Operation detection device and display device
AssigneeMurata Manufacturing Co., Ltd.
InventorKenichi Mori
Life of this patent
Estimating the term…
Abstract
An operation detection device that includes a panel that receives a touch operation from a first main surface or a second main surface; a pressing operation detection unit that detects a pressing operation on the first main surface or the second main surface of the panel; an electrostatic capacitance sensor that detects the touch operation on the first main surface or the second main surface of the panel; and a control unit that determines, according to a detection result of the pressing operation detection unit, which of the first main surface and the second main surface the pressing operation is performed and switches a driving mode of the electrostatic capacitance sensor.
Claims21
An operation detection device comprising:
- a panel configured to receive a touch operation on each of a first main surface and a second main surface thereof;
- a pressing operation detection unit configured to detect when a pressing operation is on the first main surface and when the pressing operation is on the second main surface of the panel;
- an electrostatic capacitance sensor configured to detect when the touch operation is on the first main surface and when the touch operation is on the second main surface of the panel;
- and
- a control unit configured to switch a driving mode of the electrostatic capacitance sensor based on whether the pressing operation is being performed on the first main surface or the second main surface as determined based on a detection result of the pressing operation detection unit that indicates which of the first main surface and the second main surface of the panel that is receiving the pressing operation,
- wherein the control unit is configured to set a press detection threshold value of the electrostatic capacitance sensor and to adjust the press detection threshold value depending on whether the pressing operation detection unit determines that the first main surface or the second main surface of the panel is being operated to switch the driving mode.
An operation detection device, comprising:
- a panel configured to receive a touch operation on each of a first main surface and a second main surface thereof;
- a pressing operation detection unit configured to detect when a pressing operation is on the first main surface and when the pressing operation is on the second main surface of the panel;
- an electrostatic capacitance sensor configured to detect when the touch operation is on the first main surface and when the pressing operation is on the second main surface of the panel, the electrostatic capacitance sensor being a mutual capacitance type sensor that includes a transmission electrode and a reception electrode;
- and
- a control unit configured to switch a driving mode of the electrostatic capacitance sensor based on whether the first main surface or the second main surface is receiving the pressing operation as determined based on a detection result of the pressing operation detection unit that indicates which of the first main surface and the second main surface of the panel is receiving the pressing operation,
- wherein the control unit is configured to perform switching between the transmission electrode and the reception electrode of the electrostatic capacitance sensor to switch the driving mode based on whether the pressing operation detection unit determines that the first main surface or the second main surface of the panel is being operated.
A method for detecting a touch operation on an electronic device, the method comprising:
- receiving, by a panel, a touch operation on a first main surface or a second main surface thereof;
- detecting, by a pressing operation detection unit, when a pressing operation is on the first main surface and when the pressing operation is on the second main surface of the panel;
- detecting, by an electrostatic capacitance sensor, when the touch operation is on the first main surface and when the touch operation is on the second main surface of the panel;
- switching, by a control unit, a driving mode of the electrostatic capacitance sensor based on whether the first main surface or the second main surface is receiving the pressing operation as determined based on a detection result from the pressing operation detection unit that indicates which of the first main surface and the second main surface of the panel is receiving the pressing operation;
- and
- setting, by the control unit, a press detection threshold value of the electrostatic capacitance sensor and adjusting the press detection threshold value depending on whether the pressing operation detection unit determines that the first main surface or the second main surface of the panel is being operated to switch the driving mode.
A display device, comprising:
- a display unit;
- and
- an operation detection unit coupled to the display unit and including:
- a panel configured to receive a touch operation from a first main surface or a second main surface;
- a pressing operation detection unit configured to detect when a pressing operation is on the first main surface and when the pressing operation is on the second main surface of the panel;
- an electrostatic capacitance sensor configured to detect when the touch operation is on the first main surface and when the touch operation is on the second main surface of the panel;
- and
- a control unit configured to switch a driving mode of the electrostatic capacitance sensor based on whether the first main surface or the second main surface is receiving the pressing operation as determined based on a detection result from the pressing operation detection unit that indicates which of the first main surface and the second main surface of the panel is receiving the pressing operation,
- wherein the control unit is configured to set a press detection threshold value of the electrostatic capacitance sensor and to adjust the press detection threshold value depending on whether the pressing operation detection unit determines that the first main surface or the second main surface of the panel is being operated to switch the driving mode.
Dependencies are inferred from the claim text.