Interconnected response recording and display consoles
US4009521A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 1975 |
| Grant date | Mar 1, 1977 |
| Priority date | — |
| Expiry date | Aug 20, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09B7/07
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A group of interconnected consoles for the selective anonymous transmitting and receiving of keyboard responses between the members of a group. The consoles are adaptable to a variety of group communication situations including testing, training, education, and evaluation. Each console includes a plurality of depressable keys in the form of a keyboard, and an illuminatable lamp associated with each key position. When a key is depressed, the associated lamp illuminates to indicate the recording of a response. Each console also includes a first switch to select a mode for transmitting keyboard responses and a second switch to select a mode for receiving keyboard responses. Each group member may perform one or more of the following functions: a) depress one or more keys to record his response to printed instructions adjacent each key; b) select the transmit mode to transmit lamp illuminating signals representing each depressed key to associated lamps on each of the other consoles operating in the receiving mode; and/or c) select the receiving mode to receive lamp illuminating signals representing depressed keys on each of the other consoles operating in the transmit code. Group member…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.