Abstract: A tact switch has a seat body which has a housing compartment for housing a first conductive electrode and a second conductive electrode, a first elastic element located in the housing compartment above the first and the second conductive electrodes, a press set located in the housing compartment above the first elastic element, and a closure body fastened to the seat body to cover the housing compartment. The press set further includes a hat body which has a coupling section and a second elastic element coupled with the coupling section. The coupling section has an opening and a directing section formed on the periphery of the opening with an inner diameter greater than the coupling section, and a chamfered edge located between the directing section and the coupling section to facilitate insertion and assembly of the second elastic element in the coupling section.

Abstract: A blade server module for simultaneously installing a plurality layers of small servers in a front and rear array fashion to form a supercomputer for processing a large amount of data mainly includes a casing which have holding units divided to form retrieval spaces for housing the small servers, a radiator located in the casing and an outer lid located on the upper side of the casing. The server module may house and couple a plurality of small servers to form a supercomputer for processing a large amount of data.

Abstract: A piezoelectric ceramic transistor is formed from a single-layered or multi-stacked layers piezoelectric ceramic voltage transformer and a capacitor, the capacitor being series connected to an input terminal of the piezoelectric ceramic voltage transformer to prevent electric power and prevent loss due to feedback, thereby compensating and increasing vibrations of the piezoelectric ceramic voltage transformer. Alternatively, the above connection scheme is achieved by either serial connecting a capacitor between a power output of the transformer and a load terminal, or parallel connecting a first capacitor to a power input of the transformer while a second capacitor is series connected between a power output of the transformer and the load terminal to obtain an increased power and thereby increasing the load current.

Abstract: An improved bridge structure for keyboards consists of a first linkage element and a second linkage element pivotally engaging with each other. The first linkage element and second linkage element have respectively a pivotal trough which have respectively a pivotal trough slant surface section on the bottom section, and an axle which have respectively an axle slant surface section on the bottom section. The two slant surface sections intersect to form a fulcrum. The fulcrums remain stationary at the center to serve as the circle center of movements such that moving tolerances are unchanged when the key cap is depressed downwards. And the movements are performed based on the stationary center points which support and transfer forces in sideward directions to reduce sideward inclination and shaking.

Abstract: An improved switch consists of a seat, a button key, a first elastic element, a second elastic element, and a cap. The switch offers users pushing or depressing operations to control switching or selection of various function and may give users more touching sense during operations.

Abstract: A multi-processor control device is adapted for use in a power supplying apparatus having a plurality of power supplying units, and includes at least two separate processors adapted to be connected to the power supplying units, and an alarm generator connected to the processors. The processors are adapted to jointly perform control functions associated with status monitoring and load balancing control of the power supplying units. The processors are connected to each other and further perform a continuous verification operation, in which signal exchange between the processors is continuously executed to enable each of the processors to verify whether or not other ones of the processors are operating normally. Each of the processors is capable of generating a warning signal in the event that any one of the processors fails to respond thereto due to malfunctioning of the latter. The alarm generator is activated by the warning signal from any of the processors so as to generate a warning output.

Abstract: A reciprocal switch includes a shell with a stopper located therein, a connecting unit located on two sides of the stopper for generating circuit signals, two conducting units having movable contacts located on two sides of the stopper and engaged with an elastic element, and a displacement unit located between the two conducting units and exposed outside the shell. The displacement unit may be moved when subject to an external force to move the conducting units moving to either side to press the connecting unit on one side to generate circuit signals.

Abstract: A blade server module for simultaneously installing a plurality layers of small servers in a front and rear array fashion to form a supercomputer for processing a large amount of data mainly includes a casing which have holding units divided to form retrieval spaces for housing the small servers, a radiator located in the casing and an outer lid located on the upper side of the casing. The server module may house and couple a plurality of small servers to form a supercomputer for processing a large amount of data.

Abstract: An improved switch consists of a seat, a button key, a first elastic element, a second elastic element, and a cap. The switch offers users pushing or depressing operations to control switching or selection of various function and may give users more touching sense during operations.

Abstract: A direction-control switch module. The module includes a cross-channel disposed in an inner wall of an upper cover and an opposite base respectively, as well as a control set disposed between the upper cover and the base. A common pin and plurality connecting pins extend to the hub or terminals of the cross-channel in the base. An actuation portion includes a center hole being protrusively disposed in the upper cover in an axial line defined by the center of the upper cover and the base. The control set further includes a pushbutton having an axial hole and a spherical portion, a shaft, and resilient members. When force is applied to the shaft to enable the spherical portion in the actuation portion to displace in a specified direction, this enables a depression piece extended from the spherical portion to move downward to depress and contact a connecting pin for output of a distinct direction signal to control displacement of a screen cursor.

