Temic Semiconductors
Zero Voltage Switch with Fixed Ramp
Philips Electronics
Supply circuit with power-down for telephone set peripherals
Philips Electronics
High efficiency auto-up/down DC/DC converter
Unisonic Technologies
LOW VOLTAGE TELEPHONE TRANSMISSION CIRCUIT WITH DIALLER INTERFACE
Philips Electronics
Battery monitor for NiCd and NiMH chargers
Philips Electronics
Versatile telephone transmission circuit with dialler interface
Philips Electronics
Hands-free IC
Philips Electronics
High efficiency DC/DC converter
Philips Electronics
GreenChip™ SMPS control IC
Telefunken Licences GmbH
Quasi Parallel Sound Processing with Quadrature Intercarrier Demodulator
Unspecified
VERSATILE TELEPHONE TRANSMISSION CIRCUITS WITH DIALLER INTERFACE
Philips Electronics
GreenChip™II SMPS control IC
Philips Electronics
Call progress monitor for line powered telephone sets
