Author: claimsbot

1. An image displaying apparatus comprising:
a rear plate that has plural electron-emitting devices arranged in matrix;
a face plate that has a substrate, plural light-emitting members arranged in matrix on the substrate, plural metal backs each of which covers at least the one light-emitting member and which are mutually arranged in matrix at gaps, ribs which have first striped portions respectively positioned among the plural light-emitting members and protruding toward the rear plate, and a resistive wiring which includes a resistor positioned between the substrate and the ribs and electrically connecting the plural metal backs to others, and that is positioned oppositely to the rear plate; and
a spacer that is positioned between the rear plate and the ribs to mutually support the rear plate and the face plate,
wherein the rib has, on its surface, a spacer connection wiring which abuts against the spacer, and
wherein the spacer connection wiring is electrically connected to the resistive wiring.
2. An image displaying apparatus according to claim 1, wherein the spacer connection wiring abuts against the resistive wiring.
3. An image displaying apparatus according to claim 2, wherein a positioned abutment between the spacer connection wiring and the spacer is deviated from a positioned abutment between the spacer connection wiring and the resistive wiring in a direction along which the first striped portions extend.
4. An image displaying apparatus according to claim 2, wherein the resistive wiring is provided for each column of the metal backs.
5. An image displaying apparatus according to claim 2, wherein the resistive wiring is provided every plural columns of the metal backs.
6. An image displaying apparatus according to claim 1, wherein the ribs have a lattice shape which consists of the first striped portions and second striped portions extending in a direction perpendicular to the first striped portions.
7. An image displaying apparatus according to claim 1, wherein the spacer connection wiring and the metal back are integrally formed.

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 reactor assembly, comprising:
a first block having an array of reactors defined therein; and
a second block having an array of nozzles extending from a surface of the second block, the array of nozzles aligned with the array of reactors so that each of the nozzles extends into a processing region of the correspondingly aligned reactor when the surface of the second block is placed on a surface of the first block,
a plurality of openings disposed over a surface of each nozzle of the array of nozzles for dispersing fluid into the processing region of the reactor; and
a network of channels defined within the second block, the network of channels in fluid communication with a fluid source.
2. The reactor assembly of claim 1 wherein a diameter of each nozzle of the array of nozzles is one of; less than a diameter of each reactor of the array of reactors, or less than a diameter of each impeller shaft of an array of impellers.
3. The reactor assembly of claim 1 wherein each of the plurality of openings disposed over the surface of each nozzle directs fluid at different angles within a corresponding reactor.
4. The reactor assembly of claim 1 wherein each nozzle of the array of nozzles is configured to extend into an impeller shaft disposed within each reactor of the array of reactors.
5. The reactor assembly of claim 1 wherein each nozzle of the array of nozzles rotates.
6. The reactor assembly of claim 1 wherein the second block comprises a rigid, chemically-resistant material.
7. The reactor assembly of claim 1 further comprising:
a plurality of bearings, wherein each bearing couples a corresponding nozzle to a surface of the second block such that the nozzle is rotatable when the fluid is dispersed in the reactor.
8. The reactor assembly of claim 1 wherein each nozzle of the array of nozzles comprises an elongated chemically-resistant structure defined by a length and a diameter.
9. A spray cleaner accessory for a reactor assembly having an array of reactors defined therein, comprising:
a block having an upper surface and a lower surface and mountable on the reactor assembly;
an array of nozzles extending from the lower surface of the block,
a plurality of openings disposed over a surface of each nozzle, wherein each of the nozzles is elongated for extension into a corresponding reactor in the array of reactors; and
a fluid supply for spraying a fluid into the corresponding reactor, the fluid supply coupled to each nozzle.
10. The spray cleaner accessory of claim 9 wherein each of the plurality of openings disposed over the surface of the nozzle directs fluid at different angles within the corresponding reactor.
11. The spray cleaner accessory of claim 9 wherein each nozzle of the array of nozzles comprises an elongated chemically-resistant structure defined by a length and a diameter.
12. The spray cleaner accessory of claim 11 wherein the diameter of each nozzle is less than one of; a diameter of the corresponding reactor, or a diameter of a corresponding impeller shaft.
