| Title: | Signal isolator for mobile telephone | ||
| Application Number: | 200520033981 | Application Date: | 2005.04.25 |
| Publication Number: | 000000000 | Publication Date: | |
| Approval Pub. Date: | 2006.10.11 | Granted Pub. Date: | 2006.10.11 |
| International Classifi-cation: | H04K3/00 | ||
| Applicant(s) Name: | Jing Xiaobing | Address: | |
| Inventor(s) Name: | Jing Xiaobing | ||
| Attorney & Agent: | zhang xin | ||
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Abstract: |
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| The utility model discloses a signal isolator for mobile telephone, which comprises outer casing, external receiving antenna, external transmitting antenna, electromagnetic signal receiver, electromagnetic interference signal emission apparatus and control processor. The receiving apparatus comprises receiving antenna, frequency selection circuit, filter, amplified circuit, high frequency amplifier circuit and detecting circuit. The electromagnetic interference signal emission apparatus is composed of signal source circuit, oscillation modulation circuit, amplified circuit, power amplification circuit, power indicating circuit and transmitting antenna. The electromagnetic interference signal emission apparatus is connected with receiving apparatus by control processor. The utility model adopts intermittent electromagnetic interference mode to block the channel connection between the mobile base station and the mobile phone in certain range and to disable the information receiving and sending function of mobile phone, being unable to call in and call out. | |||
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| Time: | 13 | ||
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