Circuit for use with multifunction handheld device with video functionality
US7555410B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2006 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Mar 17, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M1/009
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A circuit for use by a multifunction handheld device is coupleable to an audio output device, the multifunction handheld device including a color video display device and a host interface that is coupleable to a host device. The circuit includes a processing module and a memory interface, operably coupled to a memory that stores a plurality of digitally formatted files, and that stores operational instructions that cause the processing module to receive a first digitally formatted file of the plurality of digitally formatted files from the host device when coupled to the host device via the host interface and store the first digitally formatted file in the memory, wherein the first digitally formatted file includes a compressed audio file; receive a second digitally formatted file of the plurality of digitally formatted files from a host device when coupled to the host device via a host interface and store the second digitally formatted file in the memory, wherein the second digitally formatted file includes a compressed video file; playback a selected one of the plurality of digitally formatted files, the playback including the generation of an audio output signal for the audio ou…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.