A browser executing on a computer terminal associated with a merchant receives a payment request for a purchase by a customer from the merchant. The computer terminal transmits, over a communications network to a mobile communication device associated with the customer, a push notification including the payment request and a set of instructions. The payment request indicates an identifier and amount of the purchase. The set of instructions causes the mobile communication device to activate a card reader using a mobile payment app, present the purchase amount to the customer on a touch-sensitive display of the mobile computing device, receive an acceptance of the purchase amount from the customer via the touch-sensitive display, and authorize the card reader to process payment for the purchase amount based on the acceptance. The computer terminal receives, over the communications network, a confirmation of the processed payment from the mobile computing device.

A key entry device including a housing, a keypad array disposed within the housing and including a plurality of keys, a key contact array disposed within the housing below the keypad array and including a plurality of contact pairs, a dome array underlying the keypad array and the key contact array and including a plurality of domes, and a protrusion array underlying the dome array and including a plurality of protrusions, whereby depression of one of the plurality of keys of the keypad array causes a corresponding one of the domes of the dome array to be displaced downwardly and to be deformed by pushing engagement with a corresponding one of the protrusions of the protrusion array into contact with at least one of the contact pairs of the key contact array.

Some embodiments include a smart card reader system that includes a card reader cavity that is impervious to liquid. The card reader cavity includes a secure card reader (SCR) holder bonded to a printed circuit board (PCB), to provide a liquid barrier between the SCR holder and the PCB. The PCB includes an SCR spring contact connector. The card reader cavity can receive a smart card including an integrated circuit (IC), where the IC is coupled to the SCR spring contact connector. A processor coupled to the SCR spring contact connector, can receive an input regarding a transaction using data of the smart card, and execute the transaction. In some embodiments a roller system seals the card reader cavity when the smart card reader system is not in use.

A card connector, a card holder, and a terminal device, where the card connector includes a plurality of first terminals and one or more second terminals. The first terminals are arranged to form a first card access area that installs a first card, and the first terminals are configured to be electrically coupled to the first card. The one or more second terminals are distributed on a periphery of the first card access area, the first terminals and the one or more second terminals form a second card access area that installs a second card, and the first terminals and the one or more second terminals are configured to be electrically coupled to the second card.

An electronic device is provided. The electronic device includes a housing forming at least a portion of an electronic device exterior, a socket disposed inside the housing, a tray and a storage medium. The storage medium includes a first terminal surface with a terminal and a second terminal surface with a terminal. The first and second terminal surfaces face away from one another. The storage medium is seatable on the tray.. The socket includes a plurality of first conductive contacts that face the first terminal surface and come into contact with at least some of a plurality of pins provided on the storage medium and a plurality of second conductive contacts that face the second terminal surface and come into contact with at least some of the plurality of pins of the storage medium in a state of being disposed not to come into contact with the plurality of first conductive contacts.

Some embodiments include a smart card reader system that includes a card reader cavity that is impervious to liquid. The card reader cavity includes a secure card reader (SCR) holder bonded to a printed circuit board (PCB), to provide a liquid barrier between the SCR holder and the PCB. The PCB includes an SCR spring contact connector. The card reader cavity can receive a smart card including an integrated circuit (IC), where the IC is coupled to the SCR spring contact connector. A processor coupled to the SCR spring contact connector, can receive an input regarding a transaction using data of the smart card, and execute the transaction. In some embodiments a roller system seals the card reader cavity when the smart card reader system is not in use.

According to one embodiment, a reader/writer includes an insertion portion and a support member. An information storage medium held by a person with fingers is inserted into the insertion portion. The support member supports the insertion portion on an installation surface by causing an insertion direction of the information storage medium with respect to the insertion portion to be lowered to the front to intersect with a horizontal plane. In the support member, an intersection angle between the insertion direction and the horizontal plane is set to a predetermined acute angle at which the fingers of the person do not interfere with the installation surface when the information storage medium is inserted into the insertion portion.

A nano memory card and a terminal, where the nano memory card includes a card body, a chip, and an interface, where the chip is disposed inside the card body, the interface is disposed on a surface of the card body, the chip is electrically coupled to the interface, the card body includes a first surface and a second surface that are disposed oppositely, the interface includes a plurality of contacts, and the contacts are distributed on the first surface and the second surface. The contacts are arranged on both the first surface and the second surface of the card body.

Some embodiments include a smart card reader system that includes a card reader cavity that is impervious to liquid. The card reader cavity includes a secure card reader (SCR) holder bonded to a printed circuit board (PCB), to provide a liquid barrier between the SCR holder and the PCB. The PCB includes an SCR spring contact connector. The card reader cavity can receive a smart card including an integrated circuit (IC), where the IC is coupled to the SCR spring contact connector. A processor coupled to the SCR spring contact connector, can receive an input regarding a transaction using data of the smart card, and execute the transaction. In some embodiments a roller system seals the card reader cavity when the smart card reader system is not in use.

A memory card reader body includes proposed, on an internal face, a receiving recess to receive a memory card connector. The receiving recess has electrically conductive tracks forming a protective mesh for the memory card connector. The conductive tracks are such that they also extend on an external face of the memory card reader body through vias passing through the internal and external faces.