Battery charger capable of notifying a user of a power connection state thereof
First Claim
1. A battery charger for charging a detachably attached battery pack by supplying an electric power from an external power source, the battery charger comprising:
- a notification unit for notifying a user of a charging operation by turning on or flickering a light-emitting member,wherein the notification unit is configured to notify the user of a power connection state of the battery charger by turning on or flickering the light-emitting member immediately after the battery charger is electrically connected to the external power source without attaching the battery pack thereto, and the notification unit turns off the light-emitting member after a predetermined period of time lapses and keeps the light-emitting member in an off-state until the battery pack is attached to the battery charger.
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Accused Products
Abstract
A battery charger for charging a detachably attached battery pack by supplying an electric power from an external power source, the battery charger includes a notification unit for notifying a user of a charging operation by turning on or flickering a light-emitting member. The notification unit notifies the user of a power connection state of the battery charger by turning on or flickering the light-emitting member immediately after the battery charger is electrically connected to the external power source without attaching the battery pack thereto, and the notification unit turns off the light-emitting member after a predetermined period of time lapses and keeps the light-emitting member in an off-state until the battery pack is attached to the battery charger.
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Citations
15 Claims
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1. A battery charger for charging a detachably attached battery pack by supplying an electric power from an external power source, the battery charger comprising:
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a notification unit for notifying a user of a charging operation by turning on or flickering a light-emitting member, wherein the notification unit is configured to notify the user of a power connection state of the battery charger by turning on or flickering the light-emitting member immediately after the battery charger is electrically connected to the external power source without attaching the battery pack thereto, and the notification unit turns off the light-emitting member after a predetermined period of time lapses and keeps the light-emitting member in an off-state until the battery pack is attached to the battery charger. - View Dependent Claims (2, 5, 6, 8, 9, 10, 11)
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3. A battery charger for charging a detachably attached battery pack by supplying an electric power from an external power source, the battery charger comprising:
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a notification unit for notifying a user of a charging operation by turning on or flickering a light-emitting member, wherein the notification unit is configured to notify the user of a power connection state of the battery charger by turning on or flickering the light-emitting member immediately after the battery charger is electrically connected to the external power source without attaching the battery pack thereto, and the notification unit turns off the light-emitting member after a predetermined period of time lapses and keeps the light-emitting member in an off-state until the battery pack is attached to the battery charger, wherein the notification unit includes a sound output unit outputting a sound to the outside, and wherein the sound output unit notifies the user of the power connection state of the battery charger by outputting a sound immediately after the battery charger is electrically connected to the external power source. - View Dependent Claims (7, 12, 13, 14, 15)
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4. A battery charger for charging a detachably attached battery pack by supplying an electric power from an external power source, the battery charger comprising:
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a notification unit for notifying a user of a charging operation by turning on or flickering a light-emitting member, wherein the notification unit is configured to notify the user of a power connection state of the battery charger by turning on or flickering the light-emitting member immediately after the battery charger is electrically connected to the external power source without attaching the battery pack thereto, and the notification unit turns off the light-emitting member after a predetermined period of time lapses and keeps the light-emitting member in an off-state until the battery pack is attached to the battery charger, and wherein a light brightness used in the turning-on or flickering of the light-emitting member performed immediately after the battery charger is electrically connected to the external power source is darker than a light brightness used in the turning-on or flickering of the light-emitting member performed to notify the user of the charging operation, wherein the notification unit includes a sound output unit for outputting a sound to the outside, and wherein the sound output unit notifies the user of the power connection state of the battery charger by outputting a sound immediately after the battery charger is electrically connected to the external power source.
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Specification