All The Claims

1. A system for facilitating property sales comprising: at least one website, at least one device to interact with said at least one website, at least two users of said system; and at least one listed piece of property for transfer from one party to another, wherein said at least one listed piece of property is transferred between said at least two users of said system while preserving a predetermined, stated value of said property and said property is transferred between said at least two users of said system substantially free and clear of any debt.
2. The system of claim 1 wherein said at least one listed piece of property comprises a parcel of real property.
3. The system of claim 1 wherein said at least one listed piece of property comprises a piece of intellectual property.
4. The system of claim 1 wherein said at least one device to interact with said at least one website comprises a personal digital assistant (PDA).
5. The system of claim 1 wherein said at least one device to interact with said at least one website comprises a computer.
6. The system of claim 1 wherein said at least one device to interact with said at least one website comprises a mobile phone equipped with applications designed to interact with said at least one website.
7. The system of claim 1 wherein said at least two users of said system comprise at least one seller of property.
8. The system of claim 1 wherein said at least two users of said system comprises at least one potential recipient of property.
9. The system of claim 1 wherein said at least two users of said system comprises at least one listing agent of property.
10. The system of claim 8 wherein said at least two users of said system further comprises at least one donor of money, who contributes said money to a fund towards the purchase of said at least one listed piece of property, said individual being given a corresponding right to vote for which said at least one potential recipient of property should received said property.
11. The system of claim 10 wherein said at least one donor of money further comprising an individual who is not eligible to be said at least one potential recipient of said property.
12. The system of claim 1 wherein said predetermined, stated value of said property comprises the purchase price of a piece of real property determined by a user who owns said property, notwithstanding the economically-determined fair market value of said property.
13. A system for selling and gifting of property comprising: at least one website, at least one device to interact with said at least one website, at least two users of said system; and at least one listed piece of property for transfer from one party to another, wherein said at least one listed piece of property is transferred between said at least two users of said system and wherein said property is transferred as determined by voting.
14. The system of claim 13 wherein said at least one listed piece of property comprises at least two residential homes of substantially similar market value.
15. The system of claim 13 wherein said at least two users of a system comprises at least one potential recipient of property and a donor of money, who donates said money towards the purchase of said property.
16. The system of claim 15 wherein said at least one potential recipient of property selects a property to become eligible to receive and then campaigns for donations and corresponding votes to raise the purchase price of the property.
17. The system of claim 15 wherein said donor of money, who donates said money towards the purchase of said property contributes money into a fund that is designated to be applied to the property with the most votes gained by said potential recipient of property.
18. A method of transferring property from one party to another party, comprising the steps of:
Providing at least one interactive website;
Listing at least one piece of property for transfer on said interactive website;
Providing at least one party eligible to receive said property; and
Providing at least one party to donate money for purchase of said property
Wherein said at least one party eligible to receive said property becomes eligible to receive said property when said donated money for purchase of said property has reached a pre-determined amount to substantially satisfy the purchase price of said property.
19. The method of claim 18 wherein said at least one party eligible to receive said property comprises at least three parties eligible to receive said property.
20. The method of claim 18 wherein providing at least one interactive website comprises providing an interactive website through which all transactions of the property transfer can be substantially completed.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. A method, comprising:
defining a packet size and each of a plurality of positions within a packet; and
re-ordering each of a plurality of instructions to match a definition of a particular one of the plurality of positions within the packet,
wherein the plurality of positions corresponds to a plurality of cache positions of a cache line within an instruction cache.
2. The method of claim 1, wherein the definition of each of the plurality of positions defines types of the plurality of instructions that the position supports.
3. The method of claim 2, further comprising correlating each of the plurality of positions with a subset of a plurality of execution units of a processor.
4. The method of claim 3, further comprising steering a particular one of the plurality of instructions that matches the types of the plurality of instructions supported by a particular one of the plurality of positions to a particular one of the subset of the plurality of execution units that correlate to the particular one of the plurality of positions and can execute the particular one of the plurality of instructions.
5. The method of claim 1, further comprising recording an order of the plurality of instructions prior to re-ordering the plurality of instructions.
6. The method of claim 1, wherein the packet size equals a degree of superscalar dispatch.
7. The method of claim 2, wherein re-ordering each of the plurality of instructions includes closing the packet if the definition for none of the plurality of positions that are available supports a type of a particular one of the plurality of instructions.
