Headlamp Device for Vehicle
US-2018095355-A1 · Apr 5, 2018 · US
Public transport vehicle, including a device for displaying on a window
US11415873B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11415873-B2 |
| Application number | US-202117222628-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 5, 2021 |
| Priority date | Apr 7, 2020 |
| Publication date | Aug 16, 2022 |
| Grant date | Aug 16, 2022 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
A vehicle includes at least one side bay equipped with a window, and a device for displaying at least one item of information on the window. The display device includes an image projector fastened to a ceiling of the vehicle. The display device emits light rays. A system of at least one mirror is arranged to reflect light rays emitted by the image projector in the direction of the window.
First claim
Opening claim text (preview).
What is claimed is: 1. A public transport vehicle comprising at least one side bay equipped with a window, and a display device for displaying at least one item of information on the window, wherein the display device comprises: an image projector, intended to emit light rays, a system of at least one mirror arranged to reflect light rays emitted by the image projector, in the direction of the window, wherein the system of at least one mirror comprises first and second mirrors, the first mirror being arranged to reflect the light rays emitted by the image projector toward the second mirror, and the second mirror being arranged to reflect the light rays reflected by the first mirror, toward the window, and wherein the second mirror is a pixelized mirror. 2. A public transport vehicle according to claim 1 , wherein the image projector is fastened to a ceiling of the vehicle. 3. A public transport vehicle according to claim 1 , wherein at least one of the mirrors is linked to a mount by movable linking means that enable an adjustment of the position of the mirror by translation and/or by tilting. 4. A public transport vehicle according to claim 1 , wherein the first and second mirrors are connected to one another by means of a device enabling the mirrors to be tilted relative to one another. 5. A public transport vehicle according to claim 1 , wherein the image projector is at least partially housed in a housing bounded by the ceiling. 6. A public transport vehicle according to claim 1 , wherein the bay comprises a film covering the window or integrated into the window, the film forming the projection surface for the image. 7. A public transport vehicle according to claim 6 , wherein the film is a holographic film. 8. A public transport vehicle according to claim 1 , comprising a plurality of bays, each being equipped with a respective display device.
Assignees
Inventors
Classifications
Projection screens · CPC title
- G03B21/28Primary
Reflectors in projection beam {(in illumination beam G03B21/2066)} · CPC title
characterised by the nature of the surface · CPC title
Other furniture or furnishings · CPC title
Holograms used as optical elements · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11415873B2 cover?
- A vehicle includes at least one side bay equipped with a window, and a device for displaying at least one item of information on the window. The display device includes an image projector fastened to a ceiling of the vehicle. The display device emits light rays. A system of at least one mirror is arranged to reflect light rays emitted by the image projector in the direction of the window.
- Who is the assignee on this patent?
- Alstom Transp Tech
- What technology area does this patent fall under?
- Primary CPC classification G03B21/28. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 16 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).