Portable electronic apparatus having a function of checking for

Details Portable electronic apparatus having a function of checking for Portable electronic apparatus having a function of checking for

1989-03-06

1990-02-13

Zache, Raulfe B.

Boots, shoes, and leggings

235380, 364918, 3649182, 3649187, 364927, 3649272, 3649274, 364928, 364930, 364932, 3649321, 3649472, 3649497, 364952, 3649521, 3649591, 364964, 3649641, G06F 1206, G06F 1214, G06F 1312

Patent

active

049012762

ABSTRACT:
The portable electronic apparatus of the invention has a memory for storing externally-supplied data, and a central processing unit (CPU 15) for accessing the memory. The memory is divided into a plurality of areas. Each area has pointer data indicating a final address at which the data is written in that area, and a table that lists start and end addresses of each area. A write instruction to be supplied to the portable electronic apparatus consists of a write function code field, a write area designating field, a data string length field, and a data string. The CPU refers to the table based on the write area designating field of the supplied write instruction, reads an end address of the designated area and pointer data, and subtracts the pointer data from the end address, thereby calculating a memory capacity. Furthermore, the CPU compares the calculated memory capacity with the data string length of the write instruction, determines whether the data string can be entirely written, and writes the data string only when it is determined that it can be entirely written.

REFERENCES:
patent: 4348740 (1982-09-01), White
patent: 4520441 (1985-05-01), Bandoh et al.
patent: 4523297 (1985-06-01), Ugon et al.
patent: 4575621 (1986-03-01), Dreifus
patent: 4833595 (1989-05-01), Iijima
Translation of Office Action for German Patent Application No. P 37 20 394.0-53.
Computer Systems Organization and Programming, Science Research Associates, Inc., Harry Katzan, Jr., 1976, pp. 309-322.

Affiliated with

Also associated with

Rating

Portable electronic apparatus having a function of checking for does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Portable electronic apparatus having a function of checking for , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Portable electronic apparatus having a function of checking for will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1173749