Light pipe display for sonar

Details Light pipe display for sonar Light pipe display for sonar

2007-05-25

2009-02-24

Pihulic, Dan (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

Reexamination Certificate

active

07495997

ABSTRACT:
A light pipe device for fish sonar that displays information such as depth and density of detected objects. The device includes a motor with a rotary shaft, a shaft position sensor, a light conducting pipe fixed to the rotary shaft opposite the luminous tip of the pipe, a light source, and a front panel. Using this device, when a controller detects an object the controller causes the light source to turn on and off as the luminous tip revolves beneath the front panel. Light is transferred to the tip and front panel to indicate information regarding the object.

REFERENCES:
patent: 2071284 (1937-02-01), Hyland
patent: 5259333 (1993-11-01), Iino et al.
patent: 5949346 (1999-09-01), Suzuki et al.
patent: 7057972 (2006-06-01), Noda et al.

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