(under subclass 163) Subject matter wherein authorization code information (e.g., password, key other than encryption key, etc.) is required for memory access.
(1) Note. This subclass does not provide for cryptos:graphic keys. See below.
SEE OR SEARCH CLASS
380, Cryptography,
4, for stored digital data access or copy prevention in combination with data encryption (e.g., software program protection or computer virus detection in combination with data encryption).
455, Telecommunications,
26.1, for subject matter which blocks access to a signal source or otherwise limits usage of modulated carrier
equipment. 705, Data Processing: Financial, Business Practice, Management, or Cost/Price Determination,
18, for handling security or user identification provision to either prevent unauthorized use or access.
713, Electrical Computers and Digital Processing Systems: Support,
200+, for security in a digital data processing system requiring password.
714, Error Detection/Correction and Fault Detection/Recovery,
763+, for memory access block coding and subclass 805 for storage accessing error/fault detection techniques.
