1460757307-cf3f0178-1d32-492b-86c5-f2927dac3bb6

1. A flight recording system in an aircraft comprising:
recording means destined to record conversations and audio communications,
audio management means destined to provide recording means with signals output from the audio environment in the cockpit, and
a box containing said recording means and said management means.
2. The system according to claim 1, wherein said recording means and said management means are combined together to form a single unit materialized by said box.
3. The system according to claim 1, wherein said box comprises:
a memory to store recorded data, said memory being protected by a casing) resistant to shocks, fire and immersion, first and second end systems adapted to be connected to first and second aircraft networks respectively,
first and second digital sound links, each of said links being adapted to be connected to a set of audio channels comprising a first channel for the pilot, a second channel for the co-pilot, a third channel for the third occupant, and a fourth channel for the audio environment in the cockpit,
first and second digital signal processing means connected to the first and second end systems respectively and to the first and second digital sound links, said first and second processing means being configured to manage and process data and signals passing through the first and second end means and through the first and second digital sound links,
a calculation means providing the interface between said memory and said first and second processing means, said calculation means being configured to compress data to be recorded and to adapt corresponding signals before recording them in said memory, and
electrical power supply means designed to provide appropriate voltages to the different means in the box.
4. The system according to claim 3, wherein the first processing means are dedicated to pilot conversations and communications, while the second processing means are dedicated to co-pilot conversations and communications.
5. The system according to claim 3, wherein the first and second processing means are adapted to manage radio communication and radio navigation functions.
6. The system according to claim 3, wherein the first and second processing means and the calculation means are adapted to manage and record data messages received from the first and second networks through the first and second end systems in the memory.
7. The system according to claim 1, wherein said box is provided with reversible attachment means on the aircraft.
8. The system according to claim 1, wherein the box is compatible with the ARINC 600 standard.
9. The system according to claim 1, wherein the box is compatible with the ARINC 404 standard.
10. An aircraft comprising a recording system according to claim 1, wherein a first box containing said recording means and said management means is installed in an avionics rack and a second box containing said recording means and said management means is installed in an aft part of the aircraft.

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 device for generating and detecting coherent electromagnetic radiation (8) in the THz frequency range, comprising an optically parametric oscillator (2) for generating electromagnetic radiation in the THz frequency range (8), characterised in that it has a coherent phase-sensitive detector (3, 21) for detecting intensity and phase of the electromagnetic radiation (8) generated by the optically parametric oscillator (2).
2. A device according to claim 1 characterised in that it has a source (1) for generating an electromagnetic pump radiation (12) at a first frequency, wherein the source (1) for generating the electromagnetic pump radiation (12), the optically parametric oscillator (2) and the coherent phase-sensitive detector (3, 21) are so adapted that in operation of the device at least a part of the pump radiation (12) is passed into the optically parametric oscillator and a part of the pump radiation is passed into the coherent phase-sensitive detector (3, 21).
3. A device according to claim 1 or claim 2 characterised in that the optically parametric oscillator (2) and the coherent phase-sensitive detector (3, 21) are so adapted that in operation of the device at least a part of the electromagnetic pump radiation (12) which passes through the optically parametric oscillator (2) is passed into the coherent phase-sensitive detector (3, 21), wherein in the optically parametric oscillator (2) electromagnetic radiation at a second frequency different from the frequency of the pump radiation (12) and from the THz frequency is generated and wherein the optically parametric oscillator (2) and the coherent phase-sensitive detector (3, 21) are so adapted that in operation of the device the electromagnetic radiation at the second frequency is passed into the phase-sensitive detector (3, 21).
4. A device according to one of claims 1 to 2 characterised in that it has a source (20) for generating electromagnetic radiation at a second frequency, wherein the source (20) for generating the electromagnetic radiation at the second frequency, the optically parametric oscillator (2) and the coherent phase-sensitive detector (3, 21) are so adapted that in operation of the device a first part of the electromagnetic radiation at the second frequency is passed into the optically parametric oscillator (2) and a second part of the electromagnetic radiation at the second frequency is passed into the coherent phase-sensitive detector (3, 21).
5. A device according to one of claims 1 to 2 characterised in that the coherent phase-sensitive detector (21) has a matrix arrangement of pixels.
6. A device according to one of claims 1 to 2 characterised in that the coherent phase-sensitive detector is an electrooptical detector (2).
7. A device according to one of claims 1 to 2 characterised in that the coherent phase-sensitive detector is a photoconductive detector (3).
8. A THz spectroscopy system having a device according to one of claims 1 to 2.
9. An imaging THz system having a device according to one of claims 1 to 2.
10. A method of generating and detecting coherent electromagnetic radiation in the THz frequency range, wherein an optically parametric oscillator is used for generating the electromagnetic radiation in the THz frequency range, characterised in that a coherent phase-sensitive detector is used for detecting intensity and phase of the electromagnetic radiation generated by the optically parametric oscillator.

