73826587
Sep 20, 1989
Jul 16, 1991
ELECTRONIC HOME COMMAND SYSTEMS, NAMELY, ELECTRONIC CONTROLLERS INTO WHICH THE POWER PLUG OF AN ELECTRIC APPLIANCE CAN BE INSERTED, AND WHICH CONTROL WHETHER THE APPLIANCE IS ON OR OFF, AN ELECTRONIC COMMAND COMPUTERS WHICH SEND ON AND OFF SIGNALS TO THE ELECTRONIC CONTROLLERS AND TO ELECTRONIC DETECTORS, AND WHICH MONITOR FIRE DETECTORS, GAS DETECTORS, PANIC BUTTONS AND BURGLAR/INTRUSION DETECTORS, AND WHICH SEND MESSAGES TO PRESELECTED TELEPHONE NUMBERS, AND WHICH ACTIVATE ALARMS, LIGHTS AND CAMERAS, AND WHICH SEND COMMUNICATIONS FROM A HOME INTERCOM TO A PRESELECTED TELEPHONE NUMBER; AND ELECTRONIC TEACHING DEVICES IN THE FORM OF BOOKS WITH A QUESTION ON EACH PAGE, MULTIPLE ANSWERS ON EACH PAGE, SENSORS TO DETECT WHICH ANSWER IS TOUCHED, AND AN ELECTRONIC MELODY GENERATOR THAT GENERATES ONE MELODY WHEN THE CORRECT ANSWER IS TOUCHED, AND ANOTHER MELODY WHEN AN INCORRECT ANSWER IS TOUCHED
Electrical and Scientific Apparatus