Display apparatus, control method for display apparatus, and program
AssigneeSeiko Epson Corporation
InventorShinichi KOBAYASHI
Life of this patent
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Abstract
A display apparatus includes an image display unit that enables a user to visually recognize an image and transmits external scenery therethrough, a first battery, a second battery, a communication unit, and a control unit that switches a power source between the first battery and the second battery. The control unit causes an operation mode of the display apparatus to transition from a normal operation mode to a battery replacement mode in which power consumption of the image display unit and the communication unit is lower than that in the normal operation mode in a case where the power source is changed from the first battery to the second battery. The communication unit is maintained in a communicable state in the battery replacement mode.
Claims30
A display apparatus comprising:
- a display unit that enables a user to visually recognize an image and transmits external scenery therethrough;
- a first battery and a second battery;
- a communication unit;
- and
- a control unit that controls the display unit and the communication unit,
- wherein the control unit can switch an operation mode of the display apparatus between a normal operation mode and a battery replacement mode for replacing at least one of the first battery and the second battery, and maintains the communication unit in a communicable state by using one of the first and second batteries as a power source in the battery replacement mode.
A control method for a display apparatus including a display unit that enables a user to visually recognize an image and transmits external scenery therethrough, and a communication unit, the method comprising:
- causing an operation mode of the display apparatus to transition from a normal operation mode to a battery replacement mode in which power consumption of the display unit and the communication unit is lower than power consumption in the normal operation mode in a case where a power source of the display apparatus is changed from a first battery to a second battery;
- and
- maintaining the communication unit in a communicable state in the battery replacement mode.
A control method for a display apparatus including a display unit that enables a user to visually recognize an image and transmits external scenery therethrough, a first battery, and a second battery, the method comprising:
- switching the operation mode of the display apparatus from a normal operation mode in which power is supplied from the first battery to a battery replacement mode in which power is supplied from the second battery;
- and
- charging the second battery with power of the first battery after switching the operation mode from the battery replacement mode to the normal operation mode.
A program which can be executed by a computer controlling a display apparatus including a display unit that enables a user to visually recognize an image and transmits external scenery therethrough, a first battery, and a second battery, the program causing the computer to function as a control unit that:
- switches an operation mode of the display apparatus from a normal operation mode in which power is supplied from the first battery to a battery replacement mode in which power is supplied from the second battery;
- and
- charges the second battery with power of the first battery after switching the operation mode from the battery replacement mode to the normal operation mode.
Dependencies are inferred from the claim text.