SITUATIONAL AWARENESS OBSERVATION APPARATUS

• US 20090086015A1
• Filed: 07/31/2008
• Published: 04/02/2009
• Est. Priority Date: 07/31/2007
• Status: Abandoned Application

• Current Assignee: Kongsberg Defence & Aerospace As (Government of Norway)
• Original Assignee: Kongsberg Defence & Aerospace As (Government of Norway)
• Inventors: Larsen, Jan Ove, Norland, Magne, Johnsen, Roar, Lien, Aslak Jarle, Lorentsen, Magne, Fuglstad, Halgeir
• Application Number:
  US12/183,450
• Publication Number:
  US 20090086015A1
• Time in Patent Office: Days
• US Class Current: 348/46
• CPC Class Codes: F41G 3/165 using a TV-monitor
• CPC Class Codes: F41G 3/225 Helmet sighting systems
• CPC Class Codes: H04N 7/185 from a mobile camera, e.g. for remote control

Abstract

A positionable sensor assembly for a real-time remote situation awareness apparatus includes a camera for capturing an image of a scene, a plurality of first acoustic transducers for capturing an audio input signal from an environment including the scene, at least one second acoustic transducer excitable to emit an audio output signal, a support structure for supporting the camera, the plurality of first acoustic transducers and the at least one second acoustic transducer, the support structure connected to a base, moveably at least about an axis of rotation relative to the base by a remote controllable support structure positioning actuator, and a transmission unit adapted to transfer in real-time between the transducer assembly and a remote location a captured image of the scene, a captured audio input signal from the environment, an excitation signal to the second acoustic transducer, and a control signal to the support structure positioning actuator. A positionable sensor assembly for a real-time remote situation awareness apparatus. The sensor assembly comprises a camera arranged to capture an image of a scene, a plurality of first acoustic transducers adapted to capture an audio input signal from an environment comprising said scene, at least one second acoustic transducer excitable to emit an audio output signal, a support structure arranged to support said camera, said plurality of first acoustic transducers and said at least one second acoustic transducer, said support structure connected to a base, moveably at least about an axis of rotation relative to said base by a support structure positioning actuator controllable from a remote location, and a transmission means adapted to transfer in real-time between said transducer assembly and said remote location a captured image of said scene, a captured audio input signal from said environment, an excitation signal to said second acoustic transducer, and a control signal to said support structure positioning actuator.

Claims

1. A positionable sensor assembly for a real-time remote situation awareness apparatus, the sensor assembly comprising,

a camera arranged to capture an image of a scene,

a plurality of first acoustic transducers adapted to capture an audio input signal from an environment comprising said scene,

at least one second acoustic transducer excitable to emit an audio output signal,

a support structure arranged to support said camera, said plurality of first acoustic transducers and said at least one second acoustic transducer, said support structure connected to a base, moveably at least about an axis of rotation relative to said base by a support structure positioning actuator controllable from a remote location, and

a transmission means adapted to transfer in real-time between said transducer assembly and said remote location a captured image of said scene, a captured audio input signal from said environment, an excitation signal to said second acoustic transducer, and a control signal to said support structure positioning actuator.

2. The sensor assembly of claim 1, comprising a plurality of artificial ears including said first acoustic transducers and being adapted to pick up a binaural sound field at or around said sensor assembly so as to convey to an operator at said remote location a sense of direction to a source of said sound field relative to said support structure.

3. The sensor assembly of claim 1, comprising a plurality of artificial ear devices formed according to at least one of two ears of an individual, wherein

at least two of said plurality artificial ear devices including a respective one of said plurality of first transducers to provide directivity to said respective first transducer, and

said plurality of artificial ear devices being arranged on different parts of said support structure to receive at least part of said audio input signal arriving from said environment comprising said scene.

4. The sensor assembly of claim 2, wherein said plurality of artificial ear devices contains two artificial ear devices located on said support structure in positions corresponding to positions of said two ears of said individual.

5. The sensor assembly of claim 1, wherein the camera is a camera for capturing said image from light at wavelengths within the visual range of wavelengths or from light at wavelengths within an atmospheric transmission band for near infrared or far infrared wavelengths.

6. The sensor assembly of claim 1, wherein the camera includes two optical image sensors arranged to provide a said image of said scene as a stereoscopic image.

7. The sensor assembly of claim 1, comprising a fast servo controlled device adapted to control an orientation of said support structure relative to said base.

8. The sensor assembly of claim 1, comprising an image stabilizer means adapted to stabilize a said captured image of said scene by rapid movements of said support structure relative to said scene.

9. The sensor assembly of claim 1, wherein the second acoustic transducer is a directional acoustic transducer adapted to emit said audio output signal towards said scene.

10. The sensor assembly of claim 1, wherein said audio output signal is a voice signal.

11. A real-time remote situation awareness apparatus comprising the sensor assembly of claim 1, the real-time remote situation awareness apparatus further comprising

a direction sensor means adapted to determine a direction, relative to the base, of a line of vision of a human observer at said remote location and to output said direction to said transmission means as a control signal to the support structure positioning actuator, and

a presentation structure arranged to carry image and audio presentation devices in communication with said transmission means, said image and audio presentation devices adapted to render to said observer said captured image of said scene in said line of vision and said captured audio input signal in a direction of hearing of said observer.

12. The apparatus of claim 11, wherein

said presentation structure is a head wearable structure adapted to locate said audio presentation devices relative to a wearers head so as to provide a binaural sound reproduction enabling stimulation of a wearers natural response reaction to turn the head towards an apparent source of said sound.

13. The apparatus of claim 11, wherein

said presentation structure is a head wearable structure, and

said direction sensor means is adapted to determine the direction of the line of vision of the observer by determining an angular position relative to the base of the head wearable structure worn by the observer.

14. The apparatus of claim 11, further including a microphone in communication with the transmission means and arranged at said remote location to pick up a voice signal from the human observer and to output a signal adapted to cause the second acoustic transducer to emit said voice signal.

15. The apparatus of claim 1, the apparatus being linked to a mobile platform, and further including an optical pointing device, preferably a laser beam transmitter, positioned adjacent to at least one camera and aligned so as to emit a beam of light on command from the operator, and the apparatus having a position data output adapted to transfer position data of the sensor assembly to a fire control director of a remote weapon system RWS linked to said platform.

16. The apparatus of claim 1, the apparatus being linked to a mobile platform, and the apparatus having a position data input adapted to receive position data of a fire control director of a remote weapon system RWS linked to said platform, and adapted to render on an operator display an indication of a target or a position of a target at which the RWS weapon is being aimed.

17. A reconnaissance or combat vehicle including the sensor assembly of claim 1, the vehicle comprising a body having an interior space, wherein the base is affixed to or constituted by the body, and the remote location is at least in part in the interior space of the vehicle.

18. A reconnaissance or combat vehicle including the apparatus of claim 11, the vehicle comprising a body having an interior space, wherein the base is affixed to or constituted by the body, and the remote location is at least in part in the interior space of the vehicle.

19. The sensor assembly of claim 3, wherein said plurality of artificial ear devices contains two artificial ear devices located on said support structure in positions corresponding to positions of said two ears of said individual.

20. The apparatus of claim 12, further including a microphone in communication with the transmission means and arranged at said remote location to pick up a voice signal from the human observer and to output a signal adapted to cause the second acoustic transducer to emit said voice signal.