Registers – Coded record sensors – Particular sensor structure
Patent
1995-11-14
1998-11-17
Hajec, Donald T.
Registers
Coded record sensors
Particular sensor structure
235486, 235482, G06K 700, G06K 1806
Patent
active
058379843
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
The present invention relates to a reader or a contacting apparatus adapted to be used for contacting both SIM-cards and standard chip cards.
The present invention relates more specifically to an SMT-reader.
The present invention addresses the problem of contracting large as well as a small cards by using a block having minimal dimensions and being in particular provided with separately arranged guide means, thereby providing a choice as to which of the two types of cards is to be used, while enabling the guide-means to be used as a shielding element and in addition providing invention should SMT-capability.
Due to the features of the invention, which will be explained below in some detail, the printed circuit board on which the reader is preferably to be arranged, can be more efficiently utilized, and the manufacturer of telephones does not have to design the products for a specific card.
Regarding the prior art, attention is drawn to the so-called "soldering-reader" which comprises a contact support formed by a frame. Such readers require a relatively large amount of space on the printed circuit board. Moreover, such readers cannot be used together with SMT-technology, and are not suitable for reading SIM-cards. DE--0S 40 29 546 describes a readier adapted to receive a large card or a small card. However, this type of reader has to be made in the factory for one of the different cards. The user himself has no choice as to which cards with which the reader can be used.
SUMMARY OF THE INVENTION
In accordance with the invention, a reader is provided that can read different types of chip card.
Also in accordance with the present invention a contact block is provided that is smaller or only a little bit larger than a GSM/SIM-card so that maximum free space is available for other components. The contacting block can be provided with centering and mounting means.
The soldering termination can project from the block either in the direction of insertion of the card, or in the opposite direction, and the contacting block can be provided with recesses which allow the block to be inserted through a bottom plate and held down by the plate.
The contacting block can be provided with other blocks in a continuous arrangement, and the block can have a surface for pick and place mounting.
The card guide means can be provided in the portion of the apparatus in which the block is used.
The card guide means can be an additional component made of plastic material, metallized plastic material or metal.
The metal guide means provides a direct contact to the printed circuit board.
The card guide means can be adapted to receive the card end position switch.
Second card guide means can be provided for receiving the SIM-card. The second guide-means can be separate or can be a component of the first guide-means. The receiving element of the second card guide-means for the SIM-card is movable perpendicular to the card planes, so that the card slot is opened up for using the large card.
The receiving element can be supported to be movable in elevated positions, or the receiving element can be supported on one side.
After the large card has been removed, the second card means returns to its starting position and is ready to receive the small card.
The end position switch can be actuated directly by the large card and can be actuated indirectly via the second card guide means by the small card.
In accordance with preferred embodiments of the present invention the contact block car, be used to design a standard card reader (short: a chipcard reader) and/or a SIM card-reader. The contact block comprises preferably in substance the circumferential dimensions of a SIM-card, so that said contact-block can be referred to in short as a SIM-block. Said SIM-block can also be used particularly together with a printed circuit board, so as to form a chip-card reader. As a printed circuit board, also a metal plate with a flex-print provided thereon can be used.
More specifically, in accordance with an embodiment of the
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Bleier Robert
Reichardt Manfred
Amphenol-Tuchel Electronics GmbH
Hajec Donald T.
Le Thien Minh
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