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Separated talking bracelet

A separate and wristband technology, which is applied in the near-field transmission system of transceivers, sensor components, sensors, etc., can solve the problems affecting the reliability of contact connections, affecting the appearance of earphones and wristbands, etc., to improve the appearance , The effect of reducing the number of contacts and improving reliability

Active Publication Date: 2017-10-10
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Because there are too many contacts on the separate call bracelet, it not only affects the appearance of the earphone and wristband, but also affects the reliability of the corresponding contact connection

Method used

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Examples

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Embodiment Construction

[0037] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

[0038] The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses.

[0039] Techniques, methods and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods and devices should be considered part of the description.

[0040] In all examples shown and discussed herein, any specific values ​​should be construed as exemplary only, and not as limitations. Therefore, other instances of the exemplary embodiment may have dif...

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Abstract

The invention discloses a separated talking bracelet. A first switch and a first diode are serially connected between a first power supply end and a first contact; a second switch and a second diode are serially connected between a second power supply end and the first contact; cathodes of the first diode and the second diode are both connected with the first contact; a voltage detection circuit is set to output a third control signal to a control end of a third switch according to voltage of a second contact; the third control signal is used for controlling the state of the third switch; the third switch is connected between the second contact and a charge signal output end; and the control end of the third switch is further connected with a button signal output end. Therefore, the first contact and the second contact are multiplexed, the number of contacts for connecting an earphone and a bracelet in the separated talking bracelet is reduced, and contact connection reliability of the earphone and the bracelet is improved.

Description

technical field [0001] The present invention relates to the technical field of circuit design, and more specifically, the present invention relates to a separate talking wristband. Background technique [0002] The separate call bracelet is a combination of earphones and wristbands to jointly realize functions such as calls and information display; the combination of the two needs to be connected through a circuit to share status information. [0003] Such as figure 1 As shown, the split-type call bracelet mainly includes two parts, the wristband 1 and the earphone 2. The circuit schematic diagram of an implementation structure of the existing split-type call bracelet is shown in figure 2 shown. Among them, the contacts pin1, pin2, pin3, pin4 of the wristband and the contacts pin5, pin6, pin7, pin8 of the earphone are connected correspondingly. After the contacts pin1 and pin5 are connected, the wristband will charge the earphone; the contacts pin2 and pin6 After connect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H04B5/02H04R3/00H04B5/48
CPCH04B1/40H04R3/00H04B5/48
Inventor 任思魁
Owner HUAWEI TECH CO LTD
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