Abstract: A geodetic surveying instrument, such as a total station, stationed with instrument center coordinates at ground coordinates in a stationing height above ground. The instrument comprises a sighting unit for aiming a measurement target point, with an opto-electronic distance meter to determine a target distance and two axes for aiming the sighting unit, with goniometers to determine a target direction. It also comprises a tilt sensor to determine a tilt value of the instrument and a measurement-controller to derive measured coordinates of the measurement target point based on this target direction and target distance.

Abstract: Method for viewing a laser spot included in a multispectral image representing an optical field composed of pixels including a plurality of components, the laser spot being produced by a laser pointer and having a wavelength taking values in a range of wavelengths dependent on operating temperatures of the laser pointer. The method includes: obtaining a multispectral image in which each component corresponds to the same instant of acquisition and represents a spectral band in a plurality of spectral bands covering continuously a spectral domain comprising said range of wavelengths; applying a contrast-accentuation procedure to a subpart of the multispectral image comprising the laser spot in order to obtain a subpart in which a contrast between the laser spot and a background is improved; and generating an image allowing display of the laser spot using information obtained following the application of said procedure.

Abstract: A geodetic surveying instrument, such as a total station, stationed with instrument center coordinates at ground coordinates in a stationing height above ground. The instrument comprises a sighting unit for aiming a measurement target point, with an opto-electronic distance meter to determine a target distance and two axes for aiming the sighting unit, with goniometers to determine a target direction. It also comprises a tilt sensor to determine a tilt value of the instrument and a measurement-controller to derive measured coordinates of the measurement target point based on this target direction and target distance.

Abstract: The invention concerns an opto-electronic device for observing and/or aiming at a scene comprising a target (C), comprising an observation module (1) comprising an image sensor (10) and a stabiliser (11) for a line of sight (100) towards the target (C); and a telemeter (2) comprising a multi-shot pulsed laser (20) for emitting a plurality of outward laser pulses (An) in the direction of the target (C) to be telemetered, and a detector (21) for a plurality of return laser echoes (Rn) reflected by the scene in order to generate an electrical signal for each return laser echo (Rn) in order to effect a measurement of the distance to the target (C), each return laser echo (Rn) corresponding to an outward laser pulse (An); characterised in that it also comprises a sensor (3) of angular movement of the device with respect to the stabilised line of sight (100) in order to determine an angular radius (?n) of each outward laser pulse (An) with respect to the stabilised line of sight (100); and a selector (4)

Abstract: The invention concerns an opto-electronic device for observing and/or aiming at a scene comprising a target (C), comprising an observation module (1) comprising an image sensor (10) and a stabiliser (11) for a line of sight (100) towards the target (C); and a telemeter (2) comprising a multi-shot pulsed laser (20) for emitting a plurality of outward laser pulses (An) in the direction of the target (C) to be telemetered, and a detector (21) for a plurality of return laser echoes (Rn) reflected by the scene in order to generate an electrical signal for each return laser echo (Rn) in order to effect a measurement of the distance to the target (C), each return laser echo (Rn) corresponding to an outward laser pulse (An); characterised in that it also comprises a sensor (3) of angular movement of the device with respect to the stabilised line of sight (100) in order to determine an angular radius (?n) of each outward laser pulse (An) with respect to the stabilised line of sight (100); and a selector (4)

Abstract: An optronic observation device including a detector having a photocathode and a sensor arranged to receive an incident light beam. The device also including a switch to position an optical element opposite the detector in the pathway of the incident beam or to retract the optical element and a focusing element to focus an incident ray on the photocathode when the optical element is in a retracted position. When the optical element is positioned opposite the detector, it is able to focus the beam on the sensor and to filter the beam spectrally to block all or part of the wavelengths for which the responsiveness of the photocathode is greater than a given threshold.

Abstract: The invention concerns an optronic observation device comprising a detector, the detector comprising a photocathode and a sensor arranged to receive an incident light beam, the device also comprising switching means able to position an optical element opposite said detector on the pathway of the incident beam or to retract said element, the device comprising means able to focus an incident ray on the photocathode when the element is in retracted position, characterized in that the element, when positioned opposite the detector, is able to focus the beam on the sensor and to filter the beam spectrally to block all or part of the wavelengths for which the responsiveness of the photocathode is greater than a given threshold.

Abstract: The assembly comprises a laser emitter (100), localization means (200) for providing data on the angle between a target and a projectile, an aiming block (300) enabling an operator to aim at the target optically, and collimator means (400) enabling the operator to center the target in the field of view. In accordance with the invention, harmonization means (500), e.g. a crossed-prism deflector (501, 502) interposed between the collimator means and the aiming block, are provided to adjust the angular orientation of the collimation direction in such a manner as to cause said direction (O.sub.7 D.sub.7) to coincide with the reference (A.sub.2 B.sub.2) or aiming (A.sub.1 B.sub.1, C.sub.1 D.sub.1) direction, i.e. with the direction corresponding to the real aiming and designation direction to the target, and also with the localization direction (J.sub.3 K.sub.3), i.e. the direction in which the localization means sees the designated target.