1. A thermally conductive silicone rubber composition comprising:
(A) an organopolysiloxane with the exception of below-given components (C) and (E);
(B) a thermally conductive filler;
(C) a composition selected from
(i) an organopolysiloxane represented by the following general formula:
R1aR2(3\u2212a)SiO(R1bR2(2\u2212b)SiO)m(R22SiO)ncSiR24\u2212(c+d)(OR3)d
(wherein R1 is a univalent hydrocarbon group with an aliphatic, unsaturated bonds, R2 may designate the same or different univalent hydrocarbon groups that do not have aliphatic, unsaturated bonds, R3 designates an alkyl group, alkoxyalkyl group, alkenyl group, or an acyl group; \u201ca\u201d is an integer between 0 and 3, \u201cb\u201d is 1 or 2, \u201cc\u201d is an integer between 1 and 3, \u201cd\u201d is an integer between 1 and 3; \u201c(c+d)\u201d is an integer between 2 and 4, \u201cm\u201d is an integer that is equal to or greater than 0, and \u201cn\u201d is an integer that is equal to or greater than 0; when \u201ca\u201d is 0, then \u201cm\u201d is an integer that is equal to or greater than 1);
(ii) an organopolysiloxane represented by the following general formula:
R43SiO(R42SiO)pR42Si\u2014R5\u2014SiR4(3\u2212d)(OR3)d
(wherein R3 is the same defined above, R4 represents the same or different univalent hydrocarbon groups, R5 represents an oxygen atom or a bivalent hydrocarbon group, \u201cp\u201d is an integer between 100 and 500, and \u201cd\u201d is the same defined above); or
(iii) a mixture of two or more of the above constituents (i) and (ii);
(D) a curing agent; and
(E) an organopolysiloxane composed of the following units: SiO42, R1R22SiO12, and R23SiO12 (wherein R1 and R2 are the same as defined above), with the proviso that component (E) is used in an amount of 2 to 10 mass % per sum of components (A) and (E).
2. The thermally conductive silicone rubber composition of claim 1, wherein said Component (B) has an average particle size within the range of 0.1 to 100 \u03bcm.
3. The thermally conductive silicone rubber composition of claim 1, wherein said Component (B) is an alumina powder.
4. The thermally conductive silicone rubber composition of claim 3, wherein the BET specific surface area of said Component (B) is equal to or below 5.0 m2g.
5. The thermally conductive silicone rubber composition of claim 3, wherein said Component (B) comprises a mixture of spherical alumina powder (B1) with an average particle size in the range of 1 to 30 \u03bcm (excluding 1 \u03bcm particles) and a spherical or irregular-shaped alumina powder (B2) with an average particle size in the range of 0.1 to 5 \u03bcm.
6. The thermally conductive silicone rubber composition of claim 5, wherein said Component (B) comprises 30 to 90 mass % of said constituent (B1) and 10 to 70 mass % of said constituent (B2).
7. The thermally conductive silicone rubber composition of claim 1, wherein said Component (B) is used in an amount of 300 to 2,500 parts by mass per 100 parts by mass of said Component (A).
8. The thermally conductive silicone rubber composition of claim 1, wherein said Component (C) is used in an amount of 0.1 to 10 parts by mass per 100 parts by mass of said Component (B).
9. The thermally conductive silicone rubber composition of claim 1, wherein said Component (B) is surface-treated with said Component (C) in said Component (A).
10. The thermally conductive silicone rubber composition of claim 1, wherein said thermally conductive silicone rubber composition is cured in a hydrosilylation reaction, condensation reaction, or by a free-radical reaction with the use of an organic peroxide.
11. A thermally conductive silicone rubber composition comprising:
(A) an organopolysiloxane with the exception of below-given components (C) and (E);
(B) an alumina powder as a thermally conductive filler having an average particle size within the range of 0.1 to 100 \u03bcm;
(C) a composition selected from
(i) an organopolysiloxane represented by the following general formula:
R1aR2(3\u2212a)SiO(R1bR2(2\u2212b)SiO)m(R22SiO)ncSiR24\u2212(c+d)(OR3)d
(wherein R1 is a univalent hydrocarbon group with an aliphatic, unsaturated bonds, R2 may designate the same or different univalent hydrocarbon groups that do not have aliphatic, unsaturated bonds, R3 designates an alkyl group, alkoxyalkyl group, alkenyl group, or an acyl group; \u201ca\u201d is an integer between 0 and 3, \u201cb\u201d is 1 or 2, \u201cc\u201d is an integer between 1 and 3, \u201cd\u201d is an integer between 1 and 3; \u201c(c+d)\u201d is an integer between 2 and 4, \u201cm\u201d is an integer that is equal to or greater than 0, and \u201cn\u201d is an integer that is equal to or greater than 0; when \u201ca\u201d is 0, then \u201cm\u201d is an integer that is equal to or greater than 1);
(ii) an organopolysiloxane represented by the following general formula:
R43SiO(R42SiO)pR42Si\u2014R5\u2014SiR4(3\u2212d)(OR3)d
(wherein R3 is the same defined above, R4 represents the same or different univalent hydrocarbon groups, R5 represents an oxygen atom or a bivalent hydrocarbon group, \u201cp\u201d is an integer between 100 and 500, and \u201cd\u201d is the same defined above); or
(iii) a mixture of two or more of the above constituents (i) and (ii);
(D) a curing agent; and
(E) an organopolysiloxane composed of the following units: SiO42, R1R22SiO12, and R23SiO12 (wherein R1 and R2 are the same as defined above), with the proviso that component (E) is used in an amount of 2 to 10 mass % per sum of components (A) and (E).
12. The thermally conductive silicone rubber composition of claim 11, wherein the BET specific surface area of said Component (B) is equal to or below 5.0 m2g.
13. The thermally conductive silicone rubber composition of claim 11, wherein said Component (B) comprises a mixture of spherical alumina powder (B1) with an average particle size in the range of 1 to 30 \u03bcm (excluding 1 \u03bcm particles) and a spherical or irregular-shaped alumina powder (B2) with an average particle size in the range of 0.1 to 5 \u03bcm.
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 duplicate detection circuit for a receiver, comprising:
a cyclic redundancy check (CRC) generator having an input for receiving frame header information, the CRC generator for generating a CRC value of the frame header information;
a control circuit having an input coupled to an output of the CRC generator, the control circuit having a first output, a second output, and a control input; wherein when the control input is not set, the control circuit outputs the CRC value at the first output; and when the control input is set, the control circuit outputs the CRC value at the second output;
a buffer having an input coupled to the first output of the control circuit, the buffer for storing at least a CRC value; and
a compare circuit having an input coupled to an output of the buffer and another input coupled to the second output of the control circuit, the compare circuit for comparing a CRC value output at the second output of the control circuit with at least a CRC value stored in the buffer, and outputting a duplicate indication when the compared CRC values match.
2. The duplicate detection circuit of claim 1, wherein the CRC values are 16-bit CRC values.
3. The duplicate detection circuit of claim 1, wherein the control input of the control circuit comprises a retry bit and frame-received bit; the retry bit indicating that the frame header information is of a frame that has been retransmitted; the frame-received bit indicating that the frame has been correctly received at the receiver.
4. The duplicate detection circuit of claim 3, wherein the control input is set when the retry bit and the frame-received bit are both set, and the control input is not set when the retry bit is not set.
5. The duplicate detection circuit of claim 1, wherein the frame header information comprises a transmission source identification number, a sequence index, and a stream number.