Abstract: A liquid volume inspection device with improved floating ball is disclosed which comprises an internal pipe, a coil wound about the outside of the internal pipe, an external sleeve, an improved floating ball, a base and an upper fixer, in which a magnetic inductor is accommodated within the improved floating ball, the improved floating ball is installed within the internal pipe, the upper end of the internal pipe is fixedly connected in screw with the upper fixer and the lower end of the internal pipe is fixedly connected to the base; when a liquid flows into the internal pipe, the improved floating ball floats in the internal pipe, thereby forming a smaller contact area between the inner wall of the internal pipe and the improved floating ball, so that the surface of the improved floating ball is not attachable to the inner wall of the internal pipe, and the improved floating ball is allowed to change the position thereof in real-time according to the elevation of the liquid level; then the variation of elec

Abstract: A novel oil pressure sensor includes component parts simply stacked up from bottom to top, namely a main body, a separator, an induction unit, a press board, an electronic circuit and a lid. The main body has an accommodation cavity to accommodate other component parts. An oil inlet pipe which extended downward from the accommodation cavity is covered by the separator to alleviate the impact of the flowing oil to the component parts. A conduction medium filled between the induction unit and the separator contributes to assuring conductance of the oil pressure thereby upgrading measurement sensitivity. The press board contributes to prevention of oil leakage. The electronic circuit sends the measured data to another instrument by simple and reliable plug and receptacle combination.

Abstract: A novel oil pressure sensor includes component parts simply stacked up from bottom to top, namely a main body, a separator, an induction unit, a press board, an electronic circuit and a lid. The main body has an accommodation cavity to accommodate other component parts. An oil inlet pipe which extended downward from the accommodation cavity is covered by the separator to alleviate the impact of the flowing oil to the component parts. A conduction medium filled between the induction unit and the separator contributes to assuring conductance of the oil pressure thereby upgrading measurement sensitivity. The press board contributes to prevention of oil leakage. The electronic circuit sends the measured data to another instrument by simple and reliable plug and receptacle combination.

Abstract: A liquid quantity sensing device which can easily and accurately measure liquid quantity stored in a container is disclosed. It utilizes an infrared ray or a supersonic sensing element associated with a float placed in the measuring tube and an electrical circuit board to indicate the measured result on a gage. The information about position of the float detected by the sensing element is inputted into an electrical circuit board as a return signal where it is analyzed and decipherd and then transformed into a value of the liquid quantity to be indicated by a gage. The device is applicable to various sized container by merely adjusting the tube length. An upper and a lower limits of liquid level may be prescribed, a warning signal can be obtained if the liquid level exceeds either limit.

Abstract: A liquid quantity sensing device which can easily and accurately measure liquid quantity stored in a container is disclosed. It utilizes an infrared ray or a supersonic sensing element associated with a float placed in the measuring tube and an electrical circuit board to indicate the measured result on a gage. The information about position of the float detected by the sensing element is inputted into an electrical circuit board as a return signal where it is analyzed and decipherd and then transformed into a value of the liquid quantity to be indicated by a gage. The device is applicable to various sized container by merely adjusting the tube length. An upper and a lower limits of liquid level may be prescribed, a warning signal can be obtained if the liquid level exceeds either limit.

Abstract: A backlight setting method of an analog instrument panel is provided. Through a cooperation between a microprocessor and an electronic control circuit, the backlight of the analog instrument panel can be cyclically varied. Moreover, the present invention employs the key set mounted outside the instrument panel to be pressed by the user for choosing a favorite backlight color during the backlight of the instrument panel is mixing changed. Furthermore, because the program design in the microprocessor, the illuminating element, through an asynchronous color mixing theory, can provide various colors to be set by the user for complying the backlight of the analog instrument panel with the like and demands of the user.

