Patent ID: 11947726
Assignee: SOOCHOW UNIVERSITY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A multi-orientation fingertip planar tactile feedback device, comprising a planar tactile feedback actuator, wherein the planar tactile feedback actuator comprises a holder and a feedback mechanism, a holding hole and an accommodating cavity are provided in the holder, one end of the holding hole penetrates through the holder, the other end of the holding hole is communicated with the accommodating cavity, the feedback mechanism comprises a plurality of feedback parts, the plural feedback parts are arranged on cavity walls of the accommodating cavity respectively, and each feedback part comprises a base, an air bag block and a baffle which are sequentially connected,
wherein the cavity walls of the accommodating cavity comprise a front cavity wall, a left cavity wall, a right cavity wall, and a lower cavity wall, the plurality of feedback parts comprise a front feedback part, a left feedback part, a right feedback part, and a lower feedback part, and the front feedback part, the left feedback part, the right feedback part, and the lower feedback part are arranged on the front cavity wall, the left cavity wall, the right cavity wall, and the lower cavity wall respectively;
wherein the front feedback part comprises a front side feedback part and a slant front lower feedback part, the front side feedback part and the front lower feedback part face a front side and a front lower side of the fingertip respectively, the left feedback part comprises an upper left feedback part and a lower left feedback part which are obliquely arranged, the baffle of the upper left feedback part and the baffle of the lower left feedback part face an upper left side and a lower left side of the fingertip respectively, the right feedback part comprises an upper right feedback part and a lower right feedback part which are obliquely arranged, and the baffle of the upper right feedback part and the baffle of the lower right feedback part face an upper right side and a lower right side of the fingertip respectively; and
wherein the multi-orientation fingertip planar tactile feedback device further comprises a hollow shell, wherein the holder is provided in the shell, a first electrified coil set is provided on an outer wall of the holder, and a second electrified coil set is provided on an inner wall of the shell.