Abstract: A switch comprises a seat, a key body, a first elastomer, a second elastomer, and a cover. A neck portion of the key body has an assembling portion, and the assembling portion is installed with the light generator. As the key body is pushed, the second elastomer will contact the cover; the positive (negative) power connected to a conductive piece will be transferred to the positive (negative) end of the light generator. At the same time, the first elastomer contacts internal wires of a first receiving portion so as to provide negative (positive) power to the negative (positive) ends of the light generator. Then, electric signals are outputted and the light generator lights up.

Abstract: An improved directional switch mainly utilizes a piece of elastic member to form a single elastic structure to couple with a conductive member to construct a small size directional switch that is easy to assemble. The structure includes a base block coupling with a lid, and a control unit and the conductive member located in the bas block. The base block has contact terminals and a common contact terminal located at the bottom thereof. Applying a force on the control unit to depress the conductive member, the conductive member will be moved downwards to connect one contact terminal and the common contact terminal to output a directional signal.

Abstract: A switch comprises a seat, a key body, a first elastomer, a second elastomer, and a cover with an elastic portion thereon. When the key body is pushed by an applied force, an electric signal is generated for being outputted for controlling switching and various of selection functions. A neck portion of the key body has a concave portion, a plurality of convex portions are formed on the concave portion. When the key body is pushed by an applied force, the selection of icons or switching of the window can be executed. The convex point slides on the convex portions so as to generate voices; thereby, the use feeling that the switch is pressed.

Abstract: A keyboard illumination structure. The structure includes a base board, a circuit board, an elastic member, a bridge mechanism, a key cap and a centralized lighting element located in the keyboard. The lighting element may generate light to pass through the keyboard for indicating the positions of the button keys, vital keys or function keys so that users may locate the required keys rapidly.

Abstract: An improved keyboard structure consists of a lower plate, a membrane circuit, an upper plate, a bridge means, an elastic element and a key cap. The lower plate has a set of symmetrical first latch sections and a set of retaining sections formed at selected locations corresponding to the first latch sections. The upper plate has a set of symmetrical second apertures corresponding to the first latch sections and a set of symmetrical second latch sections corresponding to the second apertures. There are openings in front of the second latch sections for housing the retaining sections. The bridge means has a first pivotal end insertable in a biased manner into a space formed between the second latch section and the retaining sections and a second pivotal end latching to the first latch sections such that the bridge means can be assembled on the upper plate and the lower plate in single direction.

Abstract: A keypad structure of the present invention comprising a keypad and a magnetic unit within the keypad; wherein an inserting opening of the magnetic unit extends out of the keypad. Thereby, a user inserts a magnetic disk into the magnetic unit to pass through the keypad for writing data in the magnetic disk to a computer or reading data in the computer to the magnetic disk.

Abstract: An improved keyboard structure consists of a lower plate, a membrane circuit, an upper plate, a bridge means, an elastic element and a key cap. The lower plate has a set of symmetrical first latch sections and a set of retain section formed at selected locations corresponding to the first latch sections. The upper plate has a set of symmetrical second apertures corresponding to the first latch sections and a set of symmetrical second latch sections corresponding to the second apertures. There are openings in front of the second latch sections for housing the retain sections. The bridge means has a first pivotal end insertable in a bias manner into a space formed between the second latch section and the retain sections and a second pivotal end latching to the first latch sections such that the bridge means can be assembled on the upper plate and the lower plate in single direction. The upper plate may be pushed to move the second latch sections away from the first pivotal end for removing the bridge means.

Abstract: A calculator device mainly adds an additional calculator device capable of processing numeric data to the circuits of a keypad. When the keypad is linked to a computer, the keypad can be used to enter operation commands to the computer to perform processes desired, also can be switched to calculator function to perform numeric calculation when a switch button key (or switch) on the keypad is depressed.

Abstract: A joystick 3 includes a circuit board 1, a thin film circuit 2 arranged on the circuit board 1, a joystick 3 on the thin film circuit 2, and a spacer 4 arranged between the thin film circuit 2 and the circuit board 1. By the joystick 3, the thin film circuit 2 is in contact with the circuit board 1 so that resistor are connected in parallel so as to reduce the resistance to control the direction and speed of the cursor precisely. As the rod 37 is pushed by an outer force, the pit 36 on the movable body 34 presses one of the joint points 12 and 22. Then, the joint points 12 and 22 will transfer a signal of the resistor, and thus, the movement of the control cursor can be controlled.