Abstract: A motorized window treatment has a headrail, a first operable rail and a second operable rail, a driving device, a distance detection circuit, a receiving circuit and a motor control circuit. The motor control circuit is coupled with the receiving circuit and the distance detection circuit for configuring the driving device to move the first operable rail and the second operable rail according to the signals received by the receiving circuit. When the receiving circuit receives a command signal to move the second operable rail towards a target position and the first operable rail locates between the second operable rail and the target position, the motor control circuit configures the driving device to move the second operable rail and the first operable rail collectively towards the target position.

Abstract: A window covering includes a headrail, a covering material located below the headrail, a rotating member connected to the covering material and provided in the headrail, a motor provided in the headrail and coupled to the rotating member, and a control device provided in the headrail and electrically connected to the motor. The headrail has a longitudinal direction. The rotating member is adapted to drive the covering material to expand or collapse. The motor drives the rotating member to rotate. When a moving speed of a lower end of the covering material decreases and such a situation lasts for a predetermined time, the control device controls the motor to stop operating. Whereby, no matter whether the covering material is fully expanded, fully collapsed, or encounters resistance somewhere in between, the motor can be stopped.

Abstract: A window covering includes a housing, a covering material, a spindle, and a driving device. The spindle and the driving device are provided at the housing. The driving device includes a motor having a shaft, and an epicyclic gearing decelerating device having an input end and an output end connected to the shaft and the spindle, respectively. Whereby, the spindle can drive the covering material to expand or to collapse. The epicyclic gearing decelerating device includes a ring portion and at least a planet gear assembly which is coupled between the input end and the output end. The planet gear assembly includes a plurality of planet gears having a Shore A durometer hardness of 45-90, which is rotatable along the fixedly provided ring portion. While being driven to move, a lower end of the covering material moves at a speed higher than 65 mm per second.

Abstract: A method of controlling multiple electric window coverings includes the following steps: A. receive a check command, which is created from an electronic device operated by the user; B. compare battery levels of batteries of the electric window coverings to at least one power threshold; C. control the electric window coverings based on a comparison result obtained in the previous step, wherein, when the battery level of the battery of any one of the electric window coverings is greater than the power threshold, said electric window covering makes a first response; when the battery level of the battery of any one of the electric window coverings is less than the power threshold, said electric window covering makes a second response. Whereby, the user could learn the battery level of the battery of each of the electric window coverings from the response it makes.

Abstract: An electric window covering has a covering material, a driving device, a microcontroller, a position detecting module and a trigger detecting module. The position detecting module detects a position of a lower end of the covering material to generate a position information. The microcontroller compares the position information with a reference position to generate a position relationship with respect to the reference position. The trigger detecting module detects whether the covering material is moved by an external force for generating a detecting result. When the microcontroller determines that a trigger event is received according to the detecting result, the microcontroller configures the driving device to move the covering material according to the position relationship and the trigger event.

Abstract: An electric window covering is disclosed, which has a motorized assembly for controlling a movement of a covering material, a rechargeable battery for providing electric power to the motorized assembly, an electric power input at an overhead frame coupled with the rechargeable battery, and a separable charging device. The separable charging device has an electrical connector, a conductor and an electric power output provided at an extension object for charging the rechargeable battery through the electric power input. The separable charging device further has a first fixing structure at the extension object adapted to engage with a second fixing structure at the overhead frame for charging the rechargeable battery. After the extension object and the overhead frame are disengaged, the rechargeable battery still provides electric power to the motorized assembly for controlling the movement of the covering material.

Abstract: A charging system for an electric window covering, which includes a motorized assembly controlling the movement of the electric window covering, and a power supply device including a rechargeable power unit and a first remaining power detection circuit is disclosed. The charging system comprises a charging device which provides power to the power supply device, a comparison module, and a notification unit. The first remaining power detection circuit detects the potential magnitude of the power unit, and the detected value is transmitted to the comparison module to be compared. If the potential magnitude is less than a predetermined threshold, a warning is presented at a notification unit. By actively presenting the warning to the user when the power of the power unit is low, the power supply device and the charging system can achieve the objectives of providing an active notification and extending the run-time of the power unit.

Abstract: A motorized window treatment has a headrail, a first operable rail and a second operable rail, a driving device, a distance detection circuit, a receiving circuit and a motor control circuit. The motor control circuit is coupled with the receiving circuit and the distance detection circuit for configuring the driving device to move the first operable rail and the second operable rail according to the signals received by the receiving circuit. When the receiving circuit receives a command signal to move the second operable rail towards a target position and the first operable rail locates between the second operable rail and the target position, the motor control circuit configures the driving device to move the second operable rail and the first operable rail collectively towards the target position.

Abstract: A window covering includes a headrail, a covering material located below the headrail, a rotating member connected to the covering material and provided in the headrail, a motor provided in the headrail and coupled to the rotating member, and a control device provided in the headrail and electrically connected to the motor. The headrail has a longitudinal direction. The rotating member is adapted to drive the covering material to expand or collapse. The motor drives the rotating member to rotate. When a moving speed of a lower end of the covering material decreases and such situation lasts for a predetermined time, the control device controls the motor to stop operating. Whereby, no matter whether the covering material is fully expanded, fully collapsed, or encounters resistance somewhere in between, the motor could all be stopped.

Abstract: A window covering includes a housing, a covering material, a spindle, and a driving device. The spindle and the driving device are provided at the housing. The driving device includes a motor having a shaft, and an epicyclic gearing decelerating device having an input end and an output end connected to the shaft and the spindle, respectively. Whereby, the spindle can drive the covering material to expand or to collapse. The epicyclic gearing decelerating device includes a ring portion and at least a planet gear assembly which is coupled between the input end and the output end. The planet gear assembly includes a plurality of planet gears having a Shore A durometer hardness of 45-90, which is rotatable along the fixedly provided ring portion. While being driven to move, a lower end of the covering material moves at a speed higher than 65 mm per second.

