Electronic calculation/memorandum apparatus

Boots – shoes – and leggings

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

364705, 364709, G06F 302, G06F 314

Patent

active

042790220

ABSTRACT:
An electronic calculation/memorandum apparatus comprises: a main memory; a key input unit including character keys, numerical keys, symbol keys, and a character mode selection key, a data write-in key for the main memory, and a data read-out key for the main memory; means for setting the main memory to a write mode through the operation of the write-in key; means for writing index data including characters and/or symbols inputted from the key input unit and numerical data associated with the index data in the order of inputting of them into the input key, into the main memory successively from the head address and the succeeding ones; means for alternately reading out all the index data and numerical data stored in the main memory in the order of the writing thereof in the read-out mode and for displaying them; means for retrieving the numerical data corresponding to the index data inputted from the main memory and for displaying it; and a unit for performing calculation on the basis of numerical data inputted through the operation of the numerical key.

REFERENCES:
patent: 3760171 (1973-09-01), Wang
patent: 3865994 (1975-02-01), Bender
patent: 3920979 (1975-11-01), Kilby et al.
patent: 3999050 (1976-12-01), Pitroda
patent: 4028538 (1977-06-01), Olander, Jr.
patent: 4117542 (1978-09-01), Klausner

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Electronic calculation/memorandum apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electronic calculation/memorandum apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic calculation/memorandum apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2167963

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.