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US 7,433,719 B2Granted
Handheld electronic device and keypad having tactile features
AssigneeResearch In Motion Limited
InventorTeodor Dabov
Life of this patent
Estimating the term…
Abstract
An improved handheld electronic device and keypad include tactile features that help a user to identify certain keys of the keypad. In the present exemplary embodiment, the keypad includes keys in a predetermined region that can be employed during a telephone operation. The keypad additionally includes other keys outside the predetermined region. The keys in the predetermined region include tactile features that enable the user to identify and actuate the keys in the predetermined region during a telephone operation with the user directing minimal visual attention to the handheld electronic device.
Claims22
A keypad for a handheld electronic device, the keypad comprising:
- a number of keys arranged in a plurality of rows and a plurality of columns, each key having an engagement surface that is structured to be engaged by a user in actuating the key and a skirt surface adjacent the engagement surface;
- each key of at least a portion of the number of keys comprising a first portion and a second portion, the first portion having a first surface, the second portion having a second surface, at least a portion of the first surface disposed adjacent at least a portion of the second surface being disposed oblique to the at least a portion of the second surface, at least a portion of the second surface being disposed adjacent at least a portion of the skirt surface, at least a portion of each of the first and second surfaces being at least a portion of the engagement surface of the key;
- at least a portion of a first surface of a key disposed in a predetermined row and in a predetermined column being disposed adjacent at least a portion of a first surface of an adjacent key in the predetermined row;
- at least a portion of the first surface of the key disposed in the predetermined row and in the predetermined column being offset in an actuation direction from at least a portion of an engagement surface of an adjacent key in the predetermined column and being disposed adjacent at least a portion of a skirt surface of the adjacent key in the predetermined column to provide a tactile distinction between the key disposed in the predetermined row and in the predetermined column and the adjacent key in the predetermined column;
- at least a first key of the at least a portion of the number of keys additionally comprising a third portion, the at least a first key being disposed in a given row, the third portion comprising a tactile feature structured to provide a tactile distinction between the at least a first key and an adjacent key in the given row;
- a second key of the at least a portion of the number of keys comprising a third portion, the second key being disposed in the given row, the third portion comprising a tactile feature structured to provide a tactile distinction between the second key and an adjacent key in the given row, the at least first and second keys being disposed one of within a predetermined region of the keypad and adjacent the predetermined region, the tactile features of the at least first and second keys being structured to provide a tactile distinction between the keys disposed within the predetermined region and the keys disposed outside the predetermined region;
- and
- wherein a third key of the at least a portion of the number of keys is disposed between the at least a first key and the second key, the first surfaces of the at least first, second, and third keys and at least a portion of the skirt surfaces of each of a quantity of keys adjacent the at least a first, second, and third keys together at least partially defining an open and substantially continuous channel formed in the keypad.
5 more elements
A handheld electronic device comprising:
- a processor apparatus including a processor and a memory;
- an input apparatus structured to provide input to the processor apparatus;
- an output apparatus structured to receive signal from the processor apparatus and to provide output;
- the input apparatus including a keypad comprising a number of keys arranged in a plurality of rows and a plurality of columns, each key having an engagement surface that is structured to be engaged by a user in actuating the key and a skirt surface adjacent the engagement surface;
- each key of at least a portion of the number of keys comprising a first portion and a second portion, the first portion having a first surface, the second portion having a second surface, at least a portion of the first surface disposed adjacent at least a portion of the second surface being disposed oblique to the at least a portion of the second surface, at least a portion of the second surface being disposed adjacent at least a portion of the skirt surface, at least a portion of each of the first and second surfaces being at least a portion of the engagement surface of the key;
- at least a portion of a first surface of a key disposed in a predetermined row and in a predetermined column being disposed adjacent at least a portion of a first surface of an adjacent key in the predetermined row;
- at least a portion of the first surface of the key disposed in the predetermined row and in the predetermined column being offset in an actuation direction from at least a portion of an engagement surface of an adjacent key in the predetermined column and being disposed adjacent at least a portion of a skirt surface of the adjacent key in the predetermined column to provide a tactile distinction between the key disposed in the predetermined row and in the predetermined column and the adjacent key in the predetermined column;
- at least a first key of the at least a portion of the number of keys additionally comprising a third portion, the at least a first key being disposed in a given row, the third portion comprising a tactile feature structured to provide a tactile distinction between the at least a first key and an adjacent key in the given row;
- a second key of the at least a portion of the number of keys comprising a third portion, the second key being disposed in the given row, the third portion comprising a tactile feature structured to provide a tactile distinction between the second key and an adjacent key in the given row, the at least first and second keys being disposed one of within a predetermined region of the keypad and adjacent the predetermined region, the tactile features of the at least first and second keys being structured to provide a tactile distinction between the keys disposed within the predetermined region and the keys disposed outside the predetermined region;
- and
- wherein a third key of the at least a portion of the number of keys is disposed between the at least a first key and the second key, the first surfaces of the at least first, second, and third keys and at least a portion of the skirt surfaces of each of a quantity of keys adjacent the at least a first, second, and third keys together at least partially defining an open and substantially continuous channel formed in the keypad.
8 more elements
Dependencies are inferred from the claim text.