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Key input device
申请号	JP1018483	申请日	1983-01-24	公开(公告)号	JPS59135536A	公开(公告)日	1984-08-03
申请人	Sharp Corp;			发明人	KOMAKI SHIGEKI;
摘要	PURPOSE: To reduce the load of key operation by forming slits at both sides of a key electrode and providing the pressure-sensitive conduction rubber under the electrode. CONSTITUTION: When a key symbol of a decorative panel 1 is pushed, a comb- tooth electrode of the corresponding flexible substrate 2 moves down to compress the pressure-sensitive conduction rubber 3 provided right under the electrode. Thus the rubber 3 conducts electrically, and the short-circuit is applied between the comb-tooth electrodes to obtain a key input signal. The key operation load is decided just by the flexibility of both panel 1 and substrate 2. The slits 2-2 are formed at both sides of a comb-tooth electrode 2-1 to facilitate bending of the substrate 2. This device further reduces the key operation load. COPYRIGHT: (C)1984,JPO&Japio
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