|Publication number||USH877 H|
|Application number||US 07/285,268|
|Publication date||Jan 1, 1991|
|Filing date||Dec 16, 1988|
|Priority date||Dec 16, 1988|
|Publication number||07285268, 285268, US H877 H, US H877H, US-H-H877, USH877 H, USH877H|
|Inventors||Edward A. Antesberger|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (3), Non-Patent Citations (2), Referenced by (1), Classifications (6), Legal Events (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
The invention described herein may be manufactured, used, and licensed by the U.S. Government for governmental purposes without the payment of any royalties thereon.
This invention is in the field of recording the overall scene or selective portions thereof in armored gunnery training exercises in which the recorded battle scenes may be played back and used in the training of tank operations troops.
2. Prior Art
The gunner in a U.S. Army battle tank is equipped with an infrared (IR) gun sight for night firing operations. In a training exercise tank battle scene during periods of bad weather or total darkness the gunner can still see the battle scene. However, under these same conditions the range officer and safety office who need to monitor the entire battle scene do not have the capability to monitor the overall situation and cannot see what actually is happening in the training exercise. These bad weather and total darkness conditions usually call for discontinuing the training exercises to avoid serious accidents with possible fatalities. In the past there has been no satisfactory inclement weather or night time system to record those exercises and thus to discuss errors with gunners, tank drivers, tank commanders or new students after the gunnery exercises are completed.
Some systems have used vidicon cameras looking into the eyepiece of image intensifiers but the system had limited night time capability and no total darkness capability. Time and date reference information have been available but only with cumbersome electronic equipment. Some of this equipment was delicate in operations; especially where cloud cover was immediately followed by bright sunshine. Often high voltage and large power consumption was needed to operate these systems.
The present monitoring and recording system provides a simple, inexpensive yet workable novel system for recording gunnery training exercises, along with providing additional data on the recorded medium, under inclement weather, dusty or night time conditions.
The present IR thermal monitoring system can watch all maneuvers during tank gunnery training and can record operations at multiple locations of the total battle scene wherein additional information data may be added such as, driver, gunner, vehicle bumper number, date, and time which can be designated and entered onto the recording tape. The information can show environmental conditions as well as provide visual vehicle IR signatures to familiarize troops with these views as seen through the tank gun sight.
The system is comprised of off the shelf vendor components which are attached to the head assembly of an AN/VSG-2 U.S. Army Tank Thermal Sight (TTS). The TTS converts the infrared image into a visible image.
The available vendor items or components are a charge couple device (CCD) camera mounted on the head assembly for viewing the visible battle scene from the head assembly, a control console which controls the function of the head assembly and provides additional data, the monitors, and outputs to the recorder. The recorder may record audio along with the video of the battle scene. The head assembly has an entrance window facing the scene to be monitored. The assembly and camera attached thereto are mounted on a mount stand which allows for movement of the head assembly in azimuth and elevation as desired for viewing various locations of the battle scene.
The invention will be more clearly understood from the following detailed description with reference to the drawing.
cl BRIEF DESCRIPTION OF THE DRAWING
The single FIGURE is a block diagram schematic of the novel Live Firing Thermal Monitoring System.
The present infrared thermal monitoring system is comprised of the head assembly portion 10 of a U.S. Army AN/VSG-2 Tank Thermal Sight (TTS) which has an entrance window section 16 that faces the armored gunnery exercise battle scene, indicated in block form by 18. The incoming image form 18 is indicated by 8. The head assembly 10 contains a power converter 12 and a power supply or power source of 28 volts DC as required. Assemblies 10 and 12 are readily available in the U.S. Army stock and do not require any physical modifications for use in the present system. The assembly 10 is mounted on a mount stand, represented by dashed line 22. Stand 22 has a manually operable rotating base for swinging assembly 10 in azimuth and a mounting cradle for rotating 10 in elevation. Small elevation movements may also be made by a moveable head mirror behind the entrance window section 16. Large elevation movements are controlled by adjustable trunions on stand 22.
A camera, preferably a charge-coupled device (CCD) camera 20, is mounted to 10 by means of an adapter plate. The adapter plate is mounted using existing threaded mounting holes on assembly 10. Various companies make CCD cameras that can be used. As examples, these cameras may be made by SONY or Pulnix and other vendors. The output leads from camera 20 are attached to a control console 30 by flexible electrical cable. The console 30 also has flexible electrical cable attached to assembly 10. Both sets of electrical cables move freely when assembly 10 is moved in azimuth and elevation.
The internal circuitry of console 30 is preferably taken from the driver's viewer portion of an AN/VSG-2 Tank Thermal Sight. Console 30 contains a character generator with capability of 16 pages of information data which can be entered into the monitors 40 and recorder 42 by way of an internal buffer amplifier. This information data may typically be time, date, gunner, driver, weather conditions, tank bumper numbers etc. The data may be combined with the image from the battle scene and later reviewed by appropriate personnel. The console 30 also contains switches and controls for assembly 10 such as on, off, standby, brightness, contrast, and white or black hot polarity. The internal buffer amplifier provides video drive over long cables to possibly a plurality of monitors 40 and to a power supply for camera 20.
The monitor 40, or plurality of monitors placed at multiple locations, are used to show real time action during live fire armored gunnery training or any scene being observed by assembly 10. Multiple monitors may be used so that various observers can provide input back to the range officer operating the console 30. The monitors and recorder are readily available for U.S. Army use. The monitors may be any available as long as they have the RS-170 format. The recorders may be any recorder compatible with the monitors.
While the embodiment is described with respect to specific structure to illustrate the principles and concepts of the invention, various modifications and additions are possible by those skilled in the art without departing from the spirit and scope of the invention as claimed.
|Cited Patent||Filing date||Publication date||Applicant||Title|
|US4407009 *||Oct 27, 1981||Sep 27, 1983||The United States Of America As Represented By The Secretary Of The Army||Retrofitting a televised output device on a thermal imager|
|US4619615 *||Sep 4, 1984||Oct 28, 1986||Wegmann & Co. Gmbh||Equipment for monitoring combat vehicles, especially tanks|
|DE3023516A1 *||Jun 24, 1980||Jan 14, 1982||Wegmann & Co||Monitor system for armoured fighting vehicles - has TV cameras coupled optically to gun sights transmitting telemetry to command post|
|1||"Videotests", Video Magazine, Jun. 1988, pp. 44-45.|
|2||*||Videotests , Video Magazine, Jun. 1988, pp. 44 45.|
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US5534697 *||Sep 2, 1994||Jul 9, 1996||Rockwell International Corporation||Electro-optical sensor system for use in observing objects|
|U.S. Classification||250/330, 250/332, 348/164|
|Mar 15, 1990||AS||Assignment|
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ANTESBERGER, EDWARD A.;REEL/FRAME:005253/0979
Effective date: 19881215
Owner name: UNITED STATES OF AMERICA, THE, AS REPRESENTED BY T