Abstract: A milling machine has a carriage, a main spindle seat extending along an axis, and a motor operable to drive displacement of the main spindle seat relative to the carriage along the axis. A deflection correction system includes a control unit, a displacement sensor, at least one pressure cylinder, and a pressure sensor. The pressure cylinder includes a cylinder body, and a control rod extended retractably into the cylinder body. The control unit is configured to determine a pressure range as a function of displacement detected by the displacement sensor, and to maintain fluid pressure in the pressure cylinder within a pressure range, thereby controlling the control rod via the cylinder body to position the second end portion of the main spindle seat relative to the axis.

Abstract: A milling machine has a carriage, a main spindle seat extending along an axis, and a motor operable to drive displacement of the main spindle seat relative to the carriage along the axis. A deflection correction system includes a control unit, a displacement sensor, at least one pressure cylinder, and a pressure sensor. The pressure cylinder includes a cylinder body, and a control rod extended retractably into the cylinder body. The control unit is configured to determine a pressure range as a function of displacement detected by the displacement sensor, and to maintain fluid pressure in the pressure cylinder within a pressure range, thereby controlling the control rod via the cylinder body to position the second end portion of the main spindle seat relative to the axis.

Abstract: A concentration photovoltaic and heating apparatus including a printed circuit board (PCB), a power generating module, a heat conducting plate and a heat conducting pipe is provided. The power generating module includes a solar chip and a Fresnel lens. The solar chip is mounted on the PCB and configured for transforming light energy into electricity. The Fresnel lens is disposed over the solar chip and configured for focusing sunlight on the solar chip. The heat conducting plate carries the PCB. The heat conducting pipe is connected to the heat conducting plate. A fluid flowing in the heat conducting pipe is configured for being heated by a heat generated by the solar chip through the heat conducting plate.

Abstract: A monolithic photo-chip with a solar device and a light-emitting device that can be manufactured by utilizing a method of selective area growth (SAG) is provided, which has the advantages of simple structure, compactness and cost-effectiveness. Moreover, a solar-powered illuminator including the monolithic photo-chip and a rechargeable battery is provided, which has the advantages of small size, compactness, simple integration, easy installation and cost-effectiveness. Accordingly, the solar-powered illuminator is very suitable for versatile application fields, such as the LD application field including a laser pointer, a laser sight, a laser aiming device, a laser level and a laser measuring tool, etc; or the LED application field including a decoration lamp, a courtyard lamp, a garden lamp and a advertisement lamp, a streetlamp, a warning sign and a indication sign for the road application, etc.

Abstract: A cascade solar cell structure includes an amorphous silicon-based solar cell on a non-silicon solar cell to be configured for an anti-reflective surface and absorbing incident light with short wavelength.

Abstract: A solar-powered illuminator, which includes an integrated light receiving and emitting device having a solar chip and a LED chip, a rechargeable battery and an Application-Specific Integrated Circuit (ASIC), is provided. A transparent encapsulant of the integrated light receiving and emitting device focuses the incident sunlight on the solar chip to generate a first voltage. The rechargeable battery is electrically connected to the integrated light receiving and emitting device and is charged by the solar chip in the first voltage. The ASIC is electrically connected to the rechargeable battery and the light receiving and emitting device, and it steps up the first voltage into a second voltage and drives the LED chip to emit light via the discharge of the rechargeable battery in the second voltage. Consequently, the solar-powered illuminator has the advantages of small size, compactness, simple integration, easy installation and cost-effectiveness.

Abstract: The invention relates to an optical module for recognizing the pages of an electronic book. The optical module of the invention comprises: at least one light source, a plurality of pages, at least one light sensor and a page recognizing device. The light source is used for generating emitting light. Each page has a peripheral side for reflecting the emitting light. The light sensor is used for receiving the reflective light from the pages and outputting a corresponding signal, and the light source and the light sensor are mounted on the peripheral cover of the electronic book. The page recognizing device is used for recognizing a current page of the electronic book according to the corresponding signal. According to the invention, the different peripheral sides on the different pages are used to reflect the different reflective light, so that the electronic book can recognize the page which the user currently opens.

Abstract: The invention relates to a solar energy system with spherical lens. The solar energy system comprises: a spherical lens and a solar energy plate. The spherical lens has a first surface and a second surface. The first surface is used for receiving incident light from a light source at any location. The second surface is used for transmitting concentrated light caused by the incident light to a predetermined region. The solar energy plate is mounted on the predetermined region, and is used for receiving the concentrated light and generating electrical energy. According to the invention, the spherical lens can receive the incident light from any location and transmit the concentrated light to the same predetermined region. The solar energy plate on the predetermined region can always receive the concentrated light from the spherical lens. Therefore, the efficiency of the solar energy system of the invention is high.

Abstract: A communication device is provided with a ball turned by hand to reflect a laser beam within a housing. The laser beam proceeding within the housing is in response to motion of the ball and received by a light sensor. The communication device is capable of operation without providing a panel for the ball.

Abstract: The present invention discloses a high-efficiency light-focusing package structure for a solar chip, which includes: a solar-chip sustaining substrate, a pair of positive-electrode and negative-electrode lead frames, and a covering. The covering may focus sunlight and also has an anti-reflective function to promote sunlight absorption. Further, the package structure for a solar chip of the present invention is low-cost and can be designed and assembled according to the size and shape required by a user.