Author: claimsbot

1. A blood plasma collecting flask made of plastic for the storage of blood plasma in the frozen state, comprising a flask body (1) which in the horizontal section has a cross-section with a rectangular basic shape and has on its upper side a flask neck (2), characterised in that the lateral faces of the flask body (2) respectively define a flat or slightly inwardly curved area (3) adjoining which are areas rounded towards the face surfaces.
2. The blood plasma collecting flask according to claim 1, characterised, in that the lateral faces of the flask body (2) respectively define a slightly inwardly curved area (3), the curvature having a maximum depth of 2 mm, in particular of 1.5 mm.
3. The blood plasma collecting flask according to claim 1, characterised in that the flat or slightly inwardly curved areas (3) have a hexagonal form the base sides (3a, 3b) of which lie on the crossover areas of the lateral faces to the upper side and lower side of the flask body (1).
4. The blood plasma collecting flask according to claim 3, characterised in that the flat or slightly curved areas (3) have a uniformly hexagonal form such that the corners (E) lying between the base sides (3a, 3b) are positioned approximately half way up the flask body (1).
5. The blood plasma collecting flask according to claim 3, characterised in that the sides of the hexagonal areas (3) lying between the base sides (3a, 3b) are slightly rounded.
6. The blood plasma collecting flask according to claim 1, characterised in that three adjustable feet (4) are provided on the lower side of the flask body (1).
7. The blood plasma collecting flask according to claim 1, characterised in that the flask body (1) has a number of reinforcing ridges (5) that extend around the flask body (1).
8. The blood plasma collecting flask according to claim 7, characterised in that the reinforcing ridges (5) act at least partially as filling height indicators.
9. The blood plasma collecting flask according to claim 7, characterised in that a total of four reinforcing ridges (5) are formed on the flask body (1), in particular two reinforcing ridges (5) being provided in the upper half of the flask body and two reinforcing ridges (5) being provided in the lower half of the flask body.
10. The blood plasma collecting flask made of plastic for the storage of blood plasma in the frozen state, comprising a flask body (1) which in the horizontal section has a cross-section with a rectangular basic shape and has on its upper side a flask neck (2), in particular according to any of the preceding claims, characterised in that connection points (7a, 7b) are provided on the upper side of the flask body (1) on opposite sides of the flask neck (2) and spaced apart from the latter to the side, of which one connection point (7a) is used for filling the flask body (1) with blood plasma, and the other connection point (7b) is used for ventilation and the taking of samples, and in that substantially L-shaped connectors (9) are provided at the connection points (7a, 7b), the one connector arm respectively being connected to the flask body (1), and the other connector arm being directed towards the flask neck (2) and bearing a tube (10) which extends over the flask neck (2).
11. The blood plasma collecting flask according to claim 10, characterised in that the connector arms facing away from the flask body (2) are aligned such that the tubes (10) connected to the latter are spaced apart from one another over the flask neck (2).
12. The blood plasma collecting flask according to claim 10, characterised in that a lid (11) is fixed or is fixable to the flask neck (2), and in particular to a covering plate (2a) closing the flask neck (2) on its upper side, and the lid (11) is designed such that in the fixed state it overlaps the sections of the tubes (10) projecting over the flask neck (2) and protects them against access from the outside.
13. The blood plasma collecting flask according to claim 12, characterised in that the lid (11) has notches (12) assigned to the tubes (10) and open towards the lower side of the lid which engage with the tube sections projecting over the flask neck (2) and are passed through by the latter when the lid (11) is fixed onto the flask neck.
14. The blood plasma collecting flask according to claim 12, characterised in that the lid has on the inside holding bars which overlap and position the tube sections projecting over the flask neck when the lid is fixed onto the flask neck.
15. The blood plasma collecting flask made of plastic for the storage of blood plasma in the frozen state, comprising a flask body (1) which has on its upper side a flask neck (2), a lid (11) being fixed or fixable onto the flask neck (2) and in particular onto a covering plate (2a) closing the flask neck (2) on its upper side, in particular according to claim 1, characterised in that a locking mechanism is provided by means of which the lid (11) is fixed onto the flask neck (2) and in particular onto the covering plate (2a) when the lid (11) is pushed onto the flask neck (2) from above, the locking mechanism having a first locking position in which the lid (11) can be released again from the flask neck (2), and a second locking position in which the lid (11) is pushed further onto the flask neck (2) than in the first locking position and in which the lid (11) is prevented from being released from the flask neck (2).
