Optical memory card reader
US4743745A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1986 |
| Grant date | May 10, 1988 |
| Priority date | — |
| Expiry date | Dec 2, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K13/08
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In an optical memory card reading device of the type comprising a card feeding means for feeding a card inserted into an insertion inlet into the device, an optical reader means for illuminating the memory surface of the optical memory card thus fed in and receiving the reflected light rays from the memory surface and a circuit for converting the information read out by the optical reader means into an electric signal which in turn is analyzed to detect the contents in the memory, an optical memory card reading device characterized by the provision of a card cleaning means which is disposed adjacent to the card insertion inlet for cleaning the memory of the inserted card.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.