Multi-function apparatus and related method integrated with...

Details Multi-function apparatus and related method integrated with... Multi-function apparatus and related method integrated with...

2007-12-25

2007-12-25

Tarcza, Thomas H. (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

C342S357490, C701S206000, C701S210000

Reexamination Certificate

active

11420808

ABSTRACT:
Multi-function apparatus and related method integrated with positioning/orientation mechanism. The apparatus of the invention works under a forward mode for recording reference coordinates/altitudes of a departure point and passing points along a track which a user moves. When the user wants to trace back, the apparatus works under a backward mode for comparing each of the recorded reference coordinates/altitudes with a current coordinate/altitude of the user, and providing direction/altitude orientation for the user so that the user can trace back to the original departure and/or passing points.

REFERENCES:
patent: 5543802 (1996-08-01), Villevieille et al.
patent: 5802492 (1998-09-01), DeLorme et al.
patent: 6278938 (2001-08-01), Alumbaugh
patent: 2005/0253753 (2005-11-01), Lalik et al.
patent: 1312193 (2001-09-01), None
About.com, GPS unit which doubles as MP3 player announced from Lowrance, Nov. 4, 2004.

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