Author: claimsbot

1. A method comprising:
receiving returned items from a carrier, each of said returned items having been included in a respective one of a plurality of shipping campaigns and having been determined by the carrier to be undeliverable;
after said receiving, determining for each of said returned items at least one of (a) a respective shipping campaign to which said each item belonged, and (b) a reason why said each returned item was determined to be undeliverable; and
selecting a course of action based on at least one of said determined respective shipping campaign and said determined reason,
wherein the carrier comprises a postal authority, the items comprise mailpieces and the shipping campaigns comprise mailings,
further comprising:
entering said determined reason in a database; and
reading information from said each returned mailpiece to determine said reason.
2. The method according to claim 1, further comprising:
scanning said each returned mailpiece to generate an image, said scanning performed at a first location;
transmitting said image to a second location that is remote from said first location; and
reading information from said image at said second location to determine said reason.

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 coaxial cable characterized in that a first conductor is provided on the outer circumference of a central conductor with an insulator therebetween;
a second conductor is provided on the concentric circle which has said central conductor as its center and outside said first conductor with an insulator therebetween;
outside of said second conductor is coated by an external coating which is an insulator; and
a DC voltage source which is able to apply DC voltage between said first conductor and said second conductor is provided.
2. A coaxial cable characterized in that a first conductor is provided on the outer circumference of a central conductor with an insulator therebetween;
a second conductor is provided on the concentric circle which has said central conductor as its center and outside said first conductor with an insulator therebetween;
outside of said second conductor is coated by an external coating which is an insulator;
a DC voltage source which is able to apply DC voltage having a predetermined voltage value between said first conductor and said second conductor such that the direct current flowing in said first conductor and said second conductor takes a desired value, is provided; and
a noise barrier zone is formed in the area surrounded by said first conductor which is on the outer circumference of said central conductor and said second conductor, by electromagnetic action brought about by said desired current.
3. A coaxial cable described in claim 1 characterized in that said first conductor andor said second conductor is a braided conductor.
4. A coaxial cable described in claim 1 characterized in that said second conductor comprises a plurality of conductors provided on the outer circumference of said first conductor with the insulator therebetween.
5. A coaxial cable described in claim 1 characterized in that said second conductor comprises a conductor provided so as to be winded around the outer circumference of said first conductor with the insulator therebetween.
6. A coaxial cable described in claim 1 characterized by having a structure in which said DC voltage having a predetermined power supply voltage value is applied such that said first conductor side has positive voltage and said second conductor side has negative voltage or said first conductor side has negative voltage and said second conductor side has positive voltage; and the direct current having said desired current value flows in said first conductor and said second conductor.
7. A coaxial cable described in claim 1 characterized in that the power supply voltage value of said DC voltage source falls within 10 V to 150 V.
8. A coaxial cable described in claim 2 characterized in that said first conductor andor said second conductor is a braided conductor.
9. A coaxial cable described in claim 2 characterized in that said second conductor comprises a plurality of conductors provided on the outer circumference of said first conductor with the insulator therebetween.
10. A coaxial cable described in claim 2 characterized in that said second conductor comprises a conductor provided so as to be winded around the outer circumference of said first conductor with the insulator therebetween.
11. A coaxial cable described in claim 2 characterized by having a structure in which said DC voltage having a predetermined power supply voltage value is applied such that said first conductor side has positive voltage and said second conductor side has negative voltage or said first conductor side has negative voltage and said second conductor side has positive voltage; and the direct current having said desired current value flows in said first conductor and said second conductor.
12. A coaxial cable described in claim 2 characterized in that the power supply voltage value of said DC voltage source falls within 10 V to 150 V.

