Abstract: A magnetic scaling and positioning scroll wheel of a mechanical mouse is revealed. The scroll wheel includes a circular scaling-and-positioning surface with a plurality of magnetic division portions that is rotated with a rotating shaft thereof coaxially and synchronously. A scaling-and-positioning member disposed with at least one scaling-and-positioning portion is corresponding to and magnetically attracted by each magnetic division portion of the circular scaling-and-positioning surface. The scaling-and-positioning portion is released from the previous magnetic division portion and then magnetically attached to the adjacent magnetic division portion in turn continuingly when the circular scaling-and-positioning surface is rotated with the scroll wheel coaxially and synchronously. Thus users can operate the scroll wheel of the mechanical mouse more precisely.

Abstract: A mouse with an adjustable sensing module is revealed. The mouse includes a mouse body with a round opening on a bottom surface thereof, a rotatable outer ring set on the round opening of the mouse body, a rotatable inner ring mounted in the outer ring, and a disk having a sensing module and vertically moveable in the inner ring. The disk is driven to move vertically relative to the inner ring for adjusting height of the sensing module relative to the working surface when the inner ring is rotated an angle clockwise or counterclockwise relative to the outer ring. The angle of the sensing module relative to a computer screen is adjusted when the outer ring is rotated an angle relative to the round opening of the mouse body and the inner ring together with the disk is rotated the angle along with the outer ring.

Abstract: A magnetic scaling and positioning scroll wheel of a mechanical mouse is revealed. The scroll wheel includes a circular scaling-and-positioning surface with a plurality of magnetic division portions that is rotated with a rotating shaft thereof coaxially and synchronously. A scaling-and-positioning member disposed with at least one scaling-and-positioning portion is corresponding to and magnetically attracted by each magnetic division portion of the circular scaling-and-positioning surface. The scaling-and-positioning portion is released from the previous magnetic division portion and then magnetically attached to the adjacent magnetic division portion in turn continuingly when the circular scaling-and-positioning surface is rotated with the scroll wheel coaxially and synchronously. Thus users can operate the scroll wheel of the mechanical mouse more precisely.

Abstract: A mouse with an adjustable sensing module is revealed. The mouse includes a mouse body with a round opening on a bottom surface thereof, a rotatable outer ring set on the round opening of the mouse body, a rotatable inner ring mounted in the outer ring, and a disk having a sensing module and vertically moveable in the inner ring. The disk is driven to move vertically relative to the inner ring for adjusting height of the sensing module relative to the working surface when the inner ring is rotated an angle clockwise or counterclockwise relative to the outer ring. The angle of the sensing module relative to a computer screen is adjusted when the outer ring is rotated an angle relative to the round opening of the mouse body and the inner ring together with the disk is rotated the angle along with the outer ring.

Abstract: A touch screen pen with cleaning function is revealed. The touch screen pen includes a pen body, at least one cleaning part and a drive mechanism. The pen body consists of a receiving space, a touch control end, a first opening and a second opening. The cleaning part is mounted in the receiving space and is able to be moved out and in through the first opening. The drive mechanism is arranged at the second opening and is connected to the cleaning part. By the drive mechanism, users can drive the cleaning part to move out through the first opening for wiping touch screens. Then the cleaning part is moved into the pen body for storage after being used.

Abstract: This invention presents a method, a system, and a conversion device for wireless communications for the hosts of Human Interface Device (HID hosts), the system thereof comprises at least one host equipped with HID host as first electronic device, such as desktop computer, tablet PC, network TV and so on; at least one host equipped with HID host as second electronic device, such as cell phone, tablet PC, or other mobile devices; and at least one conversion device for wireless communication, which is externally connected to or internally embedded in, and mechanically attached to and electronically linked to the first electronic device, reports that the first electronic device being equipped HID and enables the second electronic device converted to a HID via the conversion device for wireless communication, thereby communicates wirelessly with the first electronic device, and further controls or performs input function to the first electronic device.

Abstract: A key-free mouse includes a top cover and a bottom cover connected to each other through a pivotal connection of locking pins to locking slots. The locking pins and the locking slots are respectively provided at inner side of the top and the bottom covers at front and rear ends of a longitudinal axis thereof, so that the top cover is pivotally turnable about the longitudinal axis by a predetermined degree relative to the bottom cover to actuate a left or a right switch provided in the mouse. Elastic elements such as springs are provided in the mouse separately at predetermined positions for providing the top cover with suitable supporting elasticity to recover from a pivotally turned and laterally inclined position.

Abstract: A one-hand-holding aid for tablet personal computer (PC) mainly includes a handhold member pivotally connected at a proximal end to a back of a tablet PC. The handhold member is provided at the proximal end with a tightness-adjustable fastening band for conveniently binding around a user's wrist or elbow. The user may stably and safely hold the tablet PC with only one hand by gripping at the handhold member and binding the fastening band around the wrist or elbow, and turn the tablet PC to any desired direction and angle during operation without the risk of dropping the tablet PC. Even with the handhold member, the tablet PC may still be used on a desktop and connected to a keyboard as desired.

Abstract: A key-free mouse includes a top cover and a bottom cover connected to each other through a pivotal connection of locking pins to locking slots. The locking pins and the locking slots are respectively provided at inner side of the top and the bottom covers at front and rear ends of a longitudinal axis thereof, so that the top cover is pivotally turnable about the longitudinal axis by a predetermined degree relative to the bottom cover to actuate a left or a right switch provided in the mouse. Elastic elements such as springs are provided in the mouse separately at predetermined positions for providing the top cover with suitable supporting elasticity to recover from a pivotally turned and laterally inclined position.