1. Within a 1553 data communication system having a primary data bus and a redundant data bus, an OFDM data communication overlay system comprising:
an OFDM bus controller terminal and an OFDM remote terminal, wherein each OFDM terminal includes:
an OFDM transmitter block connected to the primary bus and the redundant bus for sending OFDM signals;
an OFDM receiver block for receiving OFDM signals; and
an OFDM receive path selection block for selectively establishing a receive path between the primary data bus or the redundant data bus and the OFDM receiver block according to predefined receive path selection criteria,
wherein the OFDM signals are Power Spectral Density (PSD) configurable according to the topology of the 1553 data communication system and are configured to have a low PSD in a 1553b high energy frequency band and a substantially flat high PSD in a 1553b low energy frequency band.
2. The OFDMdata communication overlay system of claim 1, wherein the OFDM data communication system comprises a plurality of OFDM remote terminals communicating with the OFDM bus control terminal over one of the primary data bus and the redundant data bus.
3. The OFDM data communication overlay system of claim 1, wherein the 1553 data communication is according to MIL-STD-1553B communication standard.
4. The OFDM data communication overlay system of claim 1, wherein the 1553 data communication is according to Notice 2 of MIL-STD-1553B communication standard.
5. The OFDM data communication overlay system of claim 1, wherein said OFDM signals are bandwidth configurable according to channel conditions of the 1553 data communication system.
6. The OFDM data communication overlay system of claim 1, wherein said 1553b high energy band is from approximately 0 MHz to approximately 5 MHz.
7. The OFDM data communication overlay system of claim 1, wherein the OFDM signals have a substantially high flat PSD from approximately 5 MHz to a frequency approximately equal to or greater than 35 MHz.
8. The OFDM data communication overlay system of claim 1, wherein said receive path selection criteria include performance metrics of said OFDM signals on said buses.
9. The OFDM data communication overlay system of claim 8, wherein said performance metrics include one or more of Bit Error Rate (BER), Signal to Noise ratio (SNR), channel capacity metrics.
10. The OFDM data communication overlay system of claim 9, wherein the OFDM receive path selection unit monitors performance metrics of said OFDM signals periodically.
11. The OFDM data communication overlay system of claim 9, wherein the OFDM receive path selection unit further averages monitored performance metrics of said OFDM signals over predefined time intervals.
12. A 1553 data communication system comprising:
a primary data bus;
a redundant data bus;
A 1553 bus controller terminal and a plurality of 1553 remote terminal, each 1553 terminal comprising:
A 1553 Transmitter block;
an analog switch, for selectively connecting the 1553 transmitter block either to the primary bus or to the redundant bus according to a predefined receive path selection criteria and according to bus fault design;
a first 1553 receiver block for receiving 1553 signals from the primary bus, under no-bus fault conditions; and
A second 1553 receiver block for receiving signals from the redundant bus under bus-fault conditions;
an OFDM bus controller terminal and a plurality of OFDM remote terminals, each OFDM terminal comprising:
An OFDM transmitter block connected to the primary bus and the redundant bus for sending OFDM signals on the primary bus and on the redundant bus;
An OFDM receiver block; and
an OFDM receive path selection block for monitoring the performance of the primary bus and of the redundant bus and for establishing a receive path between the OFDM receiver block and either the primary bus or the redundant bus based on performance metrics.
13. The 1553 data communication system as in claim 12, wherein the OFDM signals are bandwidth configurable and PSD configurable OFDM signals, wherein the bandwidth and PSD of OFDM signals are configured according to channel conditions of the primary bus and of the redundant bus.
14. The 1553 data communication system as in claim 12, wherein the performance monitoring comprises periodically determining metric values, wherein metrics are selected from the group of SNR, BER, capacity and averaging said metric values over a predetermined time interval.
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 comprising:
preconditioning an area of skin of a subject intended to receive a chemical peel procedure by sequential topical application of a preparatory composition and a corrective composition to the area of skin.
2. A method as in claim 1 further comprising applying a protective composition after application of the corrective composition.
3. A method as in claim 1 further comprising waiting a predetermined period of time and repeating the preconditioning.
4. A method as in claim 1 further comprising performing a chemical peel procedure on the preconditioned area of skin.
5. A method comprising:
post-treating an area of skin of a subject that has previously been treated with a chemical peel procedure by sequential topical application of a preparatory composition and a corrective composition to the area of skin.
6. A method as in claim 5 further comprising applying a protective composition after application of the corrective composition.
