DAVID BRADLEY JOHNSON
Pilots at Highlands Cir, Pompano Beach, FL
License number
Florida A4472153
Issued Date
Jun 2014
Expiration Date
Jun 2019
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
7732 Highlands Cir, Pompano Beach, FL 33063
Professional information
Communication System And Apparatus
US Patent:
5301353, Apr 5, 1994
Filed:
Jul 29, 1993
Appl. No.:
8/099269
Inventors:
Jaime A. Borras - Hialeah FL
David D. Johnson - Lighthouse Point FL
David D. Johnson - Lighthouse Point FL
Assignee:
Motorola, Inc. - Schaumburg IL
International Classification:
H04B 160, H04B 1702, G08B 2500
US Classification:
455 9
Abstract:
A communication device (16) comprises first and second transceivers and apparatus for determining when the communication device (16) is in an on-site area (11) and when the communication device (16) is in an off-site area. The first transceiver transmits and receives signals on a first communication medium (17), when the communication device (16) is in a first area (11); whereas, second transceiver transmits and receives signals on a second communication medium (28), when the communication device (16) is in a second area.