| 摘要 |
PROBLEM TO BE SOLVED: To provide a diving safety display device having good convenience an safety, capable of displaying numeric values measured by a submersible survey instrument directly before user's eyes. SOLUTION: The diving safety display device comprises the submersible survey instrument and a display screen device. The submersible survey instrument surveys relative data required by a diver, including a water pressure and an excess amount of oxygen in an oxygen gas cylinder, and the display screen device is installed in a portion in the field of view of a diver in goggles or a snorkel, to which numeric values measured by the submersible survey instrument is sent in a wire/wireless transfer system. Therefore, the user can get survey data related to a first time without holding the survey instrument in his hand and can uses the display device in a good practical and safe manner.
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