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US 8,704,113 B2Granted
Keyboard and electronic apparatus
AssigneeSony Corporation
InventorsYasushi Itoshiro, Shigeru Kurosu, Hiroshi Katayama
Life of this patent
Estimating the term…
Abstract
Disclosed herein is a keyboard, including: a membrane switch having contacts disposed at positions thereof corresponding to keys; a spacer member provided on the membrane switch and having openings at least at portions thereof corresponding to the keys; a resilient member provided on the spacer member and spaced from and opposed to the membrane switch through the openings; and a key member provided at a portion of the resilient member which corresponds to each of the keys.
Claims20
A keyboard, comprising:
- a membrane switch having contacts disposed at positions corresponding to keys;
- a spacer member provided on said membrane switch and having openings at least at portions thereof corresponding to said keys;
- a first resilient member provided on said spacer member and spaced from and opposed to said membrane switch through said openings;
- a key member provided at a portion of said first resilient member which corresponds to each of said keys;
- and
- a second resilient member provided on said key member and having a plurality of protections corresponding to said keys, wherein when said key member is depressed through said second resilient member, said first resilient member is brought into contact with said membrane switch through said openings.
3 more elements
An electronic apparatus, comprising:
- a keyboard comprising:
- a membrane switch having contacts disposed at positions thereof corresponding to keys;
- a spacer member provided on said membrane switch and having openings at least at portions thereof corresponding to said keys;
- a first resilient member provided on said spacer member and spaced from and opposed to said membrane switch through said openings;
- a key member provided at a portion of said first resilient member which corresponds to each of said keys;
- and
- a second resilient member provided on said key member and having a plurality of projections corresponding to said keys, wherein when said key member is depressed through said second resilient member, said first resilient member is brought into contact with said membrane switch through said openings.
4 more elements
An electronic apparatus, comprising:
- a back plate;
- a membrane switch provided on said back plate and having contacts disposed at positions corresponding to keys;
- a spacer member provided on said membrane switch and having openings at least at portions thereof corresponding to said keys;
- a first resilient member provided on said spacer member and spaced from and opposed to said membrane switch through said openings;
- a key member provided at a portion of said first resilient member which corresponds to each of said keys;
- and
- a second resilient member provided on said key member and having a plurality of projections corresponding to said keys, wherein when said key member is depressed through said second resilient member, said first resilient member is brought into contact with said membrane switch through said openings.
4 more elements
Dependencies are inferred from the claim text.