EP4381333A1 - Telescope - Google Patents
TelescopeInfo
- Publication number
- EP4381333A1 EP4381333A1 EP22748397.1A EP22748397A EP4381333A1 EP 4381333 A1 EP4381333 A1 EP 4381333A1 EP 22748397 A EP22748397 A EP 22748397A EP 4381333 A1 EP4381333 A1 EP 4381333A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- primary mirror
- mirror
- primary
- telescope
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/06—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focussing action, e.g. parabolic mirror
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/16—Housings; Caps; Mountings; Supports, e.g. with counterweight
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2476—Non-optical details, e.g. housings, mountings, supports
- G02B23/2484—Arrangements in relation to a camera or imaging device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1822—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors comprising means for aligning the optical axis
- G02B7/1827—Motorised alignment
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/198—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for adjusting the mirror relative to its support
Definitions
- the present invention generally relates to telescopes.
- a telescope is an optical instrument which makes it possible to see specific celestial objects which are difficult to perceive or are invisible to the naked eye.
- the opposite faces of the primary mirror have different curvatures, so that this telescope makes it possible to benefit from two different focal lengths and thus makes it possible to vary the size of the object observed between two sizes.
- the present invention aims to provide a new telescope to overcome all or part of the problems outlined above.
- the invention relates to a telescope comprising:
- a primary optical system comprising a primary mirror support for receiving a primary mirror, also called lens;
- a secondary optical system comprising a secondary mirror support for receiving a secondary mirror
- the primary optical system comprising a primary mirror holding system for holding a primary mirror on the primary mirror support, the primary mirror holding system is adjustable so as to be able to delimit different sizes of reception of the primary mirror on the primary mirror support.
- Such a telescope design which includes a primary mirror holding system which is adjustable so as to be able to receive and hold different sizes of primary mirror, makes it possible to easily change the primary mirror in order to be able to adapt the quantity of light collected to the level desired observation detail.
- the telescope may also comprise one or more of the following characteristics taken in any technically acceptable combination.
- the spacing adjustment system comprises:
- a system of telescopic tubes comprising one or more interior telescopic tubes mounted to slide relative to one or more exterior telescopic tubes, and
- the primary optical system, the secondary optical system and the spacing adjustment system forming an optical assembly which has a longitudinal axis
- the telescope also includes a support structure that includes:
- fork block which carries the optical assembly, said fork block being articulated at the fork around an axis orthogonal to the longitudinal axis of the optical assembly.
- the telescope comprises a system for adjusting the balancing of the optical assembly with respect to the support structure, by sliding the optical assembly parallel to its longitudinal axis.
- the balancing adjustment system comprises a rack system carried by the outer tube(s) of the telescopic tube system, and a motorization carried by the fork block.
- the adjustable holding system of the primary mirror comprises several holding devices mounted to move, preferably continuously, for example along slideways, between a separated position and a close position. relative to each other to allow different sizes of receiving space to be delineated for the primary mirror.
- each holding device is provided with a locking mechanism, for example formed by a mounting of the bolt-nut type cooperating with a groove made in the support of the primary mirror, to allow to lock the position of the retaining device on the support of the primary mirror.
- a locking mechanism for example formed by a mounting of the bolt-nut type cooperating with a groove made in the support of the primary mirror, to allow to lock the position of the retaining device on the support of the primary mirror.
- each holding device comprises a lateral jaw, which is movable on the support of the primary mirror, to come into abutment against the edge of the primary mirror, and an upper jaw, movable relative to the lateral jaw to come into abutment against a reflecting face of the primary mirror.
- the secondary optical system comprises at least one, preferably several, observation orifice(s) to enable the secondary mirror to be observed.
- the secondary optical system comprises a mechanism for orienting the secondary mirror towards any one of the observation orifices, the orientation mechanism comprising for example a motor coupled to a shaft on which the secondary mirror is fixed.
- the telescope comprises at least one of the following observation devices:
- each observation device being associated with an observation orifice of the secondary optical system, towards which the secondary mirror is oriented or orientable.
- the telescope comprises said secondary mirror.
