Voltage upconverter for portable time divisional multiple access

Details Voltage upconverter for portable time divisional multiple access Voltage upconverter for portable time divisional multiple access

1998-03-24

2000-06-20

Wong, Peter S.

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

323273, G05F 110, G05F 140

Patent

active

06078167&

ABSTRACT:
A voltage upconverter circuit wherein a switching voltage regulator circuit is used to charge a capacitor from a battery during an idle interval of portable phone transmission and wherein the charged capacitor is thereafter switched in series with the battery voltage for supply to a load during signal transmission, resulting in a smaller, less expensive and more efficient voltage upconverter circuit.

REFERENCES:
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patent: 4816739 (1989-03-01), Sakurai et al.
patent: 5122728 (1992-06-01), Ashley
patent: 5247239 (1993-09-01), Yamamura et al.
patent: 5412308 (1995-05-01), Brown
patent: 5736841 (1998-04-01), Gucyski
patent: 5790395 (1998-08-01), Hagen
patent: 5793190 (1998-08-01), Sahlstrom et al.

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