Abstract: The present invention is to provide a temperature control switch, comprising a switch casing, which contains a springy slice, where the springy slice is provided with a thermostatic bimetal strip on its bouncing end. The thermostatic bimetal strip is provided with an electric heating device, where the first end and second end of the device are respectively connected in series between a first control terminal and the thermostatic bimetal strip. The elevated end of the thermostatic bimetal strip links one end of an uplifted metal slice to form an incompletely fixed link point, while the other end of the uplifted metal slice features a swaying contact, which corresponds to the contact point that a second control terminal joins. The uplifted metal slice joins a springy element at its middle portion, where the springy element is fixed in the switch casing.

Abstract: This invention is to provide an instant insertion and extractable wire connector, comprising a shell, a clip, at least two wire extracting chunks, an insert and a cover. One side of the clip is extended to form at least two separated curved segments, and an arc is located next to the curved segments, where its bottom end forms a holding edge. And each curved segment has an enhanced tendon. The wire extracting chunks are placed at the shell, where its inner end inserted in the corresponding cavity has a top indent, for pressing the holding edge of the clip for the extraction purpose. Its middle part is provided with a clasp chunk at a side to confine the moving distance of the wire extracting chunk. The outer end is provided with a push end for the pushing purpose. Accordingly, this invention can accomplish promptness in the insertion and extraction of an electric wire.

Abstract: A current limiter includes a circuit device including a power supply transformation circuit to transform a power supply, a detection circuit to detect and transform a load current of a load into an output voltage, a control circuit to interrupt a connection between the power supply and the load according to the output voltage, a reset switch circuit to connect the power supply with the load, and a protection circuit including a warning element. Thus, when the power of the load exceeds a predetermined value, the current limiter will shut the power supply automatically to turn off the load to prevent the load from being worn out due to an excessive load current and to turn on the warning element to inform a user of the overload of the load.

Abstract: The present invention is to provide an energy saving lamp holder, structurally comprising a body, a set of conducting spring leaves, a set of elastic articles, an anti-backspin guide plate and a positioning plate. When installing an energy saving bulb by inserting the conducting terminals of the bulb in the positioning grooves of the positioning plate for a twist, the anti-backspin guide plate is pressed to move inward and back soon. The anti-backspin guide plate and the contact plate of the conducting spring leaf jointly seize the conducting terminals and refrains the bulb from being back spinning. The energy saving lamp holder disables electric conduction before the completion of the installation of a bulb, which further ensures no possibility of careless electric shock.

Abstract: A fast plugging power line connector includes a female body, a male body, two plugging plates, two line connecting bases and two terminal clips. The female body has a locking projection, a separating wall to divide it into two plugging grooves. The male body has a separating wall to divide it into two terminal grooves, and a restricting projection with a locking hook used to lock together with the locking projection. The plugging plates are fixed in the plugging grooves, respectively having two line-clipping grooves to clamp a power line. The two line connecting bases are inserted in the female body. The terminal clips are installed in the terminal grooves of the male body. With the locking hook of the male body locked with the locking projection of the female body, the power line connector is conveniently and safely assembled by a consumer.

Abstract: The present invention provides a circuit and method for playing back digital data in a displayer, which is used to reduce the power consumption of a computer host, and by configuring a digital playback circuit in the displayer to make the video data itself being directly played back with the displayer. Thus, even the CPU of the computer host is not energized, the user himself still can operate the display to achieve the playing back of the digital video data, so that the user still can obtain different playing back interfaces to reduce the power consumption of computer host, and minimize the possible loss of computer working time.

Abstract: The invention is to provide a switch lamp holder, which comprises: a core, having a switch control element stretched from its lateral and a set of penetrating orifices which are residing at the oblique areas of the core, and joining a hollow chamber at its one end; a cover, having a through hole at its top and a hollow chamber at its bottom to conceal the core with an joint, and having a slot at its lateral to allow the passage of the switch control element; and a positioning plate, offering a set of posts at its top, capable of joining the penetrating orifices, and a set of positioning grooves, for accommodating a set of conducting spring slices, and the conducting spring slices is provided with a connecting cord to extend upward to join said core.

Abstract: A detachable lamp socket includes a top cover, a mounting plate secured on the top cover, a housing detachably mounted on the mounting plate, a base secured in the housing, a circuit board mounted in the housing and supported by the base, and a locking rod movably mounted in the base and having a first end extended through the circuit board and the housing and retractably extended into the mounting plate to lock the housing onto the mounting plate. Thus, the housing can be rotated relative to the mounting plate to detach the housing from the mounting plate for maintenance of the lamp socket.

Abstract: An electronic current limiter includes a power supply transformation circuit to transform an alternating-current power supply into a direct-current power supply, a current detection circuit to sense and detect a current from the input terminals of the power supply transformation circuit and a detection control circuit to turn on or off the power supply according to an output signal of the current detection circuit. Thus, when the load current of the lamp is increased to exceed a predetermined value, the power supply to the lamp is interrupted to turn off the lamp so as to prevent the lamp from being worn out due to an excessive load current.

Abstract: A lamp socket includes a first shell, a second shell combined with the first shell, a separation plate rested on a bottom of the first shell and the second shell, a base secured to the separation plate, an electronic unit mounted in the first shell and electrically connected to the base to supply an electric current to the base, a light-regulating unit mounted in the second shell and electrically connected to the electronic unit to regulate the electric current from the electronic unit to the base. Thus, the electronic unit is used to provide a current to light the electric bulb, and the light-regulating unit is used to regulate the current value of the electric bulb, so that the lamp socket has a stageless light-regulating function.

