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US 8,926,201 B2Granted
Keyboard with flexible printed circuit defining a plurality of venting holes
AssigneeBlackBerry Limited
InventorChao Chen
Life of this patent
Estimating the term…
Abstract
A keyboard includes a stiffener having a plurality of recesses defined therein, a flexible printed circuit defining a plurality of venting holes, each venting hole in correspondence with one of the plurality of recesses, and a dome sheet provided on top of the flexible printed circuit and including a plurality of domes, each of the domes in correspondence with one of the plurality of venting holes.
Claims20
A keyboard comprising:
- a stiffener having a plurality of recesses defined therein;
- a flexible printed circuit defining a plurality of venting holes, each venting hole in correspondence with one of the plurality of recesses;
- a dome sheet provided on top of said flexible printed circuit and including a plurality of domes, each of said domes in correspondence with one of the plurality of venting holes;
- and
- a plurality of dampening components for dampening tactile feedback generated during actuation of a key of the keyboard, each dampening component being received in a corresponding one of the plurality of recesses.
2 more elements
A device including:
- a housing;
- a keyboard provided in said housing, said keyboard including:
- a stiffener having a plurality of recesses defined in a front face thereof;
- a plurality of dampening components for dampening tactile feedback generated during actuation of a key of the keyboard, each dampening component being received in a corresponding one of the recesses;
- a flexible printed circuit defining a plurality of venting holes, each venting hole in correspondence with one of the plurality of recesses;
- and
- a dome sheet provided on top of said flexible printed circuit and including a plurality of domes, each of said domes in correspondence with one of the plurality of venting holes.
4 more elements
A keyboard comprising:
- a stiffener having a plurality of recesses defined therein;
- a plurality of foam pieces, each being received in a corresponding one of the recesses;
- a flexible printed circuit defining a plurality of venting holes, each venting hole in correspondence with one of the plurality of recesses;
- a dome sheet provided on top of said flexible printed circuit and including a plurality of domes, each of said domes in correspondence with one of the plurality of venting holes;
- a deflection web including a plurality of actuators, each actuator in correspondence with one of said domes;
- and
- a plurality of keys, each key corresponding to one of said domes and including a contact surface and a post extending from said contact surface, said post configured for engaging a corresponding one of said actuators;
- wherein the foam pieces are configured for dampening tactile feedback generated during actuation of the keys.
5 more elements
Dependencies are inferred from the claim text.