Electronic apparatus using touch panel and setting value modification method of same
AssigneeLenovo Innovations Limited (Hong Kong)
InventorToshihiko Fujibayashi
Life of this patent
Estimating the term…
Abstract
An electronic device includes a touch panel, and a controlling unit which detects a user touch operation of drawing a circular trajectory on the touch panel and a size of a circular portion surrounded by the circular trajectory on the touch panel, calculates an aspect ratio of the circular portion with reference to the longitudinal direction and the horizontal direction on the touch panel, inputs the calculated aspect ratio of the circular portion as control information of the electronic device, and changes a setting value of the electronic device according to the input aspect ratio of the circular portion.
Claims20
An electronic device comprising:
- a touch panel;
- and
- a controlling unit configured i) to detect a user operation of drawing a circular trajectory using a single contact point on the touch panel, the circular trajectory including a true circular trajectory and an elliptic trajectory;
- ii) to determine a size of a circular portion surrounded by the circular trajectory on the touch panel;
- iii) to calculate an aspect ratio of the circular portion surrounded by the circular trajectory of the single contact point with reference to a longitudinal direction and a horizontal direction on the touch panel, the aspect ratio being a ratio of a longitudinal size of the circular portion to a horizontal size of the circular portion;
- iv) to input the calculated aspect ratio of the circular portion as control information of the electronic device;
- and v) to change a setting value of the electronic device according to the input aspect ratio of the circular portion.
A setting value changing method for an electronic device using a touch panel, the method comprising:
- in a controlling unit, detecting a user operation of drawing a circular trajectory on the touch panel and determining a size of a circular portion surrounded by the circular trajectory using a single contact point on the touch panel, the circular trajectory including a true circular trajectory and an elliptic trajectory;
- calculating an aspect ratio of the circular portion surrounded by the circular trajectory of the single contact point with reference to a longitudinal direction and a horizontal direction on the touch panel, the aspect ratio being a ratio of a longitudinal size of the circular portion to a horizontal size of the circular portion;
- inputting the calculated aspect ratio of the circular portion as control information of the electronic device;
- and
- changing a setting value of the electronic device according to the input aspect ratio of the circular portion.
An electronic device, comprising:
- a control part comprising a computer processor;
- a speech output part;
- and
- a touch panel operatively connected to the control part and specifying a user's finger contact with the touch panel, wherein,
- the control part is operatively connected to the touch panel to detect a user operation forming a circular trajectory drawing using a single contact point on the touch panel,
- when the control part detects that the circular trajectory drawing corresponds to an ellipse, the control part is further operative, when the ellipse is a circular ellipse, i) to calculate a longitudinal size of the ellipse of the single contact point, ii) to calculate a horizontal size of the circular ellipse of the single contact point, and iii) based on a ratio of the calculated longitudinal size to the calculated horizontal size, to calculate an aspect ratio of the ellipse of the single contact point, the longitudinal size and the horizontal size being detected with reference to two mutually-orthogonal directions of the touch panel, and
- the control part is operatively connected to the speech output part to input the calculated aspect ratio as control information of the electronic device, and then to change a sound setting value of the electronic device according to the input calculated aspect ratio.
Dependencies are inferred from the claim text.