Abstract: An improved over-running indicator structure essentially comprises an upper housing, a lower housing, a circuit board and a fixing support; the upper housing and the lower housing are firmly connected by a lock device, and the lower housing is fixed on the fixing support; a circuit board is set between the upper housing and the lower housing, the circuit board is configured with a light emitter, a screen and a button, the circuit board uses a transmission line to connect with a tachometer; a driver can use the button to set the rotational speed for showing the rotational speed which is set by the driver on the screen, when the rotational speed of the engine exceeds the rotational speed that is set by the driver, the light emitter disposed on the circuit board shines and radiates the light thereof through the arc surface of the upper housing, thus, the driver feel no constrained to any angle for being readily aware of the optimal shifting time to acquire the best power from engine.

Abstract: A functional indicating meter for cooperating with sensing elements is disclosed. The meter includes a selecting switch, a signal-controlling module, a signal-receiving module, a signal-judging module, a displaying/alarming module and a panel-indicating module. The sensing signals from several similar sensing elements at different locations are simultaneously inputted into the signal-receiving module. Then, through switching of the selecting switch and the signal-controlling module for selecting the sensing signal wanted to receive, this sensing signal will simultaneously be outputted to the panel-indicating module and the signal-judging module. The panel-indicting module will directly display the value of this sensing signal, and simultaneously the signal-judging module will process a value comparison for abnormal ones. If it reveals abnormal, it can notice the user through the displaying/alarming module.

Abstract: An improved over-running indicator structure essentially comprises an upper housing, a lower housing, a circuit board and a fixing support; the upper housing and the lower housing are firmly connected by a lock device, and the lower housing is fixed on the fixing support; a circuit board is set between the upper housing and the lower housing, the circuit board is configured with a light emitter, a screen and a button, the circuit board uses a transmission line to connect with a tachometer; a driver can use the button to set the rotational speed for showing the rotational speed which is set by the driver on the screen, when the rotational speed of the engine exceeds the rotational speed that is set by the driver, the light emitter disposed on the circuit board shines and radiates the light thereof through the arc surface of the upper housing, thus, the driver feel no constrained to any angle for being readily aware of the optimal shifting time to acquire the best power from engine.

Abstract: A refined liquid level detector structure is provided. The structure includes a liquid level detecting element and a telescopic external casing, wherein the liquid level element includes a circuit device, a holder and a probe, and the probe and the circuit device are respectively set on opposite facets of the holder. Moreover, the telescopic external casing is assembled by plural tubes that are sleeved on each other, and each tube has inclined openings averagely mounted thereon. The length of the external casing can be adjusted to subject to that of the probe and the external casing can be fixedly secured to the holder to be an organic whole. Furthermore, when the liquid level detector is putted in a measuring trough for detecting, the length of the external casing can be adjusted to match with that of the trough. In addition, through the structure described above, foreign particles can be effectively stopped outside the external casing so that the liquid level detecting element can has a best performance.

Abstract: A backlight setting method of an analog instrument panel is provided. Through a cooperation between a microprocessor and an electronic control circuit, the backlight of the analog instrument panel can be cyclically varied. Moreover, the present invention employs the key set mounted outside the instrument panel to be pressed by the user for choosing a favorite backlight color during the backlight of the instrument panel is mixing changed. Furthermore, because the program design in the microprocessor, the illuminating element, through an asynchronous color mixing theory, can provide various colors to be set by the user for complying the backlight of the analog instrument panel with the like and demands of the user.

Abstract: A variable light source device useful for a pointer-type meter comprises essentially a microprocessor, a memory, a electronically controlled circuit, and a RGB luminescent light source set, characterized in that it takes advantage of an electronically controlled circuit to drive a RGB luminescent element in a manner of synchronically mixed lighting, and, by means of controlling programmatically by said microprocessor, projective light sources of different color can be changed as the pointer reaching the value set in the meter such that, by virtue of the changing projective light source, the user can notice immediately various warning signals to avoid dangerous event.

