Patent ID: 11894202
Assignee: nan
Field: Computer technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 16:
17. A visual programmable intelligent controller with a keypad structure, comprising: at least one light-transmittable key;
at least one key mounting shell for arranging each key;
an elastic element, arranged at an edge of the key and configured to allow the key to move up and down in a reciprocating manner;
at least one display device, wherein an image displayed by the display device is watched via the key;
a circuit body, arranged between the key and the display device to sense an action of the key, wherein the circuit board comprises:
at least one flexible light-transmittable first sheet body;
at least one first circuit layer, wherein the first circuit layer is arranged on the first sheet body;
at least one light-transmittable second sheet body;
at least one second circuit layer, wherein the second circuit layer is arranged on the second sheet body; and
several insulation protruding points, wherein the several insulation protruding points are arranged between the first sheet body and the second sheet body, and the insulation protruding points are arranged around the first circuit layer and the second circuit layer to reserve a gap between the first circuit layer and the second circuit layer, so that the first circuit layer and the second circuit layer are in selective contact.