Portable device
First Claim
1. A portable device for performing wireless communication with a controller, which controls a predetermined controlled subject, and remotely controlling the controller, the portable device comprising:
- a receiver for receiving a transmission signal from the controller, the receiver having an adjustable signal receiving sensitivity; and
a control unit, connected to the receiver, for lowering or raising the signal receiving sensitivity of the receiver by a predetermined level.
1 Assignment
0 Petitions
Accused Products
Abstract
A portable device for facilitating adjustment of the area in which communication with a controller is enabled. The portable device performs wireless communication with an in-vehicle device, which controls a door lock driver or an engine starter of a vehicle, to remotely control the in-vehicle device. The portable device includes a receiver for receiving a request signal from the in-vehicle device and a control unit for lowering or raising the signal receiving sensitivity of the receiver by predetermined levels to adjust the signal receiving sensitivity.
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Citations
18 Claims
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1. A portable device for performing wireless communication with a controller, which controls a predetermined controlled subject, and remotely controlling the controller, the portable device comprising:
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a receiver for receiving a transmission signal from the controller, the receiver having an adjustable signal receiving sensitivity; and
a control unit, connected to the receiver, for lowering or raising the signal receiving sensitivity of the receiver by a predetermined level. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A remote control system comprising:
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a controller for controlling a predetermined controlled subject;
a portable device for performing wireless communication with the controller and remotely controlling the controller, the portable device including;
a receiving means for receiving a transmission signal from the controller, the receiving means having an adjustable signal receiving sensitivity; and
a sensitivity adjustment means, connected to the receiving means, for lowering or raising the signal receiving sensitivity of the receiving means by a predetermined level. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification