Freeze frame apparatus for moving map display system

Details Freeze frame apparatus for moving map display system Freeze frame apparatus for moving map display system

1985-11-01

1988-07-05

Harkcom, Gary V.

Boots, shoes, and leggings

358 54, 364521, G06F 1566, H04N 911

Patent

active

047559560

ABSTRACT:
Apparatus for use with a moving map display system for freezing the moving map at a predetermined position. Analog video signals corresponding to the predetermined map position are digitized and stored in memory. The digitized signals are retrieved and converted back to video signals for continuous display during the freezing function. The moving map display system returns to normal operation upon completion of the function. A built in test capability is implemented by switching in a fixed signal, converting and storing, and then verifying the signal in memory.

REFERENCES:
patent: 4427994 (1984-01-01), Aron et al.
patent: 4504913 (1985-03-01), Miura et al.
patent: 4571684 (1986-02-01), Takanabe et al.
patent: 4630120 (1986-12-01), Childs
patent: 4646134 (1987-02-01), Komatsu et al.
patent: 4675842 (1987-06-01), Szenes et al.

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