EP1266260A1 - Zielgerät mit vier festen reflektierenden oberflächen - Google Patents

Zielgerät mit vier festen reflektierenden oberflächen

Info

Publication number
EP1266260A1
EP1266260A1 EP01919549A EP01919549A EP1266260A1 EP 1266260 A1 EP1266260 A1 EP 1266260A1 EP 01919549 A EP01919549 A EP 01919549A EP 01919549 A EP01919549 A EP 01919549A EP 1266260 A1 EP1266260 A1 EP 1266260A1
Authority
EP
European Patent Office
Prior art keywords
conical
electromagnetic wave
conical surfaces
reflecting means
reflecting
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Withdrawn
Application number
EP01919549A
Other languages
English (en)
French (fr)
Inventor
Sajan Gianchandani
Alexandre Leroy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Egg Solution Optronics SA
Original Assignee
Egg Solution Optronics SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Egg Solution Optronics SA filed Critical Egg Solution Optronics SA
Publication of EP1266260A1 publication Critical patent/EP1266260A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/32—Means for focusing
    • G03B13/34—Power focusing
    • G03B13/36—Autofocus systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • G01C3/08—Use of electric radiation detectors
    • G01C3/085—Use of electric radiation detectors with electronic parallax measurement
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
    • G03B37/06—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe involving anamorphosis

Definitions

  • the present invention relates to the field of so-called “passive” sighting devices and detectors.
  • the present invention relates more particularly to an aiming device making it possible to determine the position of a target in space, of the type comprising at least one reflector provided with an external, at least partially reflecting surface, associated with a sensor electromagnetic waves.
  • the present invention intends to remedy the drawbacks of the prior art by proposing a fixed aiming device which does not require moving the objectives of the electromagnetic wave sensors to follow a target in space.
  • the present invention is of the type described above and it is remarkable, in its broadest sense, in that the device comprises four reflecting means each associated respectively with an electromagnetic wave sensor, said reflecting means being each provided respectively with a concave conical surface and being arranged so that the axes respectively of the four conical surfaces are parallel and vertical, three conical surfaces being arranged in the same horizontal mean plane so that their respective axes form in horizontal section a triangle and the fourth conical surface being arranged above the other three.
  • a cone is a regulated surface whose generator passes through a fixed point, the vertex.
  • a concave cone is a cone whose generator has a curvature in the direction of the axis of the cone.
  • said conical surfaces are generated by a substantially parabolic generator or by a generator substantially in an arc of a circle or even by a substantially elliptical generator.
  • the three conical surfaces are preferably arranged in the same horizontal mean plane so that their respective axes form in horizontal section an equilateral triangle.
  • Said reflecting means each preferably have a shape of a concave cone which has an apex, said apices being oriented towards said electromagnetic wave sensors.
  • Said reflecting means are preferably each arranged in a protective housing.
  • the protective boxes each have at least one window that is at least partially transparent over at least the entire height of at least part of said conical surfaces.
  • the present invention makes it possible to produce a compact, light and handy aiming device.
  • the aiming parameters of the aiming device according to the invention can be easily modified.
  • the present invention makes it possible to reduce the times for calculating the positions and to obtain sighting data extremely quickly.
  • FIG. 1 illustrates a perspective view of the device according to the invention
  • FIG. 2 illustrates a front view of the device according to the invention
  • Figure 3 illustrates a top view of the device according to the invention.
  • the aiming device (10) is a device making it possible to determine the position of a target in space, of the type comprising at least one reflector (20) provided with a surface (30), external, at least partially reflecting, associated with an electromagnetic wave sensor (40).
  • the sighting device (10) is characterized in that it comprises four means reflectors (20, 21, 22, 23) each associated respectively with an electromagnetic wave sensor (40, 41, 42, 43) said reflector means (20, 21, 22, 23) being each provided with a surface ( 30, 31, 32, 33) conical, concave and being arranged so that the axes (A0, Al, A2, A3) respectively of the four conical surfaces (30, 31, 32, 33) are parallel and vertical, three surfaces (31, 32, 33) conical being arranged in the same horizontal mean plane P so that their respective axes (A1, A2, A3) form a horizontal section in a triangle and the fourth conical surface (30) being disposed above the three others.
  • the three conical surfaces (31, 32, 33) are arranged in the same horizontal mean plane P preferably so that their respective axes (A1, A2, A3) form in horizontal section an equilateral triangle.
  • the location of the fourth conical surface (30) does not matter: it can be arranged so that its axis (A0) is inscribed in the triangle formed by the axes (Al, A2, A3) respectively of the three surfaces (31, 32, 33) conical, as illustrated in Figure 3.
  • the reflecting means (20, 21, 22, 23) are preferably identical and are positioned respectively in the optical axis of the electromagnetic wave sensors (40, 41, 42, 43).
  • the conical surfaces (30, 31, 32, 33) are generated by a substantially parabolic generator or by a generator substantially in an arc of a circle or by a substantially elliptical generator, according to the characteristics of determination of position sought.
  • each surface is therefore a circle or an ellipse. Thanks to the conical and concave surfaces (30, 31, 32, 33), the starting point of the angle of vision of the proximal end of each reflecting means is offset towards its distal end.
  • the conical surfaces (30, 31, 32, 33) reflect neither the observer nor an electromagnetic wave sensor (40, 41, 42, 43) positioned in place of the latter.
  • the electromagnetic wave sensors (40, 41, 42, 43) are then outside the fields of vision (50, 51, 52, 53), as illustrated in FIG. 2 and the surfaces (30,
  • Said reflector means (20, 21, 22, 23) preferably each have a cone shape which has an apex (60, 61, 62, 63), said apexes (60, 61, 62, 63) being oriented towards said sensors electromagnetic waves (40, 41, 42, 43), to minimize loss of light.
  • Said reflecting means (20, 21, 22, 23) are each arranged in a protective housing (70, 71, 72, 73) each having at least one window (80, 81, 82, 83) at least partially transparent on the at least the entire height of at least part of said surfaces (30, 31,
  • the induced fields of vision (50, 51, 52, 53) are 360 ° in the horizontal plane and approximately 90 ° in the vertical plane.
  • the values of the fields of vision are essentially defined by the curvature of the reflecting surfaces and the vertical position of the fourth reflecting surface with respect to the first three.
  • a common support is preferably also provided at the lower end of the device.
  • the device therefore makes it possible to calculate the position (three coordinates in space) of a target extremely quickly with adequate computer processing, even when the target is very far away (several tens of meters).
  • the coordinates of the target are determined by triangulation.
  • two reflecting means situated on the same plane P, each associated respectively with a sensor.
  • the vertical coordinates are then determined by the fourth reflecting surface located in another plane, but whose axis is parallel to the axis of the other three.
  • the data possibly provided by the third reflecting surface located in the plane P serve to compare those obtained by the first two.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Stereoscopic And Panoramic Photography (AREA)
  • Studio Devices (AREA)
  • Measurement Of Optical Distance (AREA)
  • Lenses (AREA)
  • Aerials With Secondary Devices (AREA)
EP01919549A 2000-03-22 2001-03-22 Zielgerät mit vier festen reflektierenden oberflächen Withdrawn EP1266260A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0003672 2000-03-22
FR0003672A FR2806809B1 (fr) 2000-03-22 2000-03-22 Dispositif d'aquisition d'image panoramique
PCT/FR2001/000878 WO2001071420A1 (fr) 2000-03-22 2001-03-22 Dispositif de visee a quatre surfaces reflechissantes fixes

