What is claimed is:
1. A signal demultiplexing device in a high speed transmission system, for time division demultiplexing high speed multiplexed signal lights in which signal lights with a prescribed identical wavelength are time division multiplexed in terms of time-slots, by converting the high speed multiplexed signal lights into low speed wavelength division multiplexed signal lights, the signal demultiplexing device comprising:
a probe light source configured to generate probe lights formed by a series of sub-probe lights with prescribed different wavelengths for respective time-slots, in synchronization with the high speed multiplexed signal lights;
a wavelength converter configured to receive the probe lights from the probe light source and the high speed multiplexed signal lights, and to convert the prescribed identical wavelength of the high speed multiplexed signal lights in each time-slot into a prescribed wavelength of a probe light in a corresponding time-slot so as to obtain wavelength division multiplexed signal lights; and
a wavelength demultiplexer configured to wavelength division demultiplex the wavelength division multiplexed signal lights obtained by the wavelength converter, and to output demultiplexed signal lights;
wherein the probe light source has:
a plurality of sub-probe light sources configured to respectively generate the sub-probe lights with the prescribed different wavelengths for respective time-slots;
a multiplexer configured to multiplex the sub-probe lights generated by the plurality of sub-probe light sources; and
a phase different giving unit configured to give phase differences corresponding to time-slot positions to the sub-probe lights multiplexed by the multiplexer, and to sequentially output the sub-probe lights with the phase differences in correspondence to respective time-slots.
2. The signal demultiplexing device of claim 1, wherein the phase difference giving unit comprises:
a modulator for collectively modulating the sub-probe lights multiplexed by the multiplexer;
a first fiber grating for reflecting only a sub-probe light with a first wavelength and passing other sub-probe lights with wavelengths other than the first wavelength among the sub-probe lights modulated by the modulator;
a plurality of gratingdelay pairs connected in series to which the other sub-probe lights passed by the first fiber grating are entered, an i-th gratingdelay pair including: a delaying element for delaying those sub-probe lights that are passed by an (i1)-th fiber grating, for a half of a prescribed phase difference between adjacent time-slots; and an i-th fiber grating for reflecting only a sub-probe light with an i-th wavelength and passing remaining sub-probe lights with wavelengths other than the i-th wavelength among those sub-probe lights that are delayed by the delaying element, where i is an integer greater than one, such that all of the sub-probe lights with the prescribed different wavelengths are reflected by the first fiber grating and fiber gratings of the plurality of gratingdelay pairs; and
a circulator for inputting the sub-probe lights modulated by the modulator into the first fiber grating, and outputting the sub-probe lights reflected from the first fiber grating and the fiber gratings of the plurality of gratingdelay pairs as the probe lights.
3. The signal demultiplexing device of claim 1, wherein the phase difference giving unit comprises:
a modulation signal generator for generating a plurality of modulation signals in which an (i1)-th modulation signal has a wavelength which is a half of a wavelength of an i-th modulation signal, where i is an integer; and
a plurality of wavelength dependent modulators connected in series, for modulating the sub-probe lights multiplexed by the multiplexer by using the modulation signals, wherein the i-th modulation signal is supplied to an i-th wavelength dependent modulator, a first wavelength dependent modulator modulates a first half of the sub-probe lights at a first half period of a first modulation signal and modulates a second half of the sub-probe lights at a second half period of the first modulation signal, and a j-th wavelength dependent modulator modulates a half of the first half and a half of the second half of the sub-probe lights modulated by a (j1)-th wavelength dependent modulator at a first half period of a j-th modulation signal and modulates a remaining half of the first half and a remaining half of the second half of the sub-probe lights modulated by the (j1)-th wavelength dependent modulator at a second half period of the j-th modulation signal, where j is an integer greater than one, such that the sub-probe lights with wavelengths corresponding to respective time-slots are sequentially outputted from a last wavelength dependent modulator as the probe lights.
4. A signal routing device in a high speed transmission system, for time division demultiplexing high speed multiplexed signal lights in which signal lights with a prescribed identical wavelength are time division multiplexed in terms of time-slots, by converting the high speed multiplexed signal lights into low speed wavelength division multiplexed signal lights, and for outputting signal lights by distributing signal lights with desired wavelengths that constitute the low speed wavelength division multiplexed signals into desired time-slots according to routing control signals, the signal routing device comprising:
a probe light source configured to generate probe lights formed by a series of sub-probe lights with variable desired wavelengths for respective time-slots, in synchronization with the high speed multiplexed signal lights;
a wavelength converter configured to receive the probe lights from the probe light source and the high speed multiplexed signal lights, and to convert the prescribed identical wavelength of the high speed multiplexed signal lights in each time-slot into a prescribed wavelength of a probe light in a corresponding time-slot so as to obtain wavelength division multiplexed signal lights; and
a wavelength demultiplexer configured to wavelength division demultiplex the wavelength division multiplexed signal lights obtained by the wavelength converter, and to output demultiplexed signal lights;
wherein the probe light source has:
a plurality of sub-probe light sources configured to respectively generate the sub-probe lights with prescribed different wavelengths for respective time-slots;
a multiplexer configured to multiplex the sub-probe lights generated by the plurality of sub-probe light sources; and
a phase different giving unit configured to give phase differences corresponding to time-slot positions to the sub-probe lights multiplexed by the multiplexer, and to sequentially output the sub-probe lights with the phase differences in correspondence to respective time-slots, such that a sub-probe light with a desired wavelength is outputted in correspondence to a desired time-slot according to the routing control signals.
