PATENT CLAIM ANALYSIS

Application Number: 15908888
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-09
Patent Classification: ["711", "163000"]

Abstract:
Memory space management and memory access control method and apparatus are provided. The method includes: upon receiving an access request, acquiring an access address and an accessor identifier in the access request; checking a current state of a memory space pointed by the access address to obtain a check result, wherein the state of the memory space includes a first state and a second state; determining whether the accessor identifier belongs to an access permission set among a plurality of access permission sets that corresponds to the check result; and generating an instruction according to the check result, wherein the instruction indicates whether or not the accessor is permitted to access the memory space. With the above method, the invention reduces resource waste and system costs.

Claim (Index 13):
A memory access control apparatus, connected to a system memory, for controlling a processor or a hardware unit to access the system memory, the memory access control apparatus comprising:\n a plurality of protection groups, each of which looking up an access permission list according to an accessor identifier to obtain a search result; a checking unit, checking whether a current state of a memory space pointed by the access address is a first state or a second state to obtain a check result; and a determining unit, connected to the plurality of protection groups and the checking unit, receiving the plurality search results and the check result, selecting one of the plurality of search results according to the check result, and generating a determination signal according to the selected search result.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 90.0
- Lexical Diversity: 2.04478
- Patent Class: 711.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15559858', '14663760', '14762229', '10714561', '12258685']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4585182815740209
- 35 USC 102 Novelty (BERT): 0.4735509494003305
- Combined Prediction Score: 0.4600215483566519
- Mean Citation Score: 175.21223
- Max Citation Score: 184.90245
- Similarity Product: 148.3800629544586

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 0

Dataset: test