Video camera with built-in secondary battery

A video camera comprises a built-in secondary battery, a terminal used for connection with an external power source, and a main switch for controlling the supply of electric power to a circuit part provided for a control system and a signal processing system. The video camera is arranged such that t...

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Bibliographic Details
Main Author KAWAMURA; MASAHARU
Format Patent
LanguageEnglish
Published 21.07.1998
Edition6
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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Summary:A video camera comprises a built-in secondary battery, a terminal used for connection with an external power source, and a main switch for controlling the supply of electric power to a circuit part provided for a control system and a signal processing system. The video camera is arranged such that the circuit part is connected to the built-in secondary battery or to the external power source when the main switch is closed and that the built-in secondary battery can be connected to the external power source when the main switch is open.
Bibliography:Application Number: US19970811298