AI Patent Summary

Patent Document
#US5958039A
United States Patent 115
Abstract
The stack pointer is used for generating the next unutilized location in the stack memory device in order to indicate where a current value in the program counter is to be written. The stack pointer also generates a directly preceding loca- tion to the next unutilized location in order to read the last value of the program counter that was written to the stack memory device. The stack pointer will the next unutilized location in the stack memory de for a write operation and the directly preceding location to the next unutilized location in the stack memory device for a read operation. The stack pointer will further perform either a post increment or post decrement operation on the next unutilized location in the stack memory device after execu- tion of a current instruction.
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Patent Classification & AI Product Mapping
Authoritative patent classification definitions mapped to real-world technology domains and commercial product categories.
CPC G06F7/00
Confidence: High
Official Definition
Methods or arrangements for processing data by operating upon the order or content of the data handled
PHYSICS > COMPUTING OR CALCULATING; COUNTING > ELECTRIC DIGITAL DATA PROCESSING
AI Technology & Product Mapping
Technology Domain:
Processor Datapath & Data Manipulation
Product Category:
Central Processing Units & Processors
Plain-English Summary:
General techniques and hardware systems for processing data by changing, organizing, or manipulating the sequence or contents of information being handled.
Relation to Claims:
The patent deals with managing data flow into and out of a stack memory using a stack pointer, which inherently involves operating on the order of data values such as program counters.
CPC G06F7/76
Confidence: High
Official Definition
Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data
PHYSICS > COMPUTING OR CALCULATING; COUNTING > ELECTRIC DIGITAL DATA PROCESSING
AI Technology & Product Mapping
Technology Domain:
Data Routing & Logic Control
Product Category:
Processor Logic Components
Plain-English Summary:
Hardware logic used to sort, reorder, or route data packets or bits based on set rules without inspecting what the actual data values mean.
Relation to Claims:
The patent's stack pointer logic sequences write and read locations independently of the exact program counter values being stored.
CPC G06F7/78
Confidence: High
Official Definition
Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data for changing the order of data flow, e.g. matrix transposition or LIFO buffers; Overflow or underflow handling therefor
PHYSICS > COMPUTING OR CALCULATING; COUNTING > ELECTRIC DIGITAL DATA PROCESSING
AI Technology & Product Mapping
Technology Domain:
Stack Memory Architecture
Product Category:
Memory Management Units & Stack Controllers
Plain-English Summary:
Systems designed to reverse or change the sequence of data streams, specifically mentioning Last-In-First-Out (LIFO) buffers or stacks, including managing overflow and underflow conditions.
Relation to Claims:
The patent explicitly details a stack memory device operating with a stack pointer that manages write and read operations in a LIFO manner.
CPC G06F7/785
Confidence: High
Official Definition
Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data for changing the order of data flow, e.g. matrix transposition or LIFO buffers; Overflow or underflow handling therefor having a sequence of storage locations each being individually accessible for both enqueue and dequeue operations, e.g. using a RAM
PHYSICS > COMPUTING OR CALCULATING; COUNTING > ELECTRIC DIGITAL DATA PROCESSING
AI Technology & Product Mapping
Technology Domain:
RAM-based Stack Implementations
Product Category:
Embedded Microcontrollers & Microprocessors
Plain-English Summary:
LIFO buffers or stack memory implementations built using randomly accessible storage locations (like RAM) where items can be individually added (enqueue) or removed (dequeue).
Relation to Claims:
The patent abstract discusses generating unutilized locations and preceding locations in a stack memory device to write and read program counter values using pointer arithmetic.
CPC G06F9/00
Confidence: High
Official Definition
Arrangements for program control, e.g. control units
PHYSICS > COMPUTING OR CALCULATING; COUNTING > ELECTRIC DIGITAL DATA PROCESSING
AI Technology & Product Mapping
Technology Domain:
Processor Control Units & Execution Logic
Product Category:
Microprocessors & Control Units
Plain-English Summary:
Hardware and architectural mechanisms responsible for directing the execution of computer programs, such as processor control units.
Relation to Claims:
The patent centers on manipulating program counters—a core element of program control—via stack pointers during the execution of instructions.