein each of the first group, the second group and the Nth group has at least a region; performing a calculation to obtain a score; and when the score is greater than a value, the substrate is determined to have an ESD defect, and when the score is less than the value, the substrate is determined to be free of the ESD defect.

Abstract: The present invention provides a fractional frequency divider, wherein the fractional frequency divider includes a plurality of registers, a counter, a control signal generator and a clock gating circuit. Regarding the plurality of registers, at least a portion of the registers are set to have values The counter is configured to sequentially generate a plurality of counter values, wherein the plurality of counter values correspond to the at least a portion of the registers, respectively, and the plurality of counter values are generated repeatedly The control signal generator is configured to generate a control signal based on the received counter value and the value of the corresponding register. The clock gating circuit is configured to refer to the control signal to mask or not mask an input clock signal to generate an output clock signal.

Abstract: A hinge assembly for use in a flat display monitor includes a support member, a rotational base and a pivot mechanism for rotatably connecting the rotational base to the support member. The support member includes two first sidewalls, a first resisting surface and a second resisting surface. Each first sidewall defines a pivoting hole. The pivot mechanism includes a pivotal shaft, a limiting washer and a fixing element. The pivotal shaft includes a shaft portion running through the pivoting bole. The pivotal shaft is non-rotatable relative to the support member. The limiting washer includes a first restricting surface and a second restricting surface. The limiting washer is non-rotatable relative to the rotational base with the first restricting surface and the second restricting surface configured for resisting the first resisting surface and the second resisting surface respectively.

Abstract: An exemplary hinge assembly (300) for use in a flat display monitor includes a support member (10), a rotational base (20) and a pivot mechanism (30) for rotatably connecting the rotational base to the support member. The rotational base includes a fixing board (22) and a side board (24) disposed at an end of the fixing board, the side board defining an engaging hole (242) and forming an inwardly bent portion (240) at a distal end edge thereof. The support member includes an extending seat (16) defining a round pivoting hole (1601), and a retaining portion (161) extending from an exterior side of the extending seat. The retaining portion of the side board is configured for blocking the inwardly bent portion of the side board so that a range of rotation of the rotational base relative to the support member is between a first utmost position and a second utmost position.

Abstract: An exemplary hinge assembly (10) includes a base body (12), a bracket (14), a support board (18), a pivotal mechanism (16) and a rotational mechanism. The pivotal mechanism includes a pivotal shaft (163) fixed to the base body and rotatable relative to the bracket, an elastic member (165) and a fixing member (167). The rotational mechanism includes a rotational shaft (191), a rotary member (193), a steady member (195) and an elastic member (197). The support board and the rotary member are rotatable relative to the steady member, the base body, the bracket and the pivotal mechanism around a second axis. Each of the rotary member and the steady member defines an engaging surface (1932, 1951). One of the engaging surfaces forms at least one peak (1933), and the other of the engaging surfaces defines at least one valley (1953) corresponding to the peak.

Abstract: An exemplary hinge assembly includes a shaft, a cam, a pin, a follower, a shift member, a socket, a first spring, and a second spring. A pinhole is defined in the shaft. The cam, the follower, and the shift member are rotatably sleeved on the shaft. The cam has a cam surface and a spiral slot. The pin is disposed in the pinhole and the spiral slot. The follower has an anti-rotating portion and a cam surface for engaging with the cam surface of the cam. The shift member has a controlling portion for slidably engaging with the anti-rotating portion. The first and the second spring are sleeved on the shaft. An end of the first spring resists the follower and another end of the first spring resists the shift member. An end of the second spring resists the follower and another end of the second spring resisting the socket.

Abstract: An exemplary hinge assembly (300) for use in a flat display monitor (400) includes a support member (10), a rotatable base (20) and a pivot mechanism (30) for rotatably attaching the rotatable base and the support member together. The rotatable base includes a fixed board (22) and a side board (24) disposed at an end of the fixed board, and the side board forms a stopper (244). The pivot mechanism is rotatably connected to the rotatable base and non-rotatably connected to the support member. The pivot mechanism includes a pivotal shaft. The pivotal shaft defines a limited guide groove (3013) configured for blocking the stopper of the side board so that a range of rotation of the rotatable base relative to the support member is between a first utmost position and a second utmost position.

