Patent ID: 9678349
Date: 2017-06-13
CPC Classifications: G01C,G02B

Claim:
1. A near-eye display device, comprising: a main case providing a containing space to include a micro processor, an electronic compass, an accelerometer and a gyroscope, wherein the micro processor performs an application program of cooperating with the electronic compass, the accelerometer and the gyroscope to keep searching a direction toward a magnetic north; a see-through display unit mechanically connected with the main case and electrically connected with the micro processor, wherein the see-through display unit receives an information about the direction toward the magnetic north and shows the information for the user, so as to cause the near-eye device having a capability of keeping tracking the direction toward the magnetic north and keeping showing it on the see-through display for the user to see; and an attaching unit configured on the main case to cause the near-eye display device to detachably assemble to the user's own ordinary spectacle for daily use having a spectacle-based frame.