Communications – electrical: acoustic wave systems and devices – Echo systems – Distance or direction finding
Reexamination Certificate
1999-03-17
2001-03-27
Pihulic, Daniel T. (Department: 3662)
Communications, electrical: acoustic wave systems and devices
Echo systems
Distance or direction finding
Reexamination Certificate
active
06208588
ABSTRACT:
S
TATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT Not Applicable.
REFERENCE TO A MICROFICHE APPENDIX
Not Applicable.
BACKGROUND OF THE INVENTION
This invention relates to a completely compact, portable, and self contained device providing depth recordings or readings giving it's user vital information pertaining to depths in a body of water. Unlike stationary mounted systems on watercrafts, the Depth Sphere was designed for it's capabilities to record readings from shorelines, areas where the user cannot penetrate, have clear passage to, or hesitant to enter not knowing the depth.
The major advantage over it's counterparts on the market today is, it's capabilities to record water depths yet remaining compact, self contained, simplicity of use, portability, and storability. Thus, making the unit's capabilities of usage extend beyond it's counterparts.
BRIEF SUMMARY OF THE INVENTION
This invention is directed to a self contained, compact, and portable depth and temperature recording device. Where as the user can measure the depths and temperatures in a body or area of water by placing the unit at a given location, retrieved, and reading the desired areas measured depth, along with it's surface temperature.
REFERENCES:
patent: 4805337 (1989-02-01), Kurata
patent: 4943951 (1990-07-01), Leavell et al.
patent: 5594707 (1997-01-01), Goto et al.
Ferness Sergio
Pihulic Daniel T.
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