Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1993-03-23
1994-11-08
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361796, 361798, 361740, 361759, 439 61, 439153, 439157, 439325, 439345, 439629, H05K 714, H01R 1362
Patent
active
053632818
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The invention relates to a device for receiving integrated circuit cards.
There are already known quite generally devices in which the card is inserted into the slot-shaped guide until it comes up against a mechanical resistance. When the card is pushed in further, the resistance is overcome and the card is pushed with a predetermined force further into the slot-shaped guide, an electrical and/or mechanical contact being established between the card and the signal transmitting elements of the holder. In such a device, the card is held only unreliably in its operating position. In addition, such a device has no protection against removal.
German Utility Model G 89 02 736.1 already shows a device in which the cards inserted into their insert receptacles can be drawn completely into the insert area by means of a movable insert holder shared by all the cards and, in addition, can be covered by means of a lid mechanically coupled to the insert holder. This device is very complex in design and construction and does not allow, for example access to individual cards without consequently also relinquishing the protection of all the other cards at the same time.
U.S. Pat. No. 4,220,991 discloses a device wherein bars protect the cards against dropping out or else against unauthorized removal of the cards, since the assigned bars have to be actively released in each case for removal of the cards. However, the bars cannot protect the cards against deliberate removal. In many cases, for example in the case of cash register systems, it is however required that certain cards can in each case be removed only by certain, authorized persons.
SUMMARY OF THE INVENTION
It is the object of the present invention to provide a device for receiving integrated circuited cards which, with a simple design ensures additional protection of the cards against unauthorized removal.
This object is achieved according to the invention by a device for receiving circuit carriers in card form, in particular chip cards with integrated circuits, having a number of insert receptacles corresponding to the number of cards to be received. A card can be inserted into a respective receptacle in the direction of the plane of the card. Means for protecting the cards in their inserted operating position, have in each instance a bar which is assigned to a card and can be pivoted between an unlocking position, pivoted out of the plane of the card, and a locking position, pivoted into the plane of the card and engaging behind a locking edge of an inserted card. The means for protecting the cards are assigned a lockable blocking device which acts on at least one bar and which can be moved out of a blocking position, preventing a movement of the bar out of the locking setting, into a release position, releasing a movement of the bar, and vice versa.
Such a device is used, for example, in cash registers. The lockable cards may in this case by a company card for a cashier to log on at the cash register and for switching on the operational functions of the cash register, a manager's card or a so-called memory-fiscal card for storing and relocating information stored in the cash register which is of relevance to the financial authorities.
According to the invention, the locking mechanism is assigned a closable blocking device which acts on at least one bar and can be moved out of a locking position, preventing a movement of the bar, into a release position, releasing a movement of the bar, and vice versa. As a result, the individual cards can be protected to different extents, so that certain cards can be removed from the device only by selected persons. Depending on its position, the blocking device prevents or allows an actuation of the lever, it being quite possible that certain cards can be inserted into the sliding guide of the frame or removed from it any time, i.e. irrespective of the position of the blocking device, while others can be inserted or removed only in dependence on the position of the blocking device.
In the case
REFERENCES:
patent: 3853379 (1974-12-01), Goodman et al.
patent: 4157583 (1979-06-01), Basmajian et al.
patent: 4547835 (1985-10-01), Pansaerts et al.
patent: 4596907 (1986-06-01), LaGreco et al.
patent: 4620756 (1986-11-01), Gatti et al.
patent: 4821146 (1989-04-01), Behrens et al.
patent: 4917618 (1990-04-01), Behrens et al.
patent: 5151847 (1992-09-01), Rautenberg
International Standard, ISO 7816-1, International Organization for Standardization, 1987, pp. 1-4.
Baitz Gunter
Burchart Joachim
Picard Leo P.
Siemens Nixdorf Informationssysteme Aktiengesellschaft
Sparks Donald A.
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