16. The blood plasma collecting flask according to claim 15, characterised in that lugs (13) are formed on the lower, open lid edge which, upon pushing the lid (11) onto the flask neck (2), engage with a holding bar formed on the flask neck (2), and in particular onto the outer edge region of the covering plate (2a), are elastically expanded, and when pushed on further spring back elastically and engage behind the holding bar thus establishing the first locking position.
17. The blood plasma collecting flask according to claim 15, characterised in that on the upper side of the flask neck (2), and in particular on the covering plate (2a), a bar (14) projecting perpendicularly and on the inside of the lid a retainer (15) corresponding to the bar (14) are formed which engage with one another when the lid (11) is pushed onto the flask neck (2), and that locking elements (16, 17) of the locking mechanism are formed on the bar (14) and the retainer (15) which engage with one another in the second locking position.
18. The blood plasma collecting flask according to claim 17, characterised in that a locking opening (16) is formed in the bar (14) in which a locking element (17) on the retainer side engages in the second locking position.
19. The blood plasma collecting flask made of plastic for the storage of plasma in the frozen state, having a flask body (1) which has on its upper side a flask neck (2), a lid (11) being fixed or being fixable onto the flask neck (2) and in particular onto a covering plate (2a) closing the flask neck (2) on its upper side, in particular according to claim 1, characterised in that holding elements, in particular holding clips (18), are provided on the lid (11), and in particular on the upper side of the lid, for releaseably attaching test tubes (19).
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 magnetic recording head, comprising:
a head body;
an energy source coupled to the head body;
a waveguide core disposed within the head body, wherein the waveguide core has a trapezoidal cross section when viewed from the air bearing surface, wherein the trapezoid has a first side having a first width and a second side having a second width that is less than the first width;
cladding material disposed at least partially around the waveguide core; and
a plasmonic metal element disposed adjacent the cladding material and the second side of the waveguide core.
2. The magnetic recording head of claim 1, wherein the waveguide core comprises Ge, Si, amorphous Si, GaAs, GZO (Gallium Zinc Oxide), GaP, ITO, TiO2, TeO2, GaN, ZrO2, AlN, Ta2O5, Al2O3 and AlSb.
3. The magnetic recording head of claim 1, wherein the plasmonic metal element comprises Au, Ag, Cu or alloys thereof.
4. The magnetic recording head of claim 1, wherein the first side has a width of between about 90 nm and about 1 micron.
5. The magnetic recording head of claim 1, wherein the second side has a width of greater than 0 nm and up to about 200 nm.
6. The magnetic recording head of claim 1, wherein the plasmonic metal element has a width that is greater than the width of the second side.
7. The magnetic recording head of claim 1, wherein the cladding material comprises AlAs, Al2O3, borosilicate glass, fluoride glass and SiO2.
8. A hard disk drive, comprising:
a magnetic media; and
a magnetic recording head disposed opposite the magnetic media, wherein the magnetic recording head comprises:
a head body;
an energy source coupled to the head body;
a waveguide core disposed within the head body, wherein the waveguide core has a trapezoidal cross section when viewed from the air bearing surface, wherein the trapezoid has a first side having a first width and a second side having a second width that is less than the first width;
cladding material disposed at least partially around the waveguide core; and
a plasmonic metal element disposed adjacent the cladding material and the second side of the waveguide core.
9. The hard disk drive of claim 8, wherein the waveguide core comprises Ge, Si, amorphous Si, GaAs, GZO (Gallium Zinc Oxide), GaP, ITO, TiO2, TeO2, GaN, ZrO2, AlN, Ta2O5, Al2O3 and AlSb.
10. The hard disk drive of claim 8, wherein the plasmonic metal element comprises Au, Ag, Cu or alloys thereof.
11. The hard disk drive of claim 8, wherein the first side has a width of between about 90 nm and about 1 micron.
12. The hard disk drive of claim 8, wherein the second side has a width of greater than 0 nm and up to about 200 nm.
13. The hard disk drive of claim 8, wherein the plasmonic metal element has a width that is greater than the width of the second side.
14. The hard disk drive of claim 8, wherein the cladding material comprises AlAs, Al2O3, borosilicate glass, fluoride glass and SiO2.
15. A method of making a magnetic recording head, comprising:
depositing cladding material on a substrate;
depositing waveguide core material on the cladding material;
etching the waveguide core material to form a waveguide core, wherein the waveguide core has a trapezoidal cross section when viewed from an air bearing surface, wherein the trapezoid has a first side having a first width and a second side having a second width that is less than the first width; and
depositing a plasmonic metal element adjacent the cladding material and the second side of the waveguide core.
16. The method of claim 15, wherein the waveguide core comprises Ge, Si, amorphous Si, GaAs, GZO (Gallium Zinc Oxide), GaP, ITO, TiO2, TeO2, GaN, ZrO2, AlN, Ta2O5, Al2O3 and AlSb.
