Abstract: An electronic device includes: a casing, including a first side surface and a second side surface parallel to each other; a positioning column, including a first end portion and a second end portion having a first plane and a first convex portion; and an operating member, assembled on the casing and corresponding to the positioning column, and including a push portion having a second plane and a second convex portion. When the operating member is at a first position, the first convex portion correspondingly presses against the second plane, the second convex portion correspondingly presses against the first plane, and the first end portion is accommodated in the casing. When the operating member is at a second position, the first convex portion correspondingly presses against the second convex portion, and the first end portion protrudes from the first side surface of the casing.

Abstract: A photo-controlled light includes an electrical power input port configured to receive electrical power, a light emitting unit that is connected to the electrical power input port and a photosensitive timer module that connects the light emitting unit to the electrical power input port. The photosensitive timer module includes a photosensitive switch unit including a photosensitive element that is configured to detect a light level that satisfies a luminosity threshold value, a timing switch unit coupled to the photosensitive switch unit that is configured to only connect the electrical power input port to the light emitting unit for a conduction time frame responsive to the photosensitive switch unit detecting that the light level is less than the luminosity threshold value so that the photosensitive timer module transmits electricity during the conduction time frame when the luminosity detected by the photosensitive element is less than the luminosity threshold value.

Abstract: A photo-controlled light includes an electrical power input port configured to receive electrical power, a light emitting unit that is connected to the electrical power input port and a photosensitive timer module that connects the light emitting unit to the electrical power input port. The photosensitive timer module includes a photosensitive switch unit including a photosensitive element that is configured to detect a light level that satisfies a luminosity threshold value, a timing switch unit coupled to the photosensitive switch unit that is configured to only connect the electrical power input port to the light emitting unit for a conduction time frame responsive to the photosensitive switch unit detecting that the light level is less than the luminosity threshold value so that the photosensitive timer module transmits electricity during the conduction time frame when the luminosity detected by the photosensitive element is less than the luminosity threshold value.

Abstract: A photo-controlled light includes an electrical power input port configured to receive electrical power, a light emitting unit that is connected to the electrical power input port and a photosensitive timer module that connects the light emitting unit to the electrical power input port. The photosensitive timer module includes a photosensitive switch unit including a photosensitive element, a control switch and a timing switch unit. The timing switch unit is coupled to the photosensitive switch unit and is configured to connect only the electrical power input port to the light emitting unit for a conduction time frame responsive to the photosensitive switch unit detecting that the light level is less than the luminosity threshold value so that the photosensitive timer module transmits electricity during the conduction time frame when the luminosity detected by the photosensitive element is less than the luminosity threshold value.

Abstract: A photo-controlled light includes an electrical power input port configured to receive electrical power, a light emitting unit that is connected to the electrical power input port and a photosensitive timer module that connects the light emitting unit to the electrical power input port. The photosensitive timer module includes a photosensitive switch unit including a photosensitive element that is configured to detect a light level that satisfies a luminosity threshold value. The photosensitive timer module also includes a control switch and a timing switch unit.

Abstract: A portable computer support structure is constructed to include a base member, a support arm fastened pivotally with the base member, a back-stick plate pivoted to the base member and adapted to adjustably support the support arm above the base member in a standing position, a step-less pivoting device affixed to the top side of the support arm and holding a step-less shaft, and a support block fastened to the step-less shaft and adapted to support a portable computer for enabling the portable computer to be rotated with the step-less shaft relative to the support arm to adjust the view angle and to prevent the problem of reflection of light of the display screen.

Abstract: A portable computer and base member arrangement having a base member and a portable computer is disclosed. The base member has two stop flanges protruded upwardly from the top face in two rear corners and adapted to engage two recessed locating holes of the portable computer after attachment of the portable computer to the base member, and a swinging retainer plate fastened pivotally with the front side and provided with two retaining rods adapted to engage into corresponding retaining holes in the front peripheral side of the portable computer to lock the portable computer to the base member after engagement between the recessed locating holes with protruded retaining portions of the stop flanges of the base member.

Abstract: A support structure of a portable keyboard includes two front support and a rear support. The front supports and the rear support can rotate to two predetermined angles respectively to form a confine within which a portable computer may be placed and supported. The rear support supports a backside of the portable computer, and the front supports push against a lower edge of the portable computer. Furthermore, both the front supports and the rear support can be closed onto an upper surface of the portable keyboard.

