Ruputer

The Ruputer is a wristwatch computer developed in 1998 by Seiko.wikipedia
21 Related Articles

Smartwatch

smart watchsmartwatcheswatch phone
The Ruputer is a wristwatch computer developed in 1998 by Seiko.
See also Linux Journal, where Mann's Linux wristwatch appeared on the cover and was the feature article of LJ Issue 75. Seiko launched the Ruputer in Japan - a wristwatch computer with a 3.6 MHz processor.

Seiko

Hattori SeikoHattori Seiko Co.lorus
The Ruputer is a wristwatch computer developed in 1998 by Seiko.

Central processing unit

CPUprocessorprocessors
The Ruputer has a 16-bit, 3.6 MHz processor and 2 MB of non-volatile storage memory and 128 KB of RAM.

Liquid-crystal display

LCDliquid crystal displayliquid crystal displays
Its display is a 102×64 pixel monochrome LCD.

Joystick

control stickjoysticksarcade stick
Its main forms of input are a tiny 8-direction joystick and 6 function buttons.

Serial communication

serialserial interfaceserial communications
It also has a serial interface and an IR port for communicating with other devices.

Infrared

IRnear-infraredinfra-red
It also has a serial interface and an IR port for communicating with other devices.

Software development kit

SDKSDKsdevelopment kits
The device was distributed with a software development kit which allows for creation of new software written in the programming language C.

C (programming language)

CC programming languageC language
The device was distributed with a software development kit which allows for creation of new software written in the programming language C.

Flash memory

flashNANDflash storage
While the Ruputer was available with either 512Kb of storage (original Ruputer), 2Mb (Ruputer PRO), or 4 Mb of flash memory (Ruputer PRO4), the onHand PC came only in a single version with 2Mb of storage.

Operating system

operating systemsOScomputer operating system
The operating system is known as W-PS-DOS version 1.16.

Graphical user interface

GUIgraphicalgraphical interface
The device features both an icon-based GUI and a text-based user interface.

Random-access memory

RAMmemoryrandom access memory
The Ruputer has a 16-bit, 3.6 MHz processor and 2 MB of non-volatile storage memory and 128 KB of RAM. There is 128Kb of RAM, with an additional 128Kb of ROM.

Read-only memory

ROMROMsread-only
There is 128Kb of RAM, with an additional 128Kb of ROM.

Personal computer

PCPCspersonal computers
The second method is by synchronizing data from a full-sized PC using the included software.

Arcade game

Arcadearcadesarcade games
Second, their joystick input requires entering text in a process similar to that of entering one's initials in an arcade game high-score list.

Fossil Wrist PDA

AbacusAU5005Wrist PDA
The main competitor for the onHand PC was the Fossil Wrist PDA, a wristwatch-sized PDA.

Personal digital assistant

PDAPDAspersonal digital assistants
The main competitor for the onHand PC was the Fossil Wrist PDA, a wristwatch-sized PDA.

Palm OS

PalmPalm Operating SystemPalm OS 5.2.8
The device runs Palm OS 4.1., and like other Palm OS devices, has a virtual keyboard and touch-sensitive screen with handwriting recognition, giving the Wrist PDA an advantage over the joystick input on the onHand PC. The Wrist PDA features 8Mb of memory, four times the memory in the onHand, although a major disadvantage of the Fossil device was volatile memory - if the battery died, data was lost.

Virtual keyboard

on-screen keyboardbacklitkeyboard
The device runs Palm OS 4.1., and like other Palm OS devices, has a virtual keyboard and touch-sensitive screen with handwriting recognition, giving the Wrist PDA an advantage over the joystick input on the onHand PC. The Wrist PDA features 8Mb of memory, four times the memory in the onHand, although a major disadvantage of the Fossil device was volatile memory - if the battery died, data was lost.

Wearable computer

wearable computingwearableswearable
In 1998, Seiko marketed the Ruputer, a computer in a (fairly large) wristwatch, to mediocre returns.