1. An optical channel data unit (ODU) switch, comprising:
a set of two or more client cards;
a set of two or more line cards; and
a set of two or more switch cards, wherein each switch card is connected to all client cards, all line cards, and all other switch cards, and wherein each client card, line card and switch card includes control logic for managing an operation of the ODU switch in a distributed manner, and wherein a reliability of a kth switch path is expressed as a weighted summation of all inputs dk=\u03a3(wk,j Lk,j)+W0L0 for the set of two or more switch cards, where wk,j is a weight for a jth condition indicator of a kth path, Lk,j is a jth condition indicator of the kth path, W0 is a weight for an other switch card, and L0 is a condition of the other switch card.
2. The ODU switch of claim 1, wherein the switch cards operate concurrently and independently.
3. The ODU switch of claim 1, wherein each switch card maintains a state of the ODU switch, and wherein each switch card reports the state to other switch cards.
4. The ODU switch of claim 3, wherein state transitions of the ODU switch are based on input messages, and associated actions.
5. The ODU switch of claim 1, wherein each client card or line card receives a command from each switch card, and only processing the command that has a highest reliability.
6. The ODU switch of claim 5, wherein the control logic selects an input from the one of the switch cards to connect to an output, based on the command.
7. The ODU switch of claim 1, wherein each client card sends and receives data to and from all switch cards.
8. The ODU switch of claim 1, wherein the client cards are replaced by line cards.
9. The ODU of claim 1, wherein a control card reads a state of the control logic, and updates the state of the control logic.
10. The ODU switch of claim 1, further comprising:
aligning inputs in time from different switch cards in time at the client and line cards.
11. The ODU switch of claim 1, wherein inputs to the ODU switch are buffered at the client and line cards so no data are lost after a failure.
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 printing bridge configured to accommodate in a precise manner a jet print head; wherein the jet print head comprises first jet nozzles for injecting a first type jettable substance to form a first pattern onto the surface of a object, and a second jet nozzles for injecting a second type of jettable substance to form a first pattern onto the surface of a object; wherein the first type jettable substance is utilized for printing a solder mask pattern and wherein the second type jettable substance is utilized for printing a legend pattern.
2. The printing bridge according to claim 1 wherein the first jet nozzles are spaced apart from the second jet nozzles.
3. The printing bridge according to claim 1 wherein the first jet nozzles and second jet nozzles are arranged in an interlaced manner.
4. The printing bridge according to claim 1 comprising a jet print head motor for moving the jet print head in relation to the printing bridge.
5. The printing bridge according to claim 1 wherein a part of the first jet nozzles and a part of the second jet nozzles are utilized as back-up nozzles.
6. The printing bridge according to claim 1 configured to receive control signals that force the first jet nozzles and the second jet nozzles to print the first and second patterns simultaneously.
7. A printing system comprising at least one printing bridge to accommodate in a precise manner a first and a second jet print heads; wherein the first jet print head comprises a first jet nozzles for injecting a first type jettable substance to form a first pattern onto a surface of a object, and wherein the second jet print head comprises a second type of multitude of jet nozzles for injecting a second type of jettable substance to form a first pattern onto the surface of the object; wherein the first type jettable substance differs from the second type jettable substance.
8. The printing system according to claim 7 wherein the first type jettable substance is utilized for printing a solder mask pattern and wherein the second type jettable substance is utilized for printing a legend pattern.
9. The printing system according to claim 7 comprising a control system responsive to at least the patterns and to object data for controlling said object system in order to achieve said dispensing of the jettable substance as said patterns onto the object.
10. The printing system according to claim 9 wherein the control unit is configured to command at least one first jet nozzle and at least one second jet nozzle to print the first and second patterns simultaneously.
11. The printing system according to claim 7 comprising a single printing bridge that is configured to accommodate the first and second jet print heads.
12. The printing system according to claim 7 comprising a first printing bridge that is configured to accommodate the first jet print head and a second printing bridge that is configured to accommodate the second jet print head.
13. The printing system according to claim 12 wherein the first and second printing bridges are parallel to each other.
14. The printing system according to claim 7 comprising a object handling sub-system and a supply system, wherein the object handling sub-system comprises a printing table positioned substantially underneath the at least one printing bridge, for accommodating said object whilst said patterns are dispensed in a jetting manner onto said object; a motorized system, for moving the printing table in relation to the at least one bridge; and wherein the supply system is for supplying the first and second type jettable substance to the first and second jet nozzles.
15. The printing system according to claim 14 wherein the object handling sub-system is configured to move the printing table along a first direction that is perpendicular to a longitudinal axis of the at least one bridge.
16. The printing system according to claim 15 wherein each jet print head is coupled to a jet print head motor for moving the jet print head along a second direction that is perpendicular to the first direction and to the longitudinal axis of the at least one bridge.
17. The printing system according to claim 7 comprising a first type jettable substance supply system and a second type jettable substance supply system.
18. A printing system comprising at least one printing bridge to accommodate in a precise manner a first and a second jet print heads; wherein the first jet print head comprises a first jet nozzles for injecting a first type jettable substance to form a first pattern onto a surface of a first object, and wherein the second jet print head comprises a second type of multitude of jet nozzles for injecting a second type of jettable substance to form a first pattern onto a surface of a second object; wherein the first type jettable substance differs from the second type jettable substance.
19. The printing system according to claim 18 comprising:
a first printing table positioned substantially underneath the at least one printing bridge, for accommodating the first object whilst the first patterns is dispensed in a jetting manner onto the first object;
a second printing table positioned substantially underneath the at least one printing bridge, for accommodating the second object whilst the second patterns is dispensed in a jetting manner onto the second object;
a first motorized system, for moving the first printing table in relation to the at least one bridge; and
a second motorized system, for moving the second printing table in relation to the at least one bridge; and
a supply system for supplying the first and second type jettable substance to the first and second jet nozzles.
20. The printing system according to claim 18 comprising a single printing bridge that is configured to accommodate the first and second jet print heads.
21. The printing system according to claim 18 comprising a first printing bridge that is configured to accommodate the first jet print head and a second printing bridge that is configured to accommodate the second jet print head.
22. The printing system according to claim 21 wherein the first and second printing bridges are parallel to each other.
23. A method for printing patterns on a surface of a object, the method comprises: placing the object beneath a bridge that is configured to accommodate in a precise manner a jet print head; injecting, by first jet nozzles of the jet print head, a first type jettable substance to form a first pattern onto the surface of a object; and injecting, by second jet nozzles of the jet print head, a second type jettable substance to form a second pattern onto the surface of the object; wherein the first type jettable substance is utilized for printing a solder mask pattern and wherein the second type jettable substance is utilized for printing a legend pattern.
24. A method for printing patterns on a surface of a object, the method comprises: placing the object beneath a first bridge and a second bridge, each bridge is configured to accommodate in a precise manner a jet print head; injecting, by first jet nozzles of the jet print head, a first type jettable substance to form a first pattern onto the surface of a object; and injecting, by second jet nozzles of the jet print head, a second type jettable substance to form a second pattern onto the surface of the object; wherein the first type jettable substance is utilized for printing a solder mask pattern and wherein the second type jettable substance is utilized for printing a legend pattern.