1. A system for the collection of fluid leaks from a dialysis machine or station for accepting fluid from humans and conveying fluid to humans having a bottom base with wheels which comprises:
a. a bottom liquid collector having a bottom, sides for keeping the liquid in the collector and two ends for placing below a dialysis machine which collects fluid leaking into the collector, with a bottom that slopes downward towards one end for keeping the liquid in the collector, with the other end of the bottom being of a sufficient height to keep the liquid in the collector, said other end of the collector having a ramp which slopes from the bottom of the bottom collector to the floor of the room in which the dialysis machine is placed for allowing the dialysis machine to be rolled on its wheels from the floor of the room to the bottom of the bottom liquid collector and back to the floor of the room.
2. A system for the collection of fluid leaks from fluid lines connected to a dialysis machine or station for accepting fluid from humans and conveying fluid to humans, with the machine having a plurality of fluid lines for conveying fluid to and from the machine and a wall section or box in the wall or a room or a plumbing cabinet which is adjacent to a wall which comprises:
a. fluid lines extending into the wall section or box in the wall or plumbing cabinet and connected to plumbing lines that extend into the wall section for supplying liquid to or from the fluid lines, with each fluid line connected to a liquid chamber or line within the dialysis machine, with each fluid line having fittings or valves within the wall section, with the wall section having a liquid collector to collect liquid leaking from the fittings and fluid lines adjacent to the fittings and a liquid collector for collecting liquid leaking from the valves and fluid lines adjacent the valves, with each collector either holding the fluid or connecting a sewer pipe for disposing of the liquid.
3. A system for the collection of fluid leaks from a dialysis machine or station for accepting fluid from humans and conveying fluid to humans having a bottom base with wheels which comprises:
a. a bottom liquid collector having a bottom, sides for keeping the liquid in the collector and two ends for placing below a dialysis machine which collects fluid leaking into the collector, with a bottom that slopes downward towards one end for keeping the liquid in the collector, with the other end of the bottom being of a sufficient height to keep the liquid in the collector, said other end of the collector having a ramp which slopes from the bottom of the bottom collector to the floor of the room in which the dialysis machine is placed for allowing the dialysis machine to be rolled on its wheels from the floor of the room to the bottom of the bottom liquid collector and back to the floor of the room; and
b. with the dialysis machine having a plurality of fluid lines for conveying fluid to and from the machine and a wall section or box in the wall or a room or a plumbing cabinet which are connected to plumbing lines that extend into the wall section for supplying liquid to or from the fluid lines, with each fluid line connected to a liquid chamber or line within the dialysis machine, with each fluid line having fittings or valves within the wall section, with the wall section having a liquid collector to collect liquid leaking from the fittings and fluid lines adjacent to the fittings and a liquid collector for collecting liquid leaking from the valves and fluid lines adjacent the valves, with each collector either holding the fluid or connecting a sewer pipe for disposing of the liquid.
4. A dialysis machine or station for accepting fluid from humans and conveying fluid to humans having a bottom which comprises:
a. a system within the dialysis machine for the collection of fluid leaks within the dialysis machine or station which has a bottom liquid collector having a bottom and two sides and two ends having sufficient height for keeping the liquid in the collector which collects fluid leaking into the collector, with the dialysis machine having wheels placed on the bottom of the machine for allowing the dialysis machine to be rolled on its wheels along the floor of the room, with the dialysis machine having means for removing the fluid from the bottom collector.
5. The dialysis machine of claim 4 in which the means for removing fluid from the bottom collector is a drain in which the bottom slopes towards the drain and a moisture detector which senses the level of fluid in the collector and has an alarm to alert the operator of the level of the fluid in the collector.
6. The dialysis machine of claim 5 which also has a plurality of fluid lines for conveying fluid to and from the machine and a wall section or box in the wall or a room or a plumbing cabinet which are connected to plumbing lines that extend into the wall section for supplying liquid to or from the fluid lines, with each fluid line connected to a liquid chamber or line within the dialysis machine, with each fluid line having fittings or valves within the wall section, with the wall section having a liquid collector to collect liquid leaking from the fittings and fluid lines adjacent to the fittings and a liquid collector for collecting liquid leaking from the valves and fluid lines adjacent the valves, with each collector either holding the fluid or connecting a sewer pipe for disposing of the liquid.
7. The system of claim 3 which also has a moisture detector in the bottom liquid collector (a) which senses the level of fluid in the collector and an alarm to alert the operator of the level of the fluid in the collector.
8. The system of claim 3 in which the bottom of the bottom liquid collector(a) has drain for draining fluid and the bottom is designed to slope towards the drain.
9. The system of claim 8 which also has a moisture detector in the bottom liquid collector (a) which senses the level of fluid in the collector and an alarm to alert the operator of the level of the fluid in the collector.
