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Authors:
Mecke, Lukas; Prieto Romero, Ismael; Delgado Rodriguez, Sarah; Alt, Florian 
Document type:
Konferenzbeitrag / Conference Paper 
Title:
Exploring the Use of Electromagnets to Influence Key Targeting on Physical Keyboards 
Title of conference publication:
Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems 
Subtitle of conference publication:
CHI EA '23 
Conference title:
Conference on Human Factors in Computing Systems (2023, Hamburg) 
Venue:
Hamburg 
Year of conference:
2023 
Date of conference beginning:
23.04.2023 
Date of conference ending:
28.04.2023 
Place of publication:
New York, NY 
Publisher:
Association for Computing Machinery 
Year:
2023 
Language:
Englisch 
Keywords:
output ; typing ; electromagnets ; keyboards 
Abstract:
In this work, we explore the use of force induced through electromagnets to influence finger movement while using a keyboard. To achieve this we generate a magnetic field below a keyboard and place a permanent magnet on the user’s finger as a minimally invasive approach to dynamically induce variable force. Contrary to other approaches our setup can thus generate forces even at a distance from the keyboard. We explore this concept by building a prototype and analyzing different configurations of electromagnets (i.e., attraction and repulsion) and placements of a permanent magnet on the user’s fingers in a preliminary study (N=4). Our force measurements show that we can induce 3.56  N at a distance of 10  mm. Placing the magnet on the index finger allowed for influencing key press times and was perceived as comfortable. Finally, we discuss implications and potential application areas like mid-air feedback and guidance. 
ISBN:
978-1-4503-9422-2 
Department:
Fakultät für Informatik 
Institute:
INF 5 - Institut für Anwendungssicherheit 
Chair:
Alt, Florian 
Research Hub UniBw M:
CODE 
Open Access yes or no?:
Nein / No