1460757298-a099ef17-eb0c-42cb-8a0c-2608843b270f

1. A composition of matter of the Formula Z+A\u2212, wherein Z+ is a cation of the formula below:
wherein R7, R8, R9, and R10 are independently selected from the group consisting of:
i. \u2014CH3, \u2014C2H5, or C3 to C25 straight-chain, branched or cyclic alkane or alkene, optionally substituted with at least one member selected from the group consisting of Cl, Br, F, I, OH, NH2 and SH;
ii. \u2014CH3, \u2014C2H5, or C3 to C25 straight-chain, branched or cyclic alkane or alkene comprising one to three heteroatoms selected from the group consisting of O, N and S, and optionally substituted with at least one member selected from the group consisting of Cl, Br, F, I, OH, NH2 and SH;
iii. C6 to C25 unsubstituted aryl or C6 to C25 unsubstituted heteroaryl having one to three heteroatoms independently selected from the group consisting of O, N and S; and
iv. C6 to C25 substituted aryl or C6 to C25 substituted heteroaryl having one to three heteroatoms independently selected from the group consisting of O, N and S; and wherein said substituted aryl or substituted heteroaryl has one to three substituents independently selected from the group consisting of
(1) \u2014CH3, \u2014C2H5, or C3 to C25 straight-chain, branched or cyclic alkane or alkene, optionally substituted with at least one member selected from the group consisting of Cl, Br, F, I, OH, NH2 and SH,
(2) OH,
(3) NH2, and
(4) SH; and wherein
optionally at least two of R7, R8, R9, and R10 can together form a cyclic or bicyclic alkanyl or alkenyl group;
and A\u2212 is an anion selected from the group consisting of Formulae 1, II and III:
wherein:
R11 is selected from the group consisting of:
(1) halogen;
(2) \u2014CH3, \u2014C2H5 or C3 to C15 straight-chain or branched alkane or alkene, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(3) \u2014OCH3, \u2014OC2H5 or C3 to C15 straight-chain or branched alkoxy, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(4) C1 to C15 straight-chain or branched fluoroalkyl, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(5) C1 to C15 straight-chain or branched fluoroalkoxy, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(6) C1 to C15 straight-chain or branched perfluoroalkyl; and
(7) C1 to C15 straight-chain or branched perfluoroalkoxy;
wherein:
R12 is selected from the group consisting of:
(1) \u2014CH3, \u2014C2H5 or C3 to C15 straight-chain or branched alkoxy, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(2) C1 to C15 straight-chain or branched fluoroalkoxy, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH; and
(3) C1 to C15 straight-chain or branched perfluoroalkoxy; and
wherein:
R13 is selected from the group consisting of:
(1) halogen;
(2) \u2014CH3, \u2014C2H5 or C3 to C15 straight-chain or branched alkane or alkene, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(3) \u2014OCH3, \u2014OC2H5 or C3 to C15 straight-chain or branched alkoxy, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(4) C1 to C15 straight-chain or branched fluoroalkyl, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(5) C1 to C15 straight-chain or branched fluoroalkoxy, optionally substituted with at least one member selected from the group consisting of Cl, Br, I, OH, NH2 and SH;
(6) C1 to C15 straight-chain or branched perfluoroalkyl; and
(7) C1 to C15 straight-chain or branched perfluoroalkoxy.
2. The composition of claim 1 wherein the anion is 1,1,2,2-tetrafluoroethanesulfonate; 2-chloro-1 ,1 ,2-trifluoroethanesulfonate; 1,1,2,3,3,3-hexafluoropropanesulfonate; 1,1,2-trifluoro-2-(trifluoromethoxy)ethanesulfonate; 1,1,2-trifluoro-2-(pentafluoroethoxy)ethanesulfonate; 2-(1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoroethanesulfonate; 2-(1,1,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoroethanesulfonate; 2-(1,1,2,2-tetrafluoro-2-iodoethoxy)-1,1,2,2-tetrafluoroethanesulfonate; 1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethanesulfonate; N,N-bis(1,1,2,2-tetrafluoroethanesulfonyl)imide; or N,N-bis(1 ,1 ,2,3,3,3-hexafluoropropanesulfonyl)imide.
3. The composition of claim 1 wherein Z+ is phosphonium; and A\u2212 is 1,1,2,2-tetrafluoroethanesulfonate, 2-chloro-1,1,2-trifluoroethanesulfonate, 1,1,2,3,3,3-hexafluoropropanesulfonate, 1,1,2-trifluoro-2-(trifluoromethoxy)ethanesulfonate, 1,1,2-trifluoro-2-(pentafluoroethoxy)ethanesulfonate, 2-(1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoroethanesulfonate, 2-(1,1 ,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoroethanesulfonate, 2-(1,1,2,2-tetrafluoro-2-iodoethoxy)-1,1,2,2-tetrafluoroethanesulfonate, 1,1,2,2-tetrafluoro-2-(pentafluoroethoxy)ethanesulfonate, N,N-bis(1,1,2,2-tetrafluoroethanesulfonyl)imide, or N,N-bis(1 ,1 ,2,3,3,3-hexafluoropropanesulfonyl)imide.
4. The composition of claim 1 wherein said composition is tetradecyl (tri-n-hexyl )phosphonium 1,1,2-trifluoro-2-(perfluoroethoxy)ethanesulfonate, tetradecyl(tri-n-butyl)phosphonium 1,1,2,3,3,3-hexafluoropropanesulfonate, tetradecyl(tri-n-hexyl)phosphonium 1,1,2-trifluoro-2-(trifluoromethoxy)ethanesulfonate, (3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)-trioctylphosphonium 1,1,2,2-tetrafluoroethanesulfonate, or tetrabutylphosphonium 1,1,2-trifluoro-2-(perfluoroethoxy)ethanesulfonate.