Abstract: A tachometer with a projection light source generating light of a color corresponding to an instant rotational speed of the car engine to indicate to a racer the best time for gear shift switching by changing the color of the generated light. The device includes a micro-processor, a memory device where a color corresponding to a respective speed segment, as well as speed value critical for shift switch are recorded, and a light source device including a switch device, an electric-control loop and a RGB illumination device set. The light source device is controlled by the microprocessor to change the color of the generated light when the speed reaches the critical value pre-set by a user.

Abstract: A variable light source device useful for a pointer-type meter comprises essentially a microprocessor, a memory, a electronically controlled circuit, and a RGB luminescent light source set, characterized in that it takes advantage of an electronically controlled circuit to drive a RGB luminescent element in a manner of synchronically mixed lighting, and, by means of controlling programmatically by said microprocessor, projective light sources of different color can be changed as the pointer reaching the value set in the meter such that, by virtue of the changing projective light source, the user can notice immediately various warning signals to avoid dangerous event.

Abstract: A tachometer with the variation of the projection light source which could set-up the critical standard speed value to provide optimum shift-shifting time, and record the fastest speed condition happened on racing at least comprising: the meter body, the micro-processor, the functional selection operation device, the memory device as well as the cylinder changeover switch; the character of this invention is to add one light source device on the circuit device inside the meter body, said light source device is comprised of a switch device, an electric-control loop and a RGB illumination device set; it utilizes the way of synchronize-light-mixing with the electric-control-loop to drive the RGB illumination device set, and by means of the program control of the microprocessor, when the rotating speed reaches the setting value, the projection light source with various color could be changed according to the setting.

Abstract: An oil-saving accelerating control device of eliminating the black smoke mainly comprising a power-increasing means and a pressure increasing auxiliary device in cooperative the inlet branch of the gas-combustion engine, by means of the high-voltage output produced by the power increasing means, after the air within the metal inside is being purified, it produces more oxygen to increase the efficiency of the gas-combustion engine and thus it saves the fuel as well as increasing the power; besides, by cooperative with the pressure-increasing device, when the power-increasing means is acting, it collects more oxygen on the same time on acting the power-increasing means, whereas the operator could provide more oxygen to the effect of gas-combustion engine for usage through controlling a initiation switch.

Abstract: An oil-saving accelerating control device of eliminating the black smoke mainly comprising a power-increasing means and a pressure increasing auxiliary device in cooperative the inlet branch of the gas-combustion engine, by means of the high-voltage output produced by the power increasing means, after the air within the metal inside is being purified, it produces more oxygen to increase the efficiency of the gas-combustion engine and thus it saves the fuel as well as increasing the power; besides, by cooperative with the pressure-increasing device, when the power-increasing means is acting, it collects more oxygen on the same time on acting the power-increasing means, whereas the operator could provide more oxygen to the effect of gas-combustion engine for usage through controlling a initiation switch.

Abstract: Disclosed herein is an automobile efficiency meter which is capable of defining an optimistic efficiency zone by analyzing a speed-frequency (S-hz) variable and an engine revolution-frequency (R-hz) variable The driver is then informed about the vehicle condition by a pointer type or a digital type metering instrument, an indicator lighting unit, or a sounder thereby enabling him/her to keep the automobile in the best efficient condition so as to save fuel consumption and prolong the vehicle life.

Abstract: A liquid level detector that includes an internal tube, a coil wound on an external surface of the internal tube, an external tube, a float ball, a base, and an upper fixing socket. The float ball is disposed in the internal tube, which is wound by a coil on its external surface. The internal tube is enclosed by the external tube, wherein an upper end of the internal tube is connected to the upper fixing socket, while the bottom end is coupled with the base. The two ends of the external tube are sealed for protection of the coil wound on the external wall of the internal tube. When the liquid level detector is employed to detect a liquid level, the float ball in the internal tube will move up or down according to the liquid level, and the induced change in inductance will be converted into a usable signal by a conversion circuit to drive a display apparatus to show the liquid quantity.