- the telescope comprises said primary mirror.
- the invention also relates to a method for mounting a second primary mirror instead of a first primary mirror in a telescope according to any one of the embodiments proposed above, the telescope comprising a mirror secondary carried by the secondary mirror support, the method comprising the following steps:
- the method also comprises the step of adjusting the position of equilibrium of the optical assembly, which comprises the primary optical system, the spacing adjustment system and the secondary optical system, with respect to a support structure which carries said optical assembly.
- Such a process thus makes it possible to replace a given primary mirror with another primary mirror of larger diameter without having to change the entire telescope.
- the adjustable holding system makes it possible to receive and hold the new primary mirror and the spacing adjustment system makes it possible to adjust the distance between the new primary mirror and the secondary mirror to adjust the focal length of the telescope according to the diameter of the new primary mirror.
- the user can select the primary mirror that he wishes to use, for example a primary mirror of small size, of reduced cost, to learn about astronomy, while having the possibility, later, to choose another primary mirror of larger dimension, to observe the objects with more detail.
- Figure 1 is a perspective view of the optical assembly of a telescope according to one embodiment of the invention, the optical assembly being provided with a small primary mirror;
- Figure 2 is a side view of the optical assembly of Figure 1, carried by a support structure;
- Figure 3 is a perspective view of the telescope optical assembly of Figure 1, the optical assembly being provided with a larger primary mirror, the distance between the primary mirror and the secondary mirror being suitable;
- FIG. 4 is a side view of the optical assembly of Figure 3, carried by the support structure, the balancing position of the optical assembly relative to the support structure being adapted to the primary mirror of larger size;
- FIG. 5 is a perspective view of the support structure of the optical assembly of the telescope, which comprises a base and a foot, called fork, to which is coupled a device, called fork block which carries the assembly telescope optics;
- FIG. 6 is a perspective view of the fork block through which extends a system of telescopic tubes, the figure showing a motorization included in the fork block configured to cooperate with a rack system carried by the tubes exteriors of the telescopic tube system to allow the position of the optical assembly to be moved relative to the fork block in order to balance the telescope;
- FIG. 7 is a perspective view of the secondary optical system of the optical assembly of the telescope which includes a secondary mirror that can be oriented towards different viewing ports;
- FIG. 8 is a perspective view of the primary mirror support plate equipped with the adjustable mirror holding system, in the active position for holding a mirror on the plate;
- FIG. 9 is a side view of the primary mirror support plate, equipped with the adjustable mirror holding system of Figure 8;
- Figure 10 is a flowchart showing several steps of a method for mounting a primary mirror in a telescope according to one embodiment of the invention.
- the focal length represents the distance between the primary mirror, also called objective, and the focus of the telescope at which the secondary mirror is located.
- focal length of a telescope The longer the focal length of a telescope, the more it allows high magnifications, to the detriment of a reduction in the field of vision and luminosity. Long focal lengths are mainly used to study planetary surfaces and small objects, while for observing or photographing large deep sky objects, one will choose shorter focal lengths.
- a reflector telescope has been shown which makes it possible to selectively receive different sizes of primary mirrors to allow the telescope to be adapted to the needs of the astronomer, without having to replace the entire telescope.
- the telescope thus has a modular aspect allowing the user to choose the primary mirror that he wishes to use and for example to replace a primary mirror with another larger primary mirror in order to be able to collect more light and thus allow the user to view more details of the object they wish to observe with the telescope.
- This telescope thus makes it possible to change the primary mirror to another primary mirror of different diameter, thickness and/or curvature.
- the telescope 1 comprises an optical assembly 100 carried by a support structure 900.
- the optical assembly 100 includes a primary optical system 11 which includes a support 113 to receive a primary mirror 7.
- the primary mirror is concave so that it returns the photons to a point which is the “image focus” or even focal point.
- the primary mirror of the telescope is used to "collect” the light.
- the optical assembly 100 also includes a secondary optical system 12 which receives the secondary mirror 8.
- the secondary mirror is intended to be positioned in the image focal point of the primary mirror.
