Patent ID: 11914832
Assignee: TONG LUNG METAL INDUSTRY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. The membrane touch panel device of claim 4, wherein said face panel has a light-transmitting translucent plate, an opaque light-blocking paint layer, and a plurality of spaced apart conductive film members, said light-blocking paint layer being coated on a rear side of said translucent plate and being patterned such that said rear side of said translucent plate is partially exposed from said light-blocking paint layer to form a plurality of light-transmitting symbols that are respectively aligned with said operating holes, each of said symbols being a part of said translucent plate that is exposed from said light-blocking paint layer, said conductive film members being disposed behind said light-blocking paint layer, each of said conductive film members surrounding one of said symbols, one of said conductive film members and one of said symbols cooperating with said light-blocking paint layer to define one of said key segments, each of said key segments making electrical connection with and triggering a respective one of said keypad circuits via a respective one of said conductive film members.