Registers – Coded record sensors – Particular sensor structure
Reissue Patent
2007-11-01
2010-10-19
Hess, Daniel A (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S375000, C235S380000, C235S382000, C235S442000, C235S492000
Reissue Patent
active
RE041825
ABSTRACT:
The invention relates to the design of card readers for cards equipped with memory. Such cards, and also the data stored in the memory of such cards, are generally utilized to produce and/or maintain operating states of technical devices. It is also known that the user personally can store data in certain areas of the memory. However, as the memory design and usage has been standardized for the most part and the memory capacity reserved for use by the user is relatively small, the memory capacity reserved for the user can only be increased by providing the device with additional cards equipped with memory. However, as all cards used in a device to supply the full functionality mast operate together in a prescribed manner, it is the task of the invention to specify a card reader that organizes this operation. To accomplish this, it is specified that a monitoring device17or a closing device24is present that prevents the insertion of a second card11.1when there is a first card11.2inserted in the first slot12.2,or that ensures, when there are two cards11in the slots12, that the first card11.2is removed from its corresponding slot12before second card11.1is removed.
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