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Most attempts to realize an olfactory display have involved capturing and synthesizing the odor, processes that still pose many challenging problems. These difficulties are mainly due to the mechanism of human olfaction, in which a set of so-called " primary odors " has not been found. Instead, we focus on spatio-temporal control of odor rather than(More)
This paper presents a development history of a wearable, scalable vibrotactile stimulus delivery system. This history has followed a path from desktop-based, fully wired systems, through hybrid approaches consisting of a wireless connection from the host computer to a body-worn control box and wires to each tactor, to a completely wireless system employing(More)
In the paper, we describe a series of stages in the development of a new virtual locomotion device designed to enhance remote, interpersonal communications. The latest system , called GSS (Ground Surface Simulator) , inherits the features of two previous locomotion interfaces, i.e. ATLAS (ATR Locomotion Interface for Active Self Motion) and ALF (ALive(More)
This paper proposes a Bluetooth-based indoor proximity detection method for nursing context awareness. We exploit proximity between Bluetooth devices attached to people and objects for estimating 1) room-level proximity of people and objects, and 2) mutual proximity between moving people and objects. We show that the proximity information exchanged between(More)
Palmtop displays have been extensively studied, but most of them simply refocus information in the real or virtual world. The palmtop display for dextrous manipulation (PDDM) proposed in this paper allows the users to manipulate a remote object as if they were holding it in their hands. The PDDM system has a small LCD, a 3D mouse and a mechanical linkage(More)
The constant hard work of providing nursing care, including handling emergencies, often causes medical accidents in hospitals. This paper proposes a wearable auto-event-recording system of medical nursing in order to capture the events never to be overlooked for analyzing such accidents. Our main concern is user-friendliness of the system for nurses. We've(More)
Olfaction is considered to be an important sensory modality in next-generation virtual reality (VR) systems. We currently focus on spatiotemporal control of odor, rather than capturing and synthesizing odor itself. If we simply diffused the odor into the atmosphere, it would be difficult to clean it away in a short time. Several olfactory displays that(More)
Vibrotactile displays are expected to be effective tools for presenting personal information. We investigate the possibility of showing various kinds of information by making use of tactile apparent movement. As a first step, we observe the occurrence of apparent movement for various values of stimulus duration and stimulus onset asynchrony for two types of(More)
The Proactive Desk is a new digital desk with haptic feedback. The Proactive Desk al lows a user to handle both virtual and real objects on a digital desk with a realistic feeling. We proposed it for a co-experience web that would enable peo ple to share the feelings and ex pe ri enc es of other users via the Internet. In the Proactive Desk, two linear(More)