发明名称 |
Device for protecting data transmitted by a facsimile machine |
摘要 |
The invention relates to a device for protecting data transmitted by a facsimile machine and provides for encrypting and decrypting of data converted to a binary code. The device is detachably connectable to a facsimile machine for receiving the data and for encrypting/decrypting the data in accordance with a pre-selected key. The encrypted data is stored by the device for subsequent retrieval upon demand. A keypad and an associated visual display allow programming of the electronic function of the device.
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申请公布号 |
US6297892(B1) |
申请公布日期 |
2001.10.02 |
申请号 |
US19950413040 |
申请日期 |
1995.03.27 |
申请人 |
STEIN, III WILLIAM;STEIN, IV WILLIAM |
发明人 |
STEIN, III WILLIAM;STEIN, IV WILLIAM |
分类号 |
H04N1/00;H04N1/32;H04N1/44;(IPC1-7):H04N1/40 |
主分类号 |
H04N1/00 |
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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