- the primary optical system 11 makes it possible to receive different primary mirror dimensions corresponding therefore to different focal lengths.
- the optical assembly 100 also includes a spacing adjustment system 13 which makes it possible to adjust the distance between the support 113 of the primary mirror 7 and the support 121 of the secondary mirror 8, and therefore to adjust the distance between the mirror primary 7 and secondary mirror 8 to be able to position secondary mirror 8 at the focal point of primary mirror 7.
- the primary optical system comprises a body 110 which carries the support 113 for receiving the primary mirror 7.
- the support 113 which makes it possible to receive a primary mirror 7 is a plate.
- the primary optical system 11 comprises an adjustment mechanism (not shown) for the orientation of the support 113 to allow the primary mirror 7 to be oriented towards the secondary mirror 8.
- the support of the mirror secondary 8 is also provided with an adjustment mechanism (not shown) for the orientation of the support of the secondary mirror to adjust the position of the secondary mirror with respect to the mirror primary.
- the body 110 of the primary optical system 11 can accommodate a fan (not shown) for the temperature setting of the primary mirror 7.
- the secondary optical system 12 comprises a body 120 which is provided with a support 121 for the secondary mirror 8.
- the support 121 of the secondary mirror comprises a motor 122, such as a servomotor, having an output shaft 123 on which the secondary mirror 8 is fixed.
- the motorized shaft 123 on which the secondary mirror 8 is fixed forms an angular orientation system 1280 of the mirror.
- the secondary mirror is inclined with respect to the shaft 123.
- a rotation of the output shaft makes it possible to change the orientation of the secondary mirror and to direct it towards the observation orifice 1281, 1282 or 1283 wish.
- the body 120 thus has several, for example three, observation orifices.
- the telescope comprises a secondary mirror observation system.
- the telescope can thus be equipped with different observation devices (not shown) each associated with an observation orifice.
- Observation devices can include an eyepiece for a direct-to-eye observation mode, a digital reflex camera or a CCD-type digital camera.
- the or each observation device can be mounted so as to be able to approach or move away from the secondary mirror 8 to facilitate focusing.
- the advantage of being able to rotate the secondary mirror 8 with the associated motor is to limit manipulation of the telescope by the user when the telescope is in operation.
- the secondary mirror it is possible to provide for the secondary mirror to remain fixed and for it to be the observation devices which are movable, in order to be selectively positioned facing the same observation orifice associated with the secondary mirror.
- the spacing adjustment system 13 makes it possible to adjust the spacing between the body 110 of the primary optical system 11 and the body 120 of the secondary optical system 12.
- the spacing adjustment system 13 thus makes it possible to adjust the distance between the primary mirror 7 carried by the support 113 and the secondary mirror 8 carried by the support 121, and therefore to adapt the focal length of the telescope according to characteristics of the primary mirror 7 used, and in particular according to its diameter.
- the spacing adjustment system 13 comprises one or more interior telescopic tubes 132 mounted to slide with respect to one or more exterior telescopic tubes 131 .
- the adjustment system 13 comprises a system of telescopic interlocking tubes.
- the adjustment system 13 comprises two sets of telescopic tubes, located on either side of the longitudinal axis A100 of the optical assembly 100 of the telescope.
- Each set of telescopic tubes comprises an outer tube 131 and an inner tube 132 mounted to slide relative to the outer tube 131.
- the adjustment system 13 also comprises a system for driving the interior telescopic tube(s) 132 with respect to the exterior telescopic tube(s) 131.
- the system for driving the interior telescopic tube(s) interior telescopic tubes 132 with respect to the exterior telescopic tube(s) 131 may comprise one or more motors or cylinders, for example with a worm or rod, to actuate the displacement of the interior tube(s) in the direction of an exit or a re-entry with respect to the corresponding outer tube(s).
- each outer tube 131 has one end fixed to the body 110 of the primary optical system 11, and each inner tube 132 has one end fixed to the body 120 of the secondary optical system 12.
- Each outer tube 131 is carried by the fork block 19, which is part of the support structure 900 shown below, being mounted slidably movable relative to the fork block 19 through an adjustment system 15 d balancing described below.
