Abstract: A touch panel is disclose in the present invention. The touch panel includes a panel body and a vibration motor mounted on the panel body for providing haptic feedback. Wherein the vibration motor is disposed at a center of the panel body, and a thickness of the panel body is gradually reduced from the center thereof toward an edge thereof. Another touch panel disclosed in the present invention includes a panel body, and a plurality of vibration motors mounted on the panel body for providing haptic feedback. Wherein the panel body includes a plurality of vibration areas, the number of the vibration areas is same as that of the vibration motors; each of the vibration motors is disposed corresponding to one vibration area and disposed at a center of the vibration area; and a thickness of the vibration area is gradually reduced from the center thereof toward an edge thereof.

Abstract: Embodiments of the present disclosure relate to audio devices, especially to a voice coil and a speaker. The voice coil includes a voice-coil winding and a lead structure led out from the voice-coil winding. The lead structure includes a first starting terminal, a second starting terminal, a first lead and a second lead. Both the first starting terminal and the second starting terminal are located on the voice-coil winding. The first lead is formed by extending from the first starting terminal, and the second lead is formed by extending from the second starting terminal. The first lead and the second lead are centrally symmetrical about a geometric center of the voice-coil winding. The voice coil and the speaker in the embodiments of the present disclosure have an advantage of weakening swinging of a speaker during operation.

Abstract: A measuring equipment is provided. The equipment includes: a multi-axial actuated device; at least one sensor disposed on the multi-axial actuated device to adjust the orientation of the at least one sensor by the multi-axial actuated device, wherein scanning constraints of the sensor include a movable range of the at least one sensor, a scanning range of the at least one sensor and a scanning dead space of the at least one sensor for the contour of an object to be tested; a rotating device configured to rotate the object; and a processing device configured to obtain information relating to an optimal scanning orientation of the sensor based on the scanning constraints, and configured to control the multi-axial actuated device to adjust the at least one sensor.

Abstract: A system and method of power management of a telematics unit in a vehicle is provided. An exemplary method includes determining that the vehicle is unpowered; determining that the vehicle is in a fringe region of a cellular network; and based the determining steps, entering a power-saving mode at the telematics unit.

Abstract: A film speaker includes a metal foil; a diaphragm apart from and opposed to the metal foil; an elastomer for supporting the diaphragm; and a voice coil disposed on the metal foil for producing magnetic field. The diaphragm includes a substrate layer and a magnetic material layer attached to a surface of the substrate layer for interacting with a magnetic field produced by the voice coil so as to drive the diaphragm to vibrate for generating sound.

Abstract: An ultra-wide head-up display system and a display method thereof are provided. An ultra-wide image displayed by the ultra-wide head up display system is divided into independent head-up display images, an information type of each of the head-up display images is dynamically switched according to a usage status of a vehicle, each of the head-up display images is displayed in a corresponding outer frame, and each of the outer frames is formed by a display region not displaying an image.

Abstract: A shot sleeve for use in a die cast assembly has a shot sleeve body extending along an axis and having a bore for receiving a plunger. An insert is secured at a shot end of the shot sleeve body. A die cast assembly is also disclosed.

Abstract: A film speaker includes a metal foil; a diaphragm apart from and opposed to the metal foil; an elastomer for supporting the diaphragm; a voice coil disposed on the metal foil for producing magnetic field; and a damping member sandwiched between the voice coil and the diaphragm with two ends thereof abutting against the voice coil and the diaphragm respectively. The diaphragm includes a substrate layer and a magnetic material layer attached to a surface of the substrate layer for interacting with a magnetic field produced by the voice coil so as to drive the diaphragm to vibrate for generating sound.

Abstract: A film speaker includes a metal foil, a diaphragm apart from and opposed to the metal foil, an elastomer for supporting the diaphragm, and a voice coil disposed on the metal foil for producing magnetic field. The diaphragm includes a polymer magnetic material layer and a metal foil reinforcing layer attached to a surface of the polymer magnetic material layer for interacting with the magnetic field produced by the voice coil so as to drive the diaphragm to vibrate for generating sound.

Abstract: A speaker is disclosed. The speaker includes a housing with an accommodation space; a speaker unit accommodated in the housing; a back cavity formed between the speaker unit and the housing; and at least a first leak formed on the housing communicating with the back cavity. One end of the leak is connected to the back cavity, and the other end is connected to the outside of the speaker.

Abstract: A shot sleeve for a die casting machine includes a shot sleeve body with a pour opening that extends to a spaced apart inner and outer diameters. The shot sleeve body is a first material. A liner is secured to the shot sleeve body beneath the pour opening. The liner is a second material. The shot sleeve body and the liner together provide a plunger surface defining a cavity that is configured to receive a molten shot of material.

