Electricity: power supply or regulation systems – External or operator controlled – Using a three or more terminal semiconductive device as the...
Patent
1993-03-11
1994-09-13
Sterrett, Jeffrey L.
Electricity: power supply or regulation systems
External or operator controlled
Using a three or more terminal semiconductive device as the...
323281, 323285, 323349, 363146, G05F 1575
Patent
active
053472110
ABSTRACT:
A power converter for providing a selectable desired voltage has a converter circuit having an input port for receiving an input of a first voltage and an output port for providing an output of a second voltage. The converter circuit also has a keyway for receiving a key. The key, which is configured to be received by the keyway, contains an electrical component and has a body within which the electrical component is disposed. The output voltage of the converter is determined by the value of the component disposed within the body of the key such that the output voltage can be varied by replacing the key with another key having an electrical component of a different value.
REFERENCES:
patent: 4321525 (1982-03-01), Imazeki et al.
patent: 4598243 (1986-07-01), Kawakami
patent: 4987360 (1991-01-01), Thompson
patent: 5297015 (1994-03-01), Miyazaki et al.
Minwa Products-MW182, Mar. 10, 1993.
Super Selection of Power Adapters-Radio Shack Catalog, (Dec. 1992; Catalog p. 128 #472).
Innova Electronics Corporation
Sterrett Jeffrey L.
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