I want to connect USB Barcode Scanner To arduino .

Hello Everyone,
I want to connect USB barcode reader to arduino.
please tell me how it is possible without USB shield.
I want to connect it using chip way.
i am already connect barcode scanner using USB host shield by circuit@home.
Please tell me how to connect USB Barcode reader to Arduino.
Thanking You,

Best Regards,

Harvindersinh

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please tell me how it is possible without USB shield.

It isn't.