Theft-proof device and method for mobile telephone

A technology of an anti-theft device and anti-theft method, which is applied to electrical components, telephone communication, etc., can solve the problems of increased production cost, inability to retrieve, and no identification.
CN1434626AInactive Publication Date: 2003-08-06YINGHUADA (SHANGHAI) ELECTRONIC CO LTD
0 Cites 38 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
YINGHUADA (SHANGHAI) ELECTRONIC CO LTD
Publication Date
2003-08-06
Estimated Expiration
Not applicable Β· inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

This invention provides a handheld anti-stolen device including: fetch module, comparison module, cipher and inform modules. This invention also provides a handheld anti-stolen method firstly, to fetch the identification code of SIm and a predesigned correct anti-stolen cipher and fetch the identification code stored in a handheld last time, then to compare the two codes, if they are different, then to ask for inputting the predesigned correct anti-stolen code and examine if the cipher has been input in a definite time or correct then to start an anti-stolen program, if it's wrong or input not in definite time.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to an anti-theft device and method, in particular to an anti-theft device and method for a mobile phone which compares the identification code of the SIM card with the identification code stored in the mobile phone. Background technique

[0002] With the advancement of communication network technology and the reduction of manufacturing costs, and the characteristics that callers can receive and send call messages at any place, mobile phones (or mobile phones) with wireless communication characteristics can be said to be the most common communication tool at present. One of them has almost become a must-have item for modern people. Generally, before using a mobile phone, a subscriber identity module card (SIM card) must be installed to make and receive calls normally, and to use the functions on the phone; although the SIM card cannot be installed and received normally, However, emergency numbers such as 119 or 112 can sti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More