External accessory to be attached to electronic apparatus and system

External accessory to be attached to electronic apparatus and system

An external accessory that can be attached to and detached from an electronic apparatus equipped with a power source unit includes: a first power receiving unit that receives power from the power source unit of the electronic apparatus; a second power receiving unit that receives power from the powe...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Higaki, Riichi, Kawamura, Koichiro
Format: Patent
Sprache:eng
Schlagworte:
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
CALCULATING
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
COMPUTING
COUNTING
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
ELECTRIC DIGITAL DATA PROCESSING
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
MEASURING
PHYSICS
PRINTED CIRCUITS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
TESTING
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Beschreibung
Zusammenfassung:An external accessory that can be attached to and detached from an electronic apparatus equipped with a power source unit includes: a first power receiving unit that receives power from the power source unit of the electronic apparatus; a second power receiving unit that receives power from the power source unit of the electronic apparatus; a decision-making unit that makes a decision as to whether or not the first power receiving unit is receiving power; a function execution unit that executes a predetermined function by using power received at one of the first power receiving unit and the second power receiving unit; and a control unit that engages the function execution unit in operation continuously when an affirmative decision is made by the decision-making unit, and engages the function execution unit in operation intermittently when a negative decision is made by the decision-making unit.