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Digital camera giving alarm and preventing theft in real time

A digital camera and camera technology, applied in anti-theft alarm mechanical start, camera, optics, etc., can solve the problems of high cost, power consumption of equipment, difficult to make small, etc., achieve high real-time performance, stable work, and facilitate mass production Effect

Inactive Publication Date: 2010-03-17
HANGZHOU LIUYI TECH
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

However, Bluetooth communication has several obvious disadvantages: 1. High cost; 2. The device consumes power and is not easy to make small; 3. Bluetooth works in the 2.4GHz ISM (ie industrial, scientific, medical) frequency band that is open to the world, and the ISM frequency band is a Open frequency band, may be interfered by such as microwave ovens, cordless phones, scientific research instruments, industrial or medical equipment

Method used

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  • Digital camera giving alarm and preventing theft in real time
  • Digital camera giving alarm and preventing theft in real time

Examples

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail:

[0022] figure 1 The block diagram of the shown real-time alarm anti-theft digital camera includes a power supply, an alarm circuit, and a remote control circuit.

[0023] The alarm circuit includes an execution circuit, a sensing unit and a sounding unit, the sensing unit is connected to the execution circuit, and the execution circuit is connected to the sounding unit.

[0024] The sensor of the sensing unit uses an acceleration sensor chip, and may also be a vibration sensor or a balance sensor. The acceleration sensor used in this example.

[0025] Described sounding unit comprises sound signal generator, RC time delay circuit that is made up of resistance and electric capacity, sound drive amplifier and sound generator; The delay signal of RC time delay circuit receives the sound signal output control terminal of sound signal generator, The so...

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Abstract

The invention provides a digital camera giving alarm and preventing theft in real time. The digital camera comprises a camera body and is characterized in that the camera body is provided with a theft-protective alarming device. The alarming device comprises a locking notch arranged on the camera body, as well as a locking head and a key; the locking head is internally provided with an alarm. On appearance, the alarm is small and hidden and does not affect the portability of the digital camera when in use; an infrared remote controller is used for controlling the switching of the alarming lock, therefore the remote control function works stably and is not interfered; a sensor is used for controlling alarm, the real-time performance is high, the whole cost is low and the digital camera is beneficial to mass production.

Description

technical field [0001] The invention relates to a camera, more specifically, to a real-time alarm and anti-theft digital camera. Background technique [0002] With the popularization of consumer-grade 3C products, almost every household now has a camera, but the size of the camera is generally small. Even a professional camera is larger than an ordinary card machine, but it can be easily taken away. , so digital cameras have also become valuables that are easily stolen. Chinese Invention Patent Application No. 200510023435.9 discloses a method for realizing digital camera anti-theft with bluetooth technology. At the digital camera end, if the user chooses to start the alarm function, then open its watchdog timer interruption and bluetooth reception interruption, and report to the remote control Send a command word to open the alarm, and start timing by the watchdog timer, once it overflows, it will report to the police, if the digital camera receives a call signal from the ...

Claims

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Application Information

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IPC IPC(8): G03B29/00G08B13/02G08B3/10
Inventor 唐资仪
Owner HANGZHOU LIUYI TECH
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