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US 2001/0036839 A1Published application
Telephone method and apparatus
AssigneeMary Y. Tsai
InventorIrving Tsai
Life of this patent
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Abstract
A telephone and telephone answering apparatus and method are described for using secondary information embedded in audio passages included in phone calls. The telephone and telephone answering device monitors received calls to automatically detect for the presence of embedded secondary information. Some embodiments merely receive, automatically monitor for the presence of, and use secondary information. Other embodiments are also capable of generating and of embedding secondary information into audio passages.
Claims3
A telephone answering apparatus for using steganographically embedded information, comprising:
- Means for receiving a telephone call;
- Means for automatically answering the received telephone call;
- and
- Means for automatically monitoring the answered, received telephone call for the presence of secondary information steganographically embedded therein.
1 more element
Dependencies are inferred from the claim text.