US3609027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for producing multiple images
Assignee: Thales SA
•
Filing: 1969-04-29
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Granted: 1971-09-28
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Expires: 1989-04-29
Abstract
Abstract An arrangement for projecting by means of a quasi-monochromatic incoherent source of radiant energy, multiple images of a transparency illuminated by the above-mentioned source. The multiple images are projected through the medium of a holographic lens.
Inventors
- 👤 Serge Lowenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:57
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/32; G06; G06V; G06V10/00; G06V10/88
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
74 words
An arrangement for producing a multiple image of an object comprising: a quasi-monochromatic incoherent light source for illuminating said object; a hologram of a bidimensional arrangement of luminous spots, placed in a plane substantially parallel to said hologram, the latter beiNg located for receiving light from said illuminated object; and optical means associated with said hologram for providing a real multiple image of said object by illuminating said hologram by means of said object.
Claim 2
Dependent Claim
74 words
An arrangement for producing a multiple image of an object comprising: a quasi-monochromatic incoherent light source for illuminating said object; a hologram of a bidimensional arrangement of luminous spots, placed in a plane substantially parallel to said hologram, the latter beiNg located for receiving light from said illuminated object; and optical means associated with said hologram for providing a real multiple image of said object by illuminating said hologram by means of said object.
Claim 3
Dependent Claim
28 words
An arrangement as claimed in claim 1, wherein said optical means comprise an objective lens arranged for collecting the light beam from said object diffracted by said hologram.
Claim 4
Dependent Claim
77 words
An arrangement as claimed in claim 2, wherein said object is located at the place where the reference source was located with respect to said hologram for the formation thereof. 4: An arrangement as claimed in claim 2, wherein said optical means further comprise a dispersive system arranged in the path of said light beam, said dispersive system having a chromatic aberration opposite to the chromatic aberration of the combination of said objective lens and said hologram.
Claim 5
Dependent Claim
36 words
An arrangement as claimed in claim 1, wherein said optical means comprise an objective lens positioned between said object and said hologram for forming an image of said object at the other side of said hologram.
Claim 6
Dependent Claim
97 words
An arrangement as claimed in claim 5, wherein said objective lens is selected as to its focal distance and is disposed with respect to said hologram for said image to be formed at the place where the reference source was located with respect to said hologram for the formation thereof. 7: An arrangement as claimed in claim 5, wherein said optical means further comprise a dispersive system arranged between said object and said objective lens, said dispersive system having a chromatic aberration opposite to the chromatic aberration of the combination of said objective lens and said hologram.
Claim 7
Dependent Claim
40 words
An arrangement as claimed in claim 7, wherein said dispersive system comprises a plate with parallel faces constituted by two prisms with the same refractive index for the mean wavelength of said light source and with respective opposite dispersive powers.
References Cited (Backward Citations)
US3405614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |