Ultra-short-focus projector and ultra-short-focus projection system

• Main Author: ZENG QINGJIANG
• Format: Patent
• Language: Chinese; English
• Published: 22.09.2023
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; BLASTING; CINEMATOGRAPHY; ELECTROGRAPHY; ENGINEERING ELEMENTS AND UNITS; FRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES ORAPPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUSPROVIDED FOR ELSEWHERE; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HOLOGRAPHY; LIGHTING; MECHANICAL ENGINEERING; PHOTOGRAPHY; PHYSICS; STANDS OR SUPPORTS; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model discloses an ultra-short focus projector and an ultra-short focus projection system. The ultra-short-focus projector comprises a shell, a projection structure and a posture adjusting structure. The projection structure is arranged in the shell and used for projecting pictures to a projection area. The posture adjusting structure is arranged on the shell, the posture adjusting structure is provided with a supporting part and an adjusting part extending out of the shell, the supporting part and the adjusting part are both used for making contact with an external projection mounting surface so as to jointly support the shell, and the length, extending out of the shell, of the adjusting part is adjustable. According to the invention, the position of the shell relative to the projection mounting surface is conveniently adjusted by adjusting and controlling the length of the adjusting part extending out of the shell, so that the projection posture of the ultra-short-focus projector is adjusted, an