Author: claimsbot

What is claimed is:

1. A partial fractionally spaced equalizer for a digital television comprising:
a feedforward filter unit for receiving an input signal sampled at a predetermined frequency, which is divided a first region having a symbol spaced tap and a second region having fractional spaced taps narrower than the symbol spaced tap;
a feedback filter unit having symbol spaced taps;
a equalizer signal generator for processing feedforward tap signals outputted from the feedforward filter unit and the feedback tap signals outputted from the feedback filter unit and generating equalizer signals;
a slicer for slicing the equalizer signals to generate a decision data and outputting the decision data to the feedback filter unit; and
an error generator for generating a compensating error signal by subtracting the equalizer signal from the decision data.
2. The equalizer according to claim 1, wherein the input signal has a sampling frequency of 21.52 MHz.
3. The equalizer according to claim 1, wherein the first region is formed by setting coefficients to zero at except the positions of symbols or between symbols.
4. The equalizer according to claim 1, wherein the first and the second regions process the input signal at the same sampling frequency as the frequency of the input signal.
5. The equalizer according to claim 1, wherein the equalization signal generator comprising:
a first adder for adding the feedforward tap signals;
a decimeter for sampling the addition result outputted from the first adder at the same frequency as that of the input signal;
a third adder for adding the feedback tap signals; and
a second adder for adding the sampled signal outputted from the decimeter and the addition result outputted from the third adder, and generating the equalizer signal.
6. The equalizer according to claim 5, wherein the decimeter samples a signal corresponding to the symbol time among inputted signals.
7. The equalizer according to claim 5, wherein the decimeter comprises a flip-flop.
8. The equalizer according to claim 5, wherein the error generator comprising:
a subtractor for subtracting the equalizer signal from the decision data and outputting an error signal; and
a multiplier for multiplying the error signal by a predetermined step size and generating the compensation error signal.
9. The equalizer according to claim 1, wherein the feedback filter unit further comprises decimeter unit for sampling the input signal and signals from the first and second regions.
10. The equalizer according to claim 9, wherein the decimeter comprises a flip-flop.
11. The equalizer according to claim 9, wherein the equalization signal generator comprising:
a first adder for adding the feedforward tap signals;
a third adder for adding the feedback tap signals; and
a second adder for adding the addition results outputted from the first and third adders, and generating the equalizer signal.

