Hud mirror holder and image positional accuracy design
OwnerFidelis Itsede, John Austin +1inventors
InventorsFidelis Itsede, John Austin, Duane Lucero
Life of this patent
Estimating the term…
Abstract
A head up display mirror holder arrangement for a motor vehicle includes a picture generation unit producing a light field. A mirror reflects the light field such that the light field is visible to the driver as a virtual image. A mirror holder has two opposite ends and an activation feature. The two opposite ends are aligned along a rotational axis of the mirror. The mirror holder retains the mirror. Each of two bushings is coupled to a respective opposite end of the mirror holder. A calibration switch has minimum proximity to the activation feature of the mirror holder.
Claims20
A head up display mirror holder arrangement for a head up display of a motor vehicle, the arrangement comprising:
- a picture generation unit configured to produce a light field;
- a mirror configured to reflect the light field such that the light field is visible to the driver as a virtual image;
- a mirror holder having two opposite ends and an activation feature, the two opposite ends being aligned along a rotational axis of the mirror, the mirror holder being configured to retain the mirror;
- two bushings, each said bushing being coupled to a respective said opposite end of the mirror holder;
- and
- a calibration switch configured to be engaged and activated by the activation feature of the mirror holder when the mirror holder is rotated to a predetermined position, the calibration switch being separated from the activation feature by a nonzero translation distance of less than one millimeter.
A head up display mirror holding method for a motor vehicle, said method comprising:
- producing a light field;
- reflecting the light field by use of a mirror such that the light field is visible to the driver as a virtual image;
- providing a switch having a first activation face;
- retaining the mirror by use of a mirror holder having a second activation face, the second activation face being separable from the first activation face by a nonzero translation distance of less than one millimeter, the second activation face being unable to be separated from the first activation face by more than the nonzero translation distance of less than one millimeter unless the mirror holder is being parked in a rotational position at which the light field is not visible to the driver;
- rotating the mirror holder toward the switch from a position where the second activation face is separated from the first activation face by the translation distance;
- activating the switch when the mirror holder is at a predetermined position at which the second activation face engages the first activation face;
- and
- in response to the activation of the switch, transmitting a feedback signal to calibrate and record the predetermined position in a memory device.
A head up display mirror holder arrangement for a head up display of a motor vehicle, the arrangement comprising:
- a picture generation unit configured to produce a light field;
- a mirror configured to reflect the light field such that the light field is visible to the driver as a virtual image;
- a mirror holder having two opposite ends and an activation feature, the two opposite ends being aligned along a rotational axis of the mirror, the mirror holder being configured to retain the mirror;
- and
- a calibration switch configured to be engaged and activated by the activation feature of the mirror holder when the mirror holder is rotated to a predetermined position, the calibration switch being separated from the activation feature by a nonzero translation distance of less than one millimeter, the calibration switch and the activation feature being separable by no more than the translation distance of less than one millimeter without parking of the head up display such that the mirror holder is rotated to an inoperable rotational position whereat sunlight cannot impinge upon the mirror.
Dependencies are inferred from the claim text.