The keyboard is considered "unwanted." Here are some tips for using the touch panel effectively.
"We removed all the unnecessary features," said Noguchi from Sony Electronics. The Sony Reader Daily Edition eliminates the Kindle's physical keyboard, focusing instead on a clean, intuitive reading experience. With a full touchscreen display, users can navigate and interact with content directly, offering a more immersive reading environment (Figure 2).
Figure 2: Main differences in operation
The Reader Daily Edition uses an e-paper screen with a built-in touch panel, allowing direct interaction with the display. In contrast, the Nook offers a separate LCD screen alongside the e-paper, giving users more options for navigation and input.
As seen in real-world use, the full-screen touch panel enables various functions. For instance, you can write or draw freely on the screen, or zoom in on text for better readability (Figure 3).
Figure 3: Writing and zooming on the screen
The Reader Daily Edition supports two main functions: (a) writing and drawing on the screen, and (b) zooming in on selected text. These features make it ideal for note-taking, highlighting, and personalizing your reading experience.
Noguchi from Sony Electronics is confident that this device will surprise even those familiar with e-paper technology. Despite the generally slow update rate of e-paper displays, the Reader Daily Edition delivers smooth handwriting input without lag. This is achieved through both advanced e-paper technology and optimized software. "Since LIBRIÉ, we've been working closely with E Ink to understand their technology, allowing us to develop the best algorithms," Noguchi explained. This deep integration of hardware and software highlights how thoughtful design can significantly enhance usability.
Barnes & Noble’s Nook also lacks a physical keyboard, but its operating system differs significantly. Instead of relying solely on the main screen, it uses a separate LCD touch panel for tasks like typing (see Figure 2). While this dual-screen approach has its advantages, industry experts believe the design hasn’t fully realized its potential yet.
Basic Design and Similar Details Lead to Key DifferencesWhat hardware improvements have been made to deliver an exceptional reading experience? This time, we worked with several e-book manufacturers and engineers from communication companies to disassemble the Reader Daily Edition and the Nook. Sony designed and manufactured the Reader Daily Edition, while the Nook was developed by an electronics manufacturing service provider for Barnes & Noble. Their origins are quite different, but they share many similarities in design.
Two main observations emerged from the disassembly. First, the basic hardware designs of the two devices are very similar. Second, the Reader Daily Edition shows greater attention to detail in terms of operability, aesthetics, and durability.
The circuit architecture is almost identical.
"What will happen?" is usually the most exciting part of a disassembly. However, this time, the engineer showed no surprise as he opened the case and began the process. It seemed there was nothing particularly unique inside either device. Even after comparing components and checking the main circuit boards, we didn't see major differences (Figures 4 and 5).
Figure 4: Key components
Reader Daily Edition and Nook key components.
Figure 5: Main board comparison
Reader Daily Edition and Nook remove their back shells. The protective shield is also removed. The descriptions of parts are speculative.
An engineer noted that the circuit layout resembles that of a mobile phone, with the processor, 3G module, and other components neatly arranged. This design is very similar to Amazon’s Kindle 2.
However, upon closer inspection, subtle differences were found between the two models, such as (1) different battery placements, (2) variations in antenna size, and (3) different methods of securing the e-paper display.
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