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 polymeric fuel additive made by a method comprising the steps of:
(a) isothermally mixing substantially equimolar amounts of an ethoxylated alcohol and an amide, said ethoxylated alcohol comprising at least about 75 weight percent of at least one linear straight-chain alcohol having a hydrocarbon chain length of about nine to about fifteen carbon atoms, and said amide being a substantially equimolar reaction product of an alcohol amine and an alkyl ester of a fatty acid; and,
(b) isothermally mixing the product of step (a) and with an ethoxylated fatty acid or derivative having a hydrocarbon chain length of about nine to about fifteen carbon atoms to form said polymeric fuel additive.
2. The additive of claim 1, wherein said ethoxylated fatty acid or derivative is a reaction product of an unmodified fatty acid or derivative having a hydrocarbon chain length of about nine to about fifteen carbon atoms and ethylene oxide.
3. The additive of claim 2, wherein said ethoxylated fatty acid or derivative is formed by reacting the unmodified fatty acid or derivative with at least about seven moles of the ethylene oxide per mole of unmodified fatty acid.
4. The additive of claim 2, wherein said unmodified fatty acid derivative is an alkyl ester of a fatty acid.
5. The additive of claim 1, wherein said alkyl ester of a fatty acid is methyl ester of a fatty acid, said fatty acid having a hydrocarbon chain length of at least about nine carbon atoms
6. The additive of claim 1, wherein said ethoxylated alcohol and said amide are isothermally mixed at a temperature of about 55 C. to about 58 C.
7. The additive of claim 1, wherein said amide is formed by reacting said alkyl ester of a fatty acid and said alcohol amine at a temperature of about 100 C. to about 110C.
8. The additive of claim 1, wherein said alcohol amine comprises one or more compounds selected from the group consisting of ethanolamine, diethanolamine, and triethanolamine.
9. The additive of claim 1, wherein said isothermal mixing of step (b) occurs at a temperature of about 55 C. to about 58 C.
10. The additive of claim 1, wherein said straight-chain alcohols have hydrocarbon chain lengths of about eleven carbon atoms.
11. The additive of claim 1, wherein said ethoxylated alcohol has an average molecular weight of less than about 200.
12. The additive of claim 1, wherein said ethoxylated alcohol has an average molecular weight of less than about 160.
13. A method of making a polymeric fuel additive, said method comprising the steps of:
(a) isothermally mixing substantially equimolar amounts of an ethoxylated alcohol and an amide, said ethoxylated alcohol comprising at least about 75 weight percent of at least one linear straight-chain alcohol having a hydrocarbon chain length of about nine to about fifteen carbon atoms, and said amide being the substantially equimolar reaction product of an alcohol amine and an alkyl ester of a fatty acid; and,
(b) isothermally mixing the product of step (a) and with an ethoxylated fatty acid or derivative having a hydrocarbon chain length of about nine to about fifteen carbon atoms to form said polymeric fuel additive.
14. The additive of claim 13, wherein said ethoxylated fatty acid or derivative is a reaction product of an unmodified fatty acid or derivative having a hydrocarbon chain length of about nine to about fifteen carbon atoms and ethylene oxide.
15. The additive of claim 14, wherein said ethoxylated fatty acid or derivative is formed by reacting the unmodified fatty acid or derivative with at least about seven moles of the ethylene oxide per mole of unmodified fatty acid.
16. The additive of claim 14, wherein said unmodified fatty acid derivative is an alkyl ester of a fatty acid.
17. The additive of claim 13, wherein said alkyl ester of a fatty acid is methyl ester of a fatty acid, said fatty acid having a hydrocarbon chain length of at least about nine carbon atoms
18. The additive of claim 13, wherein said ethoxylated alcohol and said amide are isothermally mixed at a temperature of about 55 C. to about 58 C.
19. The additive of claim 13, wherein said amide is formed by reacting said alkyl ester of a fatty acid and said alcohol amine at a temperature of about 100 C. to about 110 C.
20. The additive of claim 13, wherein said alcohol amine comprises one or more compounds selected from the group consisting of ethanolamine, diethanolamine, and triethanolamine.
21. The additive of claim 13, wherein said isothermal mixing of step (b) occurs at a temperature of about 55 C. to about 58 C.
22. The additive of claim 13, wherein said straight-chain alcohols have hydrocarbon chain lengths of about eleven carbon atoms.
23. The additive of claim 13, wherein said ethoxylated alcohol has an average molecular weight of less than about 200.
24. The additive of claim 13, wherein said ethoxylated alcohol has an average molecular weight of less than about 160.
25. A polymeric fuel additive comprising the reaction product of:
(a) a mixture of an ethoxylated alcohol and an amide, said ethoxylated alcohol comprising at least about 75 weight percent of at least one linear straight-chain alcohol having a hydrocarbon chain length of about nine to about fifteen carbon atoms, and said amide being a substantially equimolar reaction product of an alcohol amine and an alkyl ester of a fatty acid; and,
(b) an ethoxylated fatty acid or derivative having a hydrocarbon chain length of about nine to about fifteen carbon atoms, said acid formed by reacting an unmodified fatty acid or derivative with ethylene oxide.
26. A fuel composition comprising:
(a) a hydrocarbon-based fuel having hydrocarbon chain lengths of about four to about thirty carbon atoms; and
(b) a polymeric fuel additive comprising the reaction product of:
(i) a mixture of an ethoxylated alcohol and an amide, said ethoxylated alcohol comprising at least about 75 weight percent of at least one linear straight-chain alcohol having a hydrocarbon chain length of about nine to about fifteen carbon atoms, and said amide being a substantially equimolar reaction product of an alcohol amine and an alkyl ester of a fatty acid; and,
(ii) an ethoxylated fatty acid or derivative having a hydrocarbon chain length of about nine to about fifteen carbon atoms.

1. A multicolor reagent formulation comprising:
(a) a plurality of fluorescently labeled detection reagents, wherein each of said plurality is distinctly labeled; and
(b) a plurality of single-color compensation control reagents, wherein said compensation control reagents consists of reagent-capture particles bound to one of said plurality of fluorescently labeled detection reagents.
2. The multicolor reagent formulation of claim 1, wherein said fluorescently labeled detection reagents comprise an analyte-specific reagent conjugated to a fluorescent label.
3. The multicolor reagent formulation of claim 1, wherein said fluorescently labeled detection reagents comprise an antibody conjugated to a fluorescent label.
4. The multicolor reagent formulation of claim 3, wherein said reagent-capture particles are particles having antibody-capture reagents bound to the surface of the particles.
5. The multicolor reagent formulation of claim 4, wherein said antibody-capture reagents are antibodies specific for an epitope present on the detection reagents.
6. The multicolor reagent formulation of claim 1, wherein said single-color compensation control reagents are chemically stabilized to prevent dissociation of the reagent-capture particles and the fluorescently labeled detection reagent during storage.
7. The multicolor reagent formulation of claim 6, wherein said single-color compensation control reagents are chemically stabilized by exposure to condition that result in the chemical cross-linking of proteins.
8. The multicolor reagent formulation of claim 5, wherein said single-color compensation control reagents are chemically stabilized to prevent dissociation of the reagent-capture particles and the fluorescently labeled detection reagent during storage.
9. The multicolor reagent formulation of claim 8, wherein said single-color compensation control reagents are chemically stabilized by exposure to condition that result in the chemical cross-linking of proteins.