1. A wireless communication system which carries out spatial multiplexing transmission with transmit and receive weights determined by utilizing a channel matrix with elements that are pairs of transmit antennas and receive antennas,
the system comprising:
a first communication device including a transmit weight separator;
a second communication device configured to weight a reference signal with a first weight matrix U* to produce a weighted reference signal and transmit the weighted reference signal to the first communication device, the first weight matrix U* including a conjugate matrix of a second weight matrix U and produce the first weight matrix U* based on singular value decomposition of the channel matrix H in a direction from the first communication device to the second communication device;
the transmit weight separator is configured to receive the weighted reference signal from the second communication device and separate the weighted reference signal into a third weight matrix V and a diagonal matrix D; and
the first communication device is further configured to weight data with the third weight matrix V to produce weighted data and transmit the weighted data to the second communication device.
2. The wireless communication system according to claim 1, which carries out the spatial multiplexing transmission with the transmit and receive weights determined by utilizing a matrix UDVH obtained by the singular value decomposition of the channel matrix H with elements that are pairs of the transmit antennas and the receive antennas, wherein U is the second weight matrix, D is the diagonal matrix, and VH is a conjugate transposed matrix of the third of a third weight matrix V,
wherein said second communication device acquires the channel matrix H, using a reference signal from said first communication device, acquires the third weight matrix V in the direction from the first communication device as a transmitter to the second communication device as a receiver, receives the receive weights UH by the singular value decomposition of the channel matrix H, and transmits the reference signal weighted with U* to the first communication device, where U* is the conjugate matrix for U as the receive weights in the direction from the second communication device to the first communication device, and
wherein said first communication device, upon receiving the reference signal weighted with U*, separates the received signal into the third weight matrix V in the direction from the first communication device to the second communication device and the diagonal matrix D by suitably using unitary matrix properties.
3. The wireless communication system according to claim 2, wherein said first communication device acquires HTU*=V*DUT=V*D, wherein HT is a transposed matrix of the channel matrix H, and UT is a transposed matrix of the second weight matrix U, by receiving the reference signal weighted with U* in the direction from the second communication device to the first communication device, the channel matrix H in this direction being the transposed matrix HT for the channel matrix H=UDVH in the direction from the first communication device to the second communication device, and separates the third weight matrix V in the direction from the second communication device to the first communication device from V*D, based on the unitary matrix properties.
4. A wireless communication apparatus which carries out spatial multiplexing transmission with transmit and receive weights determined by utilizing a matrix UDVH obtained by singular value decomposition of a channel matrix H with elements that are pairs of transmit antennas and receive antennas, wherein U is a second weight matrix, D is a diagonal matrix, and VH is a transposed matrix of a third weight matrix V. said wireless communication apparatus comprising:
a channel matrix acquisition unit which acquires the channel matrix H in a direction from a first communication device to a second communication device, based on a reference signal received from other end;
a singular value decomposition unit which executes the singular value decomposition of the acquired channel matrix H into the matrix UDVH;
a receiving section which receives user data transmitted in a forward direction from the other end and weights the user data with the receive weights UH derived from the acquired channel matrix H through the singular value decomposition unit; and
a transmitting section which weights a reference signal with the third weight matrix V in a reverse direction to the other end by using a conjugate matrix U* for U obtained, based on a result of the singular value decomposition of the acquired channel matrix H, as the transmit weights, and transmits the reference signal with the transmit weights.
5. A wireless communication apparatus which carries out spatial multiplexing transmission with transmit and receive weights determined by utilizing a channel matrix with elements that are pairs of transmit antennas and receive antennas, said wireless communication apparatus comprising:
a receiving section which receives a reference signal weighted with a first weight matrix U* including a conjugate matrix of a second weight matrix U and produces the first weight matrix U* on singular value decomposition of the channel matrix H;
a separator which separates the received signal into a third weight matrix V in a reverse direction and a diagonal matrix D; and
a transmitting section which transmits data weighted with the third weight matrix V obtained by said separator in the reverse direction to the direction in which said reference signal was received.
6. The wireless communication apparatus according to claim 5, in an instance where data communication to another end in a direction from a first communication device to a second communication device is performed, wherein:
said receiving section receives the reference signal weighted with the first weight matrix U* which is the conjugate matrix for U as the receive weights in a direction from the second communication device to the first communication device;
said separator separates the received signal into the third weight matrix V in the direction from the first communication device to the second communication device and the diagonal matrix D; and
said transmitting section transmits the data weighted with the third weight matrix V as the transmit weights in the direction from the first communication device to the second communication device.
7. The wireless communication apparatus according to claim 6, wherein:
the channel matrix H in the direction from the second communication device to the first communication device is a transposed matrix HT for the channel matrix H=UDVH in the direction from the first communication device to the second communication device, wherein VH is a transposed matrix of the third weight matrix V;
said receiving section acquires HTU*=V*DUT=V*D, wherein HT is the transposed matrix of the channel matrix H, and UT is a transposed matrix of the second weight matrix U, by receiving the reference signal weighted with U* in the direction from the second communication device to the first communication device; and
said separator separates the transmit weights in the direction from the first communication device to the second communication device from V*D, based on unitary matrix properties.
8. A wireless communication method for carrying out spatial multiplexing transmission with transmit and receive weights determined by utilizing a matrix UDVH obtained by singular value decomposition of a channel matrix H with elements that are pairs of transmit antennas and receive antennas, wherein U is a second weight matrix, D is a diagonal matrix, and VH is a transpose matrix of a third weight matrix V, said wireless communication method comprising the steps of:
acquiring the channel matrix H in a direction from a first communication device to a second communication device, based on a reference signal received from other end;
executing the singular value decomposition of the acquired channel matrix H into the matrix UDVH;
receiving user data transmitted in a forward direction from the other end and weighting the user data with the receive weights UH derived from the acquired channel matrix H by the singular value decomposition; and
weighting a reference signal with the third weight matrix V in a reverse direction to the other end by using a conjugate matrix U* for U obtained, based on a result of the singular value decomposition of the acquired channel matrix H, as the transmit weights, and transmitting the reference signal with the transmit weights.
9. A wireless communication method for carrying out spatial multiplexing transmission with transmit and receive weights determined by utilizing a matrix UDVH obtained by singular value decomposition of a channel matrix H with elements that are pairs of transmit antennas and receive antennas, wherein U is a second weight matrix, D is a diagonal matrix, and VH is a transposed matrix of a third weight matrix V, said wireless communication method comprising the steps of:
receiving a reference signal weighted with a conjugate matrix U* for U as the receive weights in a direction from a second communication device to a first communication device and acquiring HTU*=V*DUTV*D, wherein HT is a transposed matrix of the channel matrix H, and UT is a transposed matrix of the second weight matrix U;
separating the third weight matrix V as the transmit weights in a direction from the first communication device to the second communication device from V*D, based on unitary matrix properties; and
weighting data with the transmit weights in the direction from the first communication device to the second communication device and transmitting the data.
10. A computer readable medium embodying a program of instructions executable by a computer to perform a method of carrying out spatial multiplexing transmission with transmit and receive weights determined by utilizing a matrix UDVH obtained by singular value decomposition of a channel matrix H with elements that are pairs of transmit antennas and receive antennas, wherein U is a second weight matrix, D is a diagonal matrix, and VH is a transposed matrix of a third weight matrix V, said method comprising the steps of:
acquiring the channel matrix H in a direction from a first communication device to a second communication device, based on a reference signal received from other end;
executing singular value decomposition of the acquired channel matrix H into the matrix UDVH;
receiving user data transmitted in a forward direction from the other end and weighting the user data with the receive weights UH derived from the acquired channel matrix H by the singular value decomposition; and
weighting a reference signal with the third weight matrix V in a reverse direction to the other end by using a conjugate matrix U* for U obtained, based on a result of the singular value decomposition of the acquired channel matrix H, as the transmit weights, and transmitting the reference signal with the transmit weights.
11. A computer readable medium embodying a program of instructions executable by a computer to perform a method of carrying out spatial multiplexing transmission with transmit and receive weights determined by utilizing a matrix UDVH obtained by singular value decomposition of a channel matrix H with elements that are pairs of transmit antennas and receive antennas, wherein U is a second weight matrix, D is a diagonal matrix, and VH is a transposed matrix of a third weight matrix V, said method comprising the steps of:
receiving a reference signal weighted with a conjugate matrix U* for U as the receive weights in a direction from a second communication device to a first communication device and acquiring HTU*=V*DUT=V*D;
separating the third weight matrix V as the transmit weights in a direction from the first communication device to the second communication device from V*D, based on unitary matrix properties; and
weighting data with the transmit weights in the direction from the first communication device to the second communication device and transmitting the data.

