Contactlessly operating electronic responder card
First Claim
1. A contactlessly operating electronic responder card comprising an electronic circuit incorporated into the card and an antenna coil incorporated into the card, wherein the antenna coil is made from thin insulated wire which is wound in a winding space formed by a very thin flexible coil bobbin, while the coil bobbin further comprises a chamber into which the electronic circuit has been incorporated, the antenna coil and the electronic circuit being covered by finishing material and wherein windings of said antenna coil are not permanently bonded with surrounding material of the card, so that the antenna coil maintains freedom of movement within the winding space.
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Accused Products
Abstract
A contactlessly operating electronic responder card comprises an electronic circuit incorporated into the card and an antenna coil incorporated into the card. According to the invention, the antenna coil is made from thin insulated wire which is wound in a winding space formed by a very thin flexible coil bobbin, whilst the coil bobbin further comprises a chamber into which the electronic circuit has been incorporated and the antenna coil and the electronic circuit are covered by finishing material.
41 Citations
17 Claims
- 1. A contactlessly operating electronic responder card comprising an electronic circuit incorporated into the card and an antenna coil incorporated into the card, wherein the antenna coil is made from thin insulated wire which is wound in a winding space formed by a very thin flexible coil bobbin, while the coil bobbin further comprises a chamber into which the electronic circuit has been incorporated, the antenna coil and the electronic circuit being covered by finishing material and wherein windings of said antenna coil are not permanently bonded with surrounding material of the card, so that the antenna coil maintains freedom of movement within the winding space.
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16. A contactlessly operating electronic responder card comprising an electronic circuit incorporated into the card and an antenna coil incorporated into the card, wherein the antenna coil is made from thin insulated wire which is wound in a winding space formed by a very thin flexible coil bobbin, while the coil bobbin further comprises a chamber into which the electronic circuit has been incorporated, the antenna coil and the electronic circuit being covered by finishing material;
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wherein the flexible coil bobbin is composed of a front plate, a back plate and plate-shaped inner core part clamped between the front plate and the back plate, the coil being wound around the inner core part between the front plate and the back plate, while around the coil a plurality of outer core parts are arranged between the front plate and the back plate, these outer core parts enclosing the coil; wherein the front plate and the back plate and at least one of the core parts are provided with openings located in line for forming the chamber for accommodating the electronic circuit; and wherein the front plate or the back plate comprises an incision extending from a circumferential edge to the opening for forming the chamber, so as to form a laterally bendable flap. - View Dependent Claims (17)
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Specification