Abstract: A laser inspection system is provided. A laser source emits a laser with a first spectrum and the laser is transmitted by a first optical fiber. A gain optical fiber doped with special ions is connected to the first optical fiber, and a light detector is provided around the gain optical fiber. When the laser with the first spectrum passes through the gain optical fiber, the gain optical fiber absorbs part of the energy level of the laser with the first spectrum, so that the laser with the first spectrum is converted to generate light with a second spectrum based on the frequency conversion phenomenon. The light detector detects the intensity of the light with the second spectrum, so that the power of the laser source can be obtained.

Abstract: A replaceable key structure includes a key holder and a circuit board. The key holder is disposed above a circuit board. The key holder is formed with a mounting slot for selectively receiving a first key module or a second key module therein. A magnetic sensor and a contact connector are disposed on the circuit board positionally corresponding to the mounting slot of the key holder. The first key module has a shaft, and a magnetic element disposed on the bottom of the shaft. The magnetic sensor can output an analog signal when the magnetic element approaches. The second key module has a trigger switch which has two electrical terminals disposed on the bottom surface of the second key module. When the second key module is installed in the mounting slot, the electrical terminals can be electrically connected to the contact connector.

Abstract: A replaceable key structure includes a key holder and a circuit board. The key holder is disposed above a circuit board. The key holder is formed with a mounting slot for selectively receiving a first key module or a second key module therein. A magnetic sensor and a contact connector are disposed on the circuit board positionally corresponding to the mounting slot of the key holder. The first key module has a shaft, and a magnetic element disposed on the bottom of the shaft. The magnetic sensor can output an analog signal when the magnetic element approaches. The second key module has a trigger switch which has two electrical terminals disposed on the bottom surface of the second key module. When the second key module is installed in the mounting slot, the electrical terminals can be electrically connected to the contact connector.

Abstract: A handheld game controller assembly adapted to combine with a portable electronic device includes a game controller, a receiving receptacle and an external retaining device. The game controller has a pair of holding portions and a transversal portion arranged between the pair of holding portions. The receiving receptacle is fixedly configured at a front end of the transversal portion. The external retaining device has a plugging unit removably engaged in and fixed to the receiving receptacle, and a clipping unit connected to the plugging unit for clipping a portable electronic device.

Abstract: An annular headphone includes a pair of speaker modules and a pair of wearing headbands. Each speaker module has a housing, an electroacoustic transducer disposed in the housing and a pair of joining portions. The pair of joining portions are oppositely formed on the housing. Each wearing headband has two ends which are respectively formed with a fixing piece. The two fixing pieces of each wearing headband are dismountably connected to one of the joining portions of each speaker module. The pair of speaker modules are arranged oppositely and disposed between the pair of the wearing headbands, so as to form an annular structure.

Abstract: A mouse includes a housing, a circuit board, at least one switch holder and at least one switch accommodating space. The housing of the mouse has at least one button. The circuit board is configured in the housing of the mouse. The switch holder supports the switch module, and the switch module and the switch holder are accommodated within the switch accommodating space. The housing of the mouse also has a gripper accommodating space, and a gripper is accommodated in the gripper accommodating space.

Abstract: An annular headphone includes a pair of speaker modules and a pair of wearing headbands. Each speaker module has a housing, an electroacoustic transducer disposed in the housing and a pair of joining portions. The pair of joining portions are oppositely formed on the housing. Each wearing headband has two ends which are respectively formed with a fixing piece. The two fixing pieces of each wearing headband are dismountably connected to one of the joining portions of each speaker module. The pair of speaker modules are arranged oppositely and disposed between the pair of the wearing headbands, so as to form an annular structure.

Abstract: A mouse with a removable button switch includes: a release unit, including a bearer mounted on a circuit board of the mouse; a press-fixing and ejection means provided with a press-fixing part and an ejection part; and a press-fixing means, the press-fixing means and the press-fixing and ejection means being oppositely disposed on both sides of the bearer, and the press-fixing means being provided with the press-fixing part. In the mouse with the removable button switch in the present invention, because the button switch is not fixed on the circuit board of the mouse in a welding manner, when the button switch is faulty or a different hand feeling is required, the button switch can be conveniently replaced without causing damage to the mouse.

Abstract: A computer mouse includes a mouse body, a first input unit, and a second input unit. The mouse body includes a first joint portion and a second joint portion, and the first joint portion and the second joint portion are symmetrically arranged with respect to one another. The first input unit includes a first base and a first button disposed on the first base. The second input unit includes a second base and a second button disposed on the second base. The shape of the first base is corresponding to that of the first joint portion and the shape of the second base is corresponding to that of the second joint portion such that the first input unit and the second input unit are interchangeably respectively disposed on the first joint portion and the second joint.

