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Dive into the research topics where Tapio Karinsalo is active.

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Featured researches published by Tapio Karinsalo.


ubiquitous computing | 2002

Smart Clothing Prototype for the Arctic Environment

Jaana Rantanen; Jussi Impiö; Tapio Karinsalo; Mikko Malmivaara; Akseli Reho; Mikko Tasanen; Jukka Vanhala

Abstract: Continuous miniaturisation of electronic components has made it possible to create smaller and smaller electrical devices which can be worn and carried all the time. Together with developing fibre and textile technologies, this has enabled the creation of truly usable smart clothes that resemble clothes more than wearable computing equipment. These intelligent clothes are worn like ordinary clothing and provide help in various situations according to the application area. This paper describes the design and implementation of a survival smart clothing prototype for the arctic environment. Concept development, electrical design, and non-electrical features are discussed. The suit provides communication, positioning, and navigation aids for the user. Depending on the measurements of the human and the environment, the suit decides whether an emergency message should be sent. The user can control the system with a user interface called a Yo-Yo. The functionality of the suit has been tested in an arctic environment.


international symposium on wearable computers | 2000

Smart clothing for the arctic environment

Jaana Rantanen; N. Alfthan; Jussi Impiö; Tapio Karinsalo; Mikko Malmivaara; R. Matala; M. Mäkinen; Akseli Reho; P. Talvenmaa; Mikko Tasanen; Jukka Vanhala

New fiber and textile materials and miniaturized electronic components make it possible to create truly usable smart clothes. These intelligent clothes are worn like ordinary clothing providing help in various situations according to the designed application. This paper describes the design and implementation of a survival smart clothing prototype for the arctic environment. Concept development, electrical design, non-electrical features, textile material selection, and clothing design are discussed. Communication and positioning aids have been provided to the suits user. Several human and the environment measurements decide whether an emergency message should be sent. The functionality of the suit has been tested in the arctic environment.


electronic components and technology conference | 2012

Dynamic bending test analysis of inkjet-printed conductors on flexible substrates

Eerik Halonen; Aki Halme; Tapio Karinsalo; Pekka Iso-Ketola; Matti Mäntysalo; Riku Mäkinen

The need to optimize space in electronic devices has made flexible electronics an attractive option for manufacturing electronics. Techniques to fabricate flexible circuits have become more and more common and the processes increasingly more efficient. Printed electronics is a potential technique for manufacturing electronic patterns on flexible substrates. In particular, inkjet printing is an effective way to produce fine, thin, conductive structures without touching the substrate material. This study concentrated on dynamic bending analysis of inkjet-printed silver conductors on a polymer substrate. Because printed electronics is a relatively new manufacturing method, not much research is yet available on mechanical endurance of printed structures. By default, thin layers of inkjet-printed traces may just prove to have good tolerance against bending. However, factors such as adhesion between ink layer and substrate and the effect of the porous structure of sintered nanoparticle ink must be studied. This paper evaluates the capability of the inkjet technique on a flexible substrate and benchmarks the results on conventional flexible copper circuit boards. Measurements were made in real time of the resistance of conductors while bending the sample along two different radii. Results showed that printed conductors were superior in endurance over etched copper circuits.


international symposium on wearable computers | 2009

Development of a Lower Extremity Rehabilitation Aid Utilizing an Insole-Integrated Load Sensor Matrix and a Sole-Embedded Measurement Node

Pekka Iso-Ketola; Tapio Karinsalo; Manu Myry; Aki Halme; Timo Salpavaara; Jukka Lekkala; Jukka Vanhala

Following an individual exercise program after a hip or a knee operation is crucially important as it enables the muscles of the operated leg to regain their strength and thereby support the recovery of the operated joint. Usually the patients have no assisting devices at home to help determine how much weight they put on the operated leg. Training with a scale helps, but in general, humans can not accurately estimate the amount of weight they put on the leg. To address this problem we have designed a lower extremity rehabilitation aid, which utilizes an insole-integrated capacitive load sensor matrix and a sole-embedded read-out electronics with wireless communication link. In this paper we present in detail the manufacturing process of the insole sensor. The placement of the electrodes, calibration, and user interfaces are also discussed. The system is found to be suitable for detecting too light and too heavy steps.


