Listener for information acquisition

Listener for information acquisition

The utility model relates to the technical field of tapping devices, in particular to a tapping device for information acquisition, which comprises a first button disc and a second button disc, a fixing ring is fixedly connected to the outer ring of the top of the second button disc, and the fixing...

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1. Verfasser: ZHANG ZHANLING
Format: Patent
Sprache:chi ; eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
STATIC STORES
TRANSMISSION
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creator ZHANG ZHANLING
description The utility model relates to the technical field of tapping devices, in particular to a tapping device for information acquisition, which comprises a first button disc and a second button disc, a fixing ring is fixedly connected to the outer ring of the top of the second button disc, and the fixing ring is in threaded connection with the inner ring of the first button disc; the first arc-shaped strip and the second arc-shaped strip are fixedly connected to the middle part of the first button disc, and the first arc-shaped strip and the second arc-shaped strip are crossed; the bracket is arranged in the middle, close to the fixing ring, of the second button disc. Through the arrangement of the first button disc and the second button disc, the device is of a button structure and has a good hiding effect, the device can be fixed on clothes before being used, so that the device is convenient to carry about, the device is taken off from the clothes when being used, then the device is placed at a specified position
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language chi ; eng
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
STATIC STORES
TRANSMISSION
title Listener for information acquisition
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