Abstract: A measuring equipment is provided. The equipment includes: a multi-axial actuated device; at least one sensor disposed on the multi-axial actuated device to adjust the orientation of the at least one sensor by the multi-axial actuated device, wherein scanning constraints of the sensor include a movable range of the at least one sensor, a scanning range of the at least one sensor and a scanning dead space of the at least one sensor for the contour of an object to be tested; a rotating device configured to rotate the object; and a processing device configured to obtain information relating to an optimal scanning orientation of the sensor based on the scanning constraints, and configured to control the multi-axial actuated device to adjust the at least one sensor.

Abstract: A plunger assembly for a die casting machine shot sleeve includes a plunger body that has an outer diameter. The plunger includes a head that provides a wall. A piston ring is arranged on the plunger body adjacent to the wall. A nut is secured to the outer diameter and urges the piston ring toward the wall to retain the piston ring securely on the plunger body.

Abstract: A speaker is disclosed. The speaker includes a housing with an accommodation space; a speaker unit accommodated in the housing; a back cavity formed between the speaker unit and the housing; and at least a first leak formed on the housing communicating with the back cavity. One end of the leak is connected to the back cavity, and the other end is connected to the outside of the speaker.

Abstract: A projector device is provided. The projector device includes a projector unit, an optical beam splitting module and a first image forming element. The projector unit forms a beam projecting image. The horizontal projection width of the beam projecting image is smaller than the vertical projection width of the beam projecting image. The optical beam splitting module projects one or multiple projection sub-images according to the beam projecting image. The projection sub-images are projected to the first image forming element to form one or multiple projection images. Thus, the projector device obtains multiple projection images from a single image source, and the placement of the image forming elements in the projector unit may be adjusted to obtain the projection images with the best image ratios and the best resolutions. The projector device may be suitable for a head up display.

Abstract: A film speaker includes a metal foil; a diaphragm apart from and opposed to the metal foil, an elastomer for supporting the diaphragm, and a voice coil disposed on the metal foil for producing magnetic field. The diaphragm includes a number of diaphragms. The elastomer includes a main body and a number of partition portions for dividing the elastomer into a number of vibration areas, each of the vibration areas corresponding to one of the number of diaphragms. The voice coil includes a number of voice coils corresponding to the vibration areas. Each of the diaphragms includes a substrate layer and a magnetic material layer attached to a surface of the substrate layer for interacting with the magnetic field produced by the voice coils so as to drive the diaphragms to vibrate for generating sound.

Abstract: A film speaker includes a metal foil; a diaphragm apart from and opposed to the metal foil; an elastomer for supporting the diaphragm; a voice coil disposed on the metal foil for producing magnetic field; and a damping member sandwiched between the voice coil and the diaphragm with two ends thereof abutting against the voice coil and the diaphragm respectively. The diaphragm includes a substrate layer and a magnetic material layer attached to a surface of the substrate layer for interacting with a magnetic field produced by the voice coil so as to drive the diaphragm to vibrate for generating sound.

Abstract: A film speaker includes a metal foil, a diaphragm apart from and opposed to the metal foil, an elastomer for supporting the diaphragm, and a voice coil disposed on the metal foil for producing magnetic field. The diaphragm includes a polymer magnetic material layer and a metal foil reinforcing layer attached to a surface of the polymer magnetic material layer for interacting with the magnetic field produced by the voice coil so as to drive the diaphragm to vibrate for generating sound.

Abstract: A film speaker includes a metal foil; a diaphragm apart from and opposed to the metal foil; an elastomer for supporting the diaphragm; and a voice coil disposed on the metal foil for producing magnetic field. The diaphragm includes a substrate layer and a magnetic material layer attached to a surface of the substrate layer for interacting with a magnetic field produced by the voice coil so as to drive the diaphragm to vibrate for generating sound.

Abstract: A film speaker includes a metal foil; a diaphragm apart from and opposed to the metal foil, an elastomer for supporting the diaphragm, and a voice coil disposed on the metal foil for producing magnetic field. The diaphragm includes a number of diaphragms. The elastomer includes a main body and a number of partition portions for dividing the elastomer into a number of vibration areas, each of the vibration areas corresponding to one of the number of diaphragms. The voice coil includes a number of voice coils corresponding to the vibration areas. Each of the diaphragms includes a substrate layer and a magnetic material layer attached to a surface of the substrate layer for interacting with the magnetic field produced by the voice coils so as to drive the diaphragms to vibrate for generating sound.