5. The signal routing device of claim 4, wherein the phase difference giving unit comprises:
a modulator for collectively modulating the sub-probe lights multiplexed by the multiplexer;
a first fiber grating for reflecting only a sub-probe light with a first desired wavelength according to the routing control signals and passing other sub-probe lights with wavelengths other than the first desired wavelength among the sub-probe lights modulated by the modulator;
a plurality of gratingdelay pairs connected in series to which the other sub-probe lights passed by the first fiber grating are entered, an i-th gratingdelay pair including: a delaying element for delaying those sub-probe lights that are passed by an (i1)-th fiber grating, for a half of a prescribed phase difference between adjacent time-slots; and an i-th fiber grating for reflecting only a sub-probe light with an i-th desired wavelength according to the routing control signals and passing remaining sub-probe lights with wavelengths other than the i-th desired wavelength among those sub-probe lights that are delayed by the delaying element, where i is an integer greater than one, such that all of the sub-probe lights with the prescribed different wavelengths are reflected by the first fiber grating and fiber gratings of the plurality of gratingdelay pairs; and
a circulator for inputting the sub-probe lights modulated by the modulator into the first fiber grating, and outputting the sub-probe lights reflected from the first fiber grating and the fiber gratings of the plurality of gratingdelay pairs as the probe lights.
6. The signal routing device of claim 4, wherein the phase difference giving unit comprises:
a modulation signal generator for generating a plurality of modulation signals in which an (i1)-th modulation signal has a wavelength which is a half of a wavelength of an i-th modulation signal, where i is an integer;
a plurality of wavelength dependent modulators connected in series, for modulating the sub-probe lights multiplexed by the multiplexer by using the modulation signals, wherein the i-th modulation signal is supplied to an i-th wavelength dependent modulator, a first wavelength dependent modulator modulates a first half of the sub-probe lights at a first half period of a first modulation signal and modulates a second half of the sub-probe lights at a second half period of the first modulation signal, and a j-th wavelength dependent modulator modulates a half of the first half and a half of the second half of the sub-probe lights modulated by a (j1)-th wavelength dependent modulator at a first half period of a j-th modulation signal and modulates a remaining half of the first half and a remaining half of the second half of the sub-probe lights modulated by the (j1)-th wavelength dependent modulator at a second half period of the j-th modulation signal, where j is an integer greater than one, such that the sub-probe lights with wavelengths corresponding to respective time-slots are sequentially outputted from a last wavelength dependent modulator as the probe lights; and
a phase controller for variably controlling phases of the plurality of modulation signals from the modulation signal generator according to the routing control signals, such that the sub-probe light with the desired wavelength is outputted to the desired time-slot by the last wavelength dependent modulator.
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 computer method for managing a work flow collaborative file having a GUI including a display and a selection device for displaying a procedural framework, the method comprising the steps of:
accessing one or more user computers in the shared space in the network, wherein the shared space is created by interaction of executable codes in a host and a user application and the shared space is described by a session attribute list;
loading a media application with a plurality of tools into one or more user computers;
using a stage manager tool from the media application to stage and correlate a plurality of media-layers according to spatial, temporal and relational coordinate data in the user application, wherein the media-layers data are described by at least one file descriptor inputting multi type content including one or more of text documents, graphic images, video images, audio or data files into the shared space;
providing one or more procedural framework templates to a workflow process with specific layouts;
providing plug-ins for each type content with in the workflow process;
selecting a procedural framework template for the creation of a workflow process;
adding one or more sections to the procedural framework template that include:
(1) a content process section that includes at least one item comprising (a) steps to be performed or (b) content materials;
(2) a discussion point section that optionally includes one or more of a topic of discussion item corresponding to one item of the content process section;
(3) an approval section that optionally includes one or more of an approval item corresponding to one item of the content process section; and
(4) a hand-off section that optionally includes one or more of a hand-off item corresponding to one item of the content process section;
storing state of the procedural framework by a user at any time during its use or in response to a user approved initiation signal, indicating that an item within a section has been completed.
2. The method of claim 1 includes a second user performing one of the steps of approving or disapproving the completion of a section in the procedural framework.
