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WO2003060554A1 - Indicateur d'objets optiques et opto-electroniques - Google Patents

Indicateur d'objets optiques et opto-electroniques Download PDF

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Publication number
WO2003060554A1
WO2003060554A1 PCT/RU2002/000450 RU0200450W WO03060554A1 WO 2003060554 A1 WO2003060554 A1 WO 2003060554A1 RU 0200450 W RU0200450 W RU 0200450W WO 03060554 A1 WO03060554 A1 WO 03060554A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical
receiver
illuminator
lamp
indicator
Prior art date
Application number
PCT/RU2002/000450
Other languages
English (en)
Inventor
Nikolai Nikolaevich Slipchenko
Michail Ilich Krimski
Original Assignee
Nikolai Nikolaevich Slipchenko
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 Nikolai Nikolaevich Slipchenko filed Critical Nikolai Nikolaevich Slipchenko
Priority to EP02806413A priority Critical patent/EP1459096A1/fr
Publication of WO2003060554A1 publication Critical patent/WO2003060554A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/04—Systems determining the presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/4802—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section

Definitions

  • the present invention relates to instrument engineering and it can be used as an indicator unit for detection of optoelectronic objects upon getting into their field of view; for instance, it can be used for search of microscope objectives inside premises (within the distance of 3-30 m), for bearing of optical and optoelectronic objects for aiming, observation and guidance in the surroundings (at the distance up to 1 ,000 m), for installation into photo and cine techniques in order to detect optical means which carry out unauthorized observation.
  • Laser System for the detection of optoelectronic objects (Russian Patent N 21 13717) is considered the prior art of the invention; it consists of a frequency-impulse laser with an objective, a photo receiver with an objective, a narrow-band interference filter, an optoelectronic object, a platform rotating round a vertical axis, a threshold device of the intensity of laser emission, a counter of impulse emission, a sensor of the angle position of photo receiver and frequency-impulse laser, a coordinates determining unit and a sound- alarm device.
  • the drawback of this laser System for detection of optoelectronic objects is an impossibility to use it for object's detection in a wide range of emission spectrum, as well as it is sophisticated in exploitation and it is expensive.
  • the general purpose of the invention is an expansion of range of the sounding's spectrum and also a simplification in use and reduction of cost price.
  • incoherent emission with a specially made diagram of directivity
  • the field of emission is a square; the spread may vary depending on the task defined. If the distance for search is huge, e.g. 1 ,000 m, the emission is collimated mostly so that the linear dimensions of square do not exceed ⁇ 3m right in the whereabouts of object (that is the spread is ⁇ 3 x 10 "3 rad); if the distance for search is small, e.g.
  • the spot in the whereabouts of object should be chosen bigger in order to catch the bigger square, that is why the spread is to be ⁇ (7-8), that is -0, 15 rad], which sounds the space, and if there are any optical and optoelectronic objects there, the emission, that has got to the limits of their fields of view, should "glare back", while the maximum intensity of the reflected signal is in the direction of the optical axis of this object.
  • the eye and the observation optical means can be changed for the receiver of optical signals (for instance, an avalanche photodiode or a pin- photodiode) and the receiving lens accordingly, moreover the receiver is set in the focus of the receiving lens. Then the indicator becomes invisible, and as it is equipped with a signal processing unit, that is why it gets an ability to define coordinates of "glaring objects" and it is more useful to settle the tasks of protection of buildings, special teams in march, and there is no need in any observer (operator) to take part in the procedure.
  • optical signals for instance, an avalanche photodiode or a pin- photodiode
  • FIGURE 1 shows the optical scheme of the indicator's design with visual fixation to the environment.
  • An indicator of optical and optoelectronic objects comprises an illuminator (1), which consists of:
  • the eye (5) of observer are set parallel to the optical axis of the illuminator and the "glaring object" (6).
  • the device performs in the following way.
  • the incoherent emission from the illuminator (1) sounds the space and if detects the "glaring object” (6), the emission of maximum intensity and reflected from the detected "glaring object” goes at the optical axis of this "object” and through the beam splitter (2), the pan/tilt mirror (3), the telescope (4) and then it is fixed by the observer's eye (5).
  • the incoherent system gives the wide range of spectrum, including the visible one, that can not be avoided, otherwise the "glaring object" itself becomes “blind”. 2.
  • the slope of the "glaring objects" in the variant of incoherent emitters surpasses the angle of search of laser systems, as their emitter diagram is wider.
  • the indicator is much cheaper and it is easier in operation.
  • the laser emission band changes its position to that part of spectrum, which is more long-wave with the step of 2 nm/°, but the incoherent light does not: image-converter tubes and photo receivers change their sensibility according to the ambient temperature, but not the eye does not change it; finally, the power supply of lasers, image- converter tubes and photo receivers have to provide high stability of power parameters, moreover they are really sensitive upon subzero temperature; the source of incoherent light is less fastidious in this case.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

