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Alarm wristband

A technology of wristbands and operational amplifiers, applied in alarms, bracelets, watch straps, etc., can solve the problems of large size and inconvenient to carry, and achieve the effect of improving sensitivity and accuracy and increasing the use time

Pending Publication Date: 2015-12-16
重庆市小榄电器有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide an alarm bracelet to solve the problem that the existing pulse detection instruments are bulky and inconvenient to carry

Method used

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Embodiment Construction

[0018] The present invention will be described in further detail below by means of specific embodiments:

[0019] The reference signs in the accompanying drawings include: infrared emission tube LED1, light emitting diode LED2, diode VD1, N-type field effect tube VT1, resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, Resistor R8, resistor R9, resistor R10, adjustable resistor R11, resistor R12, resistor R13, resistor R14, resistor R15, resistor R16, photosensitive resistor R17, electrolytic capacitor C1, capacitor C2, capacitor C3, electrolytic capacitor C4, capacitor C5, Electrolytic capacitor C6, capacitor C7, capacitor C8, capacitor C9, electrolytic capacitor C11, voltage regulator IC1, operational amplifier IC21, operational amplifier IC22, operational amplifier IC23, operational amplifier IC24, trigger IC3, N-type FET VT1, voltage regulator Electric buzzer HTD.

[0020] like figure 1 As shown, an alarm wristband includes a ring-s...

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PUM

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Abstract

The invention discloses an alarm wristband and relates to an alarm device. The alarm wristband comprises a waterproof housing, and a voltage follower, a pulse sensor, a pulse signal amplifier, a signal amplitude amplifier and a display alarm circuit which are arranged in the housing, wherein the pulse sensor, the pulse signal amplifier, the signal amplitude amplifier and the display alarm circuit are sequentially connected; the voltage follower is connected between the pulse sensor and the signal amplitude amplifier; the pulse sensor comprises a storage battery used for supplying power for the circuit, a switch connected with the storage battery, a voltage stabilizer IC1 connected with the switch, and two current-limiting resistors (a resistor R1 and a resistor R2) connected with the output terminal of the voltage stabilizer IC1; and the resistor R1 is connected with an infrared transmitting tube LED 1, the resistor R2 is connected with a photoresistor R17, and the photoresistor R17 receives infrared rays emitted by the infrared transmitting tube LED 1.

Description

technical field [0001] The invention relates to an alarm device, in particular to an alarm bracelet. Background technique [0002] The pulse of the human body is consistent with the heart rate, so as long as the pulse number is measured, the corresponding heart rate can be measured. Clinically, body temperature, pulse, respiration, and blood pressure are collectively referred to as vital signs. The pulse range is 60-100 beats per minute, and the elderly are slower at 55 to 60 beats per minute. When the pulse rate per minute is lower than 50, it is bradycardia, and if it is higher than 160, it is tachycardia. Both slowness and speed may bring life danger, which is very dangerous for heart patients, and heart disease It can be sudden, even if it is confirmed that they have heart disease, it is impossible to predict when it will occur. For some people who have health problems but do not need hospital observation or long-term treatment, they are no different from ordinary peop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A44C5/00G08B21/04
Inventor 沈春蓝
Owner 重庆市小榄电器有限公司
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