Abstract: An automatic grinding machine with positioning effect has a body, at least two positioning sets, and a processing set. The body has a base, a grinding mount, a drive device, and a fixture. The base has a chamber. The at least two positioning sets are connected to the body and each positioning set has a displacement device and an optical module. The displacement device is mounted in the chamber. The optical module is disposed on the displacement device and is moved relative to the grinding mount by the drive device to position locations of the grinding mount and a probe card. The processing set is electrically connected to the drive device and the fixture of the body and the displacement device and the optical module of each positioning set, and has a computer control interface.

Abstract: A probe grinding device by acoustic positioning includes a fixing base, a grinding base, a rotating module, a motor module, a moving module, a processing module, an acoustic sensing module, and a memory module. The fixing base fixes a probe card. The acoustic sensing module generates and transmits an acoustic sensing signal to the processing module. The memory module stores a grinding audio of a grinding audio data. When the processing module drives the rotating module and the moving module via the motor module, the processing module determines whether the acoustic sensing signal matches the grinding audio. When the acoustic sensing signal matches the grinding audio, the processing module drives the moving module to slowly move the grinding base to avoid damaging the probes.

Abstract: An automatic grinding machine with positioning effect has a body, at least two positioning sets, and a processing set. The body has a base, a grinding mount, a drive device, and a fixture. The base has a chamber. The at least two positioning sets are connected to the body and each positioning set has a displacement device and an optical module. The displacement device is mounted in the chamber. The optical module is disposed on the displacement device and is moved relative to the grinding mount by the drive device to position locations of the grinding mount and a probe card. The processing set is electrically connected to the drive device and the fixture of the body and the displacement device and the optical module of each positioning set, and has a computer control interface.

Abstract: A card feeder has the following elements. A card hopper is disposed on a base to store cards. A conveying unit is disposed on the base. A friction element is disposed on the base and located in a path passed by the cards, and is capable of providing friction force to the cards so as to separate the cards.

Abstract: A document feeding device for handling and reverting double-sided document sheets to an original sequence is provided, including a housing unit and a switching unit. The housing unit includes a delivery passage, a flipping passage, a bypass area, a return passage and upper and lower turning passages. The switching unit, pivotally disposed in the bypass area, includes a first switching member, a second switching member connecting to a side of the first switching member, and a guiding passage between the first switching member and the second switching member. The switching unit switches between a first position and a second position. By the switching of the switching unit, the double-sided document is flipped, scanned and reverted to an original sequence.

Abstract: A document feeding device for handling and reverting double-sided document sheets to an original sequence is provided, including a housing unit and a switching unit. The housing unit includes a delivery passage, a flipping passage, a bypass area, a return passage and upper and lower turning passages. The switching unit, pivotally disposed in the bypass area, includes a first switching member, a second switching member connecting to a side of the first switching member, and a guiding passage between the first switching member and the second switching member. The switching unit switches between a first position and a second position. By the switching of the switching unit, the double-sided document is flipped, scanned and reverted to an original sequence.

Abstract: A double-side scan device for performing a single-side scan operation or a double-side scan operation selectively includes a document conveyer, a first transparent device, a second transparent device, and an image scan module. The image scan module moves to one side of the first transparent device to capture an image of one surface/side of a document and moves to one side of the second transparent device to capture an image of the other surface/side of the document, respectively.

Abstract: A double-side scan device for performing a single-side scan operation or a double-side scan operation selectively includes a document conveyer, a first transparent device, a second transparent device, and an image scan module. The image scan module moves to one side of the first transparent device to capture an image of one surface/side of a document and moves to one side of the second transparent device to capture an image of the other surface/side of the document, respectively.

Abstract: A double-side scanning mechanism for capturing images of a paper having two pages includes a second transparent element disposed corresponding to an outer side of a first transparent element and parallel to the first transparent element. A paper conveying device conveys a paper to pass between the first and the second transparent elements with a first page facing the first transparent element. The paper is flipped and passes over the outer side of the second transparent element with a second page facing the second transparent element. An image scanning module is disposed corresponding to an inner side of the first transparent element, for capturing the image of the first page when the paper passes between the first and the second transparent elements, and capturing the image of the second page when the paper passes over an outer side of the second transparent element.