Abstract: An exemplary hinge assembly for use in a flat display monitor includes a support member, a rotational base and a pivot mechanism for rotatably connecting the rotational base to the support member. The support member includes two first sidewalls, a first resisting surface and a second resisting surface. Each first sidewall defines a pivoting hole. The pivot mechanism includes a pivotal shaft, a limiting washer and a fixing element. The pivotal shaft includes a shaft portion running through the pivoting hole. The pivotal shaft is non-rotatable relative to the support member. The limiting washer includes a first restricting surface and a second restricting surface.

Abstract: An exemplary hinge assembly (30) includes a main mount (302), a pivot shaft (304), two active friction pieces (308, 309), two fixed friction pieces (306, 307), an elastic assembly (310, 311), and a fixing member (314). The active friction pieces are non-rotatably surrounded on the pivot shaft. The fixed friction pieces are rotatably surrounded on the pivot shaft. One fixed friction piece and one active friction piece are disposed at one side of the main mount and abutting each other. The other fixed friction piece and the other active friction piece are disposed at an opposite side of the main mount and abutting each other. The elastic assembly is surrounded on the pivot shaft and is configured to provide axial force. The fixing member is mounted at one end of the pivot shaft.

Abstract: An exemplary hinge assembly (10) includes a base body (12), a bracket (14), a support board (18), a pivotal mechanism (16) and a rotational mechanism. The pivotal mechanism includes a pivotal shaft (163) fixed to the base body and rotatable relative to the bracket, an elastic member (165) and a fixing member (167). The rotational mechanism includes a rotational shaft (191), a rotary member (193), a steady member (195) and an elastic member (197). The support board and the rotary member are rotatable relative to the steady member, the base body, the bracket and the pivotal mechanism around a second axis. Each of the rotary member and the steady member defines an engaging surface (1932, 1951). One of the engaging surfaces forms at least one peak (1933), and the other of the engaging surfaces defines at least one valley (1953) corresponding to the peak.

Abstract: An exemplary swivel hinge assembly (10) includes a main body (10), a pivot mechanism (16) and a swivel mechanism. The pivot mechanism is connected to the main body and configured to provide the swivel hinge assembly with rotation about a first rotational axis. The swivel mechanism is configured to provide the swivel hinge assembly with rotation about a second rotational axis. The swivel mechanism includes a pivot shaft (189), a friction piece (184) and a pair of elastic pieces (188). The second pivot shaft is rotatably extended through the main body. The friction piece is non-rotatably mounted on the pivot shaft. The elastic pieces are mounted on the main body and elastically resist the friction piece.

Abstract: An exemplary swivel hinge assembly (100) includes a main body (12), a pivot mechanism (16) and a swivel mechanism (15). The swivel mechanism includes a rotatable member (182), a fixing member (184), two bearing balls (185), an elastic piece (186), and a second pivot shaft (189). The rotatable member defines two first bearing grooves (1820). The fixing member defines two second bearing grooves corresponding to the first grooves. The bearing balls are disposed between the rotatable member and the fixing member, and are partly received in the second bearing grooves. The elastic piece is mounted on the main body, elastically resisting the fixing member. The second pivot shaft extends through the main body, the elastic piece, the fixing member, and the rotatable member, and is rotatable relative to the elastic piece, the main body, and the fixing member.

Abstract: An exemplary hinge assembly (100) includes a first body (10), a follower (30), a second body (60), and an elastic element (50). The first body includes a shaft portion (13) and a friction portion (20) located around the shaft portion. The friction portion is non-rotatable relative to the shaft portion. The friction portion includes a curved friction surface (23). The follower includes a curved follower surface (311) and a locking portion (33). The follower is located around the shaft portion and is rotatable relative to the shaft portion. The second body includes a locking portion (616). The locking portion of the follower is engaged in the locking portion of the second body to prevent the follower from rotating relative to the second body. The elastic element is located between the follower and the second body, so as to bias the follower surface against the friction surface.

Abstract: An exemplary hinge assembly (300) for use in a flat display monitor includes a support member (10), a rotational base (20) and a pivot mechanism (30) for rotatably connecting the rotational base to the support member. The rotational base includes a fixing board (22) and a side board (24) disposed at an end of the fixing board, the side board defining an engaging hole (242) and forming an inwardly bent portion (240) at a distal end edge thereof. The support member includes an extending seat (16) defining a round pivoting hole (1601), and a retaining portion (161) extending from an exterior side of the extending seat. The retaining portion of the side board is configured for blocking the inwardly bent portion of the side board so that a range of rotation of the rotational base relative to the support member is between a first utmost position and a second utmost position.

