05226177 is referenced by 275 patents and cites 22 patents.

A system for collecting data from a plurality of respondents having a central portion with a central processor and a base station and a remote portion with a plurality of wireless response units for respondents to be prompted to enter response data to a visually perceptible display which may be shown live, on a television monitor or may be taped. The display may include multiple choice questions. The central processor accumulates the response data via radio, optical or acoustic communication links with the remote units, each of which has a unique address. The central processor displays the accumulated response data in real time and may overlay the processed response data and originate display shown to the respondents.

Title
Real-time wireless audience response system
Application Number
500144
Publication Number
5226177
Application Date
August 3, 1992
Publication Date
July 6, 1993
Inventor
Rand B Nickerson
Scarborough
CA
Agent
Faegre & Benson
Assignee
Viewfacts
IL, US
IPC
H04B 17/00
View Original Source