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Receiving device capable of automatically identifying NMEA polarity

A technology for automatic identification and receiving devices, which is applied in the direction of measuring devices, instruments, satellite radio beacon positioning systems, etc., and can solve problems such as inability to perform data transmission, easy wrong connection of data lines, reverse polarity, etc.

Pending Publication Date: 2019-10-22
NANJING JUNLU TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a receiving device that automatically recognizes the polarity of NMEA, aiming to solve the problem that the data line of the existing receiving device is easy to be wrongly connected or the polarity is reversed, and the problem that correct data transmission cannot be performed

Method used

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  • Receiving device capable of automatically identifying NMEA polarity
  • Receiving device capable of automatically identifying NMEA polarity
  • Receiving device capable of automatically identifying NMEA polarity

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Embodiment Construction

[0035] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0036] see figure 1 , is a structural schematic diagram of the first embodiment of the receiving device 100 for automatically identifying NMEA polarity in the present invention, as shown in figure 1 As shown, the receiving device 100 for automatically identifying NMEA polarity includes a NMEA receiving module 10, a processing module 20, a conversion module 30 and a control module 40, the NMEA receiving module 10, the processing module 20 , the conversion module 30 and the control module 40 are electrically connected in turn; whe...

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Abstract

The present invention discloses a receiving device capable of automatically identifying NMEA polarity. The device comprises an NMEA receiving module, a processing module, a conversion module and a control module; the NMEA receiving module, the processing module, the conversion module and the control module are electrically connected with one another sequentially; the NMEA receiving module is usedfor receiving navigation data signals; the processing module is used for performing optical-coupling conversion isolation and phase-inverting processing on the navigation data signals so as to obtainnormal-phase signals and inverted-phase signals; the conversion module is used for receiving the normal-phase signals and inverted-phase signals and outputting the normal-phase signals or the inverted-phase signals to the control module; and the control module is used for receiving the normal-phase signals or the inverted-phase signals and performing polarity identification and storage. With the receiving device of the invention adopted, the input of external data is realized; regardless of the correctness of accessed polarity, the polarity can be automatically identified and corrected, and the corrected polarity can be sent to equipment, so that acquisition and calculation can be performed, correct data can be obtained; and the workload of installation and debugging can be reduced.

Description

technical field [0001] The invention relates to the technical field of data receiving of electronic equipment, in particular to a receiving device for automatically identifying NMEA polarity. Background technique [0002] The electronic equipment in the ship needs to send the data measured and calculated by the equipment to other equipment such as VDR, and also needs to receive data from external equipment, such as GPS or Beidou positioning data. There are a lot of equipment installed in the cockpit of a ship, and there are a lot of input and output data. The phenomenon of wrong connection or reverse polarity of the data line sometimes exists, and the correct data transmission cannot be performed, which increases the workload of installation and debugging. Contents of the invention [0003] The purpose of the present invention is to provide a receiving device that automatically recognizes the polarity of NMEA, aiming to solve the problem that the data lines of the existing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S19/23G01S19/13
CPCG01S19/23G01S19/13
Inventor 林毓平朱瑞华
Owner NANJING JUNLU TECH
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