3. The method of claim 1, further comprising the step of a user moving the procedural framework between one of (a) one or more rooms in a library or a website on the World Wide Web.
4. The method of claim 1 further comprising the step of a template containing one or more: hotlinks, meta tags and computer code placed in the directory of text documents, graphic images, video images, audio or data files.
5. The method of claim 1 wherein a template specifies where content are placed among the sections of the procedural framework.
6. The method of claim 1 further comprising the step of dynamically swapping in and out procedural frameworks within a room as dictated by the use to which the procedural frameworks are put.
7. The method of claim 1 further comprising the step of a user electronically notifying another user of the availability of procedural frameworks for one or more of viewing, changing or accessing an information content resource.
8. The method of claim 1 further comprising the step of creating a derivative copy of the procedural framework.
9. The method of claim 1 further comprising the step of a user editing the procedural framework copy.
10. The method of claim 1 further comprising the step of installing a conversion program for accessing through a browser text documents, graphic images, video images, audio or data files.
11. The method of claim 1 wherein a trace record and stores the author, time and content of the change.
12. The method of claim 1 further comprising the step of using a browser for one of uploading content, creating a new procedural framework or scheduling a meeting.
13. The method of claim 1 further comprising the step of saving the state of the room at the instant of any approval.
14. The method of claim 1 further comprising the step of copying the procedural framework.
15. The method of claim 1 further comprising the step of embedding the procedural framework into in any web property.
16. The method of claim 1 further comprising using a template to permit content creators to determine where to place the content within a workflow; using the template to dynamically swap in and out pages within the room as dictated by the use to which the workflow are put; and using the template to permit the use of one or more of dynamic buttons and plug-in features such that users of the workflow template may access tables of content that reside within one or more libraries having tables of content.
17. The method of claim 1 further comprising one or more of the step: copying, or the same procedural framework pages or having the same procedural framework pages collected into one room.
18. The method of claim 1 further comprising one or more of the step of: approving at least one approval item, corresponding to one item of the procedural framework sections or handing-off to a user at least one hand-off item corresponding to one or more items of the procedural framework section.
19. The present invention relates to the field of collaborative computing, and more particularly to a non-transitory computer readable medium having computer-executable instructions for creating a work flow collaborative file in a shared network space comprising the steps of:
accessing one or more user computers in the shared space in the network, wherein the shared space is created by interaction of executable codes in a host and a user application and the shared space is described by a session attribute list;
loading a media application with a plurality of tools into one or more user computers;
using a stage manager tool from the media application to stage and correlate a plurality of media-layers according to spatial, temporal and relational coordinate data in the user application, wherein the media-layers data are described by at least one file descriptor inputting multi type content including one or more of text documents, graphic images, video images, audio or data files into the shared space;
providing one or more procedural framework templates to a workflow process with specific layouts;
providing plug-ins for each type content with in the workflow process;
selecting a procedural framework template for the creation of a workflow process;
adding one or more sections to the procedural framework template that include:
(1) a content process section that includes at least one item comprising (a) steps to be performed or (b) content materials;
(2) a discussion point section that optionally includes one or more of a topic of discussion item corresponding to one item of the content process section;
(3) an approval section that optionally includes one or more of an approval item corresponding to one item of the content process section; and
(4) a hand-off section that optionally includes one or more of a hand-off item corresponding to one item of the content process section; storing state of the procedural framework by a user at any time during its use or in response to a user approved initiation signal, indicating that a section has been completed.
20. A computer system for creating a work flow collaborative procedural framework in a shared space within a network comprises: a host server that communicates to a database and a file storage through a network; a user machine with a user application that logs to the host server to join a shared space session with other user machines running user applications, wherein the shared space session is generated by interaction of executable codes in the host and the user application and the shared space session is described by a session attribute list; a first memory for storing application code with a plurality of tools into one or more user computers; an input device for inputting multi type content including one or more of text documents, graphic images, video images, audio or data files into the shared space; a stage manager tool from the media application to stage and correlate a plurality of media-layers according to spatial, temporal and relational coordinate data in the user application, wherein the media-layers data are described by a file descriptor inputting multi type content including one or more of text documents, graphic images, video images or data files into the shared space; and a display for displaying the content by computers in the shared space in one of a synchronous or asynchronous mode; a second memory for storing (a) collaborative procedural framework templates to create pages with specific layouts, (b) plug-ins for each type content for searching additional resource information, (c) converters for accessing through a browser the content of the procedural frameworks, each such procedural framework including:
(1) a content process section that includes at least one item comprising (a) steps to be performed or (b) content materials;
(2) a discussion point section that optionally includes one or more of a topic of discussion item corresponding to one item of the content process section;
(3) an approval section that optionally includes one or more of an approval item corresponding to one item of the content process section; and
(4) a hand-off section that optionally includes one or more of a hand-off item corresponding to one item of the content process section.