Accession Number : AD0278455

Title :   THE DATA RECORDER-REPRODUCER - A TIME-INTERVAL MEASURING INSTRUMENT USED IN THE BALLISTICS FACILITIES OF THE NAVAL ORDNANCE LABORATORY

Corporate Author : NAVAL ORDNANCE LAB WHITE OAK MD

Personal Author(s) : FOLZ,ROBERT C. ; ROBERTS,JOHN W.

Report Date : 16 JUN 1961

Pagination or Media Count : 4

Abstract : AD-278 456LDiv. 8, 25U TIST /CDM) Naval Avionics Facility, Indianapolis, Ind. STUDY OF CONTRAST IMPROVEMENT FILTERS FOR CATHODE RAY TUBE DISPLAY, by Franklin A. Porter. 25 May 62, 38p. incl. illus. tables, 4 refs. (Rept. no. TR-152) Unclassified report Notice: Only government agencies may request from ASTIA. Others requ t approval of Naval Avionics Facility, Indianapolis, Ind. DESCRIPTORS: *Optical filters, *Cathode ray tube screens, *Polarizing filters, Brightness, Visibility, Television display systems, Dis play systems, Radar equipment, Tests, Meas urement, Distortion, Airborne. Tests were perfor e on filters used to enhance the readability of cathode ray tube displays under high ambi nt and high incidence lighting conditions. These filters are for use in singleand multi-place, fixed and rotary wing aircraft for radar and television displays as well as CIC roo applications. Test results and problem areas relating to contrast improvement of cathode ray tube displays utilizing two commercially available fil er are presented. (Author)

Descriptors :   BALLISTICS, RECORDING SYSTEMS, TEST FACILITIES

Distribution Statement : APPROVED FOR PUBLIC RELEASE