Metallic housing for an electronic apparatus with a flat keyboard
First Claim
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1. An electronic apparatus with a flat key-board, comprising:
- a housing for said electronic apparatus having an upper metallic member which defines said flat key-board and a lower member,said metallic upper member of said housing, including a plurality of definable movable key actuators in selected regions of the upper surface thereof, and completely integral and continuous therewith said key actuators having a substantially reduced thickness relative to said upper member, thereby making the key actuators movable, relative to said upper member;
a plurality of movable contacts corresponding to respective key actuators for movement in response to the actuation of said key actuators; and
a plurality of stationary contacts corresponding to said movable contacts and accommodated within said housing, whereby a particular one of said movable contacts comes into contact with a particular one of said stationary contacts when a particular one of said key actuators is depressed.
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Abstract
An upper member of a housing and a plurality of key actuators are unified into a single flat sheet made by stainless steel. The respective ones of the key actuators are made movable by reducing the thickness of the corresponding limited regions of the stainless steel sheet. When a particular one of the key actuators is actuated, a movable contact on a conductive silicon rubber sheet will come into contact with a stationary contact on a circuit board.
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Citations
8 Claims
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1. An electronic apparatus with a flat key-board, comprising:
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a housing for said electronic apparatus having an upper metallic member which defines said flat key-board and a lower member, said metallic upper member of said housing, including a plurality of definable movable key actuators in selected regions of the upper surface thereof, and completely integral and continuous therewith said key actuators having a substantially reduced thickness relative to said upper member, thereby making the key actuators movable, relative to said upper member; a plurality of movable contacts corresponding to respective key actuators for movement in response to the actuation of said key actuators; and a plurality of stationary contacts corresponding to said movable contacts and accommodated within said housing, whereby a particular one of said movable contacts comes into contact with a particular one of said stationary contacts when a particular one of said key actuators is depressed. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A hand-held electronic calculator with a flat keyboard, comprising:
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a housing for said calculator having an upper metallic member which defines said flat key-board and a lower member, said metallic upper member of said housing, including a plurality of definable movable key actuators in selected regions of the upper surface thereof, and completely integral and continuous therewith said key actuators having a substantially reduced thickness relative to said upper member, thereby making the key actuators movable, relative to said upper member; a plurality of movable contacts corresponding to respective key actuators for movement in response to the actuation of said key actuators; and a plurality of stationary contacts corresponding to said movable contacts and accommodated within said housing, whereby a particular one of said movable contacts comes into contact with a particular one of said stationary contacts when a particular one of said key actuators is depressed.
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Specification