초록 ▼

A lid for a casket includes a cover including longitudinally spaced-apart first and second end edges, transversely spaced-apart first and second side edges, and a dome extending between the first and second side edges and between the first and second end edges, and an end cap including an end panel

A lid for a casket includes a cover including longitudinally spaced-apart first and second end edges, transversely spaced-apart first and second side edges, and a dome extending between the first and second side edges and between the first and second end edges, and an end cap including an end panel and a rim appended to the end panel. The end cap is coupled to the cover adjacent to the first end edge. The rim extends from the end panel to cover a portion of the cover adjacent to the first end edge.

대표청구항 ▼

A lid for a casket includes a cover including longitudinally spaced-apart first and second end edges, transversely spaced-apart first and second side edges, and a dome extending between the first and second side edges and between the first and second end edges, and an end cap including an end panel

A lid for a casket includes a cover including longitudinally spaced-apart first and second end edges, transversely spaced-apart first and second side edges, and a dome extending between the first and second side edges and between the first and second end edges, and an end cap including an end panel and a rim appended to the end panel. The end cap is coupled to the cover adjacent to the first end edge. The rim extends from the end panel to cover a portion of the cover adjacent to the first end edge. ions in the cable plant; analyzing the frequency channel of interest thereby creating a plurality of analysis points at different frequencies within the frequency channel of interest; identifying a clean bandwidth for transmitting data within the frequency channel of interest wherein the clean bandwidth is derived from a set of analysis points from the plurality of analysis points within the frequency channel; and instructing the one or more cable modems in the cable plant to constrain their data transmissions to the clean bandwidth within the frequency channel of interest. 2. A method as recited in claim 1 wherein receiving data at a cable modem termination system on a frequency channel of interest further comprises narrowing a broader frequency channel to derive the frequency channel of interest. 3. A method as recited in claim 2 further comprising determining that the broader frequency channel is unreliable for accurate data transmission. 4. A method as recited in claim 3 further comprising examining a bit error rate associated with the data being transmitted on the broader frequency channel. 5. A method as recited in claim 2 further comprising receiving the broader frequency channel at an upstream receiver located in the cable modem termination system. 6. A method as recited in claim 1 wherein receiving data at a cable modem termination system on a frequency channel of interest further comprises: digitizing the data; and routing the data on the frequency channel of interest to a narrow bandwidth detector. 7. A method as recited in claim 1 wherein analyzing the frequency channel of interest thereby creating a plurality of analysis points within the frequency channel of interest further comprises configuring an FPGA to perform an FFT. 8. A method as recited in claim 1 wherein identifying a clean bandwidth for transmitting data within the frequency channel of interest further comprises: comparing a noise level of an analysis point to a predetermined noise level; and incrementing a counter if the noise level of the analysis point is below the predetermined noise level. 9. A method as recited in claim 8 further comprising saving a value corresponding to the counter and resetting the counter if the noise level of the analysis point is above the predetermined noise level thereby storing one or more values corresponding to the counter. 10. A method as recited in claim 9 further comprising determining the largest value from the one or more values corresponding to the counter. 11. A method as recited in claim 10 further comprising deriving the clean bandwidth from the largest value of the one or more values corresponding to the counter. 12. A method as recited in claim 11 wherein deriving the clean bandwidth further comprises taking the product of the largest value of the one or more values corresponding to the counter and the width of an analysis point. 13. A method as recited in claim 1 wherein instructing one or more cable modems in the cable plant to use the clean bandwidth to transmit data further comprises adjusting a symbol rate of an upstream receiver to reflect the clean bandwidth. 14. A method as recited in claim 1 wherein the set of analysis points includes contiguous analysis points such that each contiguous analysis point has a noise level that meets a predetermined criteria. 15. A method as recited in claim 1 wherein the analysis performed is a Fast Fourier Transform and an analysis point is an FFT point. 16. A method of identifying a usable bandwidth in a noisy frequency channel capable of transmitting data using one of a first modulation scheme and a second modulation scheme, the method comprising: (a) performing an FFT on the noisy frequency channel thereby creating a plurality of FFT points and deriving a plurality of noise level measurements, each one of the noise level measurements corresponding to an FFT point from the plurality of FFT points; (b) comparing a noise level measurement from the plurality of noise level measurements to a first noise threshold associated with a first modulation scheme and incrementing a first counter associated with the first modulation scheme and a second counter associated with a second modulation scheme if the noise level measurement is less than the first noise threshold; (c) comparing the noise level measurement to the second noise threshold and incrementing the second counter if the noise level measurement is less than the second noise threshold; (d) repeating steps (b) and (c) until each noise level measurement from the plurality of noise level measurements has been compared to the first noise threshold and to the second noise threshold; and (e) determining whether to use the first modulation scheme or the second modulation scheme from comparing the first counter with the second counter. 17. A method as recited in claim 16 wherein the FFT is a 32-point FFT. 18. A method as recited in claim 16 wherein comparing a noise level measurement to a first noise threshold further comprises: saving the first counter; and resetting the first counter to an initial value if the noise level measurement is greater than the first noise threshold. 19. A method as recited in claim 16 wherein comparing the noise level measurement to the second noise threshold further comprises: saving the second counter; and resetting the second counter to an initial value if the noise level measurement is greater than the second noise threshold. 20. A method as recited in claim 16 wherein the first noise threshold is based on the QPSK modulation scheme and the second noise threshold is based on the QAM16 modulation scheme. 21. A method as recited in claim 16 wherein determining whether to use the first modulation scheme or the second modulation scheme from comparing the first counter with the second counter further comprises: identifying the largest first counter and the largest second counter; and comparing a multiple of the largest first counter to the largest second counter. 22. A method as recited in claim 21 wherein the first counter is associated with the QPSK modulation scheme and the second counter is associated with the QAM16 modulation scheme and the multiple is two. 23. A method as recited in claim 22 wherein determining whether to use the first modulation scheme or the second modulation scheme from comparing the first counter with the second counter further comprises: using the first modulation scheme if twice the largest first counter is greater than the largest second counter; and using the second modulation scheme if twice the largest first counter is less than the largest second counter. 24. A method as recited in claim 16 wherein deriving a usable bandwidth based on one of the first counter and the second counter and the width of an FFT point further comprises taking the product of the width of an FFT point and one of the first counter and the second counter. 25. A method as recited in claim 16 further comprising deriving a usable bandwidth based on one of the first counter and the second counter and the width of an FFT point. 26. A system for detecting a usable bandwidth within a frequency channel, the system comprising: a processor; and a narrow bandwidth detector comprising: a memory; a processor interface; and a data processor configured to perform an FFT on a signal carried on the frequency channel which is designated for upstream transmissions in a cable plant, thereby creating a set of FFT points within the frequency channel wherein a subset of contiguous FFT points from the set of FFT points is identified as being a clean usable bandwidth for transmitting data, the data processor also being configured to instruct one or more cable modems using the frequency channel in the cable plant to constrain their data transmissions to the clean bandwidth within the frequency channel. 27. A system as recited in claim 26 further comprising a filter for narrowing