公开(公告)号：EP3937149A1

公开(公告)日：2022-01-12

申请号：EP21180072.7

申请日：2021-06-17

申请人： Hongfujin Precision Electronics (Tianjin) Co., Ltd.

发明人： TSENG, CHUANG-WEI ,  CHIEN, YU-CHING ,  ZENG, HONG-YI

IPC分类号： G08C17/02 ,  G06F3/02 ,  G08C19/02

摘要： A portable and simple input device for document display purposes which can operate with the powers and functions of a full computer includes a cover, keys for user input, a circuit board, a storage unit, a first communication unit, and a processor. The keys are outside the cover, the circuit board, the processor, and the storage unit are within the cover. The storage unit stores a computer operating system and a preset document. The first communication unit enables communication between the input device and an external display device. The processor can generate a starting signal when a first preset condition is met, execute the computer operating system and the preset document in the computer operating system according to the starting signal, transmit the executed preset document to the external display device for display, and control a play of the preset document.