8. The method of claim 3, wherein correlating each of the plurality of positions with the subset of the plurality of execution units allows a crossbar to have only dispatch paths from a particular one of the plurality of cache positions within the cache line to the subset of the plurality of execution units that correlate to the particular one of the plurality of cache positions.
9. The method of claim 1, wherein correlating each of the plurality of cache positions to the subset of the plurality of execution units allows a number of write ports within a particular one of the subset of the plurality of execution units to equal a number of dispatch paths to the particular one of the subset of the plurality of execution units from that position.
10. The method of claim 1, further comprising loading a particular one of the plurality of cache positions of the cache line with a corresponding one of the plurality of positions of the packet.
11. A processor, comprising:
a packet builder to re-order each of a plurality of instructions to match a definition of a particular one of a plurality of positions within a packet,
wherein the plurality of positions corresponds to a plurality of cache positions of a cache line within an instruction cache coupled to the packet builder.
12. The processor of claim 11, wherein the definition of each of the plurality of positions defines types of the plurality of instructions that the position supports.
13. The processor of claim 12, wherein each of the plurality of positions correlate to a subset of a plurality of execution units of a processor.
14. The processor of claim 13, further comprising a crossbar, coupled to the instruction cache, that steers a particular one of the plurality of instructions that matches the types of the plurality of instructions supported by a particular one of the plurality of positions to a particular one of the subset of the plurality of execution units that correlate to the particular one of the plurality of positions and can execute the particular one of the plurality of instructions.
15. The processor of claim 11, wherein the packet builder records an order of the plurality of instructions prior to re-ordering the plurality of instructions.
16. The processor of claim 11, wherein the packet size equals a degree of superscalar dispatch.
17. The processor of claim 12, wherein the packet builder re-ordering each of the plurality of instructions includes closing the packet if the definition for none of the plurality of positions that are available supports a type of a particular one of the plurality of instructions.
18. The processor of claim 14, wherein the crossbar has only dispatch paths from a particular one of the plurality of cache positions within the cache line to the subset of the plurality of execution units that correlate to the particular one of the plurality of cache positions.
19. The processor of claim 11, wherein a number of write ports within a particular one of the subset of the plurality of execution units equals a number of dispatch paths from the plurality of cache positions to the particular one of the subset of the plurality of execution units.
20. The processor of claim 11, wherein the packet builder loads a particular one of the plurality of cache positions of the cache line with a corresponding one of the plurality of positions of the packet.
21. A method, comprising:
decoding a plurality of instructions;
defining a packet size and each of a plurality of positions within a packet; and
re-ordering each of the plurality of instructions to match the definition of a particular one of the plurality of positions within the packet,
wherein the plurality of positions corresponds to a plurality of cache positions of a cache line within an instruction cache.
22. The method of claim 21, wherein the definition of each of the plurality of positions defines types of the plurality of instructions that the position supports.
23. The method of claim 22, further comprising correlating each of the plurality of positions with a subset of a plurality of execution units of a processor.
24. The method of claim 21, wherein the packet size equals a degree of superscalar dispatch.
25. The method of claim 22, wherein re-ordering each of the plurality of instructions includes closing the packet if the definition for none of the plurality of positions that are available supports a type of a particular one of the plurality of instructions.

1. A droplet generator for microdroplets, in particular nozzle head for inkjet printers, comprising
groups of piezo electrically actuated bending converters (1) disposed in a casing (11), wherein the bending converters (1) are disposed at a distance from each other, over a partial length of the bending converters are guided separately in recesses by wall thicknesses, wherein liquid longitudinal channels (12) are disposed under flexible fingers (5) in a frame plate (2) and running in longitudinal direction and wherein a liquid chamber (13) is formed in the frame plate (2), wherein at least one nozzle is connected to the liquid chamber (13) for each bending converter (1), wherein an edge bead (15) runs around an opening (14) of the liquid chamber (13), wherein the edge bead (15) serves to limit a stroke of a respective one of the flexible fingers (5), and wherein a shaft (16) forming part of the liquid chamber 13) follows to the opening (14) and reaches in height level up to a base plate (1a).
2. The droplet generator according to claim 1, wherein a common liquid inlet (17) is disposed in the casing (11) above the flexible fingers (5).
3. The droplet generator according to claim 1 wherein the liquid longitudinal channels (12) under the flexible fingers (5) are connected to a fluid feed line (18) running cross to the flexible fingers (5) in a region disposed away from the nozzles (7).
