Patent US5615937A successfully refreshed from Google Patents.
US5615937A
Expired / Lapsed
US
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Device for the projection/reflection of images
Assignee: Individual
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Filing: 1994-06-24
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Granted: 1997-04-01
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Expires: 2014-06-24
Abstract
Abstract A picture projection/reflection device, particularly for use in a grave marker to optimize the observation of a remembrance picture or informative display. The device consists of a housing (2) for dimming the ambient light (7), and has a light inlet opening (10) at least partially blocked by a light filtering diffuser (6), and a light outlet opening (11) provided with a reflecting member such as a mirror (1). The picture (5) to be projected is at the inlet opening. The device is suitable for grave markers, street furniture, advertising media and the like.
Inventors
- 👤 Philippe Bellanger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 12:19
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/02; B44F; B44F1/00; B44F1/02; B44F1/04; E; E04; E04H; E04H13/00; E04H13/003
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
114 words
Device for the projection and reflection of an image to optimize reading thereof, which comprises: a housing having the function of dimming external light, open at two points called respectively a light inlet opening of the housing and a light outlet opening of the housing, said light inlet opening of the housing being partially closed by a diffuser for filtering ambient external light which will traverse a transparent image disposed adjacent the light inlet opening of the housing, while said light outlet opening of the housing being provided in its vicinity with a mirror visible to an observer and on which is reflected a projected image to permit remote reading thereof by the observer.
Claim 2
Dependent Claim
114 words
Device for the projection and reflection of an image to optimize reading thereof, which comprises: a housing having the function of dimming external light, open at two points called respectively a light inlet opening of the housing and a light outlet opening of the housing, said light inlet opening of the housing being partially closed by a diffuser for filtering ambient external light which will traverse a transparent image disposed adjacent the light inlet opening of the housing, while said light outlet opening of the housing being provided in its vicinity with a mirror visible to an observer and on which is reflected a projected image to permit remote reading thereof by the observer.
Claim 3
Dependent Claim
10 words
Device according to claim 1, wherein the housing is ventilated.
Claim 4
Dependent Claim
26 words
Device according to claim 1, wherein the image is a photographic image, and the diffuser is incorporated in the photographic image developed on a translucent support.
Claim 5
Dependent Claim
28 words
Device according to claim 1, wherein the diffuser is disposed before the image in an inlet direction from the ambient external light into the interior of the housing.
Claim 6
Dependent Claim
34 words
Device according to claim 1, wherein the image is protected from damage by a support, which limits a volume which is at least partially closed and of which at least two surfaces are transparent.
Claim 7
Dependent Claim
15 words
Device according to claim 5, wherein the support comprises double glazing to protect the image.
Claim 8
Dependent Claim
16 words
Device according to claim 1, wherein the housing is positioned by at least one support means.
Claim 9
Dependent Claim
47 words
Device according to claim 1, wherein said device is disposed on an upper surface of a tombstone, said light inlet opening of the housing being positioned upward, and said light outlet opening of the housing being directed downwardly at a variable inclination ranging from 0° to 180°.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-03-31 | 2000-09-30 | 2001-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-03-31 | 2004-09-30 | 2005-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-03-31 | 2008-09-30 | 2009-04-01 | $7700.00 | Window Closed / Lapsed |