INFORMATION INPUTTING DEVICE AND INFORMATION INPUTTING METHOD
First Claim
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1. An information inputting device comprising:
- an ultrasonic wave reception unit which receives an ultrasonic wave signal generated by an electronic pen;
a reference signal reception unit which receives a reference signal generated by the electronic pen;
a position measurement unit which measures a position of the electronic pen by using a time difference between a reception time of the reference signal received by the reference signal reception unit and a reception time of the ultrasonic wave signal received by the ultrasonic wave reception unit and inputs second position information indicating the position of the electronic pen; and
an input means selection unit which outputs first position information input from a touch panel, which senses user'"'"'s contact and outputs the first position information, or the second position information according to user'"'"'s intention of use.
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Abstract
Provided are an information inputting device and an information inputting method capable of inputting information to a portable electronic apparatus by using a touch panel and an electronic pen. In the information inputting device and the information inputting method, the portable electronic apparatus including a touch panel is combined with a receiver which receives an ultrasonic wave signal and a reference signal, so that it is possible to input information by using the touch panel and to accurately input information by using the electronic pen which emits the ultrasonic wave signal.
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Citations
22 Claims
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1. An information inputting device comprising:
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an ultrasonic wave reception unit which receives an ultrasonic wave signal generated by an electronic pen; a reference signal reception unit which receives a reference signal generated by the electronic pen; a position measurement unit which measures a position of the electronic pen by using a time difference between a reception time of the reference signal received by the reference signal reception unit and a reception time of the ultrasonic wave signal received by the ultrasonic wave reception unit and inputs second position information indicating the position of the electronic pen; and an input means selection unit which outputs first position information input from a touch panel, which senses user'"'"'s contact and outputs the first position information, or the second position information according to user'"'"'s intention of use. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method of inputting information to a portable electronic apparatus in an information inputting device combined with the portable electronic apparatus including a touch panel, comprising steps of:
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(a) in the information inputting device, determining which input means between the touch panel and an electronic pen a user is to use to input information; (b) in the case where it is determined that the user is to input information by using the touch panel, in the information inputting device, outputting first position information indicating a position of the touch panel touched by the user, which is input from the touch panel, to the portable electronic apparatus; and (c) in the case where it is determined that the user is to input information by using the electronic pen, in the information inputting device, outputting second position information indicating a position of the electronic pen to the portable electronic apparatus. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22)
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Specification