Micropower system

Electricity: power supply or regulation systems – In shunt with source or load – Using choke and switch across source

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323283, 323284, 363 21, 363 97, G05F 146

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active

044132247

ABSTRACT:
A micropower DC/DC conversion system providing a stabilized voltage output at a predetermined voltage higher than that of the energy source. The system is powered by one or more primary cells in parallel or by a suitable battery, and the system is of special use with systems requiring low power at stabilized voltage which is substantially independent of the energy source impedance and load variations.
According to the preferred embodiment of the system the output voltage stabilization is controlled by voltage detection circuit based on C-MOS inverters which allows extremely low power drain. The system is of special value for use with electronic implantable devices such as cardiac pacemakers.

REFERENCES:
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patent: 3913006 (1975-10-01), Fillmore
patent: 3974439 (1976-08-01), Holland
patent: 3995177 (1976-11-01), Sirocka et al.
patent: 4087850 (1978-05-01), Kolzumi
patent: 4155112 (1979-05-01), Miller et al.
patent: 4233563 (1980-11-01), Schanbacher
Armstrong, "Power Circuit Go Monolithic", Electronics, vol. 49, No. 9, p. 138, Apr. 29, 1976.
Chang et al., "Current Switch Logic Circuit", IBM Tech. Discl. Bulletin, vol. 13, No. 5, Oct. 1970, pp. 1101-1102.
Loucks, "Considerations in the Design of Switching Type Regulators", Solid State Design, Apr. 1963, pp. 30-34.
Loksh et al., "A Precision Low-Voltage Economical Switch-Type Volt. Stabilizer", Instrument & Experimental Techniques, (USSR), vol. 17., No. 2, Pt. 2, pp. 472-473, Sep. 1974.
R. J. Apfel, "Universal Switching Regulator Diversifies Power Subsystem Applications", Computer Design, vol. 17, No. 3, (Mar. '78), pp. 103-112.
B. Harvey, "A 500 KHZ Switching Inverter for 12 V Systems", Electron, No. 172, Apr. 10, 1979, p. 14.
Ruddy, "Constant-Voltage Switching Regulator", IBM Technical Disclosure Bulletin, vol. 14, No. 9, Feb. 1972, pp. 2784, 2785.
Delco Electronics Application Notes 42, "28 Volt. Flyback Sw. Regulator", G.M. Corp., Dec. 1968.

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