- the fork block 19 has through passages 193 through which the outer tubes 131 extend.
- each motor or cylinder of the spacing adjustment system 13 is fixed to the body 110 of the primary optical system 11, to which is also fixed each outer tube 131, and the corresponding inner tube 132, which is coupled to the body 120 of the secondary optical system 12 is coupled to the worm or rod of the motor or cylinder.
- the actuation of the motors or jacks of the spacing adjustment system 13 causes the inner tubes 132 to extend or re-enter relative to the outer tubes 131 and therefore the body 120 to move away from or closer to the optical system.
- secondary 12 with respect to the body 110 of the primary optical system 11, which thus modifies the distance between the primary mirror 7 and the secondary mirror 8.
- the telescope comprises a connecting body 19, called a fork block, through which extends the optical assembly 100, in particular the outer tubes 131.
- the fork block is part of the support structure 900 which carries the optical assembly 100.
- the fork block 19 is articulated to the fork 9, presented below, around an axis A2.
- the telescope 1 also includes a balancing adjustment system 15 which adjusts the position of the optical assembly 100 by sliding the optical assembly 100 relative to the fork block 19
- the balancing adjustment system 15 makes it possible to move the assembly formed by the primary optical system, the secondary optical system and the spacing adjustment system 13 with respect to the support structure.
- the balancing adjustment system 15 makes it possible to move the primary optical system 11 closer or further apart, relative to the fork block 19, depending on one or more characteristics of the primary mirror used.
- the primary mirror can have different sizes, in particular different diameters.
- the balancing adjustment system 15 makes it possible to balance the optical assembly 100 on the support structure 900.
- the adjustment of the position of the optical assembly 100 is carried out so as to obtain a position of equilibrium of said optical assembly 100 which is substantially horizontal.
- the adjustment system 15 comprises a rack system 151, carried by the spacing adjustment system 13, and a motorization 152 carried by the fork block 19.
- the rack system 151 to comprise a rack fixed to each outer tube of the spacing adjustment system 13, and for the motorization 152 to comprise for each rack a motor whose output shaft, of the worm screw type, is configured to drive a gear which cooperates with the teeth of the rack fixed to the corresponding outer tube.
- the fork block 19 is carried by a foot 9, called fork. As shown in Figure 5, the fork 9 has a U shape.
- the fork block 19 is pivotally mounted on the free ends of the fork 9, around the horizontal axis A2 which is orthogonal to the longitudinal axis A100 of the optical assembly 100.
- a motorization system 92 makes it possible to pivot the fork block 19 and therefore the optical assembly 100 around the horizontal axis A2 for observation monitoring upwards or downwards.
- the motorization system 92 is preferably housed in the fork 9, at the level of the pivot connection of the fork block relative to the fork.
- the fork 9 is itself pivotally mounted on a base 109 around a vertical axis A1.
- the pivot axis A1 of the fork 9 passes through the middle of the fork 9 so that the fork 9 can turn on itself.
- a motorization 91 preferably housed in the fork 9, makes it possible to drive the fork 9 in rotation with respect to the base 109.
- the support structure 900 of the telescope which thus allows the orientation of the optical system by pivoting along two axes of mobility, thus makes it possible to monitor the observation of an object in the sky.
- the holding system 3 keeps the primary mirror 7 on the support 113 of the support system 11 of the primary mirror.
- the holding system 3 is adjustable to delimit a housing of adjustable diameter, to be able to replace a first primary mirror 7 with a second primary mirror T which has a different diameter from the first primary mirror.
- the adjustable holding system 3 makes it possible to receive, instead of a first primary mirror, a second primary mirror which also has a thickness and/or a curvature different from that of the first primary mirror.
- the holding system 3 comprises several holding devices 31 mounted to move, preferably continuously.
- the holding devices 31 are movable along slideways 331, between a separated position and a close position with respect to each other, preferably in the direction of the same point corresponding to the center of the primary mirror.
- each slide 331 is oriented with the other slides towards the center of the support 113, preferably being regularly distributed, for example at 90° around the center of the support.
