Common connector for memory cards and switching arbitration...

Details Common connector for memory cards and switching arbitration... Common connector for memory cards and switching arbitration...

2005-02-15

2005-02-15

Ray, Gopal C. (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus expansion or extension

C235S441000, C361S737000, C439S638000

Reexamination Certificate

active

06857038

ABSTRACT:
The present invention relates to a common connector for memory cards and a switching arbitration method for the shared Pins of the connector, i.e., a common connector which allows many different types of memory cards to be inserted in and fixed at different times. A multiple of rows/sets of different types of Pins are devised on one side of a baseboard of the common connector. And particularly, a set of shared Pins enables identification of interface signals from SD/MMC cards or SM cards. Under the control of corresponding memory card detection switches and switching arbitration circuits, the shared Pins can be connected to interface signals from a SD/MMC card or a SM card. Therefore, such a structure not only reduces the size of the common connector but also supports a multiple of types of memory cards.

REFERENCES:
patent: 5596569 (1997-01-01), Madonna et al.
patent: 5887145 (1999-03-01), Harari et al.
patent: 5905253 (1999-05-01), Ito et al.
patent: 6663007 (2003-12-01), Sun et al.
“High-speed data transmission in a rack system with coaxial board connectors” by Mikazuki, T.; Yasuda, K.; Sugiura, N.; Oka, (abstract only) Publication Date: Jun. 1994.*
“ESD protective I/O serpentine block design” by Soohoo, K.M.; Wu, C.-Y. (abstract only) Publication Date: Aug. 12-16, 1991.

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