17. The method of claim 15, wherein the plasmonic metal element comprises Au, Ag, Cu or alloys thereof.
18. The method of claim 15, wherein the first side has a width of between about 90 nm and about 1 micron.
19. The method of claim 15, wherein the second side has a width of greater than 0 nm and up to about 520 nm.
20. The method of claim 15, wherein the plasmonic metal element has a width that is greater than the width of the second side.

1. A method of detecting anomalies in a communication system, comprising:
providing a first packet flow portion and a second packet flow portion;
extracting samples of a symbolic packet feature associated with traffic status of the first and second packet flow portions;
computing from said extracted samples a first statistical concentration quantity and a second statistical concentration quantity of the symbolic feature associated with the first and second packet flow portions, respectively, wherein computing said first and second statistical concentration quantities comprises:
computing a sample number representing the number of samples associated with one of said first and second packet flow portions;
computing relative frequencies;
computing quadratic values from said relative frequencies; and
computing a quadratic concentration measure, wherein the quadratic concentration measure comprises a sum of the quadratic values;

computing from said concentration quantities a variation quantity representing a concentration change from the first packet flow portion to the second packet flow portion,
comparing the variation quantity with a comparison value; and
detecting an anomaly in the system in response to said comparison.
2. The detection method of claim 1, wherein:
said first statistical concentration quantity is a first concentration measure of an estimated probability distribution of the extracted samples associated with the first packet flow portion; and
said second statistical concentration quantity is a second concentration measure of an estimated probability distribution of the extracted samples associated with the second packet flow portion.
3. The detection method of claim 2, wherein the symbolic packet feature assumes values in a set of values and computing each of said first and second concentration quantities comprises:
computing a sample number representing the number of samples associated with one of said first and second flow portion;
computing an absolute frequency value representing a number of times a value belonging to said set is achieved; and
computing relative frequencies of all values belonging to the set of values.
4. The detection method of claim 2, wherein the symbolic packet feature assumes values in a set of values and computing each of said first and second concentration measures comprising:
computing a sample number representing a number of samples associated with one of said first and second flow portions;
computing an effective number representing a total number of values achieved in said set; and
computing a difference quantity from a difference between said sample number and said effective number.
5. The detection method of claim 1, wherein said variation quantity is related to a difference between the first statistical concentration quantity and the second statistical concentration quantity.
6. The detection method of claim 1, wherein providing said first and second packet flow portions comprises:
defining a first time window comprising the first packet flow portion and an associated first sample segment of the symbolic feature; and
defining a second time window comprising the second flow portion and an associated second sample segment of the symbolic feature,
wherein said first statistical concentration quantity and said second statistical concentration quantity are computed from the first and second sample segments, respectively.
7. The detection method of claim 6, wherein the first and second windows have a same time length.
8. The detection method of claim 6, further comprising, after a time interval equal to a delay:
defining further first and second windows by sliding the first and second windows by said delay; and
repeating the method to detect an anomaly applying the method to further first and second packet flow portions corresponding to said further first and second windows, respectively.
9. The detection method of claim 6, wherein the first sample segment comprises an initial part of the second sample segment, the second sample segment comprising an end part which is separate from the first segment.
10. The detection method of claim 9, further comprising, after a time interval equal to the delay:
defining further first and second sample segments by sliding the first and second sample segments by said delay; and
repeating the method to detect an anomaly applying the method to further first and second sample segments.
11. The detection method of claim 1, wherein extracting samples of a symbolic feature comprises:
extracting samples of a numerical feature; and
converting said samples of a numerical feature into said samples of a symbolic feature.
12. The detection method of claim 11, wherein extracting samples of a numerical feature comprises selecting the numerical feature among a plurality of features comprising:
packet size in bytes;
total number of packets in a time interval of length;
total number of layer 3 bytes in a time interval of length;
average packet size in a time interval of length, expressed in bytes;
packet rate in a time interval of length; and
byte rate in a time interval of length.
13. The detection method of claim 1, further comprising:
extracting further samples of a further symbolic packet feature associated with the first and second packet flow portions;
computing from said further samples additional statistical concentration quantities of said further symbolic feature; and
computing a further variation quantity representing another concentration change from the first packet flow portion to the second packet flow portion.
14. The detection method of claim 13, wherein computing from said concentration quantities a variation quantity representing a concentration change from the first packet flow portion to the second packet flow portion comprises:
computing a first variation quantity from said concentration quantities; and
combining the first variation quantity and the further variation quantity to obtain said variation quantity.
