Electrical teaching system
US4048729A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 11, 1976 |
| Grant date | Sep 20, 1977 |
| Priority date | — |
| Expiry date | Mar 11, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B5/14
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A wireless electrical teaching system includes an instructor operated console with a plurality of lesson sources and means for transmitting the lesson source information to students, each having a transceiver unit which can be used to select one of the desired lesson sources. The console includes means for generating a unique student identification code transmitted on a common carrier frequency for all students but identifying an individual student for purposes of monitoring the student's progress during a lesson or for intercommunications between the instructor and a student. Each of the student transceivers include code detecting means responsive only to the unique code indentifying the student for generating a control signal which actuates a student transmitter for transmitting the student's voice back to the instructor during a monitoring mode of operation. The console also includes an intercom transmission circuit and a circuit for modifying the student code. The student's transceiver includes control means for automatically muting the lesson source when a modified code is received and tuning the student receiver to the intercom transmission circuit pemitting intercommunicatio…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.