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Patent Searching and Data


Title:
AN INPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/037426
Kind Code:
A3
Abstract:
The present invention is directed towards an input device which in addition to providing input also provides feedback regarding user activity – position of user's finger on the input device. The input device comprising at least one input key, each input key corresponding to an input command and having a switch provided below the input key, the switch operates when the input key is pressed, a sensor associated with each input key for detecting position of a user finger with respect to the input key, a first drive circuit connected with the switch for providing a first signal in response to operation of the input key/switch, a second drive circuit connected with the sensor for providing a second signal in response to operation of the sensor, a processing unit connected with the drive circuits for receiving the first signal and/or second signal and converting the first signal and/or second signal into corresponding command signals to provide input and/or position of the user's finger via a communication module to a portable device and/or a display unit.

Inventors:
ALTAF SHIRPURWALA FAZLE-IMDAD (IN)
Application Number:
PCT/IN2017/050356
Publication Date:
April 26, 2018
Filing Date:
August 22, 2017
Export Citation:
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Assignee:
ALTAF SHIRPURWALA FAZLE IMDAD (IN)
International Classes:
B41B27/04; H01H13/70; H01H13/85; H01H41/14
Foreign References:
US20130063286A12013-03-14
US20110063224A12011-03-17
US20110227872A12011-09-22
US8927890B22015-01-06
US8373664B22013-02-12
Attorney, Agent or Firm:
KHAITAN & CO (IN)
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