Autoamtic distress-calling instrument for job emergency in limited space

Application Number: 00123975
Application Date: 2000.10.27
Publication Number: 1351315
Publication Date: 2002.05.29
Priority Information:
International: G08B21/12;G08B25/10
Applicant(s) Name: China Peroleum & Chemical Corp.
Inventor(s) Name: Gao Shaohua;Han Zhongshu
Patent Agency Code: 37201
Patent Agent: cui qingchen
Abstract An automatic distress-calling instrument for the job emergency in limited space has a portable multi-gas detecting alarm whose output is connected to input of a trigger, whose one output is connected to one input of interphone and whose another output to the another input of interphone via audio record-replay circuit, so the alarm signal can be automatically transmitted to another interphone carried by monitor person.