4. The droplet generator according to claim 1 wherein the liquid chamber (13) is continued in the frame plate (2) below the edge bead (15) with a width (14a) of the opening (14) and wherein the liquid chamber (13) extends at a right angle up to the opening (19) of the nozzle (7).
5. The droplet generator according to claim 1 wherein each nozzle (7) is disposed in a nozzle plate (20) placed onto the casing (11) andor the frame plate (2) andor the base plate (1a).
6. The droplet generator according to claim 1 wherein the nozzle plate (20) is disposed at a bottom side of a base plate (1a) while the nozzles (7) are running perpendicular through the base plate (1a).
7. The droplet generator according to claim 1, wherein a separating web (21) runs in the frame plate (2) at the edge bead (15).
8. The droplet generator according to claim 7 wherein the separating web (21) is connected between two side-by-side running edge beads (15).
9. The droplet generator according to claim 1 comprising a protruding roll off face (22) that is furnished in the middle between two neighboring separating webs (21), which roll off face (22) is reaching between the separating webs (21) and which roll off face (22) disposed oppositely directed relative to the separating webs (21).
10. The droplet generator according to claim 1, wherein a saw slot (23a) is worked in between two flexible fingers (5) formed during production by a saw cut (23), wherein the width of the saw slot (23a) corresponds to the thickness of the chamber’s intermediate wall (8) or to the thickness of a separating web (21).
11. A droplet generator for microdroplets comprising
a casing (11);
a frame plate (2) having a first side attached to the casing (11) and having a second side;
a base plate (1a) attached to the second side of the frame (2);
a plurality of walls (8);
a plurality of piezo electrically actuated bending converters (1) disposed in the casing (11), wherein the bending converters (1) are disposed at a distance from each other, over a partial length of the bending converters are guided separately by thicknesses of respective ones of the walls (8);
a plurality of longitudinal channels (12) for liquid flow are disposed under respective ones of the plurality of flexible fingers (5) in the frame plate (2) and running in longitudinal direction;
a plurality of liquid chambers (13) formed in the frame plate (2) and having a plurality of openings (14) with a plurality of edges, wherein the plurality of liquid chambers (13) includes a plurality of shafts (16) following to respective ones of the openings (14) and reaching in height level up to the base plate (1a);
a plurality of edge beads (15) running along respective ones of the plurality of edges, wherein the plurality of edge beads (15) serves to limit a stroke for respective ones of the plurality of the flexible fingers (5); and
a plurality of nozzles connected to respective ones of the plurality of liquid chambers (13) for each respective one of the plurality of bending converters (1).
12. The droplet generator according to claim 11, wherein a common liquid inlet (17) is disposed in the casing (11) above the plurality of flexible fingers (5).
13. The droplet generator according to claim 11 wherein the plurality of liquid longitudinal channels (12) under the plurality of flexible fingers (5) are connected to a fluid feed line (18) running cross to the plurality of flexible fingers (5) in a region disposed away from the plurality of nozzles (7).
14. The droplet generator according to claim 11 wherein the plurality of liquid chambers (13) is continued in the frame plate (2) below respective ones of the plurality of edge beads (15) with a width (14a) of the individual ones of the plurality of openings (14) and wherein individual ones of the plurality of liquid chambers (13) extend at a right angle up to openings (19) of the plurality of nozzles (7).
15. The droplet generator according to claim 11 further comprising
a nozzle plate placed onto the casing (11) andor the frame plate (2) andor the base plate (1a), wherein the plurality of nozzles (7) is disposed in the nozzle plate (20).
16. The droplet generator according to claim 11 wherein the nozzle plate (20) is disposed at the bottom side of the base plate (1a) while the plurality of nozzles (7) are running perpendicular through the base plate (1a).
17. The droplet generator according to claim 11 further comprising
a plurality of separating webs (21) running in the frame plate (2) at the plurality of edge beads (15).
18. The droplet generator according to claim 17 wherein the plurality of separating webs (21) is connected in each case between two side-by-side running edge beads (15) out of the plurality of edge beads (15).
19. The droplet generator according to claim 11 further comprising
a plurality of protruding roll off faces (22), wherein each one of the plurality of protruding roll off faces (22) is furnished in the middle between two neighboring separating webs (21) of the plurality of separating webs (21), wherein one of the plurality of roll off faces (22) is reaching between respective separating webs (21) of the plurality of separating webs (21) and wherein an individual one of the plurality of roll off faces (22) is disposed oppositely directed relative to respective ones of the plurality of separating webs (21).
