610 



THE BELL SYSTEM TECHNICAL JOURNAL, JULY 1951 



This card translator will not be illustrated at this time, but the following 

 general notes are in order: 



The card translator is especially designed for toll application where a 3 

 to 6-digit decimal input must be translated to an output containing 30 



INDIVIDUAL 



RESTORIIslG 



SPRING 



N W N N W W 



INDIVIDUAL COMMON 



OPERATING OPERATING 

 N' N' W N' W SPR'NG ,.- BAR 



'^ SELECT END READING END / ill 



(INPUT) (OUTPUT) ^^...\^.. ^X.l.l 



(a 



(OUTPUT) 



^ ' COMMON COMMON 



STOP ROD OPERATING 

 (a) INDIVIDUAL SLIDEBAR OR CARD MAGNET 



_ \-^v^-^ 



INPUT CODE LEAD 



SELECT 

 H-CODEBAR 

 (COMMON) 



-dH 



CONTROL "-I \ 



^READING CODEBAR 

 ^ (COMMON) 



SrT-^';l 



\^ 



) OUTPUT CODE LEAD 



(b) INPUT CODEBAR 

 (ONE PER CODE ELEMENT) 



(C) OUTPUT CODEBAR 

 (ONE PER CODE ELEMENT) 



(d) VIEW SHOWING TEN SLIDEBARS OR CARDS 

 WITH FOUR SELECT CODEBARS AND THREE 

 READING CODEBARS 



Fig. 9 — Slide bar translator. 



items of information with a very large number of possible combinations. 

 The large number of possible outputs and the necessity of making changes 

 quickly and frequently make the previously illustrated translators im- 

 practicable. For such application the card translator is well suited. The 



