Arithmetic processing device, imaging device and head mounted system

An imaging device, comprising:

• an image display device;
• an image capturing device;
• a second circuit board having a second transmission interface;
• a controller installed on the second circuit board and coupled to the image display device and the image capturing device and configured to evaluate transmission quality of a transmission signal transmitted through the second transmission interface;
• and
• a second re-driving circuit installed on the second circuit board and coupled between the controller and the second transmission interface,
• wherein the controller transmits a second control signal to the second re-driving circuit according to the evaluated transmission quality of the transmission signal to control the second re-driving circuit to re-drive the transmission signal,
• wherein the second re-driving circuit comprises:
• a third transmission path;
• a fourth transmission path;
• a second re-driver located on the third transmission path and configured to re-drive the transmission signal transmitted on the third transmission path;
• a third switching circuit coupled to the controller, the third transmission path, and the fourth transmission path and configured to be controlled by the second control signal to switch the controller between being coupled to the third transmission path and being coupled to the fourth transmission path;
• and
• a fourth switching circuit coupled to the second transmission interface, the third transmission path, and the fourth transmission path and configured to be controlled by the second control signal to switch the second transmission interface between being coupled to the third transmission path and being coupled to the fourth transmission path.

A head mounted system, comprising:

• an arithmetic processing device, comprising:
• a first circuit board having a first transmission interface;
• a processor installed on the first circuit board;
• and
• a first re-driving circuit installed on the first circuit board and coupled between the processor and the first transmission interface;
• and
• an imaging device, comprising:
• an image display device and an image capturing device;
• a second circuit board having a second transmission interface, wherein the second transmission interface and the first transmission interface are detachably connected to each other through a cable;
• a controller installed on the second circuit board and coupled to the image display device and the image capturing device;
• and
• a second re-driving circuit installed on the second circuit board and coupled between the controller and the second transmission interface,
• wherein the processor and the controller evaluate transmission quality of a transmission signal transmitted through the first transmission interface and the second transmission interface together, so as to respectively control the first re-driving circuit and the second re-driving circuit to re-drive the transmission signal.