20. The droplet generator according to claim 11, wherein a saw slot (23a) is worked in between in each case two neighboring ones of the plurality of flexible fingers (5) formed during production by a saw cut (23), in which the width of the saw slot (23a) corresponds to a thickness of intermediate walls (8) of a chamber or to a thickness of one of the plurality of separating webs (21).
21. A droplet generator for microdroplets comprising
a casing (11);
a frame plate (2) having a first side attached to the casing (11) and having a second side;
a base plate (1a) attached to the second side of the frame plate (2);
a first wall (8);
a first piezo electrically actuated bending converter (1) disposed in the casing (11), and over a partial length of the first bending converter guided separately by the first wall (8);
a second piezo electrically actuated bending converter (1) disposed in the casing (11) and over a partial length of the second bending converter guided separately by the first wall (8), wherein the first bending converter (1) and the second bending converter (1) are disposed at a distance from each other;
a first flexible finger (5);
a second flexible finger (5);
a first longitudinal channel (12) for liquid flow disposed under the first flexible finger (5) in the frame plate (2) and running in longitudinal direction;
a second longitudinal channel (12) for liquid flow disposed under the second flexible finger (5) in the frame plate (2) and running in longitudinal direction;
a first liquid chamber (13) formed in the frame plate (2) and having a first opening (14) with a first plurality of edges, wherein the first liquid chambers includes a first shaft (16) following to the first opening (14) and reaching in height level up to the base plate (1a);
a second liquid chamber (13) formed in the frame plate (2) and having a second opening (14) with a second plurality of edges, wherein the second liquid chamber includes a second shaft (16) following to the second opening (14) and reaching in height level up to the base plate (1a);
a first plurality of edge beads (15) running along respective ones of the first plurality of edges, wherein the first plurality of edge beads (15) serves to limit a stroke of the first flexible finger (5);
a second plurality of edge beads (15) running along respective ones of the second plurality of edges, wherein the second plurality of edge beads (15) serves to limit a stroke of the second flexible finger (5);
a first nozzle connected to the first liquid chamber (13) for the first bending converter (1);
a second nozzle connected to the second liquid chamber (13) for the second bending converter (1).
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 wireless transceiver for performing ultrasonic measurements, said wireless transceiver comprising:
an uplink transmitter configured to transmit at least one modulated timing pulse signal, each modulated timing pulse signal being transmitted over a respective uplink wireless channel, wherein the modulated timing pulse signal comprises a timing pulse signal modulated using an uplink carrier signal;
at least one uplink receiver, each uplink receiver being adapted to receive a respective one of the modulated timing pulse signals from said uplink transmitter and being configured to supply an unmodulated timing pulse signal to a respective transducer;
at least one downlink transmitter, each downlink transmitter being adapted to receive an echo signal from the respective transducer, and being configured to extract envelope information from the echo signal and to transmit a modulated echo signal over a respective downlink wireless channel, wherein the modulated echo signal is modulated using a downlink carrier signal; and
a downlink receiver adapted to receive the modulated echo signals, each modulated echo signal being received from said respective downlink transmitter.
2. The wireless transceiver of claim 1, wherein said uplink transmitter includes:
a logic level timing pulse (\u201cLLTP\u201d) generator configured to generate timing pulse signal, and
at least one uplink modulator, each uplink modulator being configured to modulate the timing pulse signal using the uplink carrier signal to produce the respective modulated timing pulse signal.
3. The wireless transceiver of claim 2, wherein said LLTP generator includes:
an uplink limiter configured to rectify an input signal to produce a rectified signal;
a filter configured to smooth the rectified signal to produce a smooth signal; and
a buffer and amplification unit configured to condition the smooth signal to produce a logic level pulse signal.
4. The wireless transceiver of claim 3, wherein:
said uplink limiter includes a diode clipping circuit, and
said filter is a low pass filter and includes a capacitor.
5. The wireless transceiver of claim 4, wherein said buffer and amplification unit includes a comparator.
6. The wireless transceiver of claim 3, wherein said LLTP generator further includes a synchronizing unit configured to control an on-off cycle of the logic level pulse signal to supply the timing pulse signal.
7. The wireless transceiver of claim 6, wherein said synchronizing unit includes a bistable logic device.
8. The wireless transceiver of claim 6, wherein said uplink transmitter further includes a pulse signal generator for supplying the input signal.
