Title:
DISPLAY COLLIMETER DEVICE WITH STANDDBY SCALE
Document Type and Number:
Japanese Patent JPS53142255
Kind Code:
A
Abstract:
A display collimator system comprising a cathode-ray tube for displaying electronically generated data and a standby reticle arrangement to be operated in case of failure of the tube. The standby reticle arrangement comprises at least a movable reticle produced statically by means of a plurality of n elements juxtaposed according the intended direction of shift, each element comprising a light source to represent, when supplied, a one and same common shape, and a supply control circuit having n switching positions to supply the n elements separately.
Inventors:
IBU KOYAN
Application Number:
JP5750978A
Publication Date:
December 11, 1978
Filing Date:
May 15, 1978
Export Citation:
Assignee:
THOMSON CSF
International Classes:
B64D45/08; G02B27/01; G02B6/04; G02B27/00; (IPC1-7): B64D45/08; G02B5/16; G02B27/02
Domestic Patent References:
| JPS503106U | 1975-01-14 | |||
| JP42024389A |
Foreign References:
| GB1261884A | 1972-01-26 |