PROJECTION SYSTEM, AND PROJECTOR

• US 20090185139A1
• Filed: 01/15/2009
• Published: 07/23/2009
• Est. Priority Date: 01/18/2008
• Status: Active Grant

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: MORIKUNI, Eiji
• Granted Patent: US 8,267,524 B2
• Time in patent office: Days
• US Class Current: 353/30
• CPC Class Codes: G03B 21/26 Projecting separately subsidiary matter simultaneously with main image

Abstract

A projection system includes a first projector and a second projector configured to project light on a light receiving surface according to an image signal. The first projector and the second projector direct light to be supplied to the light receiving surface in a direction along the light receiving surface. A part of an image projected by the first projector overlaps with a part of an image projected by the second projector on the light receiving surface.

Claims

1. A projection system, comprising:

a first projector and a second projector configured to project light on a light receiving surface according to an image signal, respectively,

wherein the first projector and the second projector direct light to be supplied to the light receiving surface in a direction along the light receiving surface, and

a part of an image projected by the first projector overlaps with a part of an image projected by the second projector on the light receiving surface.

2. The projection system according to claim 1, wherein the first projector and the second projector are disposed in the vicinity of the outer periphery of the light receiving surface.

3. The projection system according to claim 1, wherein the first projector and the second projector supply light to light receiving areas having substantially the same size.

4. The projection system according to claim 3, wherein the image projected by the first projector and the image projected by the second projector overlap each other on the light receiving surface.

5. The projection system according to claim 1, wherein the first projector and the second projector are disposed such that optical axes of projecting systems extend parallel with each other.

6. The projection system according to claim 1, wherein:

the first projector and the second projector are disposed opposed to each other via an area through which light travels toward the light receiving surface.

7. The projection system according to claim 1, wherein:

a detection unit configured to detect light emitted from the first projector and entering the light receiving surface is provided; and

the second projector projects light based on a detection result obtained from the detection unit.

8. The projection system according to claim 7, wherein a plurality of the detection units are provided.

9. The projection system according to claim 7, wherein the second projector projects light to an area where light from the first projector is blocked.

10. The projection system according to claim 7, wherein the detection unit is provided at least on either the first projector or the second projector.

11. The projection system according to claim 1, wherein the light receiving surface extends substantially in parallel with a wall surface.

12. The projection system according to claim 1, wherein the light receiving surface extends substantially in parallel with a floor surface.

13. A projector configured to project light on a light receiving surface according to an image signal,

wherein the projector direct light to be supplied to the light receiving surface in a direction along the light receiving surface, and

a part of an image projected by the projector overlaps with a part of an image projected by other projector on the light receiving surface.

14. A projection system, comprising:

a plurality of projectors configured to project light on a light receiving surface according to an image signal, respectively,

wherein the plural projectors are arranged at the position of the screen neighborhood where the screen is not interrupted when seen from the front, and direct light to be supplied to the light receiving surface in a direction along the light receiving surface.