Title:
PROCESS AND APPARATUS FOR PRODUCING AND READING ARABIC NUMBERS ON A RECORD SHEET
United States Patent 3527927
US Patent References:
Electric data processor
- - 2598155

/2704634.html
- - 2704634

Punch card
- - 3045905

High-speed column-by-column reading device
- - 3052405

Photo-responsive clock for card reader
- - 3238357


Inventors:
Bijleveld, Willem Jan
Toorn, Adrianus Johannes Van DE.
Publication Date:
09/08/1970
View Patent Images:
Download PDF 3527927 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Nederlanden, Staat
Primary Class:
382/182
Other Classes:
235/487, 194/212
International Classes:
G06K19/04
US Patent References:
3275806Business record bearing coded indicia
3316392Coded automatic identification system
3350545Apparatus for sensing information on documents
2310438Multiplying device
2831634Card synchronized timing unit
3106706Railway car identification system
3148460Device for grading test papers
3212203Test grading machines




<- Previous Patent (COMPUTING SYSTEM FOR...)   |   Next Patent (ELECTRONIC SEED MONI...) ->