发明名称 |
Playback apparatus having a single mode selecting pushbutton |
摘要 |
A portable playback apparatus includes a manually operated single pushbutton and a control circuit connected to the pushbutton for selectively determining one of a plurality of operating modes of the apparatus in accordance with successive depressions of the pushbutton, or duration of each depression, or in accordance with the number of depressions. The single pushbutton may be attached to an earpiece cord or located on one end face of a housing of the apparatus which is convenient to use.
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申请公布号 |
US4939601(A) |
申请公布日期 |
1990.07.03 |
申请号 |
US19880223696 |
申请日期 |
1988.07.22 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
ENDO, HIROTAKA;HAMANAKA, HIROSHI;NAGAYOSHI, ATSUSHI |
分类号 |
G11B15/02;G11B19/16 |
主分类号 |
G11B15/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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