Patent attributes
A point-of-sale terminal may incorporate a security device for preventing penetration of a foreign conductor into a region in fluid communication with a security switch of the point-of-sale terminal. The device may include a barrier member configured to be disposed inside the terminal and to resist penetration by a hypodermic needle. The barrier member of the security device may be a rigid keypad cover configured to be disposed between a keypad of the terminal and an upper casing of the terminal, and may include a plurality of apertures configured to fit closely around keys of the keypad. The barrier member of the security device also may be a rigid light guide configured to be disposed between a printed circuit board of the terminal and a keypad of the terminal, and to provide backlighting to the keypad.