Abstract: A rotating display mounting structure includes a rotating display pivotally mounted in an open frame, and two locking mechanisms adapted to lock the rotating display to the open frame. Each locking mechanism includes a top link, a bottom link, a lever coupled between the links and pivoted with a middle part thereof to the cover shell of the rotating display, and an operating member connected to one end of the lever for operation by the user to rotate the lever and to further move the top link and the bottom link into or out of respective recessed locating holes in the top and bottom frames of the open frame and to further lock or unlock the rotating display.

Abstract: A portable computer standing support structure is disclosed to include a base member having a front locating device formed on the top face near the front edge and a rear locating device formed on the top face between the front edge and the rear edge, and a portable computer supported on a support arm at the base member and selectively positioned on the front locating device and rear locating device of the base member between an inclined position of low steepness for use with a touching pen and an inclined position of high steepness for use with a keyboard.

Abstract: A portable computer and portable docking station arrangement includes a portable docking station equipped with a keyboard, a swinging bracket pivoted to the portable docking station, and a portable computer insertable into the swinging bracket in one of two reversed directions for enabling the arrangement to be used as a notebook computer or a tablet PC. A spare battery pack is provided at the portable docking station, and chargeable by external power supply upon insertion of the portable computer into the swinging bracket. Data transmission between the portable docking station and the portable computer may be achieved by a wired transmission method or wireless transmission method.

Abstract: A rotating display mounting structure includes a rotating display pivotally mounted in an open frame, and two locking mechanisms adapted to lock the rotating display to the open frame. Each locking mechanism includes a top link, a bottom link, a lever coupled between the links and pivoted with a middle part thereof to the cover shell of the rotating display, and an operating member connected to one end of the lever for operation by the user to rotate the lever and to further move the top link and the bottom link into or out of respective recessed locating holes in the top and bottom frames of the open frame and to further lock or unlock the rotating display.

Abstract: A portable computer support structure is constructed to include a base member, a support arm fastened pivotally with the base member, a back-stick plate pivoted to the base member and adapted to adjustably support the support arm above the base member in a standing position, a step-less pivoting device affixed to the top side of the support arm and holding a step-less shaft, and a support block fastened to the step-less shaft and adapted to support a portable computer for enabling the portable computer to be rotated with the step-less shaft relative to the support arm to adjust the view angle and to prevent the problem of reflection of light of the display screen.

Abstract: A portable computer and base member arrangement having a base member and a portable computer is disclosed. The base member has two stop flanges protruded upwardly from the top face in two rear corners and adapted to engage two recessed locating holes of the portable computer after attachment of the portable computer to the base member, and a swinging retainer plate fastened pivotally with the front side and provided with two retaining rods adapted to engage into corresponding retaining holes in the front peripheral side of the portable computer to lock the portable computer to the base member after engagement between the recessed locating holes with protruded retaining portions of the stop flanges of the base member.

Abstract: A portable computer standing support structure is disclosed to include a base member having a front locating device formed on the top face near the front edge and a rear locating device formed on the top face between the front edge and the rear edge, and a portable computer supported on a support arm at the base member and selectively positioned on the front locating device and rear locating device of the base member between an inclined position of low steepness for use with a touching pen and an inclined position of high steepness for use with a keyboard.

Abstract: A portable computer and portable docking station arrangement includes a portable docking station equipped with a keyboard, a swinging bracket pivoted to the portable docking station, and a portable computer insertable into the swinging bracket in one of two reversed directions for enabling the arrangement to be used as a notebook computer or a tablet PC. A spare battery pack is provided at the portable docking station, and chargeable by external power supply upon insertion of the portable computer into the swinging bracket. Data transmission between the portable docking station and the portable computer may be achieved by a wired transmission method or wireless transmission method.

Abstract: A support structure of a portable keyboard includes two front support and a rear support. The front supports and the rear support can rotate to two predetermined angles respectively to form a confine within which a portable computer may be placed and supported. The rear support supports a backside of the portable computer, and the front supports push against a lower edge of the portable computer. Furthermore, both the front supports and the rear support can be closed onto an upper surface of the portable keyboard.