Fish finder

A fish finder and resistance technology, applied in instruments, re-radiation of sound waves, utilization of re-radiation, etc., can solve the problem of inconvenience in taking out batteries, and achieve the effect of prolonging standby time, not consuming power consumption, and being convenient to use.

Inactive Publication Date: 2016-06-08
SICHUAN CCO DISPLAY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the inconvenience that the power supply unit in the existing fish finder needs to take out the battery when it is idle for a long time, and proposes a fish finder

Method used

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  • Fish finder

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Embodiment Construction

[0008] The present invention will be further described below in conjunction with the drawings and specific embodiments.

[0009] Such as figure 1 As shown, the switch circuit integrated in the fish finder of the present invention includes: a first MOS tube M1, a first diode D1, a first key unit K1, a first triode Q1 and eight resistors R1-R8, Wherein, the source of the first MOS transistor M1 serves as the power supply input terminal of the switch circuit, the drain of the first MOS transistor M1 serves as the power supply output terminal of the switch circuit, and the power supply input terminal is connected to the first One end of a resistor R1 is connected to one end of the second resistor R2, the other end of the first resistor R1 is connected to the negative terminal of the first diode D1 through the first key unit K1, and the other end of the second resistor R2 is connected to the first The gate of the MOS transistor M1 is connected to the collector of the first transistor...

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Abstract

The invention discloses a fish finder. The fish finder comprises an ON / OFF circuit, and the ON / OFF circuit further comprises a first MOS tube, a first diode, a first key unit, a first triode and eight resistors. According to the ON / OFF circuit, the first MOS tube is used as the power switch between a battery unit and a system unit, the first triode controls ON / OFF of the first MOS tube, and thus, power ON / OFF of the system unit is controlled; the first key unit is pressed for a long time to realize switching between the ON and OFF states, in the OFF state, the system does not consume power, utilization of users is facilitated, the stand-by time of a lithium battery is prolonged at the same time, and power saving and environmental protection are realized; and at the same time, more operating functions can be realized through a single key by distinguishing the long press operation and the short press operation in a manner that two control terminals cooperate with software.

Description

Technical field [0001] The invention belongs to the field of consumer application electronics, and specifically relates to a design in a fish finder. Background technique [0002] The fish finder uses an ultrasonic transducer to transmit a signal, which is transmitted through the air or water, and uses the ultrasonic wave to contact the object in the water to feed back the signal, then processed by the internal processor, and finally displayed on the screen. [0003] In the existing fish finder products using a touch key switch, the power supply unit has only two working states: on and standby, and the off state can only be realized by removing the battery installed in the machine. After the fish finder is loaded with dry batteries, it enters the power-on state, and the long and short keys are scanned to identify the long and short keys to control the display of the display and the work of each unit of the system to realize the switch between the working state and the standby state...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/96
Inventor 不公告发明人
Owner SICHUAN CCO DISPLAY TECH
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