7. A method as in claim 5 further comprising waiting a predetermined period of time and repeating the post-treating.
8. A method comprising:
preconditioning an area of skin of the subject intended to receive a chemical peel procedure by administering to the area of skin a first treatment and, after a predetermined period of time, a second treatment,
the first treatment comprising the sequential topical application of one or more preparatory compositions, a first corrective composition, and one or more protective compositions;
the second treatment comprising the sequential topical application of one or more preparatory compositions, and a second corrective composition,
wherein the second corrective composition comprises a first active ingredient sensitive to oxidation and a second active ingredient comprising a retinoid.
9. The method of claim 8 wherein the one or more preparatory compositions are selected from the group consisting of cleansers, toners and combinations thereof.
10. The method of claim 8 wherein the one or more protective compositions are selected from the group consisting of sunscreens, sun blocks, moisturizers and combinations thereof.
11. The method of claim 8 wherein the first corrective composition comprises an active ingredient that is sensitive to oxidation; a preservative; a chelating agent; an emulsifier; a humectant; a pH adjuster; an antioxidant; an emollient; a reducing agent and water.
12. The method of claim 8 wherein the first corrective composition comprises hydroquinone.
13. The method of claim 8 wherein the second corrective composition further comprises a preservative; a chelating agent; an emulsifier; a humectant; a pH adjuster; an antioxidant; an emollient; a reducing agent and water.
14. The method of claim 8 wherein the first active ingredient is hydroquinone.
15. The method of claim 8 further comprising the step of waiting at least four hours between the first treatment and the second treatment.
16. The method of claim 8 further comprising treating the skin with a chemical peel procedure.
17. The method of claim 16 further comprising
post-treating the skin of the subject treated with a chemical peel procedure by administering to the area of skin a first treatment and, after a predetermined period of time, a second treatment,
the first treatment comprising the sequential topical application of one or more preparatory compositions, a first corrective composition, and one or more protective compositions;
the second treatment comprising the sequential topical application of one or more preparatory compositions, and a second corrective composition,
wherein the second corrective composition comprises a first active ingredient sensitive to oxidation and a second active ingredient comprising tretinoin.
18. A method comprising
preconditioning an area of skin of the subject intended to receive a chemical peel procedure by administering to the area of skin a first treatment and, after a predetermined period of time, a second treatment,
the first treatment comprising the sequential topical application of a cleanser, a toner, a first corrective composition containing hydroquinone, and a protective composition;
the second treatment comprising the sequential topical application of a cleanser, a toner, a second corrective composition comprising hydroquinone and a retinoid; and
performing a chemical peel procedure on the preconditioned area of skin.
19. The method of claim 18 further comprising post-treating the area of skin subjected to the chemical peel procedure by administering to the area of skin a first treatment and, after a predetermined period of time, a second treatment,
the first treatment comprising sequential topical application of a cleanser, a toner, a first corrective composition containing hydroquinone, and a protective composition;
the second treatment comprising sequential topical application of a cleanser, a toner, a second corrective composition comprising hydroquinone and a retinoid.
20. The method of claim 18 wherein the first pre-conditioning treatment occurs in the morning.
21. The method of claim 20 wherein second pre-conditioning treatment occurs at least four hours after the first pre-conditioning treatment.
22. The method of claim 19 wherein the first post-treating treatment occurs in the morning.
23. The method of claim 22 wherein second post-treating treatment occurs at least four hours after the first post-treating treatment.
24. A skin treatment kit for use prior to a chemical peel procedure comprising:
a corrective composition;
at least one supplemental composition selected from the group consisting of preparatory compositions, protective compositions, and combinations thereof; and
instructions for pre-conditioning an area of skin by the ordered application of the corrective composition and the at least one supplemental compositions in preparation for a chemical peel procedure.
25. A kit as in claim 24 wherein the corrective composition comprises: an active ingredient that is sensitive to oxidation; a preservative; a chelating agent; an emulsifier; a humectant; a pH adjuster; an antioxidant; an emollient; a reducing agent and water
26. A kit as in claim 24 wherein the at least one supplemental composition is a preparatory composition selected from the group consisting of cleansers, toners and combinations thereof.
27. A kit as in claim 24 wherein the at least one supplemental composition is a protective composition selected from the group consisting of sunscreens, sun blocks and combinations thereof.
28. A kit comprising:
a preparatory composition;
a corrective composition;
a protective composition; and
instructions for pre-conditioning an area of skin in preparation for a chemical peel procedure by administering to the area of skin a first treatment and, after a predetermined period of time, a second treatment,
the first treatment comprising the sequential topical application of the preparatory composition, the corrective composition, and the protective composition;
the second treatment comprising the sequential topical application of the preparatory composition, and the corrective composition.
29. A skin treatment kit for use after a chemical peel procedure comprising:
a corrective composition;
at least one supplemental composition selected from the group consisting of preparatory compositions, protective compositions, and combinations thereof; and
instructions for post-treating an area of skin by the ordered application of the corrective composition and the at least one supplemental compositions after a chemical peel procedure.