Apparatus and methods for identifying broadcast audio program selections in an FM stereo broadcast system
US5134719A · kind A · utility
Inventor
Key dates
| Filing date | Feb 19, 1991 |
| Grant date | Jul 28, 1992 |
| Priority date | — |
| Expiry date | Feb 19, 2011 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H60/74
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Apparatus and methods are disclosed for transmitting and receiving auxiliary data in addition to regular audio broadcast programs including musical selections and announcements. The auxiliary data includes musical selection identification such as title, artist and album name. Receiver circuits are disclosed for displaying the auxiliary data, for selecting and storing the data along with a portion of the musical selecting which it identifies, and for recalling the stored data and musical selection portion. Transmitter circuits are disclosed for transmitting the auxiliary data without using the SCA portion of the broadcast band. Also disclosed are apparatus and methods for automatically generating the auxiliary data using a compact disc player.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.