PC card and PC card control method
US7484025B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 21, 2004 |
| Grant date | Jan 27, 2009 |
| Priority date | — |
| Expiry date | Sep 16, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/1632
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A PC card and a method of controlling the PC card is provided which can be used to add multiple capabilities to an information processing apparatus in cooperation with a conventional card only by the use of a single card slot.The PC card 1 is provided with a multifunctional adapter unit 2 which controls data exchange between the information processing apparatus 20 and the function of the PC card or data exchange between the information processing apparatus 20 and the function of the PHS card, and a PC card function control unit 3 which controls the function of the PC card. The multifunctional adapter unit 2 of the PC card 1 is provided with a communication control unit 2a, an address control unit 2b, a driving system setting unit 2c, and an interrupt request control unit 2d. The address control unit 2b controls address operations in order that the address area used by the PC card function control unit 3 shall not overlap the address area used by the PHS card function control unit 4 in the memory space which is accessed by the information processing apparatus 20 through the PC card 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.