Browse Prior Art Database

Card Registration Under Program Control

IP.com Disclosure Number: IPCOM000079429D
Original Publication Date: 1973-Jul-01
Included in the Prior Art Database: 2005-Feb-26
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Dunkle, RL: AUTHOR [+2]

Abstract

To enable the operator of a buffered keypunch, such as the IBM Model 129, to observe the first 8 to 10 columns of the card while keying, the card must be held in its preregistration position. Therefore, registration of the card to be punched must be delayed, until the operator has entered the information for those first columns into the buffer.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 1

Card Registration Under Program Control

To enable the operator of a buffered keypunch, such as the IBM Model 129, to observe the first 8 to 10 columns of the card while keying, the card must be held in its preregistration position. Therefore, registration of the card to be punched must be delayed, until the operator has entered the information for those first columns into the buffer.

Delayed registration is provided when the operator punches a special control punch in the program card. With the program mode switch set to the desired program level, the current level selected, the REC ADV/CARD FEED switch to auto and with one card in the punch bed but not registered, keying of the record can begin. The operations associated with the special control code becomes effective when the column containing the code in the program is sensed. Basically, this would be registering the card that is in the punch bed and feeding the next card down from the hopper to the preregister position. Once the card is registered, card motion is controlled by normal functions of the buffered keypunch. The normal card feed cycle that occurs when the column indication changes from 80 to 01 is not initiated, if a "Register Under Program Control" program code had been sensed between columns 1 and 80 during keying of the last card processed.

1