| 发明名称 |
Low cost telephone caller identification device and method |
| 摘要 |
The device and method of the present invention characterizes a telephone call by identifying a code, comparing the code to a predetermined access/ID code and generating a signal in response to the code. The device provides called party identification, calling party identification, and telephone number identification.
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| 申请公布号 |
US5425089(A) |
申请公布日期 |
1995.06.13 |
| 申请号 |
US19920826581 |
申请日期 |
1992.01.27 |
| 申请人 |
CHAN, JOHN Y.;MAR, WING J. |
发明人 |
CHAN, JOHN Y.;MAR, WING J. |
| 分类号 |
H04M1/57;H04M1/665;H04M1/673;H04M1/677;H04M3/527;H04M9/02;(IPC1-7):H04M1/00;H04M1/66;H04M9/00;H04M13/00 |
主分类号 |
H04M1/57 |
| 代理机构 |
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