Amplification of sound by conduction electrons in a piezoelectric superlattice It is shown that the amplification coefficient of sound with a wave vector corresponding to a Brillouin zone edge of a superlattice structure containing at... Ketterson,J. B. - 《Applied Physics Letters》 被引量: 2发表...
a camera (3) mounted on fixed or mobile electronic devices (4) for reading (5), decoding (6) and storage so that via an interface (7 ) perform sound reproduction, enabling a person with or without visual impairment to hear the product information contained in said 2d code label qr (1)...
QR Code Generator PRO helps you contribute to a more inclusive world through accessible QR Codes. Using the tool, you can make life easier for people living with disabilities by allowing them to access information as easily as you would. Sign up forQR Code GeneratorPROtoday to createQR Codest...
You also have the chance to generate your own code (by using an online code generator, for example: www.qrstuff.com) and experiment with your own type of data.-For data reading, QR Sonic requires Barcode Scanner, (https://play.google.com/store/apps/details?id=com.google.zxing.client....
4g/wifi Qr Code Payment Soundbox ES11 E-wallet Payment Collection Stand With Voice Broadcast Speaker For Digital Pay $20.00 - $35.00 Min. order: 1000 pieces Es10 Qr Code Generator Dynamic Qr Code Payment Terminal Bhim Upi Payment Display With Voice Speaker Sound Box $20.00 - $35.00 Min. or...
You also have the chance to generate your own code (by using an online code generator, for example: www.qrstuff.com) and experiment with your own type of data.-For data reading, QR Sonic requires Barcode Scanner, (https://play.google.com/store/apps/details?id=com.google.zxing.client....
QR CODE SCANNER - The QR code scanner app is an essential tool for anyone who needs to scan and decode QR codes. This app provides a reliable and efficient solution for you. - The QR code reader app is extremely easy to use, simply open the app and point the camera at the code you...
4G/2G/WiFi Qr Code Payment Soundbox for Offline Small Business Merchant Z10- Product Description Features 1.Integrated Design, Simple & Compact; 2.Wi-Fi/2G/4G Wireless Connections; 3.Large QR Code Display Supports Customization; 4.Higher Volume Broadcast, Eas...
Bitly’s Connections Platform is more than a free URL shortener, with robust link management software, advanced QR Code features, and a landing page solution.
3.Large QR Code Display Supports Customization; 4.Higher Volume Broadcast, Easier Checkout; 5.Real-time broadcast, Loud and clear sound. CPU ARM Cortex-A5 Memory ROM:8MB,RAM:16MB, Flash: 6MB/8MB/4MB (Optional) Communication GPRS/4G, Wi-Fi (Optional)...