10. The system of claim 1 which also has a moisture detector which senses the level of fluid in the collector and an alarm to alert the operator of the level of the fluid in the collector.
11. The system of claim 1 which has a dam, similar to a speed bump, for preventing fluid from flowing from the bottom collector down the ramp, but permitting the dialysis machine to be rolled into and out of the bottom collector.
12. The system of claim 3 which has a dam, similar to a speed bump, for preventing fluid from flowing from the bottom collector(a) down the ramp, but permitting the dialysis machine to be rolled into and out of the bottom collector of claim 1 which has a water alarm to prevent the floor catch basin from overflowing.
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 receiver system comprising:
a plurality of antennas comprising
a first antenna configured to receive a first signal; and
a second antenna configured to receive a second signal; and
a signal processing circuit comprising
a first resonant loop mounted to receive the first signal from the first antenna; and
a second resonant loop mounted to receive the second signal from the second antenna, wherein the first resonant loop and the second resonant loop are coupled to generate a first output signal and a second output signal that are a function of the first signal and the second signal, and
further wherein a first phase difference between the first output signal and the second output signal is greater than a second phase difference between the first signal and the second signal.
2. The receiver system of claim 1, wherein the first resonant loop and the second resonant loop are coupled by a capacitor mounted in parallel with the first resonant loop and the second resonant loop.
3. The receiver system of claim 2, wherein the capacitor is a varactor.
4. The receiver system of claim 3, wherein adjustment of a capacitance of the varactor changes a response of the first phase difference as a function of an angle of incidence of a source of the first signal relative to a boresight of the plurality of antennas.
5. The receiver system of claim 4, wherein the source of the first signal is the same as a second source of the second signal.
6. The receiver system of claim 2, wherein the capacitor generates a third output signal.
7. The receiver system of claim 1, wherein the first resonant loop comprises a first resistor, a first inductor, and a first capacitor connected in series.
8. The receiver system of claim 7, wherein the first resistor includes a radiation resistance of the first antenna.
9. The receiver system of claim 7, wherein the first resistor includes a resistance of a transmission line connecting the first antenna with the signal processing circuit.
10. The receiver system of claim 7, wherein the first capacitor is a reactive part of an input impedance of the first antenna.
11. The receiver system of claim 7, wherein the second resonant loop comprises a second resistor, a second inductor, and a second capacitor connected in series.
12. The receiver system of claim 11, wherein the first inductor and the second inductor have approximately the same value of inductance.
13. The receiver system of claim 1, wherein the first resonant loop comprises a resistor, an inductor, and a capacitor connected in parallel.
14. The receiver system of claim 1, further comprising a phase shifter electrically connected to receive the second signal from the second antenna to form a phase-shifted second signal, wherein the second resonant loop receives the phase-shifted second signal.
15. The receiver system of claim 14, wherein the first resonant loop and the second resonant loop are coupled by a capacitor mounted in parallel with the first resonant loop and the second resonant loop to generate a third output signal.
16. The receiver system of claim 15, wherein the plurality of antennas further comprise a third antenna configured to receive a third signal, and the signal processing circuit further comprises:
a third resonant loop mounted to receive the second signal from the second antenna and to generate a fourth output signal;
a fourth resonant loop mounted to receive the third signal from the third antenna and to generate a fifth output signal; and
a second capacitor mounted in parallel with the third resonant loop and the fourth resonant loop to generate a sixth output signal.
17. The receiver system of claim 16, further comprising:
a first amplitude detector configured to receive the first output signal;
a second amplitude detector configured to receive the third output signal;
a first comparator configured to receive the amplitude detected first output signal and the amplitude detected third output signal;
a third amplitude detector configured to receive the fourth output signal;
a fourth amplitude detector configured to receive the sixth output signal; and
a second comparator configured to receive the amplitude detected fourth output signal and the amplitude detected sixth output signal.
18. The receiver system of claim 15, further comprising:
a first amplitude detector configured to receive the first output signal;
a second amplitude detector configured to receive the third output signal; and
a comparator configured to receive the amplitude detected first output signal and the amplitude detected third output signal.
19. The receiver system of claim 1, wherein the plurality of antennas further comprise a third antenna configured to receive a third signal, and the signal processing circuit further comprises:
a third resonant loop mounted to receive the second signal from the second antenna and to generate a third output signal; and
a fourth resonant loop mounted to receive the third signal from the third antenna and to generate a fourth output signal,
wherein the third resonant loop and the fourth resonant loop are coupled, and further wherein a third phase difference between the third output signal and the fourth output signal is greater than a fourth phase difference between the second signal and the third signal.
20. The receiver system of claim 1, wherein a spacing between the first antenna and the second antenna is less than or equal to \u03bb0\u03c0, where \u03bb0=cf0, where c is the speed of light and f0 is a carrier frequency of the first signal.