Abstract: An electric window covering is disclosed, which has a motorized assembly for controlling a movement of a covering material, a rechargeable battery for providing electric power to the motorized assembly, an electric power input at an overhead frame coupled with the rechargeable battery, and a separable charging device. The separable charging device has an electrical connector, a conductor and an electric power output provided at an extension object for charging the rechargeable battery through the electric power input. The separable charging device further has a first fixing structure at the extension object adapted to engage with a second fixing structure at the overhead frame for charging the rechargeable battery. After the extension object and the overhead frame are disengaged, the rechargeable battery still provides electric power to the motorized assembly for controlling the movement of the covering material.

Abstract: A charging system and a method of charging an electric window covering are disclosed. The electric window covering includes a power supply device and an electric power input, which is provided in a frame and coupled to the power supply device. The charging system includes a charging device, which includes an extension object, an electric power output, and a power storage device which stores a power. The electric power output and the power storage device are respectively connected to the extension object, which is erectable in a longitudinal direction thereof. When the charging device is connected to the frame and suspended therefrom, the power of the power storage device is transmitted to the electric power output through the extension object, and then provided to the electric power input, whereby to charge the power supply device. Therefore, the method can be easily performed with said charging system.

Abstract: A charging system for an electric window covering, which includes a motorized assembly controlling the movement of the electric window covering, and a power supply device including a rechargeable power unit and a first remaining power detection circuit is disclosed. The charging system comprises a charging device which provides power to the power supply device, a comparison module, and a notification unit. The first remaining power detection circuit detects the potential magnitude of the power unit, and the detected value is transmitted to the comparison module to be compared. If the potential magnitude is less than a predetermined threshold, a warning is presented at a notification unit. By actively presenting the warning to the user when the power of the power unit is low, the power supply device and the charging system can achieve the objectives of providing an active notification and extending the run-time of the power unit.

Abstract: A remote control used for opening and closing a covering assembly of an electric window treatment includes a main body, which includes a fixed unit, a rotating unit, and a detector. The fixed unit includes a first input unit which can be pressed. When the first input unit is pressed, it generates a first input signal to control the movement of the covering assembly. The rotating unit surrounds an external periphery of the fixed unit, and is rotatable relative to the fixed unit. The detector detects the rotation of the rotating unit relative to the fixed unit, and accordingly generates a second input signal to control the movement of the covering assembly. Whereby, a user can control the covering assembly in either way, and therefore the remote control is more flexible and convenient than conventional remote controls.

Abstract: A control system for a shutter is disclosed. The shutter includes a force-bearing mechanism and a plurality of slats. The control system includes a power source, a driving device connected to the power source to output a first driving force, which drives the force-bearing mechanism to rotate the slats, and a clutch mechanism, which includes an input member and an output member which are drivable to be connected together for synchronous operation, or to be mutually disconnected for independent operation. When the driving device outputs the first driving force, the input member is engaged with the output member, and the first driving force can be transmitted to the force-bearing mechanism through the clutch mechanism to rotate the slats. When the driving device stops, the input member is disengaged from the output member, and the slats and the force-bearing mechanism are rotatable relative to the driving device.

Abstract: A control system for a shutter is disclosed. The shutter includes a force-bearing mechanism and a plurality of slats. The control system includes a power source, a driving device connected to the power source to output a first driving force, which drives the force-bearing mechanism to rotate the slats, and a clutch mechanism, which includes an input member and an output member which are drivable to be connected together for synchronous operation, or to be mutually disconnected for independent operation. When the driving device outputs the first driving force, the input member is engaged with the output member, and the first driving force can be transmitted to the force-bearing mechanism through the clutch mechanism to rotate the slats. When the driving device stops, the input member is disengaged from the output member, and the slats and the force-bearing mechanism are rotatable relative to the driving device.

Abstract: A charging system and a method of charging an electric window covering are disclosed. The electric window covering includes a power supply device and an electric power input, which is provided in a frame and coupled to the power supply device. The charging system includes a charging device, which includes an extension object, an electric power output, and a power storage device which stores a power. The electric power output and the power storage device are respectively connected to the extension object, which is erectable in a longitudinal direction thereof. When the charging device is connected to the frame and suspended therefrom, the power of the power storage device is transmitted to the electric power output through the extension object, and then provided to the electric power input, whereby to charge the power supply device. Therefore, the method can be easily performed with said charging system.

Abstract: A power storage and supply method for a power adapter includes determining whether the power adapter is connected to an external power source; if yes, further determining whether the power adapter is connected to an electronic device; if yes, selecting to charge the electronic device or a battery module built in the power adapter; determining whether a physical quantity of the power adapter reaches a first reference value; and, if yes, selecting to charge the electronic device and/or the battery module. The power adapter includes a microcontroller that uses the physical quantity of the power adapter to determine charging sequence, so that the power adapter is not interfered and limited by incompatible device signal control and can be directly used to charge any electronic device while automatically switching among different charging operation states to complete charging of the electronic device and the built-in battery module in increased charging efficiency.

Abstract: A sheet ejection mechanism including a sheet ejection roller capable of rotating along a selective direction and having an arc portion and a plane portion, the arc portion and the plane portion forming a D-shape cross-section, and a pinch member configured at a position adjacent to the sheet ejection roller, wherein a recording medium is clamped and conveyed between the pinch member and the arc portion of the sheet ejection roller, and a gap is formed between the plane portion and the pinch member for allowing the recording medium to pass. Also, the present invention provides a duplex sheet feeding system having the sheet ejection mechanism.