Power supply
First Claim
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1. A power supply comprising an electric cell arranged to generate an intermediate voltage, and voltage conversion means coupled to the electric cell, the voltage conversion means converting the intermediate voltage to an output voltage, wherein the conversion means comprises adjustment means to vary the output voltage.
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Abstract
A power supply 1 for an electronic device comprising electric cells 7 arranged to generate an intermediate voltage Vx, and a voltage converter 30 coupled to the electric cells 7, the voltage converter 30 converting the intermediate voltage Vx to an output voltage Vo, wherein the converter 30 comprises a switch 14 to vary the output voltage Vo to match an input voltage of the electronic device.
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Citations
22 Claims
- 1. A power supply comprising an electric cell arranged to generate an intermediate voltage, and voltage conversion means coupled to the electric cell, the voltage conversion means converting the intermediate voltage to an output voltage, wherein the conversion means comprises adjustment means to vary the output voltage.
- 5. A power supply comprising an electric cell arranged to generate an intermediate voltage, and voltage conversion means coupled to the electric cell, the voltage conversion means converting the intermediate voltage to an output voltage, wherein the conversion means comprises adjustment means to vary the output voltage, wherein the electric cell is rechargeable.
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15. A power supply comprising an electric cell arranged to generate an intermediate voltage, and voltage conversion means coupled to the electric cell, the voltage conversion means converting the intermediate voltage to an output voltage, wherein the conversion means comprises adjustment means to vary the output voltage, further comprising a sound generation device which is activated when the electric cell is at a predetermined charge level.
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20. A housing according to claim, where in the shape of the housing is rectangular.
Specification