Automatic recording beeper


Application Number: 00107716
Application Date: 2000.05.24
Publication Number: 1325236
Publication Date: 2001.12.05
Priority Information:
International: H04Q7/14
Applicant(s) Name: Guo Hua
Address:
Inventor(s) Name: Guo Hua
Patent Agency Code: 00000
Patent Agent:
Abstract BP machine possesses digital type and Chinese character type, its recording and displaying circuit is complex. If the chip and tape recording mode are adopted, its cost is low and its technique is not complex, so that all the portable recorders can be changed into BP machine.