Intrabuilding wireless communication system
First Claim
1. An intrabuilding wireless multi-access communication system for use within a work space, comprising an omni-directional antenna system transmitting coded signals and supplying radiation substantially only within a first zone occupying only a portion of said work space, a second zone substantially free of radiation and occupying substantially the remainder of said work space, said first zone being positioned adjacent to an upper boundary of said work space, work stations within said second zone, each of said work stations having a subscriber antenna system connected thereto, each said subscriber antenna system having a subscriber antenna positioned within said first zone and oriented relative to said omni-directional antenna to receive signals from said omni-directional antenna and transmit signals to said omni-directional antenna.
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Accused Products
Abstract
An intrabuilding wireless communication system is disclosed wherein a work space is divided into a radiation zone seldom entered or occupied by workers and into which the signal carrying radiation is directed and contained i.e. the space adjacent to the ceiling and extending down about 1 meter and a substantially radiation free zone that is mormally occupied by workers. A master node antennae and each of the subscriber antennae (one for each work station in the work space) are located within the radiation space.
The master antennae will preferably be an omni-directional antennae formed by a pair of substantially mirror image frusta-conical disks, axially aligned along their conical axes and with their minimum radius end faces in spaced parallel facing relationship. An axially extending probe through one of the disks and terminating at one end as an antennae in a space between the minimum radius end faces and at its opposite end as another antennae in a waveguide delivering and conveying energy to and from the master antennae.
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Citations
8 Claims
- 1. An intrabuilding wireless multi-access communication system for use within a work space, comprising an omni-directional antenna system transmitting coded signals and supplying radiation substantially only within a first zone occupying only a portion of said work space, a second zone substantially free of radiation and occupying substantially the remainder of said work space, said first zone being positioned adjacent to an upper boundary of said work space, work stations within said second zone, each of said work stations having a subscriber antenna system connected thereto, each said subscriber antenna system having a subscriber antenna positioned within said first zone and oriented relative to said omni-directional antenna to receive signals from said omni-directional antenna and transmit signals to said omni-directional antenna.
Specification