Patent ID: 9189031
Filing Date: 2015-11-17
Classification: G06F,H01H

Abstract:
1. An auxiliary keyboard for detachably disposing on a tablet PC, comprising: an insulating board integrally formed in one piece, the insulating board comprising: a plurality of electrically conductive keys each having a bonded portion and an exposed portion, wherein the bonded portions of the conductive keys are respectively and seamlessly coupled to the combined portions, and the exposed portions are arranged to allow exposure from the insulating board; wherein when the second surface of the insulating board is detachably disposed on a touch panel of the tablet PC, each combined portion and the touch panel of the tablet PC are arranged with a predetermined distance, the combined portions respectively align with a plurality of virtual keys displayed on the touch panel, and the auxiliary keyboard is electrically isolated from the touch panel of the tablet PC; wherein when the second surface of the insulating board is detachably disposed on the touch panel and at least one of the exposed portions of the conductive keys is pressed, the resilient supporting portion corresponding to the pressed exposed portion is deformed which causes the combined portion to correspondingly press against the touch panel, and the thickness of each combined portion is about 0.05˜1 mm to allow a current to travel between the pressed conductive key and the touch panel of the tablet PC.