Abstract: A hinge assembly (300) for use in a flat display monitor includes a support member (10), a rotational bracket (20) and a pivot mechanism (30) for rotatably connecting the rotational bracket to the support member. The support member includes an extending seat (16) defining a restricting groove (162) thereof. The pivot mechanism includes a pivotal shaft (301), a torsion spring (302), and a stop (303). The torsion spring is disposed around the pivotal shaft for providing torsion force. The pivotal shaft is fixedly connected to the rotational bracket and rotatably connected to the rotational bracket. The stop is fixed at end of the pivotal shaft and is rotatable in the restricting groove corresponding to rotation of the rotational bracket relative to the support member, with the stop being rotatable between a first utmost position and a second utmost position.

Abstract: An exemplary hinge assembly (100) includes a shaft (10), a follower (20), a cam (30), a sleeve, a first elastic element (60), and a second elastic element (65). The follower having a projection (23) is rotatable in unison with the shaft. The cam has a cam surface (31). The cam is located around the shaft, with the cam surface abutting against the projection. The sleeve is located around the shaft, and is non-rotatable relative to the cam. The first elastic element has a first arm (61) and an opposite second arm (63). The first elastic element is located around the shaft, with the first arm being fixed relative to the sleeve, and the second arm being fixed relative to the shaft. The second elastic element is located around the shaft and abuts against the cam to bias the cam toward the follower.

Abstract: A rotary type hinge assembly for joining a body (310) and a cover (320) of a foldable electronic device has a first axis (A1) and a second axis (A2), and enables the cover open about the first axis and rotate about the second axis. The hinge assembly includes: a housing (210), rotatably attached to the body, and defining a container therein; a spring (220) received in the container; a driven element (230), wherein a first end thereof supports the spring, and a second end thereof has a cam surface (232); a cam (240), being coaxial with the driven element, a cam surface (243) defined on an end thereof including a mountain-shaped portion (244) having a flat surface engaging with the cam surface of the driven element; a rotary shaft (250); and a fixing means (260) for fixing the rotary shaft in the cover; wherein the rotary shaft extend through the cam, the driven element and the spring in that order, and is fixed in the housing.

Abstract: A hinge assembly includes a shaft (1), a prime mover spring (2) having two end portions (22, 23), a case drive member (3) having a cam face (311), a main body drive member (4) having a cam face (411) movably engaged with the cam face of the case drive member, a number of driving pins (5) each having one end abutting the case drive member, and a manual button (8) connected with an opposite end of each driving pin. The two end portions of the prime mover spring are respectively secured in a flange head (12) of the shaft and in the case drive member. The shaft extends through the prime mover spring, the case drive member and the main body drive member thereby integrating the hinge assembly into a complete unit.

Abstract: A rotary type hinge assembly for joining a body (310) and a cover (320) of a foldable electronic device has a first axis (A1) and a second axis (A2), and enables the cover open about the first axis and rotate about the second axis. The hinge assembly includes: a housing (210), rotatably attached to the body, and defining a container therein; a spring (220) received in the container; a driven element (230), wherein a first end thereof supports the spring, and a second end thereof has a cam surface (232); a cam (240), being coaxial with the driven element, a cam surface (243) defined on an end thereof including a mountain-shaped portion (244) having a flat surface engaging with the cam surface of the driven element; a rotary shaft (250); and a fixing means (260) for fixing the rotary shaft in the cover; wherein the rotary shaft extend through the cam, the driven element and the spring in that order, and is fixed in the housing.

Abstract: A hinge assembly includes a shaft (1), a prime mover spring (2) having two end portions (22, 23), a case drive member (3) having a cam face (311), a main body drive member (4) having a cam face (411) movably engaged with the cam face of the case drive member, a number of driving pins (5) each having one end abutting the case drive member, and a manual button (8) connected with an opposite end of each driving pin. The two end portions of the prime mover spring are respectively secured in a flange head (12) of the shaft and in the case drive member. The shaft extends through the prime mover spring, the case drive member and the main body drive member thereby integrating the hinge assembly into a complete unit.