Temic Semiconductors

Simple phase control circuit

Telefunken Licences GmbH

Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator

Unspecified

TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP

Unisonic Technologies

LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE

Unspecified

VERSATILE TELEPHONE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE

Philips Electronics

Listening-in circuit for line-powered telephone sets

Philips Electronics

Versatile telephone transmission circuit with dialler interface

Philips Electronics

Hands free IC

Philips Electronics

Speech and handsfree IC with auxiliary inputs/outputs and analog multiplexer

Temic Semiconductors

Zero Voltage Switch with Fixed Ramp

Philips Electronics

Speech and handsfree IC

Philips Electronics

Low voltage transmission circuits with dialler interface