L'invention concerne la conception d'instruments et peut être utilisée en tant qu'unité indicatrice dans la détection d'objets opto-électroniques lors de l'entrée dans leur champ de vision, par exemple, lors de recherche d'objectifs de microscope locaux (distance égale à 3-30m), en vue de supporter des objets optiques ou opto-électroniques pour viser, observer et guider dans les alentours (à une distance allant jusqu'à 1 000 m), aux fins d'installation dans des techniques photographiques et cinématographiques afin d'enregistrer des moyens optiques qui effectuent des observations non autorisées. L'objectif de l'invention consiste à élargir la gamme de sondage atteinte par la source d'émission fabriquée comme un illuminateur, comprenant la lampe halogène à filaments verticaux, le miroir concave capturant l'émission diffusée par la lampe, ainsi que par la lentille-la lampe est placée dans son foyer, et le séparateur de faisceau, au niveau de l'axe optique de l'illuminateur. Le récepteur est constitué d'un miroir vertical/incliné, d'un télescope et de l'oeil de l'observateur aligné. En outre, les axes optiques de l'illuminateur et le récepteur sont parallèles, le récepteur de l'indicateur étant fabriqué comme la photodiode à avalanche et la lentille de réception. La photodiode étant placée dans le foyer de la lentille de réception (fig. 1).
PCT/RU2002/000450 2001-12-27 2002-10-14 Indicateur d'objets optiques et opto-electroniques WO2003060554A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02806413A EP1459096A1 (fr) 2001-12-27 2002-10-14 Indicateur d'objets optiques et opto-electroniques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2001135381/28A RU2001135381A (ru) 2001-12-27 2001-12-27 Индикатор оптических и оптоэлектронных объектов
RU2001135381 2001-12-27

Publications (1)

Publication Number Publication Date
WO2003060554A1 true WO2003060554A1 (fr) 2003-07-24

Family

ID=20254952

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2002/000450 WO2003060554A1 (fr) 2001-12-27 2002-10-14 Indicateur d'objets optiques et opto-electroniques

Country Status (3)

Country Link
EP (1) EP1459096A1 (fr)
RU (1) RU2001135381A (fr)
WO (1) WO2003060554A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998021617A1 (fr) * 1996-11-10 1998-05-22 Nikolai Nikolaevich Slipchenko Systeme laser permettant de detecter des objets optoelectroniques
US5793034A (en) * 1995-09-18 1998-08-11 Daedalus Enterprises, Inc. Target detection system utilizing multiple optical criteria
WO1999040458A2 (fr) * 1998-02-05 1999-08-12 Nikolai Nikolaevich Slipchenko Dispositif de detection d'objets optoelectroniques
WO2000002062A2 (fr) * 1998-07-03 2000-01-13 Nikolai Nikolaevich Slipchenko Procede de detection et systemes optiques et optoelectroniques

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5793034A (en) * 1995-09-18 1998-08-11 Daedalus Enterprises, Inc. Target detection system utilizing multiple optical criteria
WO1998021617A1 (fr) * 1996-11-10 1998-05-22 Nikolai Nikolaevich Slipchenko Systeme laser permettant de detecter des objets optoelectroniques
WO1999040458A2 (fr) * 1998-02-05 1999-08-12 Nikolai Nikolaevich Slipchenko Dispositif de detection d'objets optoelectroniques
WO2000002062A2 (fr) * 1998-07-03 2000-01-13 Nikolai Nikolaevich Slipchenko Procede de detection et systemes optiques et optoelectroniques

Also Published As

Publication number Publication date
EP1459096A1 (fr) 2004-09-22
RU2001135381A (ru) 2003-09-10

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