Global positioning system synchronized active light autonomous d

Details Global positioning system synchronized active light autonomous d Global positioning system synchronized active light autonomous d

1994-08-01

1996-02-06

Teska, Kevin J.

Boots, shoes, and leggings

36442402, B64G 164

Patent

active

054900751

ABSTRACT:
A Global Positioning System Synchronized Active Light Autonomous Docking System (GPSSALADS) for automatically docking a chase vehicle with a target vehicle comprising at least one active light emitting target which is operatively attached to the target vehicle. The target includes a three-dimensional array of concomitantly flashing lights which flash at a controlled common frequency. The GPSSALADS further comprises a visual tracking sensor operatively attached to the chase vehicle for detecting and tracking the target vehicle. Its performance is synchronized with the flash frequency of the lights by a synchronization means which is comprised of first and second internal clocks operatively connected to the active light target and visual tracking sensor, respectively, for providing timing control signals thereto, respectively. The synchronization means further includes first and second Global Positioning System receivers operatively connected to the first and second internal clocks, respectively, for repeatedly providing simultaneous synchronization pulses to the internal clocks, respectively. In addition, the GPSSALADS includes a docking process controller means which is operatively attached to the chase vehicle and is responsive to the visual tracking sensor for producing commands for the guidance and propulsion system of the chase vehicle.

REFERENCES:
patent: 4834531 (1989-05-01), Ward
patent: 5020876 (1991-06-01), Howard et al.
patent: 5109345 (1992-04-01), Dabney
patent: 5125736 (1992-06-01), Vaninetti et al.
patent: 5334848 (1994-08-01), Grimm

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