Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-02-08
1990-05-15
Arnold, Bruce Y.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340705, G02B 2712
Patent
active
049252720
ABSTRACT:
An indication display unit for a vehicle comprises an indicating device provided in a dash board and a reflecting device provided thereon. An indicated image is reflected on the reflecting device so as to be visibly observed by a driver in superposition on an external front view through a windshield. A shifting device of the indicated image is provided for moving a projecting position thereof in accordance with the velocity of a vehicle. The indication display unit of the above structure can be divided in two types; a direct image projecting type and an indirect projecting type. The respective type can be defined as the indication display unit provided with an indicated image shifting device. By using the above display unit, the position of the displayed image to be observed can be shifted in accordance with the vehicle speed, whereby the visibly observable range by a driver can be greatly enlarged without moving the position of the driver's viewing point.
REFERENCES:
patent: 3274545 (1966-09-01), Bowles et al.
patent: 4635033 (1987-01-01), Inukai et al.
patent: 4636782 (1987-01-01), Nakamura et al.
patent: 4687072 (1987-08-01), Kumuro
patent: 4804836 (1989-02-01), Iino
Aoki Kunimitsu
Ohshima Tsuyoshi
Arnold Bruce Y.
Shafer R. D.
Yazaki -Corporation
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