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Portable radiotelephone and holder for mounting within a vehicle
Therefore, the present invention is made in view of the afore-mentioned disadvantages and an object of the present invention is to provide an improved message ...
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Small, battery operated RF transmitter for portable audio devices for use with headphones with RF receiver
OF THE PREFERRED EMBODIMENT Referring to FIG. 1, there is shown a diagram of a system within the genus of the invention. A battery operated audio source 10, typically a ...
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Mobile telephone capable of automatically rebuilding menu tree and method for controlling the same
It is therefore an object of the present invention to provide a mobile telephone which automatically sets a most frequently used child menu so that a user may quickly ...
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Time division protocol for an ad-hoc, peer-to-peer radio network having coordinating channel access to shared parallel data channels with separate reservation channel
OF THE INVENTION For purposes of a better understanding of the description, the following definitions and abbreviations are hereby given: DEFINITIONS "Service Area of a ...
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Aircraft workstation which is convertible between a flight attendant's seat and a computer terminal
The present invention pertains to a multi-function workstation for an aircraft cabin. The workstation includes a frame which forms an enclosure. Attached to the frame is ...
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Telephone dispenser with compact cord guide
Accordingly, it is an object of the present invention to provide a telephone handset that functions in an aircraft or similar environment without significant signal ...
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Power limiting circuit for radio communication device with a retractable antenna
The present invention relates to power control for a radio communication device having a retractable antenna. The radio communication device includes a transmitter, a ...
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User interface for a radio telephone
In accordance with the present invention there is provided a radiophone comprising a user interface and a control unit connected to the user interface, said user ...
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Double-balanced mixer
What is claimed is: 1. A double-balanced mixer comprising: a diode ring with first symmetric inputs (1,3) and second symmetric inputs (2,4), respective balancing circuit ...
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Method and apparatus for filtering engine exhaust
The present invention is directed to a filtering apparatus, and in particular to a filtering apparatus for removing soot from engine exhaust. The present invention is ...
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