Abstract: An electricity limit protection switch includes a relay, a sample-hold circuit having a current mutual inductor and an operational amplifier, and a compare and execution circuit having a plurality of operational amplifiers to operate the signal from the sample-hold circuit and a control element to control operation of the relay according to operation of the operational amplifiers so as to turn on or turn off the relay. Thus, the electricity limit protection switch can achieve an electricity limit protection purpose by sensing the magnitude of the current passing through the load.

Abstract: A lamp socket includes a first shell, a second shell combined with the first shell, a separation plate rested on a bottom of the first shell and the second shell, a base secured to the separation plate, an electronic unit mounted in the first shell and electrically connected to the base to supply an electric current to the base, a light-regulating unit mounted in the second shell and electrically connected to the electronic unit to regulate the electric current from the electronic unit to the base. Thus, the electronic unit is used to provide a current to light the electric bulb, and the light-regulating unit is used to regulate the current value of the electric bulb, so that the lamp socket has a stageless light-regulating function.

Abstract: A detachable lamp socket includes a top cover, a mounting plate secured on the top cover, a housing detachably mounted on the mounting plate, a base secured in the housing, a circuit board mounted in the housing and supported by the base, and a locking rod movably mounted in the base and having a first end extended through the circuit board and the housing and retractably extended into the mounting plate to lock the housing onto the mounting plate. Thus, the housing can be rotated relative to the mounting plate to detach the housing from the mounting plate for maintenance of the lamp socket.

Abstract: A line switch able to modulate light includes an upper cover, a lower cover and a rotary selector positioned between the upper and the lower cover. When the rotary selector is turned clockwise, the line switch can turn on and modulate light to be half bright, and when the rotary selector is further continuously turned clockwise, light can be modulated to be fully bright, but when the rotary selector is further turned clockwise again to return to the original position, the line switch will be under an OFF condition again. Thus the line switch has two stages of different lighting in addition to the function of turning on and off.

Abstract: A lamp holder includes a body provided with a recessed room, a metal helical cylinder fitted in the recessed room for a lamp bulb to screw with. The body has a through hole vertically in the body, and an elastic conductive unit is positioned in the through hole. A central conductor is fixed at the bottom side of the body, located at one side of the through hole and connected with one terminal of electricity. The elastic conductive unit consists of a coil spring and a conductive rod fitted around by the coil spring. The conductive rod has its lower end normally separated from the central conductor by the elasticity of the coil spring. Unless a lamp bulb is screwed in the helical cylinder completely, it cannot push down enough the conductive rod to let electricity get through to light up the lamp bulb. Thus the safety of the lamp holder is enhanced.

Abstract: An ground fault circuit interrupter includes two conductive wires, an AC-DC converter, a switch circuit, two annular magnets each having a induction coil, a signal treating and controlling circuit, a manual switch driving circuit, and an electronic switch driving circuit. The switch circuit is connected in series with the conductive wires for cutting off power to the output terminals of the conductive wires. The signal treating and controlling circuit electrified by the AC-DC converter receives signals from the conductive wires and sends out its controlled signal. The connecting point of the input of the switch circuit and the output of the signal treating and controlling circuit is connected in parallel with a manual switch driving circuit and an electronic switch driving circuit, for keeping safety of the electricity between the input of power and the output or a load.

Abstract: A compact fluorescent lampholder includes a fundamental base and a holder body combined together. The fundamental base is provided with a female thread post inside. Electric current is transmitted to two conducting members beside the female threaded post. The holder body is fixed with a center male-threaded post on the topside to be combined with the female threaded post and two conducting posts beside the center threaded post. The conducting posts contacts with the conducting members for receiving electric current after the center male-threaded post is combined with the female threaded post. The conducting posts transmits electric current to a circuit board in the socket body and then to the conducting posts of a CFL under the holder body for starting the CFL to give out light. The holder body and the fundamental base can be separated for facilitating installing of CFLs.

Abstract: A cover for terminal screws of a receptacle, which has plug holes with a positive and a negative pole connected with terminal screws with a power line, is composed of a pivotal column, a locking hook and a cover case. The pivotal column is fixed on a sidewall of the receptacle, having a pivotal pin on its top and its bottom. The locking hook is fixed on the other side of the pivotal column on the sidewall. The cover case has a flat projection on the top and the bottom of its inner side, with each flat projection bored with a locking hole, and a locking bar with a rear opening provided at its other side. Then the pivotal pins may insert in the pivotal holes of the flat projections, and the locking bar is to lock with the locking hook, which is then to be confined in the opening, enabling the cover case to close stably on the terminal screws.

Abstract: A compact fluorescent lampholder includes a cap, a shell, an electric board and a base. The cap and the shell are combined together by hooking, and the electric board is combined with the base by plural pins, and then the electric board assembled together with the base is inserted in a hollow space of the shell. A compact fluorescent lamp (CFL) is to be inserted in a groove in the base. Then wires are connected properly between the electric board and electric power so as to light up a CFL fitted in the base. The shell is easily separated from the cap to fall down a little owing to some spare preset length of the wires so it is convenient to replace a CFL or to repair the socket.

Abstract: A halogen lampholder includes a base, a locking spring, two clipping members, two sliding members, a bottom cover, an outer shell and an outer ring. The base is assembled with the locking spring, the clipping members and the sliding members and then, with the bottom cover and the outer shell orderly. The base has a vertical plugging chamber for a fitting portion and two conducting teeth of a lamp to plug in. The locking spring clamps the fitting portion of the lamp. The clipping members connect with the conducting teeth. The sliding members are placed in the base to restrain the locking spring. The bottom cover restrains the locking spring and the clipping members. The outer shell covers the bottom cover, combined with an outer ring and a power-wire tube for a power wire to pass through and reach the clipping members.