Title:
TOUCH SENSITIVE DEVICE GENERATING A HAPTIC FEEDBACK THAT SIMULATES A CLICK FEELING
Document Type and Number:
WIPO Patent Application WO/2011/039545
Kind Code:
A3
Abstract:
A method of generating a keyboard switch haptic sensation in a coupled system comprising a touch-sensitive surface and a force exciter or actuator coupled to the touch-sensitive surface, the method comprising generating a carrier wave signal at frequencies within the frequency bandwidth of the coupled system, modulating the carrier wave signal with a modulation envelope so that the modulated carrier wave signal has a closely spaced pair of peaks, and driving the exciter or actuator with the modulated carrier wave signal to excite the touch-sensitive surface to provide a closely spaced pair of impulses whereby the keyboard switch haptic sensation is simulated to a user touching the touch-sensitive surface.
Inventors:
HARRIS NEIL JOHN (GB)
Application Number:
PCT/GB2010/051640
Publication Date:
September 15, 2011
Filing Date:
October 01, 2010
Export Citation:
Assignee:
NEW TRANSDUCERS LTD (GB)
HARRIS NEIL JOHN (GB)
HARRIS NEIL JOHN (GB)
International Classes:
G06F3/041
Domestic Patent References:
| WO2009074826A1 | 2009-06-18 |
Foreign References:
| US20080100177A1 | 2008-05-01 | |||
| US20050248549A1 | 2005-11-10 |
Other References:
POUPYREV I ET AL: "AMBIENT TOUCH: DESIGNING TACTILE INTERFACES FOR HANDHELD DEVICES", UIST 02. PROCEEDINGS OF THE 15TH. ANNUAL ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY. PARIS, FRANCE, OCT. 27 - 30, 2002; [ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY], NEW YORK, NY : ACM, US, vol. CONF. 15, 27 October 2002 (2002-10-27), pages 51 - 60, XP001171567, ISBN: 978-1-58113-488-9, DOI: DOI:10.1145/571985.571993
POUPYREV I ET AL: "Tactile Interfaces for Small Touch Screens", 1 January 2003, PROCEEDINGS OF THE 16TH ANNUAL ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY : VANCOUVER, CANADA, NOVEMBER 2 - 5, 2003; [ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY], ACM PRESS, NEW YORK, NY, PAGE(S) 217 - 220, ISBN: 978-1-58113-636-4, XP002516572
HOGGAN E ET AL: "Investigating the effectiveness of tactile feedback for mobile touchscreens", 5 April 2008, THE 26TH ANNUAL CHI CONFERENCE ON HUMAN FACTORS IN COMPUTING SYSTEMS, CHI 2008: CONFERENCE PROCEEDINGS; APRIL 5-10, 2008 IN FLORENCE, ITALY, ACM. ASSOCIATION FOR COMPUTING MACHINERY, FLORENCE, ITALY, PAGE(S) 1573 - 1582, ISBN: 978-1-60558-011-1, XP002525519
TASHIRO K ET AL: "Realization of button click feeling by use of ultrasonic vibration and force feedback", 18 March 2009, PROCEEDINGS - 3RD JOINT EUROHAPTICS CONFERENCE AND SYMPOSIUM ON HAPTIC INTERFACES FOR VIRTUAL ENVIRONMENT AND TELEOPERATOR SYSTEMS, WORLD HAPTICS 2009 - PROCEEDINGS - 3RD JOINT EUROHAPTICS CONFERENCE AND SYMPOSIUM ON HAPTIC INTERFACES FOR VIRTUAL ENV, XP002646931
POUPYREV I ET AL: "Tactile Interfaces for Small Touch Screens", 1 January 2003, PROCEEDINGS OF THE 16TH ANNUAL ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY : VANCOUVER, CANADA, NOVEMBER 2 - 5, 2003; [ACM SYMPOSIUM ON USER INTERFACE SOFTWARE AND TECHNOLOGY], ACM PRESS, NEW YORK, NY, PAGE(S) 217 - 220, ISBN: 978-1-58113-636-4, XP002516572
HOGGAN E ET AL: "Investigating the effectiveness of tactile feedback for mobile touchscreens", 5 April 2008, THE 26TH ANNUAL CHI CONFERENCE ON HUMAN FACTORS IN COMPUTING SYSTEMS, CHI 2008: CONFERENCE PROCEEDINGS; APRIL 5-10, 2008 IN FLORENCE, ITALY, ACM. ASSOCIATION FOR COMPUTING MACHINERY, FLORENCE, ITALY, PAGE(S) 1573 - 1582, ISBN: 978-1-60558-011-1, XP002525519
TASHIRO K ET AL: "Realization of button click feeling by use of ultrasonic vibration and force feedback", 18 March 2009, PROCEEDINGS - 3RD JOINT EUROHAPTICS CONFERENCE AND SYMPOSIUM ON HAPTIC INTERFACES FOR VIRTUAL ENVIRONMENT AND TELEOPERATOR SYSTEMS, WORLD HAPTICS 2009 - PROCEEDINGS - 3RD JOINT EUROHAPTICS CONFERENCE AND SYMPOSIUM ON HAPTIC INTERFACES FOR VIRTUAL ENV, XP002646931
Attorney, Agent or Firm:
MARKS & CLERK LLP (Cambridge, Cambridgeshire CB2 1LA, GB)
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