Systems and methods for financial transaction through miniaturized card with ASIC
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06K-007/08
G06K-007/00
G06K-019/06
G07F-007/08
G06Q-020/32
G06Q-020/34
G06Q-030/06
G06Q-040/02
출원번호
US-0010976
(2011-01-21)
등록번호
US-9016572
(2015-04-28)
발명자
/ 주소
Babu, Amish Rajesh
McKelvey, Jim
Wen, Sam
Dorsey, Jack
출원인 / 주소
Square, Inc.
대리인 / 주소
Novak Druce Connolly Bove + Quigg LLP
인용정보
피인용 횟수 :
30인용 특허 :
89
초록▼
A card reader device is provided with a housing having a slot for swiping a magnetic stripe of a card to complete a financial transaction between a buyer and seller. A read head is in the housing reads data stored on the magnetic stripe and produces a signal indicative of data stored on the magnetic
A card reader device is provided with a housing having a slot for swiping a magnetic stripe of a card to complete a financial transaction between a buyer and seller. A read head is in the housing reads data stored on the magnetic stripe and produces a signal indicative of data stored on the magnetic stripe. An output jack is adapted to be inserted into a microphone input associated with a mobile device for provides the signal indicative of data stored on the magnetic stripe to the mobile device. A sourcing power device couples to an audio jack of the mobile device and sources power from the mobile device through the audio jack.
대표청구항▼
1. A card reader device, comprising: a housing having a slot for swiping a magnetic stripe of a card to complete a financial transaction between a buyer and seller;a read head in the housing for reading data stored on the magnetic stripe and for producing a signal indicative of data stored on the ma
1. A card reader device, comprising: a housing having a slot for swiping a magnetic stripe of a card to complete a financial transaction between a buyer and seller;a read head in the housing for reading data stored on the magnetic stripe and for producing a signal indicative of data stored on the magnetic stripe;an output jack adapted to be coupled to and de-coupled from an audio jack of a mobile device, the output jack configured for providing the signal indicative of data stored on the magnetic stripe to the mobile device; andcard reader device electronics including a sourcing power device and a power subsystem that couples to the audio jack of the mobile device and sources power from the mobile device through the audio jack, the power subsystem converting a bias voltage from the mobile device to a card reader system voltage,and wherein the card reader device electronics further comprises a control unit and a monitoring system, wherein the control unit and the monitoring system are configured to put at least a portion of the card reader device electronics into a sleep state when the card reader is not in an active state while the monitoring system remains active, the control unit being configured to receive an awakening notification from the monitoring system, wherein the monitoring system is configured for waking at least the portion of the card reader device electronics from the sleep state and the control unit is configured for creating a power cycle to wake up at least the portion of the card reader device electronics from the sleep state into an active state. 2. The card reader device of claim 1, wherein the sourcing power device is embedded in an ASIC or a microcontroller. 3. The card reader device of claim 1, wherein a power source from the mobile device is delivered to the sourcing power device. 4. The card reader device of claim 1, wherein the sourcing power device includes dedicated silicon to source power from the audio jack. 5. The card reader device of claim 1, wherein the sourcing power device includes an F2F decoding core that accepts a one, two, or three head input in parallel from the read head. 6. The card reader device of claim 5, wherein the input from the read head to the sourcing power device is parallel data that is stored and output to a microphone jack of the mobile device. 7. The card reader device of claim 5, wherein the read head reads more than one track. 8. The card reader device of claim 1, wherein outputs from the card reader device to the mobile device are decoded/clocked data as a self clocking signal. 9. The card reader device of claim 1, wherein outputs from the card reader device to the mobile device are decoded/clocked data with frequency shift keying (FSK). 10. The card reader device of claim 1, wherein in response to a successful card swipe of the card through the slot a single output stream is sent to the mobile device. 11. The card reader device of claim 1, wherein the signal from the card reader device to the mobile device is configured to shift out serially. 12. The card reader device of claim 1, wherein the read head reads a track 1 and at least a track 2 of the card. 13. The card reader device of claim 1, wherein the sourcing power device includes a memory. 14. The card reader device of claim 1, wherein the audio jack includes right and left audio channels, a microphone input, and ground, and power from the mobile device is delivered to the sourcing power device through one of the audio channels. 15. The card reader device of claim 1, wherein control signaling from the mobile device into the sourcing power device is from a channel that does not deliver the power using FSK. 16. A card reader device, comprising: a housing having a slot for swiping a magnetic stripe of a card to complete a financial transaction between a buyer and seller;a read head in the housing for reading data stored on the magnetic stripe and for producing a signal indicative of data stored on the magnetic stripe;an output jack adapted to be coupled to and de-coupled from an audio jack associated with a mobile device for providing the signal indicative of data stored on the magnetic stripe to the mobile device;a sourcing power device and a power subsystem that couples to the audio jack of the mobile device and sources power from the mobile device through the audio jack, the power subsystem configured to convert a bias voltage from the mobile device to a card reader system voltage;wherein the power subsystem is coupled to card reader device electronics and wherein the device electronics further comprises a control unit and a monitoring system, the control unit configured to put at least a portion of the card reader device electronics into a sleep state when the card reader is not in an active state while the monitoring system remains active, and wherein the monitoring system is further configured to wake the portion of the card reader device electronics from the sleep state before a power cycle of the card reader is activated and wherein the control unit is configured to force the power cycle; andwherein, in response to a successful card swipe of the card through the slot, a hardware identification of the card reader device is transmitted through the audio jack. 17. The card reader device of claim 16, wherein the hardware identification of the card reader is programmed through a serial protocol and is an embedded identification. 18. A method for conducting a financial transaction using a card reader and a mobile device, comprising: coupling a card reader to a mobile device by inserting an output jack of the card reader into an audio jack of the mobile device;coupling a sourcing power device of the mobile device to card reader electronics including a control unit and a monitoring system, using the control unit to put at least a portion of the card reader electronics into a sleep state when the card reader is not in an active state while the monitoring system remains active;using the monitoring system to wake the portion of the card reader electronics from the sleep state before a power cycle of the card reader is initiated; andin response to a transaction between a buyer and a seller, providing a signal indicative of data stored on a magnetic stripe of a card from the card reader to the mobile device. 19. The method of claim 18, wherein the signal is output as a clocked signal with a consistent amplitude. 20. The method of claim 18, wherein the card reader reads at least first and second tracks of a magnetic card. 21. The method of claim 20, wherein the card reader reads information from the first and second tracks selected from at least one of primary account number (PAN), card holder name, card expiration date, service code, discretionary data, and value or card verification code. 22. The method of claim 18, wherein the card reader can read from a damaged card. 23. The method of claim 18, wherein the card reader outputs to the mobile device a clocked signal with a consistent amplitude.
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Lamba, Kartik; Babu, Amish; Rothschild, Adam David Peter; Dorsey, Jack; McKelvey, James M., Card reader with power efficient architecture that includes a power supply and a wake up circuit.
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