Run numbering identification system provides a permanent identification on the recorder traces of data runs. It automatically enters, by pulse coding, the number of the current data run on the recorder trace. The system uses a keyboard, registers, converters, amplifiers, and a pulse generator

Pease, L. L.

English

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June 1967	 Brief 67-10215 
NASA  TECHBRIEF 
NASA Tech Briefs are issued to summarize specific innovations derived from the U.S. space program, 
to encourage their commercial application. Copies are available to the public at 15 cents each 
from the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151. 
Run Numbering System for Use with Data Recorders
Recorder Speed Control 
The problem: 
To provide a permanent identification on the re-
corder traces of data runs by means of numerical 
pulse coding. The prior method was to manually 
mark the trace. 
The solution: 
A run numbering identification system that auto-
matically enters, by pulse coding, the number of the 
current data run on the recorder trace. 
How it's done: 
The system consists of a keyboard, a decimal-to-
binary-coded decimal (BCD) converter, storage reg-
isters, a comparator and parallel-to-serial converter, 
pen marker drive amplifiers, and a pulse generator. 
The starting run number is entered from the keyboard. 
This and successive numbers are displayed in the 
form of three separate series of pulses on the trace,
each series displaying from 0 to 9 pulses, thus giving 
a total system capability of identifying 999 consecu-
tive data runs. A series of gates driven by the storage 
registers and pulse generator, provides pulses to the 
marker pens corresponding to the current number. 
Each succeeding run number is automatically pulsed 
at the run start, and only the starting or initial run 
number must be entered at the keyboard. 
Notes: 
I. This system automatically identifies each trace, 
thereby saving time, bookkeeping, and frequent 
disturbance to records. 
2. Inquiries concerning this invention may be di-
rected to: 
Technology Utilization Officer 
Marshall Space Flight Center 
Huntsville, Alabama 35812 
Reference: B67-10215
(coniinued overteal) 
This document was prepared under the sponsorship of the National	 Government assumes any liability resulting from the use of the 
Aeronautics and Space Administration. Neither the United States 	 information contained in this document, or warrants that such use 
Government nor any person acting on behalf of the United States 	 will be free from privately owned rights.
https://ntrs.nasa.gov/search.jsp?R=19670000215 2020-03-11T20:30:55+00:00Z
Patent status: 
Inquiries about obtaining rights for the commercial 
use of this invention may be made to NASA, Code 
GP, Washington, D.C. 20546. 
Source: Logan L. Pease
of The Boeing Company
under contract to
Marshall Space Flight Center
(M-FS-2557) 
Brief 67-10215	 Category 01


Run numbering system for use with data recorders

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