Human Friendly Mechatronics#R##N#Selected Papers of the International Conference on Machine Automation ICMA2000 September 27 – 29, 2000, Osaka, Japan | 2001

Monitoring of the User’s Vital Functions and Environment in Reima Smart Clothing Prototype

Jaana Rantanen; Akseli Reho; Mikko Tasanen; Tapio Karinsalo; Jukka Vanhala

This paper presents the architecture of the developed suit prototype, concentrating on the sensor system used for monitoring the users vital functions and users environment. The wearable computing destines to aid a human user to manage in different situations and environments by providing automated data processing functions and a personalized (even transparent) user interface. Smart clothing consists of multimedia, wireless communication, and wearable computing has become a potential alternative for a wide range of personal applications, including safety and entertainment The main focus has been the creation of a truly functional concept that helps a suits user to survive in harsh and demanding weather conditions. Communication, positioning, and several monitoring aids have been provided to the user. The monitoring system of the suit consists of temperature and acceleration sensors, a heart rate sensor, and an electric conductivity sensor measuring both the human user and the environment. Although the implemented prototype was designed for a special application environment, it still convinced us that because of potential advantages provided by smart clothing, the demand for various kinds of applications would appear in the near future.


Archive | 2017

Dry electrode sizes in recording ECG and heart rate in wearable applications

Atte Joutsen; Emma S. Kaappa; Tapio Karinsalo; Jukka Vanhala

The rise of wearable electronics is paving the way for textile integrated sensor applications. ECG and heart rate monitoring are common in health care and consumer applications, respectively. In short term monitoring Ag/AgCl, conductive polymer or fabric electrodes can be used. In long term monitoring the electrolyte and adhesives may cause skin irritation, therefore textile integrated skin friendly dry electrodes may be a solution. The electrodes need to be cost-effective, easy to integrate, need no special care from the user and perform well. Conductive polymer and textile used in sports applications perform poorly when used without electrolyte. Stainless steel is common, affordable, easy to process, biocompatible (selected alloys), and provides adequate ECG quality. In this paper, we study different size stainless steel dry electrodes in ECG and heart rate monitoring and compare those with commercial disposable Ag/AgCl electrodes. The results show that stainless steel dry electrodes performed well throughout the tested activities if the circular electrode diameter was 20 mm or larger.


Archive | 2004

Method and outfit for measuring of action of muscles of body

Jussi Impiö; Tapio Karinsalo; Akseli Reho; Arto Remes; Pekka Tolvanen; Elina Välimäki


PERMID | 2005

A Mobile Device as User Interface for Wearable Applications.

Pekka Iso-Ketola; Tapio Karinsalo; Manu Myry; Lasse Hahto; Hanna Karhu; Mikko Malmivaara; Jukka Vanhala


Archive | 2002

Method and arrangement for importing data or selection

Akseli Reho; Mikko Tasanen; Tapio Karinsalo; Jussi Impiö


PTC | 2008

HipGuard: A wearable measurement system for patients recovering from a hip operation

Pekka Iso-Ketola; Tapio Karinsalo; Jukka Vanhala

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Jukka Vanhala

Tampere University of Technology

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Mikko Tasanen

Tampere University of Technology

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Pekka Iso-Ketola

Tampere University of Technology

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Jaana Rantanen

Tampere University of Technology

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Mikko Malmivaara

Tampere University of Technology

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Aki Halme

Tampere University of Technology

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Manu Myry

Tampere University of Technology

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Atte Joutsen

Tampere University of Technology

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