How to form a transaction signal

Japanese Patent JP6168990

B2

A method for generating a transaction signal using a first device and a second device includes generating first information dependent on a user-selected amount, transmitting the first information to a verification device and generating therefrom a signal, generating based on the first information with the verification device first verification information, transmitting the signal from the verification device to the first device where the signal is converted into a two-dimensional representation for display on the first device, recording the two-dimensional representation on the display of the first device with a camera of a second device and generating a recording signal, transmitting with the second device the recording signal, or other information dependent on the recording signal, to the verification device for generating second verification information, and generating the transaction signal when a comparison between the first verification information and the second verification information produces a predetermined result.

WO/2017/029596	MANAGING CUSTOMER UNIQUENESS IN TOKENISED TRANSACTION SYSTEMS
JP7352670	Electronic payment methods and systems
WO/2018/227407	ORDER-PLACING METHOD AND APPARATUS

Jürgen Wolff

JP2013511576A

July 26, 2017

May 25, 2011

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PayCash Labs AG

G06Q20/22; G06Q20/02; G06Q20/30; G06Q20/32; G06Q20/40

JP2001344545A
JP2008217497A
JP2002024730A
JP2008217277A
JP2002099716A
JP2002366870A

WO2007018119A1

Einzel Felix-Reinhard
Takuya Kuno

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