13. The spray cleaner accessory of claim 9 wherein the block comprises a rigid, chemically-resistant material.
14. The spray cleaner accessory of claim 9 wherein each nozzle is coupled to the lower surface of the block through a bearing such that each nozzle is rotatable when the fluid is sprayed into the reactor.
15. The spray cleaner accessory of claim 9 wherein each nozzle in the array of nozzles is configured to extend into an impeller shaft disposed within each reactor.

1. A paper roll remaining amount detecting device, the device comprising:
a paper roll receiving unit including a rest portion configured to support, depending on a printer mounting posture, an outer circumferential surface of a paper roll formed of a cylindrical core and first and second recesses formed in the rest portion to receive the paper roll dropping by the weight of the paper roll when the paper roll is consumed to have a predetermined winding diameter;
an attachment frame pivotably supported on an outer surface of a sidewall of the paper roll receiving unit through a pivot shaft to pivot about the pivot shaft by the weight of the attachment frame, the sidewall of the paper roll receiving unit having an arc-shaped hole portion extending along a pivot movement trajectory of a pivoting end portion of the attachment frame;
an arm pivotably supported on the attachment frame, the arm including a projection formed in a pivoting end portion thereof and inserted into the arc-shaped hole portion of the sidewall of the paper roll receiving unit, the arm configured to operate such that, when the paper roll becomes equal to or smaller than a predetermined size by the consumption of the paper roll, the projection of the arm is moved toward the cylindrical core of the paper roll; and
a detecting unit configured to detect, based on the operation of the arm, whether the paper roll is equal to or smaller than the predetermined size.
2. The device of claim 1, further comprising:
a biasing member configured to elastically bias the arm to pivot toward an end surface of the paper roll.
3. The device of claim 2, wherein the detecting unit comprises a sensor configured to be turned on and off as the projection of the arm is moved toward and away from the end surface of the paper roll.
4. A printer, comprising:
a printer body including an attachment portion configured to be selectively attached to one of a vertical surface and a horizontal surface depending on a mounting posture of the printer body;
a printing unit provided within the printer body;
a paper roll receiving unit including a rest portion configured to support, depending on the mounting posture of the printer body, an outer circumferential surface of a paper roll formed of a cylindrical core and first and second recesses formed in the rest portion to receive the paper roll dropping by the weight of the paper roll when the paper roll is consumed to have a predetermined winding diameter;
an attachment frame pivotably supported on an outer surface of a sidewall of the paper roll receiving unit through a pivot shaft to pivot about the pivot shaft by the weight of the attachment frame, the sidewall of the paper roll receiving unit having an arc-shaped hole portion extending along a pivot movement trajectory of a pivoting end portion of the attachment frame;
an arm pivotably supported on the attachment frame, the arm including a projection formed in a pivoting end portion thereof and inserted into the arc-shaped hole portion of the sidewall of the paper roll receiving unit, the arm configured to operate such that, when the paper roll becomes equal to or smaller than a predetermined size by the consumption of the paper roll, the projection of the arm is moved toward the cylindrical core of the paper roll; and
a detecting unit configured to detect, based on the operation of the arm, whether the remaining amount of paper in the paper roll is equal to or smaller than the predetermined size.
5. The printer of claim 4, further comprising:
a biasing member configured to elastically bias the arm to pivot toward an end surface of the paper roll.
6. The printer of claim 5, wherein the detecting unit comprises a sensor configured to be turned on and off as the projection of the arm is moved toward and away from the end surface of the paper roll.

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 method of scaling path delay values in a communication system in which estimates of received symbols corresponding to the path delays are combined, comprising the steps of:
getting a plurality of path delay values, including getting a set of temporal statistics of the path delay values, the set of temporal statistics including a correlation matrix, a normalized correlation matrix, and a mean energy vector;
identifying the path delay values as either peak values or neighbor values;
organizing the peak values and neighbor values into groups, wherein each group comprises at least one peak value; and
for each group, determining a set of weight values w1 wherein the weight values in a set correspond to respective path delays and are based on at least the set of weight values w determined for the respective group and the set of temporal statistics; and
determining the set of weight values w based on
w=(R+\u03b2I)\u22121(|\u03a9|M*+\u03b21).
in which R is the correlation matrix, M is the mean energy vector, \u03b2 is a selectable parameter, and \u03a9 depends on the normalized correlation matrix and on the mean energy vector and is related to uncorrelated energy or signal-to-interference ratio of a group.
