Telecommunications – Transmitter – Angle modulation
Patent
1995-12-01
1999-03-09
Cuchlinski, Jr., William A.
Telecommunications
Transmitter
Angle modulation
455 371, 4551881, 455454, 455552, 455556, H04B 104
Patent
active
058813721
ABSTRACT:
A radio communication device, suitable for use in a portable computer, is capable of operating at any one of a set of common frequencies which are legally permissible in all countries (or a set of countries) and at any frequency on which it detects that a transmission of its own type is being used for a transmission from another device. Thus, users can legally operate the device in different countries, while manufacturers can obtain certification for use in those countries. If the user attempts to select a frequency which is not one of the common frequencies nor detected by transmission, an indication that such frequency is not available is provided to the user.
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Arthur Gertrude
Cuchlinski Jr. William A.
Lucent Technologies - Inc.
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