A push-button comprising a first switch contact and a second switch contact which are arranged spaced apart and parallel to each other. The first switch contact is designed for establishing an electrical line connection to the second switch contact when force is applied. The push-button comprises a third switch contact which is arranged spaced apart from the second switch contact and in parallel on a side opposite to the first switch contact. The third switch contact is designed for establishing an electrical line connection to the second switch contact when force is applied. Furthermore, the push-button comprises an evaluation unit which is designed for additionally operating the first and/or the third switch contact(s) as a capacitive or inductive touch sensor.

A radio frequency identification (RFID) switch tag is disclosed. This RFID switch tag includes a base component having an ultra-high frequency (UHF) booster, and a detachable component having at least one UHF RFID module and a high frequency (HF) RFID module. In some embodiments, the detachable component is positioned in close proximity to the base component in a first configuration of the RFID switch tag such that the at least one UHF RFID module is sufficiently coupled to the UHF booster in the base component to form an UHF RFID system having a desired performance. The detachable component can also be separated from the base component to obtain a second configuration of the RFID switch tag, and the HF RFID module remains functional within the detached detachable component so that the detachable component can be used as a standalone HF RFID tag.

A sensor device is provided that includes a fingerprint sensor and an antenna coupled with the fingerprint sensor for inductive coupling of the fingerprint sensor with a booster antenna.

Systems and methods for operating a tag system. The methods comprising: wirelessly communicating, from a tag, a first signal at a first frequency spectrum that allows a tag reader to detect the first signal, when the tag is not proximate to an antenna modulation marker or when the antenna modulation marker has a first orientation relative to the tag; and performing operations by the tag to wirelessly communicate a second signal at a second frequency spectrum that does not allow the tag reader to detect the first signal, when the tag is proximate to the antenna modulation marker or when the antenna modulation marker has a second different orientation relative to the tag.

In some embodiments, a product includes a card having a front face, a back face and a payment-enabling mechanism, where the front face is opposite to the back face. Account information is disposed on the front face, the back face, or both, in a tactile writing system, as well as one or more card identification texture strips. The one or more card identification texture strips each comprise at least one region having a texture pattern different from a base texture of the card, where the texture pattern comprises a roughness texture pattern, and where the texture pattern is unique to an issuer of the card.

A card with power management circuitry is provided. A card may have circuitry contained therein (e.g., a processor) that may have a maximum operating voltage. The card may include a power source (e.g., a battery) that provides power ranging in voltage from a maximum power source voltage to a minimum power source voltage. The maximum power source voltage is greater than the maximum operating voltage. Power management circuitry is provided to manage the power received from the power source such that the voltage provided to the circuitry (e.g., processor) does not exceed the maximum operating voltage.

Provided are a radio frequency identification tag and a method of manufacturing the same. The radio frequency identification tag includes a substrate, an antenna unit provided on the substrate and configured to transmit and receive signals, an integrated circuit unit spaced apart from the antenna unit on the substrate, and an interrupter and a delay circuit unit connected in parallel between the antenna unit and the integrated circuit unit, wherein the interrupter includes a variable portion and a fixed portion opposite the variable portion, wherein the delay circuit unit includes a capacitor and a resistor.

A device includes a first inductor and a second inductor. The first inductor has a first inductive coupling profile. A first circuit component is coupled to the first inductor. A second inductor has a second inductive coupling profile. A second circuit component coupled to the second inductor.

An electronic module preparation layer (A) and a manufacturing method therefor. The electronic module preparation layer (A) comprises a substrate (10), multiple electronic modules (20) and two release layers (30, 40). The multiple electronic modules (20) are coated in the substrate (10) by means of the two release layers (30, 40) so as to provide a protective effect. When a user needs to input a program code to various electronic modules (20), since one of the release layers, i.e. the release layer (40), is provided with an operation hole (42), a chip (21) and a fingerprint identification element (23) provided on various electronic modules (20) can communicate with the outside, and the user can directly carry out an operation of inputting the program code by means of the electronic module preparation layer (A), thereby effectively improving the defect in the prior art that various electronic modules (20) can easily be bent and damaged when directly inputting into the electronic modules (20), and an electronic module preparation layer (A) is thus provided.

A transaction card includes at least one metal layer having one or more apertures therein. A light guide is disposed beneath the metal layer. The light guide has a light output and a light input. The light output is positioned to transmit light through at least the one or more apertures of the metal layer. At least one LED is positioned to transmit light into the light input of the light guide.