Abstract: A detachable mechanical keyboard includes a first mechanical keyboard and a second mechanical keyboard. The first mechanical keyboard has a first function key section, a first numeric key section, and a first alphabetic key section. The first mechanical keyboard has a first side, and a first connector adjacent to the first side. The second mechanical keyboard has a second function key section, a second numeric key section, and a second alphabetic key section. The second mechanical keyboard has a second side, and a second connector adjacent to the second side. The first mechanical keyboard is detachably assembled with the second mechanical keyboard to form a standard layout keyboard. When the first mechanical keyboard is detached from the second mechanical keyboard, the first mechanical keyboard can be used independently.

Abstract: A computer mouse includes a mouse body, a first input unit, and a second input unit. The mouse body includes a first joint portion and a second joint portion, and the first joint portion and the second joint portion are symmetrically arranged with respect to one another. The first input unit includes a first base and a first button disposed on the first base. The second input unit includes a second base and a second button disposed on the second base. The shape of the first base is corresponding to that of the first joint portion and the shape of the second base is corresponding to that of the second joint portion such that the first input unit and the second input unit are interchangeably respectively disposed on the first joint portion and the second joint.

Abstract: A mouse includes a housing, a circuit board, at least one switch holder and at least one switch accommodating space. The housing of the mouse has at least one button. The circuit board is configured in the housing of the mouse. The switch holder supports the switch module, and the switch module and the switch holder are accommodated within the switch accommodating space. The housing of the mouse also has a gripper accommodating space, and a gripper is accommodated in the gripper accommodating space.

Abstract: A mouse device includes a mouse shell, a switch module, and a key module. The mouse shell has an upper shell and a lower shell, and the upper shell and the lower shell are joined together to form a chamber. The switch module is disposed within the chamber and is suspended from an inner side of the upper shell. The key module is disposed on an outer side of the upper shell. The key module is vertically movable and has a trigger. The trigger enters the chamber through the upper shell to activate the switch module when the key module is clicked.

Abstract: A mouse with interchange capability includes a mouse body, a circuit board, an interchangeable module and a button module. The mouse body has an accommodating space, and the circuit board is disposed within the accommodating space. The interchangeable module is coupled to the circuit board. The button module is disposed on the mouse body and vertically movable. The button module has a trigger that activates the interchangeable module when the button module is clicked.

Abstract: A mouse device includes a mouse shell, a switch module, and a key module. The mouse shell has an upper shell and a lower shell, and the upper shell and the lower shell are joined together to form a chamber. The switch module is disposed within the chamber and is suspended from an inner side of the upper shell. The key module is disposed on an outer side of the upper shell. The key module is vertically movable and has a trigger. The trigger enters the chamber through the upper shell to activate the switch module when the key module is clicked.

Abstract: A mouse with a removable button switch includes: a release unit, including a bearer mounted on a circuit board of the mouse; a press-fixing and ejection means provided with a press-fixing part and an ejection part; and a press-fixing means, the press-fixing means and the press-fixing and ejection means being oppositely disposed on both sides of the bearer, and the press-fixing means being provided with the press-fixing part. In the mouse with the removable button switch in the present invention, because the button switch is not fixed on the circuit board of the mouse in a welding manner, when the button switch is faulty or a different hand feeling is required, the button switch can be conveniently replaced without causing damage to the mouse.

Abstract: A mouse with interchange capability includes a mouse body, a circuit board, an interchangeable module and a button module. The mouse body has an accommodating space, and the circuit board is disposed within the accommodating space. The interchangeable module is coupled to the circuit board. The button module is disposed on the mouse body and vertically movable. The button module has a trigger that activates the interchangeable module when the button module is clicked.

Abstract: A mouse having a digital key and an analog key includes a mouse body having at least one first key and at least one second key, at least one digital switch disposed at a position corresponding to the first key, and at least one analog switch disposed at a position corresponding to the second key. The analog switch has a magnetic element and a magnetic sensor, the magnetic element is connected to the second key, and the magnetic sensor is disposed at a position corresponding to the magnetic element. When the second key is pressed by a user, a relative distance of the magnetic element and the magnetic sensor change, so that a strength of an analog signal output from the analog switch is changed relative to the distance of the magnetic element and magnetic sensor.

Abstract: A waste heat recovery apparatus includes a waste processing module and a heat recovery module. The waste processing module includes a heat exchange unit and a drive unit. The heat exchange unit includes a hollow tubular structure having at least one material inlet, at least one material outlet and a screw mounted axially thereinside. The drive unit rotates the screw to extrude the waste material. The heat recovery module includes a heat storage unit, at least one conveying pipeline and a compression unit. The heat storage unit contains a heat-storing medium for storing thermal energy. The conveying pipeline connected to the heat exchange unit and the heat storage unit allows a working medium to flow through the heat exchange unit and the heat storage unit. The compression unit coupled to the conveying pipeline circulates the working medium to flow in the conveying pipeline.

Abstract: A mouse device with a movable signal input module includes a housing, a control module, and a signal input module. The signal input module is movably disposed in the housing and coupled to the control module. The signal input module includes a roller partially protruding from the housing. The signal input module is linearly movable relative to the housing along a travelling direction to allow the roller to in sync linearly move relative to the housing along the travelling direction.