9. The wireless transceiver of claim 8, wherein said pulse signal generator includes a pulser amplifier, and wherein said uplink transmitter further includes an attenuator configured to reduce an amplitude of the input signal.
10. The wireless transceiver of claim 2, wherein each uplink receiver includes:
a timing pulse signal receiver adapted to receive the respective modulated timing pulse signal from said uplink transmitter over the respective uplink wireless channel;
an uplink demodulator configured to demodulate the respective modulated timing pulse signal to produce a demodulated timing pulse signal; and
a tone burst generator configured to convert the demodulated timing pulse signal to a drive tone signal.
11. The wireless transceiver of claim 10, wherein:
said timing pulse signal receiver includes an antenna; and
said tone burst generator includes:
a tone burst signal generator for supplying a tone burst signal, and
a gate for syncronizing the tone burst signal on the demodulated timing pulse signal.
12. The wireless transceiver of claim 11, wherein the tone burst signal has a frequency in a range of 10 kHz to 100 kHz.
13. The wireless transceiver of claim 10, wherein each uplink receiver further includes a tone burst amplification unit configured to amplify the drive tone signal to supply an amplified drive tone signal.
14. The wireless transceiver of claim 13, wherein each uplink receiver further includes a step-up transformer configured to step up the amplified drive tone signal to supply a stepped up drive signal to the respective transducer.
15. The wireless transceiver of claim 13, wherein each uplink receiver further includes a diplexer configured to turn said tone burst amplification unit on and off.
16. The wireless transceiver of claim 15, wherein said diplexer includes a series diode pair.
17. The wireless transceiver of claim 10, wherein each downlink transmitter includes:
a downlink limiter configured to limit an echo signal produced by the respective transducer to supply a limited echo signal;
an envelope information extractor configured to extract the envelope information from the limited echo signal to supply an envelope information signal; and
a downlink modulator configured to modulate the envelope information signal using the downlink carrier signal to supply the respective modulated echo signal.
18. The wireless transceiver of claim 17, wherein said envelope information extractor includes:
an echo amplifier configured to amplify the limited echo signal to supply an amplified echo signal,
an echo mixer configured to mix the amplified echo signal with an envelope signal to supply a mixed echo signal, and
an echo capacitor configured to filter the mixed echo signal to supply the envelope information signal.
19. The wireless transceiver of claim 18, wherein said downlink limiter includes a resistive element and a pair of back-to-back connected diodes.
20. The wireless transceiver of claim 17, wherein said downlink receiver includes:
at least one echo signal receiver, each echo signal receiver being adapted to receive the respective modulated echo signal from said respective downlink transmitter over the respective downlink wireless channel;
at least one downlink demodulator, each downlink demodulator being configured to demodulate the respective modulated echo signal to supply a respective demodulated echo signal,

wherein said downlink receiver is adapted to supply the demodulated echo signals to a processing unit.
21. The wireless transceiver of claim 20, wherein said downlink receiver further includes:
an end amplification unit configured to amplify each respective demodulated echo signal to supply a respective amplified demodulated echo signal,

wherein said downlink receiver is adapted to supply the amplified demodulated echo signals to the processing unit.
22. The wireless transceiver of claim 21, wherein said downlink receiver further includes:
an isolation coupler for relaying the amplified demodulated echo signals to the processing unit.
23. The wireless transceiver of claim 22, wherein said isolation coupler includes a 1-1 transformer.
24. The wireless transceiver of claim 20, wherein each echo signal receiver includes an antenna.
25. The wireless transceiver of claim 20, wherein:
each uplink modulator and each respective downlink modulator are configured to employ one of AM, FM, FSK, and CPSK modulation, and
each uplink demodulator and each respective downlink demodulator are configured to employ one of AM, FM, FSK, and CPSK demodulation.
26. The wireless transceiver of claim 25, wherein:
each uplink modulator includes:
an uplink carrier signal source for supplying the uplink carrier signal, and
a first uplink mixer configured to mix the uplink carrier signal and the timing pulse signal to supply the respective modulated timing pulse signal, and

each respective uplink demodulator includes:
an uplink signal generator for supplying an uplink demodulating signal, and
a second uplink mixer configured to mix the uplink demodulating signal and the respective modulated timing pulse signal to supply the respective demodulated timing pulse signal.
27. The wireless transceiver of claim 26, wherein the uplink carrier signal and the first demodulating signal have an uplink frequency in the ISM band.
