Driving circuit for sound producing device
AssigneexMEMS Labs, Inc.
InventorJemm Yue Liang
Life of this patent
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Abstract
A driving circuit is disclosed. The driving circuit includes a first node, coupled to at least a first air pulse generating element, wherein the driving circuit produces a first driving signal to the at least a first air pulse generating element via the first node; a second node, coupled to at least a second air pulse generating element, wherein the driving circuit produces a second driving signal to the at least a second air pulse generating element via the second node; a first swapping module, coupled to the first node and the second node, configured to be conducted within a first conduction interval; wherein a first voltage level at the first node and a second voltage level at the second node are substantially swapped after the first conduction interval.
Claims28
A driving circuit, configured to drive at least a first air pulse generating element and at least a second air pulse generating element within a sound producing device, the driving circuit comprising:
- a first node, coupled to the at least a first air pulse generating element, wherein the driving circuit produces a first driving signal to the at least a first air pulse generating element via the first node;
- a second node, coupled to the at least a second air pulse generating element, wherein the driving circuit produces a second driving signal to the at least a second air pulse generating element via the second node;
- and
- a first swapping module, coupled to the first node and the second node, configured to be conducted within a first conduction interval;
- wherein a first voltage level at the first node and a second voltage level at the second node are substantially swapped after the first conduction interval.
A driving circuit, configured to generate a plurality of driving signals to drive a sound producing device comprising a plurality of air pulse generating elements, comprising:
- at least a swapping module, coupled between a plurality of nodes;
- wherein the plurality of nodes is coupled to the plurality of air pulse generating elements;
- wherein within a first conduction interval, a first amount of electrons is transferred from a first node;
- wherein within a second conduction interval, a second amount of electrons is transferred back to the first node.
Dependencies are inferred from the claim text.