- Each holding device 31 comprises a lateral jaw 310 capable of coming into abutment against the edge of the primary mirror 7, and an upper jaw 37 capable of coming into abutment against the reflecting face of the primary mirror 7.
- the lateral jaw 310 of the holding device 31 extends perpendicularly to the mean plane of the support 113.
- the lateral jaw 310 has a U-shape.
- the upper jaw 37 comprises a retaining tab, mounted to slide along the side jaw 310.
- the vertical jaw 37 projects from the lateral jaw 310 towards the center of the support 113 to form a bearing abutment against the upper face of the primary mirror.
- each holding device 31 is provided with a locking mechanism which makes it possible to lock the position of the holding device 31 on the support 113.
- the locking mechanism may comprise a bolt-nut type assembly.
- the locking mechanism thus comprises a tightening bolt 91 (also called a tightening screw) and a nut 92 trapped in a groove 309 and cooperating with the shank of the bolt 91 .
- the top of the groove 309 communicates with the guide rail (slide) 331 .
- the underside of the groove 309 is open to allow the end of the bolt 91 opposite the head of the bolt to pass, which is in contact with the retaining lug of the upper jaw 37.
- the upper and lower openings of the groove 309 each have a smaller width than the zone of the groove which houses the nut 92, to hold the latter in the groove.
- the groove can be open at one longitudinal end to open onto the peripheral periphery of the support 113 to allow the mounting of the nut in the groove.
- the telescope can be fitted with a control unit (not shown).
- the control unit makes it possible to control all or part of the electronic systems of the telescope, such as the spacing adjustment system 13, the balancing adjustment system 15, the secondary mirror orientation system and/or the motors 91, 92 pivot drive of the optical assembly around the axes A1, A2.
- the telescope may include a distance sensor system to measure the distance between the primary optical system 11 and the secondary optical system 12.
- the telescope may include an angle sensor system to measure the inclination of the optical assembly 100 relative to the fork or the base of the support structure 900.
- the telescope comprises a man-machine interface comprising a control panel making it possible to control all or part of said adjustment or orientation systems and/or motorization of the telescope.
- the motorization 92 which makes it possible to pivot the optical assembly 100 around the axis A2 to be driven to bring the optical assembly 100 horizontal using a sensor system for measuring the angle of the optical assembly 100 relative to the horizontal.
- the control unit can then control a reduction in the grip of the motorization 92 on the fork block and a displacement of the position of the optical assembly 100 with respect to the fork block 19, that is to say according to the longitudinal axis A100 of the optical assembly 100 to, using the angle sensor system, identify the position of horizontal equilibrium of the optical assembly 100 with respect to the support structure.
- control unit can be made in the form of a processor and a data memory in which computer instructions that can be executed by said processor are stored, or even in the form of a microcontroller.
- control unit can be performed by instruction sets or computer modules implemented in a processor or controller or be performed by dedicated electronic components or components of the FPGA type or ASIC. It is also possible to combine computer parts and electronic parts.
- the control unit is thus an electronic and/or computer unit.
- said unit is configured to carry out a given operation, this means that the unit comprises computer instructions and the corresponding means of execution which make it possible to carry out said operation and/or that the unit comprises electronic components correspondents.
- the telescope described above makes it possible to implement a method for mounting a second primary mirror 7' in place of a first primary mirror 7 in a telescope as described above.
- the method comprises the following steps.
- a primary mirror 7 is initially present as illustrated in Figure 1, the user deactivates (step 1010) the adjustable holding system 3 to remove the first primary mirror 7 from the primary optical system 11 .
- the adjustable retaining system 3 illustrated in Figures 8 and 9 the user can, for each retaining device 31, loosen the system formed by the bolt 91 and the nut 92 to raise the upper jaw 37 and move the assembly back of the corresponding holding device 31 along the groove (slide) 331 with respect to the mirror to be removed.
- the second primary mirror T is then positioned (step 1020) on the support 113 by adjusting the holding system 3 to hold the second primary mirror T in position.
- the lateral and vertical jaws of each holding device 31 are thus brought together against the contour of the mirror, then the corresponding locking mechanism 91, 92 is activated.
