Abstract: This application discloses a LiDAR and a device. The LiDAR includes: a receiving module and a plurality of emission modules, and a combination of emission fields of view of the plurality of emission modules matches the receiving field of view of the receiving module. Each emission module includes a laser and an emission optical component located on a light emission side of the laser. An area of a projection region of a light emission region of the laser of the emission module on a light-incident face of the emission optical component is smaller than an area of the light-incident face. Emission angles of view of the plurality of emission modules are overlapped.

Abstract: This application provides a LiDAR and a LiDAR design method. The LiDAR includes at least one laser beam emission module and at least one laser beam receiving module. Each laser beam emission module includes a light emission device and an emission lens, and each laser beam receiving module includes a detection device and a receiving lens. A focal length of an emission lens of the at least one laser beam emission module is set to be less than a first focal length value, so that a total emission angle of view of all laser beam emission modules is greater than a first preset value.

Abstract: This application discloses a LiDAR and a device. The LiDAR includes: a casing, demarcating an emission chamber and a receiving chamber; a laser emission device, arranged in the emission chamber and configured to emit a laser beam to the first target region; and a plurality of laser receiving devices, arranged in the receiving chamber, where the plurality of laser receiving devices are configured to receive a laser beam reflected from the second target region, and the first target region and the second target region are at least partially overlapped. The second target region includes a plurality of detection subregions, each detection subregion is smaller than the first target region and is at least partially overlapped with the first target region, and each laser receiving device receives, in a one-to-one correspondence manner, a laser beam reflected from each detection subregion.

Abstract: Embodiments of this application disclose a laser beam emission module and a LiDAR. The laser beam emission module includes: multiple light emission modules, where each light emission module is configured to emit an emission laser beam group, and the emission laser beam group includes multiple emission laser beams; an emission lens module, located on a light outgoing side of the multiple light emission modules, configured to reduce a divergence angle of the emission laser beams emitted by the multiple light emission modules, and further configured to increase an emission angle of view of the emission laser beams; and a light beam adjustment module, located on a light outgoing side of the emission lens module and configured to adjust an interval between angles of view of emission laser beams output by the emission lens module.

Abstract: The present disclosure provides a film sticking device, stand and membrane module. When apply the mobile phone film, the outer protective film of the mobile phone film is pulled out from the film pulling port, and the static electricity generated by the friction after the protective film is separated from the main film and will absorb the dust, so that the final cleaning of the dust can be achieved; Then, directly touch the mobile phone film toward the mobile phone screen through the pressing port of the main cover body to make it stick to the mobile phone screen, which saves time and energy, greatly meets the needs of users, and can be used repeatedly.

Abstract: The present disclosure provides a film sticking device, stand and membrane module. When apply the mobile phone film, the outer protective film of the mobile phone film is pulled out from the film pulling port, and the static electricity generated by the friction after the protective film is separated from the main film and will absorb the dust, so that the final cleaning of the dust can be achieved; Then, directly touch the mobile phone film toward the mobile phone screen through the pressing port of the main cover body to make it stick to the mobile phone screen, which saves time and energy, greatly meets the needs of users, and can be used repeatedly.

Abstract: An optical emitting device and an optical sensor are provided. The optical emitting device includes a body, a light source, and a first light-blocking structure. The body has an emitting cavity extending in a first preset direction. The emitting cavity has an incident light port and an emergent light port that are arranged in the first preset direction. An inner wall of the emitting cavity has a first inner wall portion and a second inner wall portion. The first inner wall portion and the second inner wall portion are oppositely arranged. The light source and the body are arranged in the first preset direction. The first light-blocking structure is arranged in the first inner wall portion of the emitting cavity. A light-transmitting channel is arranged between the first light-blocking structure and the second inner wall portion. The first light-blocking structure includes a plurality of first light-blocking sheets.

Abstract: This application discloses a LiDAR and a device. The LiDAR includes: a casing, demarcating an emission chamber and a receiving chamber; a laser emission device, arranged in the emission chamber and configured to emit a laser beam to the first target region; and a plurality of laser receiving devices, arranged in the receiving chamber, where the plurality of laser receiving devices are configured to receive a laser beam reflected from the second target region, and the first target region and the second target region are at least partially overlapped. The second target region includes a plurality of detection subregions, each detection subregion is smaller than the first target region and is at least partially overlapped with the first target region, and each laser receiving device receives, in a one-to-one correspondence manner, a laser beam reflected from each detection subregion.

Abstract: The present disclosure discloses a word library management method and an apparatus for an input method including: firstly parsing information about answers to examination questions to form a masked entry library, and according to the masked entry library, performing operations on word libraries of an input method installed on a terminal device, the operations including transversing information about entries in each word library of the input method, and deleting entries that need to be masked, so that a normal examination or test can be carried out on a common terminal device without the need of preparing a dedicated terminal device or using a dedicated input method, which can prevent the result of the examination or test from being affected due to the word libraries and will neither affect the input of other characters during the examination nor affect the normal use of the terminal device and the input method.