Telefunken Licences GmbH
Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
Telefunken Licences GmbH
Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
Temic Semiconductors
Three-Tone Ringer for Telephone Sets
Unspecified
TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP
Unspecified
TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP
Temic Semiconductors
Tone Ringer Interface with DC/DC Converter
Telefunken Licences GmbH
Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator