1. A wireless repeater configured to provide wireless communication service within a frequency range having an associated frequency channel profile comprising a plurality of selectable frequency bands, wherein each frequency band is available for use as a separate channel for wireless communication service, comprising:
a donor antenna for exchanging bidirectional communications with a base station antenna operating within the frequency range;
a server antenna for exchanging bidirectional communications with a wireless communication device operating within the frequency range;
a bidirectional amplifier for transmitting and amplifying communication signals between the server and donor antennas;
a user operable channel selection button operable for selecting an operational channel from the channel profile;
a memory for storing a display profile comprising a set of display indicators in which one of the display indicators corresponds to each channel in the channel profile;
a display for displaying the channel indicator associated with the operational channel in coordination with operation of the channel selection button;
an addressable controller for tuning the bidirectional amplifier to the channels within the channel profile in coordination with operation of the channel selection button;
a communication port for placing the controller in functional communication with an external programming device; and
wherein the controller is responsive to control commands addressed to the controller via the communication port to reconfigure the frequency channel profile.
2. The wireless repeater of claim 1, wherein the server antenna, the donor antenna and the bidirectional amplifier are housed in a portable enclosure with the server and donor antennas positioned back-to-back and the bidirectional amplifier located between the server and donor antennas.
3. The wireless repeater of claim 1, wherein each channel is defined by a center frequency and a bandwidth, and the frequency channel profile includes channels having at least two different bandwidths.
4. The wireless repeater of claim 1, wherein the controller is responsive to control commands addressed to the controller via the communication port to reconfigure the display profile.
5. The wireless repeater of claim 4, wherein each display indicator connotes the identity of an associated service provider that provides wireless communication service using the frequency band of the associated channel.
6. The wireless repeater of claim 1, wherein the communication port comprises a port configured to receive a computer cable.
7. The wireless repeater of claim 6, wherein the controller is configured to receive an IP address assignment that permits the controller to be functionally accessed as a node on a computer network.
8. The wireless repeater of claim 1, wherein the communication port comprises a wireless transmitterrepeater.
9. The wireless repeater of claim 8, wherein the wireless transmitterrepeater has a dedicated directory number, and the controller can be functionally accessed via a telephone device that has placed a telephone call to the dedicated directory number.
10. A wireless repeater configured to provide wireless communication service within a frequency range having an associated frequency channel profile comprising a plurality of selectable frequency bands, wherein each frequency band is available for use as a separate channel for wireless communication service, comprising:
a donor antenna for exchanging bidirectional communications with a base station antenna operating within the frequency range;
a server antenna for exchanging bidirectional communications with a wireless communication device operating within the frequency range;
a bidirectional amplifier for transmitting and amplifying communication signals between the server and donor antennas
a user operable channel selection button operable for selecting an operational channel from the channel profile;
a memory for storing a display profile comprising a set of display indicators in which one of the display indicators corresponds to each channel in the channel profile;
a display for displaying the channel indicator associated with the operational channel in coordination with operation of the channel selection button;
an addressable controller for tuning the bidirectional amplifier to the channels within the channel profile in coordination with operation of the channel selection button;
a communication port for placing the controller in functional communication with an external programming device; and
wherein the controller is responsive to control commands addressed to the controller via the communication port to reconfigure the display profile.
11. The wireless repeater of claim 11, wherein each display indicator connotes the identity of an associated service provider that provides wireless communication service using the frequency band of the associated channel.
12. The wireless repeater of claim 11, wherein the controller is responsive to control commands addressed to the controller via the communication port to reconfigure the channel profile.
13. The wireless repeater of claim 13, wherein the server antenna, donor antenna and the bidirectional amplifier are housed in a portable enclosure with the server and donor antennas positioned back-to-back and the bidirectional amplifier located between the server and donor antennas.
14. A wireless repeater configured to provide wireless communication service within a frequency range having an associated frequency channel profile comprising a plurality of selectable frequency bands, wherein each frequency band is available for use as a separate channel for wireless communication service, comprising:
a donor antenna for exchanging bidirectional communications with a base station antenna operating within the frequency range, a server antenna for exchanging bidirectional communications with a wireless communication device operating within the frequency range, and a bidirectional amplifier for transmitting and amplifying communication signals from the donor antenna to the server antenna in a downlink signal path, and from the server antenna to the donor antenna in an uplink signal path housed in a portable enclosure with the server and donor antennas positioned back-to-back and the bidirectional amplifier located between the server and donor antennas;
a user operable channel selection button operable for selecting an operational channel from the channel profile;
a memory for storing a display profile comprising a set of display indicators in which one of the display indicators corresponds to each channel in the channel profile;
a display for displaying the channel indicator associated with the operational channel in coordination with operation of the channel selection button;
an addressable controller for tuning the bidirectional amplifier to the channels within the channel profile in coordination with operation of the channel selection button;
a communication port for placing the controller in functional communication with an external programming device; and
wherein the controller is responsive to control commands addressed to the controller via the communication port to change operational settings of the bidirectional amplifier.
15. The wireless repeater of claim 14, wherein the operational settings that are controllable via the communication port include channel selection and power onoff.
16. The wireless repeater of claim 15, wherein:
the downlink signal path comprises a downlink amplifier circuit with an adjustable gain setting;
the uplink signal path comprises an uplink amplifier circuit with an adjustable gain setting; and
the operational settings that are controllable via the communication port include the gain setting of the uplink and downlink amplifier circuits.
17. The wireless repeater of claim 15, wherein:
the downlink signal path comprises a downlink feedback cancellation circuit with a phase shifter having an adjustable phase setting and an attenuator having an adjustable gain setting;
the uplink signal path comprises an uplink feedback cancellation circuit with a phase shifter having an adjustable phase setting and an attenuator having an adjustable gain setting; and
the operational settings that are controllable via the communication port include the phase and gain settings of the uplink and downlink feedback cancellation circuits.
18. The wireless repeater of claim 15, wherein:
the downlink signal path comprises a downlink amplifier circuit with an adjustable gain setting and a downlink feedback cancellation circuit with a phase shifter having an adjustable phase setting and an attenuator having an adjustable gain setting;
the uplink signal path comprises an uplink amplifier circuit with an adjustable gain setting and an uplink feedback cancellation circuit with a phase shifter having an adjustable phase setting and an attenuator having an adjustable gain setting; and
the operational settings that are controllable via the communication port include channel selection, power onoff, the gain settings of the uplink and downlink amplifier circuits, and
the phase and gain settings of the uplink and downlink feedback cancellation circuits.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A cleaning apparatus for a conveyor belt on a conveyor table comprised of:
a housing that extends under and across a portion of said conveyor belt normal to said conveyor belt direction of motion to provide a cleaning chamber;
at least one spraying tube with an array of orifices extending through an opening in a first side of said housing and extending over to a second side and in proximity to said conveyor belt to direct a cleaning solution onto said conveyor belt;
a wiping device in said housing having at least one disposable towel and extending across and normal to said conveyor belt direction for removal of said cleaning solution and any included contaminants by said disposable towel and said wiping device is a cylinder having an outer flexible sleeve and said disposable towel positioned between said flexible sleeve and said conveyor belt, whereby a static frictional force between said flexible sleeve and said disposable towel is greater than the sliding frictional force between said conveyor belt and said disposable towel when said conveyor belt is in motion.
2. The cleaning apparatus of claim 1, wherein said housing is made from a material selected from the group that includes plastics, metals, and composite materials.
3. The cleaning apparatus of claim 1, wherein said housing is mountable by brackets in said conveyor table using fasteners selected from the group that includes screws, clamps, bolts, and other types of fasteners.
4. The cleaning apparatus of claim 1, wherein said spraying tube is closed at one end, and said tube is composed of material sufficiently rigid to support said cleaning solution under pressure, and said tube extends through a grommet in said first opening and held in place with a mounting nut and said closed end of tube is supported in said second side by a recess in said housing.
5. The cleaning apparatus of claim 1, wherein said cylinder having said outer flexible sleeve is raised by a mechanical, electrical or hydraulic means.
6. The cleaning apparatus of claim 1, wherein said cylinder is coupled to said conveyor belt to rotate at an angular speed to provide a wiping action when said conveyor belt is in motion.
7. The cleaning apparatus of claim 1, wherein the perimeter of said cylinder rotates through a total distance of about the length of said disposable towel when said conveyor belt completes one cycle of rotation on said conveyor table.
8. The cleaning apparatus of claim 1, wherein said spray tube is pressurized selected from a group of means that includes a hand pump, hydraulic device, and an electrical device.
9. The cleaning apparatus of claim 1, wherein said wiping devices is lowered and raised by a means selected from a group that includes manual, hydraulic, and electrical means.
10. A method of cleaning a conveyor belt on a conveyor table comprising the steps of:
providing a housing that extends under and across a portion of said conveyor belt normal to said conveyor belt direction of motion for a cleaning chamber;
using at least one spraying tube with an array of orifices extending through an opening in a first side of said housing and extending under to a second side and in proximity to said conveyor belt and directing a cleaning solution onto said conveyor belt;
using a wiping device in said housing having at least one disposable wiping element and extending across and normal to said conveyor belt direction and removing said cleaning solution and any included contaminants by wiping with said disposable wiping element, wherein said wiping device is a rigid cylinder having an outer flexible sleeve and said rigid cylinder is lowered and raised onto said conveyor belt using a lifting mechanism, and includes said disposable wiping element placed between said flexible sleeve and said conveyor belt.
11. The cleaning method of claim 10, wherein said housing is made from a material selected from the group of materials that includes plastics, metals, and composite materials.
12. The cleaning method of claim 10, wherein said housing is mountable in said conveyor table using brackets and fasteners selected from the group that includes screws, clamps, bolts, and other type fasteners.
13. The cleaning method of claim 10, wherein said spraying tube is closed at one end, and said tube is composed of material sufficiently rigid to support said cleaning solution under pressure, and said tube extends through a grommet in said first opening and is held in place with a mounting nut and said closed end of said tube is supported in said second side by a recess in said housing.
14. The cleaning method of claim 10, wherein, said disposable wiping element between said flexible sleeve and said conveyor belt is selected from the group that includes a disposable paper towel and a wet wipe soaked in an antibacterial solution.
15. The cleaning method of claim 10, wherein said rigid cylinder is coupled to said conveyor belt to rotate at an angular speed to provide a wiping action when said conveyor belt is in motion.
16. The cleaning method of claim 10, wherein said rigid cylinder is coupled to said conveyor belt to rotate through an angle that allows the perimeter of said wiping element to provide a wiping action over the total surface of said wiping element when said conveyor belt completes one cycle of rotation.
17. The cleaning method of claim 10, wherein said wiping element is a disposable towel and the perimeter of said rigid cylinder rotates through a total distance of about the length of said disposable towel when said conveyor belt completes one cycle of rotation on said conveyor table.
18. The cleaning method of claim 10, wherein said spray tube is pressurized using a device selected from a group that includes a manual device, a hydraulic device, and an electrical device.
19. The cleaning method of claim 10, wherein said wiping device that is lowered and raised uses a device selected from a group of devices that includes a manual device, a hydraulic device and an electrical device.
20. A cleaning apparatus for a conveyor belt on a conveyor table comprised of:
a housing that extends under and across a portion of said conveyor belt normal to said conveyor belt direction of motion to provide a cleaning chamber;
a wiping device in said housing having at least one disposable wet wipe and extending across and normal to said conveyor belt direction for removal of any contaminants from said conveyor belt, said wiping device is a cylinder having an outer flexible sleeve and said wet wipe is positioned between said flexible sleeve and said conveyor belt, wherein a static frictional force between said flexible sleeve and said wet wipe is greater than the sliding frictional force between said conveyor belt and said wet wipe when said conveyor belt is in motion.