Controller and vibration feedback device
AssigneeMitsumi Electric Co., Ltd.
InventorMamoru Kojima
Life of this patent
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Abstract
A controller includes a press detection circuit that suppresses an output of a first press detection signal while receiving a first drive period signal indicating a drive period of an actuator, and includes a drive signal generation circuit that generates a first drive signal to drive the actuator based on a drive startup signal that is externally received in response to the first press detection signal being externally output, generates a second drive signal to drive the actuator based on the first detection signal that is output from a sensor in response to vibration of an operation device caused by the first drive signal, and outputs the first drive period signal during a period in which the actuator is driven by the first drive signal and the second drive signal.
Claims6
A controller for controlling an actuator that applies vibration to an operation device based on operation of the operation device, comprising:
- a press detection circuit configured to
- receive a first detection signal from a sensor that detects displacement of the operation device caused by pressing, a press-and-hold operation, or vibration of the operation device,
- activate a first press detection signal based on the first detection signal upon detection of the pressing of the operation device,
- externally output the activated first press detection signal, and
- maintain the first press detection signal in an active state regardless of a level of the first detection signal while receiving, from a drive signal generation circuit, an active first drive period signal indicating a drive period of the actuator;
- and
- the drive signal generation circuit configured to
- generate a first drive signal to drive the actuator based on a drive startup signal that is externally received in response to the first press detection signal being externally output,
- generate a second drive signal to drive the actuator based on the first detection signal that is output from the sensor in response to the vibration of the operation device caused by the first drive signal, and
- output the first drive period signal to the press detection circuit during a period in which the actuator is driven by the first drive signal and the second drive signal.
A vibration feedback device comprising:
- an operation device;
- an actuator configured to apply vibration to the operation device based on operation of the operation device;
- and
- a controller configured to control the actuator and including:
- a press detection circuit configured to
- receive a first detection signal from a sensor that detects displacement of the operation device caused by pressing, a press-and-hold operation, or vibration of the operation device,
- activate a first press detection signal based on the first detection signal upon detection of the pressing of the operation device,
- externally output the activated first press detection signal, and
- maintain the first press detection signal in an active state regarding of a level of the first detection signal while receiving, from a drive signal generation circuit, an active first drive period signal indicating a drive period of the actuator;
- and
- the drive signal generation circuit configured to
- generate a first drive signal to drive the actuator based on a drive startup signal that is externally received in response to the first press detection signal being externally output,
- generate a second drive signal to drive the actuator based on the first detection signal that is output from the sensor in response to the vibration of the operation device caused by the first drive signal, and
- output the first drive period signal to the press detection circuit during a period in which the actuator is driven by the first drive signal and the second drive signal.
Dependencies are inferred from the claim text.