Digital video recorder
First Claim
Patent Images
1. A digital video recorder adapted to connect to multiple cameras and comprising:
- a casing;
multiple signal jacks attached to the casing and adapted to connect to the cameras to receive video signals from the cameras;
a circuit board mounted inside the casing and electrically connected to the signal jacks;
a power supply circuit mounted on the circuit board; and
multiple powerjacks attached to the casing, electrically connected to the power supply circuit on the circuit board and adapted to connect to the cameras to provide electrical power to the connected cameras.
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Abstract
A digital video recorder has a casing, multiple signal jacks, a circuit board, a power circuit and multiple power jacks. The signal jacks are attached to the casing. The circuit board is mounted inside the casing and is electrically connected to the signal jacks. The power supply circuit is mounted on the circuit board. The power jacks are attached to the casing and are electrically connected to the power supply circuit on the circuit board. Accordingly, the digital video recorder can supply electrical power to the cameras connected thereto so as to incur a low cost for setting a video system up.
14 Citations
2 Claims
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1. A digital video recorder adapted to connect to multiple cameras and comprising:
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a casing;
multiple signal jacks attached to the casing and adapted to connect to the cameras to receive video signals from the cameras;
a circuit board mounted inside the casing and electrically connected to the signal jacks;
a power supply circuit mounted on the circuit board; and
multiple powerjacks attached to the casing, electrically connected to the power supply circuit on the circuit board and adapted to connect to the cameras to provide electrical power to the connected cameras. - View Dependent Claims (2)
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Specification