Multifunctional phone type emergency calling device
Patent Information
- Authority / Receiving Office
- CN ยท China
- Current Assignee / Owner
- ้ๅ
- Publication Date
- 2011-05-11
- Estimated Expiration
- Not applicable ยท inactive patent
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Abstract
Description
technical field
[0001] The invention mainly relates to the technical fields of wireless communication, electronics and computer, in particular to a multifunctional telephone emergency caller. Background technique
[0002] At present, the wired telephone line network has covered many areas, and fixed telephones are becoming more and more popular in ordinary families. With the wide application of fixed telephone communication services, the products developed based on communication services are constantly being updated. The business conditions of emergency callers developed on the platform of fixed wired telephone network and specially used in emergency first aid and other emergency fields are mature, and by utilizing the convenience of the current wired telephone network, the cost of purchasing or developing communication network can be saved.
[0003] There are generally two kinds of rescue measures: on-site rescue and remote call for help. On-the-spot call for help is to c...