Title:
MOVEMENT SENSOR IN A MICRO ELECTRO-MECHANICAL DEVICE
Document Type and Number:
WIPO Patent Application WO2001002289
Kind Code:
A9
Abstract:
A micro electro-mechanical device embodied within an ink ejection nozzle having an actuating arm that is caused to move an ink displacing paddle (27) when heat inducing electric current is passed through the actuating arm. The device incorporates a movement sensor (37, 39) that comprises a moving contact element (37) that is formed integrally with the actuating arm, a fixed contact element (39) that is formed integrally with a support structure of the device and electrical elements formed within the support structure for detecting contact that is made between the fixed contact element (39) and the moving contact element (37). The movement sensor (37, 39) is provided for the purpose of facilitating testing of the device under various operating conditions.
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Inventors:
SILVERBROOK KIA (AU)
Application Number:
PCT/AU2000/000582
Publication Date:
March 24, 2005
Filing Date:
May 24, 2000
Export Citation:
Assignee:
SILVERBROOK RES PTY LTD (AU)
SILVERBROOK KIA (AU)
SILVERBROOK KIA (AU)
International Classes:
B41J2/015; B41J2/04; B41J2/045; B41J2/05; B41J2/055; B41J2/14; B41J29/393; B81C99/00; H01H51/22; H01H73/00; (IPC1-7): B81B7/04; B41J2/125
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