Sony Digital Paper is a line of tablet-size

E ink E Ink (electronic ink) is a brand of electronic paper (e-paper) display technology commercialized by the E Ink Corporation, which was co-founded in 1997 by MIT undergraduates JD Albert and Barrett Comiskey, MIT Media Lab professor Joseph Jacobs ...

devices by

Sony is a Japanese multinational conglomerate (company), conglomerate headquartered at Sony City in Minato, Tokyo, Japan. The Sony Group encompasses various businesses, including Sony Corporation (electronics), Sony Semiconductor Solutions (i ...

, aimed at business professionals to read and edit digital documents.

DPT-S1

The Sony DPT-S1 is a 13.3-inch (approaching A4)

e-reader An e-reader, also called an e reader or e device, is a Mobile computing, mobile electronic device that is designed primarily for the purpose of reading digital e-books and Periodical literature, periodicals. Any device that can display text on ...

, aimed at professional business users. The DPT-S1 Digital Paper can display only

PDF Portable document format (PDF), standardized as ISO 32000, is a file format developed by Adobe Inc., Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, computer hardware, ...

files at their native size and lacks the ability to display any other

e-book An ebook (short for electronic book), also spelled as e-book or eBook, is a book publication made available in electronic form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. Al ...

formats. The reader has been criticized for being too expensive for most consumers, with an initial price of US$1,100, falling to $700 at its end. The reader is lightweight and has low

power consumption Electric energy consumption is energy consumption in the form of electrical energy. About a fifth of global energy is consumed as electricity: for residential, industrial, commercial, transportation and other purposes. The global electricity con ...

, a

Wi-Fi Wi-Fi () is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for Wireless LAN, local area networking of devices and Internet access, allowing nearby digital devices to exchange data by ...

connection, and a

stylus A stylus is a writing utensil or tool for scribing or marking into softer materials. Different styluses were used to write in cuneiform by pressing into wet clay, and to scribe or carve into a wax tablet. Very hard styluses are also used to En ...

for making notes or highlights. The DPT-S1 was released in Japan on December 3, 2013 and launched elsewhere in 2014. Sony announced the discontinuation of the DPT-S1 in late 2016.

Specifications

The 13.3-inch e-Ink Mobius

electronic paper Electronic paper or intelligent paper, is a display device that reflects ambient light, mimicking the appearance of ordinary ink on paper – unlike conventional flat-panel displays which need additional energy to emit their own light. This may ...

screen has a resolution of pixels, with a capacitive touchscreen. The device has an

ARM Cortex-A8 The ARM Cortex-A8 is a 32-bit processor core licensed by ARM Holdings implementing the ARM architecture, ARMv7-A architecture. Compared to the ARM11, the Cortex-A8 is a dual-issue superscalar processor, superscalar design, achieving roughly twic ...

at 1 GHz microprocessor. It was built on a SoC circuit made by

Freescale Freescale Semiconductor, Inc. was an American semiconductor manufacturer. It was created by the divestiture of the Semiconductor Products Sector of Motorola in 2004. Freescale focused their integrated circuit products on the automotive, embedde ...

. The amount of RAM was not published anywhere. Its internal storage, 4 GB, is shared between system and user; however, it is possible to expand the storage with a

microSD Secure Digital (SD) is a proprietary hardware, proprietary, non-volatile memory, non-volatile, flash memory card format developed by the SD Association (SDA). Owing to their compact size, SD cards have been widely adopted in a variety of port ...

card. It weighs 358 g (0.8 pounds) with a thickness of 6.8 mm. Novel to the DPT-S1 was the ability to interface with specific corporate networks by adding encryption, thus allowing legal professionals to make use of it in their workflow by integrating handwritten annotations into PDFs that could propagate when copied.

DPT-RP1

The Digital Paper DPT-RP1 was announced in April 2017. It features a 13.3-inch screen.

DPT-CP1

The DPT-CP1 from 2018 had a smaller 10.3-inch screen.

DPT-RP2

In 2023, Sony introduced the DPT-RP2.

References

External links

Official site

Sony 13-inch (DPT-S1) Digital Paper Review , youtube.com video , 16:51 , published 8 August 2014
Sony hardware Electronic paper technology {{Comp-hardware-stub