28. The wireless transceiver of claim 26, wherein:
each downlink modulator includes:
a downlink carrier signal source for supplying the downlink carrier signal, and
a first downlink mixer configured to mix the downlink carrier signal and the respective envelope information signal to supply the respective modulated echo signal,

each respective downlink demodulator includes:
a downlink signal generator for supplying a downlink demodulating signal, and
a second downlink mixer configured to mix the downlink demodulating signal and the respective modulated echo signal to supply the respective demodulated echo signal.
29. The wireless transceiver of claim 28, wherein:
the uplink carrier signal and the uplink demodulating signal have an uplink frequency in the ISM band, and
the downlink carrier signal and the downlink demodulating signal have a downlink frequency in the ISM band.
30. The wireless transceiver of claim 17, wherein said downlink receiver includes:
an echo signal receiver adapted to receive the modulated echo signals from said downlink transmitters over the downlink wireless channels;
a tunable downlink demodulator configured to demodulate the modulated echo signals to supply a plurality of demodulated echo signals,

wherein said downlink receiver is adapted to supply the demodulated echo signals to a processing unit.
31. The wireless transceiver of claim 30, wherein said tunable downlink demodulator includes:
a tunable oscillator configured to supply a plurality of downlink carrier signals; and
a mixer configured to mix each of the modulated echo signals with a respective one of the downlink carrier signals to supply a plurality of demodulated echo signals.
32. The wireless transceiver of claim 31, wherein the downlink carrier signals are in the ISM band.
33. The wireless transceiver of claim 31, wherein said downlink receiver further includes:
an end amplification unit configured to amplify the demodulated echo signals to supply a plurality of amplified demodulated echo signals,

wherein said downlink receiver is adapted to supply the amplified demodulated echo signals to the processing unit.
34. The wireless transceiver of claim 31, wherein said echo signal receiver includes an antenna.
35. A wireless ultrasonic measurement system comprising:
a plurality of transducers for supplying a plurality of echo signals;
an uplink transmitter configured to transmit a plurality of modulated timing pulse signals over a plurality of uplink wireless channels, one uplink wireless channel being provided for each transducer, and each modulated timing pulse signal being transmitted over a respective one of the uplink wireless channels, wherein each of the modulated timing pulse signals comprises a respective timing pulse signal modulated using an uplink carrier signal;
a plurality of uplink receivers, each uplink receiver being adapted to receive a respective one of the modulated timing pulse signals from said uplink transmitter and being configured to supply a respective unmodulated timing pulse signal to a respective one of said transducers;
a plurality of downlink transmitters, each downlink transmitter being adapted to receive an echo signal from a respective one of said transducers and being configured to extract envelope information from the echo signal, and to transmit a respective modulated echo signal over a respective downlink wireless channel, wherein each of the modulated echo signals is modulated using a downlink carrier signal; and
a downlink receiver adapted to receive the modulated echo signals from said downlink transmitters and to supply a plurality of demodulated echo signals to a processing unit.
36. A method for performing ultrasonic, wireless measurements, said method comprising:
transmitting at least one modulated timing pulse signal, each modulated timing pulse signal being transmitted over a respective uplink wireless channel, wherein the at least one modulated timing pulse signal comprises a timing pulse signal modulated using an uplink carrier signal;
receiving the modulated timing pulse signal over the uplink wireless channel and supplying a respective demodulated timing pulse signal to a respective transducer;
receiving an echo signal from the respective transducer, extracting an envelope information signal from the echo signal, and transmitting a respective modulated echo signal over a respective downlink channel, wherein the modulated echo signal is modulated using a downlink carrier signal; and
receiving the modulated echo signal and supplying a respective demodulated echo signal to a processing unit.
37. The method of claim 36 further comprising:
modulating a timing pulse signal using the uplink carrier signal to supply the modulated timing pulse signal;
demodulating the modulated timing pulse signal to supply the respective demodulated timing pulse signal;
modulating the envelope information signal to supply the respective modulated echo signal; and
demodulating the modulated echo signal using the downlink carrier signal to supply the respective demodulated echo signal,

wherein said modulation steps and said demodulation steps employ one of AM, FM, FSK, and CPSK modulation and demodulation, respectively.
38. The method of claim 37, wherein said timing pulse modulation and demodulation steps employ the uplink carrier signal in an ISM band, and wherein said echo signal modulation and demodulation steps employ the downlink carrier signal in the ISM band.