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US 7,273,993 B1Granted
Keypad for data entry
AssigneeMotorola, Inc.
InventorsJames L. Tanner, Ralph G. Cory
Life of this patent
Estimating the term…
Abstract
A keypad (102) for entering data in an electronic device (100) is disclosed. The keypad includes a first carrier (302), a key panel (202), and a backlighting module (204). The key panel is coupled to a first side of the first carrier and the backlighting module is coupled to a second side of the first carrier.
Claims17
A keypad for entering data in an electronic device, the keypad comprising:
- a first carrier having a first side and a second side;
- a key panel coupled to the first side of the first carrier;
- a backlighting module coupled to the second side of the first carrier;
- an actuator panel located on an opposite side of the backlighting module from the key panel and operatively coupled to the key panel;
- a dome panel operatively coupled to the actuator panel through a dome array film;
- and
- a printed circuit board coupled to the dome panel.
4 more elements
A keypad, comprising:
- an electroluminescent panel having a first side and a second side and comprising:
- a phosphor layer, one or more electrodes coupled to the phosphor layer and one or more insulating layers between the phosphor layer and the one or more electrodes;
- a key panel coupled to the first side of the electroluminescent panel;
- and
- a dome array coupled to the second side of the electroluminescent panel.
2 more elements
Dependencies are inferred from the claim text.