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

Claim 11:
12. The membrane touch panel device of claim 11, wherein said operation panel unit includes a face panel defining said key segments, and an opaque keypad plate stacked behind said face panel, said keypad plate having a plurality of operating holes that extend therethrough along the front-rear direction, that are disposed in front of said hollow section, and that are respectively aligned with said key segments, and a plurality of embedding holes that extend therethrough along the front-rear direction, and that are provided for said light-blocking tabs to be embedded respectively therein, each of said key segments being pressable and capable of resiliently deforming into a respective one of said operating holes to trigger a respective one of said keypad circuits.