Cellular phone with built in optical projector for display of data
US6489934B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Jul 7, 2000 |
| Grant date | Dec 3, 2002 |
| Priority date | — |
| Expiry date | Jul 7, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/724
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A cellular phone, which is still compact in size and weight, but which also includes a mechanism for displaying received wireless data in its original page format as sent from the original source, thus allowing for the viewing of each original page as a whole page and not as a series of partial pages. The phone also allows the display of received wireless visual data with characters in their true original size, thus allowing for ease of reading and use. The mechanism for displaying data may also be used to display data which is to be transmitted by way of the cellular phone. A cellular phone is provided with an internal optical projector incorporated into the body of the phone so that an original page of visual data can be projected onto a larger surface external to the cellular phone. The external surface is larger than the surface area of the cellular phone's own electronic display, and sufficiently large to maintain the original page format and character size. This is accomplished by providing the circuitry inside the cellular phone with the ability to display the received wireless data representing the visual image on the built-in display of the cellular phone using conventiona…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.