Telephone ring interface, detect ring sequence to control devices

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CPC
G05B2219/21022

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GPHYSICS G05Controlling systems G05BCONTROL OR REGULATING SYSTEMS IN GENERAL FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS G05B2219/00Program-control systems

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G05B2219/21022Telephone ring interface, detect ring sequence to control devices

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Patents Grantslast 30 patents

Information Patent Grant
Single-chip microcomputer programmable power distributor
- Patent number 5,506,790
- Issue date Apr 9, 1996
- Sanh K. Nguyen
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Door control device based on non-touch non-contact charging method
- Publication number 20020030583
- Publication date Mar 14, 2002
- Jin Jang
- G05 - CONTROLLING REGULATING