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 I claim as my invention is:

1. A configurable lighting display device comprising:
a plurality of electrical circuit boards with a plurality of light emitting diodes placed in a configuration on each circuit board to form a different alphanumeric character on each of the said circuit boards; and
a conductive metallic trace on said circuit boards that bus electrical power to one or more circuits where said light emitting diodes are electromechanically connected to said trace; and
a conductive metallic trace on said circuit boards that bus electrical ground from said light emitting diode circuits; and
a means for electromechanically connecting power and ground to said conductive traces on said circuit boards;
whereby said circuit boards can be arranged to form words, numbers or combinations of words or numbers. When power and ground are applied to their respective bus on said circuit boards, the said light emitting diodes are energized and light displaying said words andor numbers.
2. The configurable lighting display device according to claim 1 including a conductive metallic trace which bus electrical power from one edge of said circuit board to the opposite edge of said circuit board.
3. The configurable lighting display device according to claim 2 including;
a set of holes at each end of said metallic trace for electromechanically connecting abutting circuit boards with a conductive bus bar or connector; and,
a conductive bus bar which bridges the gap between two circuit boards and is electromechanically attached to said conductive traces on each of the circuit boards;
whereby, when said character circuit boards abut one another and they are electromechanically connected to one another by said bus bar, electrical power is passed from board to board along the conductive trace and conductive bus bar and energizes the respective alphanumeric character on each board.
4. The configurable lighting display device according to claim 2 including a conductive electrical connector terminal which electromechanically connects abutting circuit boards, whereby, conducting electrical power from board to board along the conductive trace and through said connector which energizes the respective alphanumeric character on each board.
5. The configurable lighting display device according to claim 3 including an enclosure with a clear lens that encases the circuit board assembly.
6. The configurable lighting display device according to claim 4 including an enclosure with a clear lens that encases the circuit board assembly.
7. The configurable lighting display device according to claim 1 which is powered by a direct current power system.
8. The configurable lighting display device according to claim 1 which is powered by an alternating current to direct current transformer.
9. The configurable lighting display device according to claim 1 which is powered by an alternating current power supply.
10. The configurable lighting display device according to claim 1 which is powered by a solar voltaic power system
11. The configurable lighting display device according to claim 1 which is used in conjunction with a light sensor to only light the said display device when it is dark.
12. The configurable lighting display device according to claim 5 from which the enclosure is made from an extrusion which can be cut to any length for displaying different length messages and with end panels to enclose the circuit board assemblies.
13. The configurable lighting display device according to claim 6 from which the enclosure is made from an extrusion which can be cut to any length for displaying different length messages and with end panels to enclose the circuit board assemblies.