Agilent 1958-05 free download

File name 1958-05.pdf

HEWLETT-PACKARD JOURNAL T E C H N I C A L I N F O R M A T I O N F R O M T H E - h p - L A B O R A T O R I E S 'UBLISHED BY THE HEWLETT-PACKARD COMPANY, 275 PAGE MILL ROAD, PALO ALTO, CALIFORNIA MAY, 1958 A Fast, Automatic Printer For Digital Type Data Devices L^ST year -hp- introduced a high-speed digi signed to operate from a staircase code, the sec tal recorder which automatically printed ond is designed to operate from 10- wire codes. the measurements made by -hp- frequency It is thus especially valuable for use with digi counters. The recorder was arranged to print tal voltmeters but can also be used with analog- numbers of up to 11 columns (digits) on add digital converters, remote readout units, fre ing machine tape at rates up quency counters with 10- wire outputs, shaft SEE ALSO: Tronsisfor/zed to 5 complete print-outs per encoders, 10-lamp or 10-element systems, step power supply, p. 4 second and thus considerably ping switches, mechanical counters with com increased the speed and ease with which fre mutators, relay and diode matrices, etc., to quency measurements could be recorded. print digitized measurements of voltage, cur Introduction of this recorder for frequency rent, pressure, acceleration, flow, deflection counters uncovered a need for a print-out in and other quantities. strument with the same high speed, simplicity Although the new printer is arranged to and reliability of mechanism, and low required operate with devices that provide their outputs signal power but one which would be capable in the form of 10- wire codes, this often includes of operating with other types of digital data devices that internally employ other codes, devices. A second version of the recorder has since such devices are general