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 implemented at least in part by a computer, the method comprising:
receiving a data access request from an application that has objects that conform to an object model of the application, the object model comprising a collection of objects through which the application is able to examine and manipulate application data;
based at least in part on an expression that associates a behavior of an object that conforms to the object model to at least one operation associated with an abstract data model, mapping the data access request into a set of one or more operations that operate on the abstract data model, the abstract data model indicating how data is represented and accessed from a data store; and
providing the one or more operations to a data access component to access data corresponding to the request from the data store.
2. The method of claim 1, comprising including, in the abstract data model, one or more of an entity type, a complex type, or a relationship.
3. The method of claim 1, comprising including, in the expression, one or more of a constant, variable, operator, function call, property, action, remote procedure call, or a service call.
4. The method of claim 1, comprising including, in the expression, a lambda expression.
5. The method of claim 1, comprising including, in the set of one or more operations, one or more of a constructor operator, a get property operator, a set property operator, a determine type operator, or a notification operator.
6. The method of claim 1, further comprising notifying the data access component of changes when the object is changed by the application.
7. The method of claim 1, further comprising registering the expression as a strategy that indicates actions to access any arbitrary property of the object.
8. The method of claim 1, the receiving a data access request from an application comprising receiving a query from the application, the query represented in a first query language, and the method further comprising using the expression to translate the query into a second query that operates against the abstract data model, the second query represented in a second query language.
9. The method of claim 1, further comprising inserting the data corresponding to the request into the object.
10. The method of claim 1, further comprising creating a new object and inserting the data corresponding to the request into the new object.
11. The method of claim 1, the providing the one or more operations to a data access component comprising sending instructions to a data access layer to persist data from the object to the data store.
12. The method of claim 1, the receiving a data access request from an application comprising receiving a request for a type of an object and further comprising based at least in part on the expression, obtaining the type.
13. An apparatus, comprising at least one processing unit and at least one computer-readable medium storing instructions executable by the at least one processing unit to facilitate implementation of:
an expression store operable to store and provide access to expressions that describe behaviors of objects that conform to an object model of an application, the object model comprising a collection of objects through which the application is able to examine and manipulate application data, the behaviors indicating actions to access data associated with the objects;
an abstract data model store operable to store and provide access to an abstract data model that indicates structure and relationships of data store data corresponding to the application data;
an expression aggregator operable to receive an expression that describes a behavior of an object that conforms to the object model and further operable to aggregate information about the behavior with other information about other behaviors, if any, of the object;
a mapping component operable to receive a request from the application to access data pertaining to the object and to map the request into one or more operations that operate on the abstract data model to obtain data from a data store based at least in part on aggregated information, if any, about behavior of the object.
14. The apparatus of claim 13, the mapping component comprising an object constructor operable to map the request into one or more operations that instantiate the object and to set properties based on data returned from the data store.
15. The apparatus of claim 13, the mapping component comprising a property getter operable to map the request into one or more operations that set properties based on data returned from the data store.
16. The apparatus of claim 15, the property getter being further operable to instantiate a new object and set properties thereon if the object described by the expression is immutable.
17. The apparatus of claim 13, the expression aggregator further being configured to register an expression expressed in terms of a declaration that identifies an object that exposes properties of the abstract data model, an entity or complex type understood by the application, and an indication of a service that keeps track of changes to business objects in terms of the abstract data model.
18. The apparatus of claim 15, the mapping component comprising a type determiner operable to return a type to the application based at least in part on data returned from the data store.
19. A computer storage medium having computer-executable instructions, which when executed perform actions, comprising:
from an application having objects that conform to an object model of the application, sending a request to access data corresponding to an object of the application to a mapper that maps the request into a set of one or more operations that operate on an abstract data model, the abstract data model indicating how data corresponding to the object is represented and accessed from a data store, the mapper mapping the request into the set of one or more operations that operate on the abstract data model based at least in part on an expression that associates a behavior of the object to at least one operation associated with the abstract data model, the object model comprising a collection of objects through which the application is able to examine and manipulate application data; and
at the application, receiving a response to the request, the response being conveyed in at least one object that conforms to the object model of the application.
20. The computer storage medium of claim 19, the sending a request to access data corresponding to an object of the application to a mapper comprising the application evaluating a query written in a query language other than a query language used by a database obtaining the data from the data store.