2. The method of claim 1, wherein the weight values are determined by at least the steps of:
checking the groups for duplicated path delay values and
selecting a weight value from the weight values determined for the duplicated path delay values as either one of the weight values for the duplicated path delay values or a combination of the weight values for the duplicated path delay values.
3. The method of claim 1, wherein a set of weight values is determined based on signal correlations.
4. The method of claim 3, wherein in the set of weight values, the weight value for a peak value is a constant and the weight values for neighbor values are the constant less signal correlations.
5. The method of claim 1, wherein a set of weight values is determined as selected constants.
6. A receiver for signals transmitted in a digital communication system, the signals including transmitted symbols, comprising:
a delay selector that determines sets of path delays for received signal echoes;
a propagation channel estimator that determines estimates of an impulse response of a channel through which the transmitted signals have propagated;
a demodulator that determines estimates of the transmitted symbols;
a propagation channel weights computer that determines weight values for path delays determined by the delay selector based on relative correlations of the path delays by identifying the path delays as either peaks or neighbors, organizing the peaks and neighbors into groups, wherein each group comprises at least one peak, and determining a set of weight values w for each group, wherein each weight value in a set corresponds to a respective path delay and is based on at least the set of weight values w determined for the respective group and a set of temporal statistics of the path delays, the set of temporal statistics including a correlation matrix, a normalized correlation matrix, and a mean energy vector;
a combiner that combines the estimates of the impulse response, the estimates of the transmitted symbols, and the weight values, wherein the weight values scale the estimates for the combiner;
wherein, the set of weight values w is determined based on
w=(R+\u03b2I)\u22121(|\u03a9|M*+\u03b21).
in which R is the correlation matrix, M is the mean energy vector, \u03b2 is a selectable parameter, and \u03a9 depends on the normalized correlation matrix and on the mean energy vector and is related to uncorrelated energy or signal-to-interference ratio of a group.
7. The receiver of claim 6, wherein the propagation channel weights computer determines weight values for path delays by checking the groups for duplicated path delays and selecting a weight value from the weight values determined for the duplicated path delays as either one of the weight values for the duplicated path delays or a combination of the weight values for the duplicated path delays.
8. The receiver of claim 6, wherein the propagation channel weights computer determines weight values based on received signal correlations.
9. The receiver of claim 8, wherein in a set of weight values, the weight value for a peak value is a constant and the weight values for neighbor values are the constant less received signal correlations.
10. The receiver of claim 6, wherein the propagation channel weights computer determines weight values as selected constants.
11. A computer-readable medium storing a computer program for scaling path delay values in a communication system in which estimates of received symbols corresponding to the path delays are combined, wherein the computer program performs the steps of:
getting a plurality of path delay values, including getting a set of temporal statistics of the path delay values, the set of temporal statistics including a correlation matrix, a normalized correlation matrix, and a mean energy vector;
identifying the path delay values as either peak values or neighbor values;
organizing the peak values and neighbor values into groups, wherein each group comprises at least one peak value; and
for each group, determining a set of weight values w, wherein each weight value in a set corresponds to a respective path delay and is based on at least the set of weight values w determined for the respective group and the set of temporal statistics determining the set of weight values w based on
w=(R+\u03b2I)\u22121(|\u03a9|M*+1).
in which R is the correlation matrix, M is the mean energy vector, \u03b2 is a selectable parameter, and \u03a9 depends on the normalized correlation matrix and on the mean energy vector and is related to uncorrelated energy or signal-to-interference ratio of a group.
12. The computer-readable medium of claim 11, wherein the computer program determines weight values by at least the steps of:
checking the groups for duplicated path delay values and selecting a weight value from the weight values determined for the duplicated path delay values as either one of the weight values for the duplicated path delay values or a combination of the weight values for the duplicated path delay values.
13. The computer-readable medium of claim 12, wherein the computer program performs the step of getting a plurality of path delay values by at least getting a set of temporal statistics of the path delay values, and a set of weight values is determined based on the set of statistics.
14. The computer-readable medium of claim 12, wherein a set of weight values is determined either based on signal correlations or as selected constants.