Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-03-24
1992-03-24
Ng, Jin F.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340980, 353 13, 353 14, 359630, G09G 302
Patent
active
050992295
ABSTRACT:
An indication display unit for a vehicle according to the present invention comprises an indicator secured to a ceiling in a car room for displaying images indicated thereon, and a reflecting means disposed forwardly of a driver seat and formed with a reflecting surface for reflecting the above indicated image, characterized in that the ratio of the forwardly side length of an indicated pattern on the indicator to the rearwardly side length thereof is settled equal to that of the distance between a predetermined visual position on the driver seat side and the forwardly side length of the indicated pattern to the distance between the visual position and the rearwardly side length of the indicated pattern respectively through the reflective surface therebetween so as to acquire the indicated image without distortion.
REFERENCES:
patent: 2466338 (1949-04-01), Traub
patent: 4613200 (1986-09-01), Hartman
patent: 4831366 (1989-05-01), Iino
Ng Jin F.
Popovici Dov
Yazaki -Corporation
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