15. The detection method of claim 13, wherein comparing the variation quantity with a comparison value further comprises:
comparing the further variation quantity with a further comparison value; and
detecting an anomaly in the system in response to said comparison of the further variation quantity with the further comparison value.
16. The detection method of claim 1, further comprising:
extracting samples of a numeric packet feature associated with the first and second packet flow portions,
wherein detecting an anomaly in the system in response to said comparison comprises:
monitoring statistical behavior of said numeric packet feature associated with the first and second packet flow portions.
17. The detection method of claim 1, further comprising:
aggregating samples of a symbolic packet feature in elementary time intervals; and
applying the method to aggregated samples.
18. The detection method of claim 1, further comprising:
selecting the comparison value from a fixed value, a variable value, an adaptive value, or a value depending on historical traffic data.
19. The detection method of claim 1, wherein a detected anomaly is due to at least one of the following causes: a failure of a communication system element and an attack.
20. A non-transitory computer-readable medium storing a computer program product comprising program codes that, when executed, perform the detection method of claim 1.
21. An apparatus for detecting anomalies in a packet switched communication system, comprising:
a collection module configured to store samples of a symbolic feature associated with a traffic status of a first packet flow portion and a second packet flow portion;
a computing module configured to:
compute from said samples a first statistical concentration quantity and a second statistical concentration quantity of the symbolic feature associated with the first and second packet flow portions, respectively, wherein computing said first and second statistical concentration quantities comprises:
computing a sample number representing the number of samples associated with one of said first and second packet flow portions;
computing relative frequencies;
computing quadratic values from said relative frequencies; and
computing a concentration measure, wherein the measure comprises a sum of the quadratic values; and

compute from said concentration quantities a variation quantity representing a concentration change from the first packet flow portion to the second packet flow portion; and

a detection module configured to:
compare the variation quantity with a comparison value; and
detect an anomaly in the system in response to said comparison.
22. The apparatus of claim 21, further comprising a flow aggregation module capable of grouping numerical packet feature values of different network flows according to selected packet parameters.
23. A packet switched communication system comprising:
an extractor module capable of extracting samples of a symbolic packet feature associated with a traffic status of a first packet flow portion and a second packet flow portion; and
an apparatus capable of detecting anomalies connected to said extractor module and arranged in accordance with the apparatus of claim 21.
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. An apparatus for marking traffic lanes comprising an upright flexible marker (10) connected to a mounting base (18, 24), said apparatus having means providing free movement of flexible marker (10) in any direction relative to mounting base (18, 24).
2. The apparatus of claim 1 wherein said means for providing free movement in any direction comprises flexible hinge (22) which is capable of bending at about 90\xb0 relative to the upright position 360\xb0 around mounting base (18, 24).
3. The apparatus of claim 2 wherein said hinge comprises an upper potion (26), a mid portion (28) and a bottom portion (30), wherein mid portion (28) is a reduced diameter flexion point.
4. The apparatus of claim 3 wherein marker (10) is adapted to fit over upper portion (26) of flexible hinge (22).
5. The apparatus of claim 3 wherein said flexible hinge (22) comprises a polyester based urethane elastomer.
6. The apparatus of claim 1 wherein said mounting base (18) comprises sides (32), a top (48), mandrel (44) and recess (46) for receiving a flexible hinge (22).
7. The apparatus of claim 6 wherein flexible hinge (22) is held in place using pin (62).
8. The apparatus of claim 1 wherein mounting base (18) comprises a shell of break resistant material having a crush resistant reinforcing structure.
9. The apparatus of claim 8 wherein mounting base (18) comprises acrylonitrile butadiene styrene.
10. A flexible hinge for a channelizer (40) comprising an upper potion (26), a mid portion (28) and a bottom portion (30), wherein mid portion (28) is a reduced diameter flexion point.
11. The apparatus of claim 10 wherein a shoulder (38) and a shelf (42) provide reference points for alignment of marker (10) and a mandrel (44).
12. The apparatus of claim 10 wherein said flexible hinge (22) comprises a polyester based urethane elastomer.
13. A mounting base (18) comprising sides (32), a top (48), and a recess (46) centrally located in top (48), said recess containing a mandrel (44) for receiving a flexible hinge (22).
14. The mounting base of claim 13 wherein a flexible hinge (22) is held in place using pin (62) passing through mounting base (18) and flexible hinge (22).
15. The mounting base of claim 13 wherein said mounting base (18) comprises a shell of break resistant material having a crush resistant reinforcing structure.
16. The apparatus of claim 13 wherein mounting base (18) comprises acrylonitrile butadiene styrene.