Publications (1)

Publication Number Publication Date
EP1266260A1 true EP1266260A1 (de) 2002-12-18

Family

ID=8848390

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00964329A Withdrawn EP1266263A1 (de) 2000-03-22 2000-09-20 Gerät zur aufnahme von panoramabildern
EP01919549A Withdrawn EP1266260A1 (de) 2000-03-22 2001-03-22 Zielgerät mit vier festen reflektierenden oberflächen

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP00964329A Withdrawn EP1266263A1 (de) 2000-03-22 2000-09-20 Gerät zur aufnahme von panoramabildern

Country Status (15)

Country Link
US (3) US20020126395A1 (de)
EP (2) EP1266263A1 (de)
JP (1) JP2003528351A (de)
KR (1) KR20030005235A (de)
CN (1) CN1452730A (de)
AU (3) AU7528900A (de)
BR (1) BR0017169A (de)
CA (1) CA2402618A1 (de)
EA (1) EA200200984A1 (de)
FR (1) FR2806809B1 (de)
IL (3) IL151844A0 (de)
MX (1) MXPA02009246A (de)
TW (1) TW528924B (de)
WO (2) WO2001071423A1 (de)
ZA (1) ZA200208455B (de)

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Also Published As

Publication number Publication date
US20030043261A1 (en) 2003-03-06
CN1452730A (zh) 2003-10-29
US20030053080A1 (en) 2003-03-20
IL151844A0 (en) 2003-04-10
EP1266263A1 (de) 2002-12-18
CA2402618A1 (fr) 2001-09-27
EA200200984A1 (ru) 2003-02-27
US20020126395A1 (en) 2002-09-12
IL151842A0 (en) 2003-04-10
BR0017169A (pt) 2003-01-14
IL151845A0 (en) 2003-04-10
WO2001071420A1 (fr) 2001-09-27
AU7528900A (en) 2001-10-03
ZA200208455B (en) 2003-10-20
WO2001071423A1 (fr) 2001-09-27
FR2806809B1 (fr) 2002-11-22
JP2003528351A (ja) 2003-09-24
KR20030005235A (ko) 2003-01-17
AU4662901A (en) 2001-10-03
FR2806809A1 (fr) 2001-09-28
TW528924B (en) 2003-04-21
MXPA02009246A (es) 2004-08-12
AU4662801A (en) 2001-10-03

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