Patent ID: 9250325
Filing Date: 2016-02-02
CPC Classification: G01S

Claim Text:
1. A flasher type fish sonar comprises: a front case in which a display window is formed in a front portion thereof, a display rotary disc opposite to the display window, the rotary disc rotated by a motor, an ultrasonic transducer for transmitting ultrasonic waves in water by a control portion and for receiving reflected signals in the water, a display signal transmitting portion for transmitting reflected signals received by the ultrasonic transducer and display data formed by a control portion, to a display control portion attached to the rotary disc, a fish sonar display portion displayed by light emitting diodes attached near an edge of the rotary disc, and for displaying fish sonar data in response to the display control portion, and a letter illustration numeral display portion displayed by light emitting diodes inside of a center portion of the rotary disc, and for displaying letter illustration numeral display in response to the display control portion, wherein, in the display signal transmitting portion, there are provided three slip rings for power supply, for ground and for signals attached to a rotary shaft of the display rotary disc, the brushes are contacted with three slip rings, and a second buffer memory is connected to these brushes.