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 deck comprising:
a. at least two separated joists;
b. a plurality of planks each of which:
i. is disposed above and supported by the joists;
ii. has an undersurface which:
1) is juxtaposed with the joists; and
2) has at least one longitudinal slice formed therein; and

iii. is secured to the joists; and

c. a plurality of unitary channels each of which includes a central section with a pair of flanges respectively extending along opposite edges of the central section, the central section of each channel being adapted to rest upon a joist, each flange extending upward from the central section of the channel to mate with the longitudinal slice formed into the undersurface of an adjacent plank,
whereby, when flanges are respectively disposed in slices respectively formed into undersurfaces of planks and central sections of channels and planks are supported by joists, channels span between a pair of immediately adjacent planks thereby providing an impervious gutter therebetween.
2. The deck of claim 1 wherein the planks are solid and longitudinal slices are respectively cut into the undersurface of planks to receive flanges of channels.
3. The deck of claim 2 wherein the material of the channels is selected from a group that consists of galvanized sheet metal, stainless steel, aluminum and polycarbonate plastic.
4. The deck of claim 1 wherein
the flanges extending away from opposite edges of the central section of each channel diverge, and
each longitudinal slice formed into the undersurface of each plank is angled with respect to the undersurface of the plank to accommodate a diverging flange.
5. The deck of claim 2 wherein said planks are formed by a solid plastic wood-alternative material.
6. The deck of claim 1 wherein at least one channel has at least one end that is located in the interior of the deck, the deck further comprising a trough-shaped collection gutter formed from sheet material that is disposed under the end of the channel for receiving runoff water therefrom.
7. The deck of claim 6 wherein the sheet material forming the collection gutter is selected from a group that consists of galvanized sheet metal, stainless steel, aluminum and polycarbonate plastic.
8. The deck of claim 2 wherein said planks are formed by wood.