发明名称 |
Operating surface for class functions in a telephone |
摘要 |
An operating surface for CLASS functions of a telephone device of an analog network. The operating surface has two functions, "activate" and "deactivate", so that the command sequence following the "activate" function is interpreted as CLASS function and is turned on and the following command sequence is interpreted as CLASS function and turned off with the "deactivation" function.
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申请公布号 |
US6836543(B1) |
申请公布日期 |
2004.12.28 |
申请号 |
US20000600061 |
申请日期 |
2000.07.10 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
SCHNEIDER-HUFSCHMIDT MATTHIAS |
分类号 |
H04M1/247;H04M3/42;(IPC1-7):H04M1/27 |
主分类号 |
H04M1/247 |
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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