IP Library Granted Patent US 10,095,015
Granted Patent B2
US 10,095,015 · App. 14/431,315 · Granted Oct 9, 2018

Telescope, comprising a spherical primary mirror, with wide field of view and high optical resolution

Inventors: Marco Chiarini (Faenza, IT); Lorenzo Cibin (Trecate, IT); Roberto Ragazzoni (Rome, IT)
Assignee: OHB ITALIA S.P.A.
G02B17/08G02B5/09G02B17/0884G02B23/02G02B23/06
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Quick Facts
Patent No.
US 10,095,015
App. No.
14/431,315
Granted
Oct 9, 2018
Kind
B2
Abstract

Telescope with optical resolution and continuity of the field of view comprising a spherical primary mirror, wherein: a) said telescope is equipped with a field of view and a system of repartitioning the field of view, b) said system of repartitioning the field of view is placed in proximity of die focus of the primary mirror, and is constituted by a secondary mirror composed of n planar reflective surfaces, c) said n planar reflective surfaces are contiguous sine to the other and form a continuous multifaceted prismatic reflector, so as to obtain continuity of the field of view over the whole field, d) said n planar reflective surfaces are followed by a corresponding number of optical cameras that form n portions of image in n distinct focal planes, and e) a collecting and recording element is positioned on each n-th focal plane.

Claims (17)

1. Telescope with high optical resolution and continuity of the field of view comprising a spherical primary mirror, characterized by the fact

a) that said telescope is equipped with a wide field of view,

b) that said telescope is equipped with a system of repartitioning of the field of view,

c) that said system of repartitioning of the field of view is placed in proximity of the focus of the primary mirror, and is constituted by a secondary mirror composed by n planar reflective surfaces,

d) that said n planar reflective surfaces are contiguous one to the other and form a continuous multifaceted prismatic reflector, in such a way as to obtain continuity of the field of view over the whole field,

e) that said n planar reflective surfaces are followed by a corresponding number of optical cameras that form n portions of image in n distinct focal planes,

f) that said n portions of image are partially overlapping,

g) that on each n-th focal plane is positioned a collecting and recording element,

h) that each one of the n facets of the secondary mirror has a rhomboidal shape, and that each one of such rhomboidal facets of said secondary mirror is itself a planar mirror.

2. Telescope with high optical resolution and continuity of the field of view according to claim 1 characterized by the fact that in each n-th focal plane the collecting element is a single chip camera.

3. Telescope with high optical resolution and continuity of the field of view according to claim 2 characterized by the fact that all cameras or a subset of them are identical.

4. Telescope with high optical resolution and continuity of the field of view according to claim 2 characterized by the fact that all cameras or a subset of them are different.

5. Telescope with high optical resolution and continuity of the field of view according to claim 2 further comprises corrector lenses, and wherein there are 16 planar reflective surfaces, corrector lenses, and single chip cameras.

6. Telescope with high optical resolution and continuity of the field of view according to claim 5 characterized by the fact that the field of view of each single camera is of 2.8 square degrees.

7. Telescope with high optical resolution and continuity of the field of view according to claim 6 characterized by the fact that the overall field of view is continuous and is greater than 44 square degrees and that the resolution is better than one arc second on the overall field of view.

8. Telescope with high optical resolution and continuity of the field of view according to claim 2 characterized by the fact that every modular camera is provided with a fast shutter, equipped with a precise clock system.

9. Telescope with high optical resolution and continuity of the field of view according to claim 1 further comprises corrector lenses that are equipped with self-compensating holding frames.

Assignments (2)
CHANGE OF NAME Recorded Sep 2, 2018
From: CGS S.P.A. COMPAGNIA GENERALE PER LO SPAZIO
To: OHB ITALIA S.P.A.
Reel/Frame 046989/0849 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 2, 2015
From: CHIARINI, MARCO; CIBIN, LORENZO; RAGAZZONI, ROBERTO
To: CGS SPA COMPAGNIA GENERALE PER LO SPAZIO
Reel/Frame 035317/0167 →
Priority Claims (2)
IT CS2012A000034 · Sep 28, 2012 · national
IT CS2013A000022 · Aug 29, 2013 · national
Continuity (1)
Related Publication 20150241677A1 · Aug 27, 2015
Cited By (2)
US 12,608,935 US 12,681,280