- the spacing between the second primary mirror 7' and the secondary mirror 8 is then adjusted according to the diameter of the second primary mirror 7' to position the secondary mirror at the optical focus of the second primary mirror.
- the collimation process which corresponds to the alignment of the primary mirror with the secondary mirror and the observation device, can be carried out by the user via the collimation mechanism associated with the primary mirror support 113 which can comprise a system of studs including springs and screws allowing the sides of the mirror to be raised (by unscrewing) or lowered (by screwing).
- the collimation mechanism associated with the primary mirror support 113 which can comprise a system of studs including springs and screws allowing the sides of the mirror to be raised (by unscrewing) or lowered (by screwing).
- the position of the optical assembly 100 can be adjusted with respect to the fork block 19 to balance the optical assembly 100 on the support structure, so that in equilibrium the longitudinal axis A100 of the optical assembly 100 is substantially horizontal.
- the secondary mirror can have a diameter between 31mm and 88mm without it being necessary to change the secondary mirror when changing the primary mirror.
- the distance between the support of the primary mirror and the point of rotation of the fork block at the junction of the fork can be adjusted over a range of 250mm thanks to the system racks.
- the telescope thus makes it possible to benefit from a reflector telescope for the general public, modular, in the sense that it is capable of selectively accommodating different sizes of primary mirrors thanks to the adjustable holding system which comprises clamping devices whose positions are adjustable to suit the diameter and thickness of the primary mirror.
- the adjustable holding system which comprises clamping devices whose positions are adjustable to suit the diameter and thickness of the primary mirror.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Astronomy & Astrophysics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Telescopes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2108447A FR3126048B1 (fr) | 2021-08-03 | 2021-08-03 | Telescope |
| PCT/FR2022/051310 WO2023012413A1 (fr) | 2021-08-03 | 2022-06-30 | Telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4381333A1 true EP4381333A1 (fr) | 2024-06-12 |
Family
ID=78212220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22748397.1A Withdrawn EP4381333A1 (fr) | 2021-08-03 | 2022-06-30 | Telescope |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20240345361A1 (fr) |
| EP (1) | EP4381333A1 (fr) |
| FR (1) | FR3126048B1 (fr) |
| WO (1) | WO2023012413A1 (fr) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2902204C3 (de) * | 1979-01-20 | 1982-01-14 | Fa. Carl Zeiss, 7920 Heidenheim | Wechselvorrichtung für Fangspiegel von Spiegelteleskopen |
| US6323996B1 (en) * | 1998-06-03 | 2001-11-27 | George M. Watters | Reflector telescope with an adjustable secondary mirror assembly |
| US6061175A (en) | 1998-06-03 | 2000-05-09 | Watters; George M. | Multi-focal-ratio reflector telescopes |
| US7277223B2 (en) * | 2004-07-26 | 2007-10-02 | Meade Instruments Corporation | Apparatus and methods for focusing and collimating telescopes |
| KR101249598B1 (ko) * | 2004-10-26 | 2013-04-01 | 가부시키가이샤 니콘 | 광학 장치, 경통, 노광 장치, 및 디바이스의 제조 방법 |
| US7752956B2 (en) * | 2008-01-09 | 2010-07-13 | David Rogers Campbell | Multi-functional support structure |
| CN110196481B (zh) * | 2019-05-15 | 2024-05-31 | 中国空气动力研究与发展中心超高速空气动力研究所 | 一种大口径纹影主镜支撑系统 |
-
2021
- 2021-08-03 FR FR2108447A patent/FR3126048B1/fr active Active
-
2022
- 2022-06-30 WO PCT/FR2022/051310 patent/WO2023012413A1/fr not_active Ceased
- 2022-06-30 US US18/294,300 patent/US20240345361A1/en active Pending
- 2022-06-30 EP EP22748397.1A patent/EP4381333A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR3126048B1 (fr) | 2023-06-23 |
| US20240345361A1 (en) | 2024-10-17 |
| WO2023012413A1 (fr) | 2023-02-09 |
| FR3126048A1 (fr) | 2023-02-10 |
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