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| Full-duplex speakerphone circuit including a control interface |
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Fast deploy, retrievable and reusable airborne counter-measure system
| Details |
Inventors: Carlson, Mark A.; Jordan, James J.; Russotti, John;
Assignee: BAE Systems Information and Electronic Systems Integration, Inc. (Nashua, NH)
Primary Examiner: Gregory; Bernarr E.
Assistant Examiner:
Attorney, Agent or Firm: Long; Daniel J., Tendler; Robert K.
A fast deployment and retrieval system permits the rapid deployment of a decoy in seconds in response to an incoming threat, thus eliminating the necessity of pre-deployment, with retrieval permitting reeling in and deployment of the decoy a number of times during a mission in response to threats, and a commensurate reduction in life cycle cost. Upon detection of an incoming threat by a warning receiver, a controller coupled to a transmission releases a brake that is utilized to control the speed of deployment, whereas upon retrieval, the transmission drives a motor for retrieval of the decoy. The system is thus reusable, fast reacting, and also minimizes range penalty considerations because the decoy is only deployed when needed. In one embodiment, the system accommodates both a towing cable and a fiber-optic signal cable in which apparatus for unwinding of the cables is mechanically ganged together so that the cables pay out at the same rate. This type of payout lowers the stress on the fragile fiber-optic cable making possible multiple deployments and retrievals in response to separate threats during a mission. In another embodiment, a single, structural member with embedded conductors is utilized to connect the towed device to the round assembly. |
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DETAILED DESCRIPTION In order to change the entire tactical strategy in which decoys are deployed, in the subject system, decoys are deployed at the time when a threat is sensed, with the rapid deployment method described herein permitting the decoy to be deployed in seconds, rather than in minutes.
This is sufficient time for the decoy to be effective in thwarting an attack.
After the threat has ceased, the decoy is retrieved by reeling it in so that it can be deployed again.
The system contemplates single and multiple cable use, with the deployment system to be described permitting the use of fragile fiber-optic cables and eliminates the necessity of using fiber-optic rotary couplers.
In a multi-cable embodiment, the fiber-optic cable is wound around a tow cable when the decoy is deployed, with deployment and retrieval, done in such a manner that damage to the fiber-optic cable is kept to a minimum.
For the more complicated multi-cable embodiment, deployment or payout of the dual cable system is accomplished through providing both a tow cable and a fiber-optic cable wound around respectively a rotating spindle with a rotationally fixed bail and a rotationally-fixed bobbin with a rotating pickoff.
The takeoff apparatus which removes the cables from the respective spindle and bobbin is mechanically linked or ganged together such that the payout of the towing cable matches the payout of the fiber-optic cable to prevent cable damage.
When a warning receiver indicates an imminent threat, the output of the warning receiver is applied to a control unit which is in turn coupled to a transmission to drive a solenoid braking bobbin is mechanically linked or ganged together such that the payout of the towing cable matches the payout of the fiber-optic cable to prevent cable damage.
When a warning receiver indicates an imminent threat, the output of the warning receiver is applied to a control unit which is in turn coupled to a transmission to drive a solenoid braking system for controlling the speed of rotation of the spindle and the pick which rotates with the spindle so as to pick off or unwind the fiber-optic cable carried on the non-rotating bobbin as the bobbin translates back and forth
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