1. An information recorderprocessor comprising:
a modulated data producing section for setting a DC control bit to data to be recorded and executing data modulation to produce a modulated recording frame as a record unit of data; and
a DC control bit specifying section for specifying a bit value set at an additional data-associated DC control bit setting position selected from a plurality of DC control bit setting positions contained in a additional data-associated recording frame based on additional data constituent bit information,
wherein said modulated data producing section executes processing for setting a bit value at the additional data-associated DC control bit position in said additional data-associated recording frame according to an instruction by said DC control bit instruction section,
wherein said DC control bit specifying section decides one bit information selected from a plurality of different DC control bit information corresponding to constituent bit information of one additional data as bit information to be set at an additional data-associated DC control bit position, and also decides that when bit information based on DSV measurement at the additional data-associated DC control bit position is identical to DC control bit information corresponding to additional data constituent bit information to be set, then bit information different from the bit information based on DSV measurement is set at the additional data-associated DC control bit position.
2. The information recorderprocessor according to claim 1,
wherein said DC control bit specifying section sets a plurality of DC control bit positions included in said additional data-associated recording frame as additional data-associated DC control bit positions, and decides a plurality of bit values at a plurality of the additional data-associated DC control bit positions based on constituent bit information of the additional data.
3. The information recorderprocessor according to claim 1,
wherein said DC control bit specifying section decides one bit information selected from a plurality of different DC control bit information associated to one additional data constituent bit information as bit information set at an additional data-associated DC control bit position, and also decides bit information requiring minimum number of bits changed from bit information based on DSV measurement at the additional data-associated DC control bit position as bit information to be set at the additional data-associated DC control bit position.
4. The information recorderprocessor according to claim 1,
wherein said DC control bit specifying section decides different bit information as bit information to be set at the additional data-associated DC control bit position according to a single constituent bit of 0 or 1 in the additional data.
5. The information recorderprocessor according to claim 1,
wherein said DC control bit specifying section decides different bit information as bit information to be set at the additional data-associated DC control bit position according to each of a plurality of additional data constituent bit arrays in the additional data.
6. The information recorderprocessor according to claim 1,
wherein said additional data is set as constituent information of at least any one of encryption key information, encryption key production information, contents reproduction control information, and content copying control information for contents to be stored in said information recording medium.
7. The information recorderprocessor according to claim 1,
wherein said modulated data producing section produces a modulated recording frame by executing data conversion satisfying RLL (1,7) as the run length limited.
8. The information recorderprocessor according to claim 1,
wherein said modulated data producing section executes the processing for producing a modulated recording frame, said processing comprises a step of converting 2-bit information to 3-bit information.
9. An information recording medium comprising: a storage section configured to store record data based on a recording frame set with a DC control bit according to DSV control, and record data based on a recording frame associated to additional data with a bit value specified based on constituent bit information of additional data set on a plurality of DC control bit positions,
wherein the DC control bit is one bit information selected from a plurality of different DC control bit information corresponding to constituent bit information of one additional data, as bit information to be set at an additional data-associated DC control bit position, and if bit information based on DSV measurement at the additional data-associated DC control bit position is identical to DC control bit information corresponding to additional data constituent bit information, then the DC control bit information is set to be different from the bit information based on DSV measurement.
10. The information recording medium according to claim 9,
wherein bit information stored at a plurality of DC control bit position based on information associated to additional data in the additional data-associated recording frame is different from bit information based on DSV measurement.
11. The information recording medium according to claim 9,
wherein bit information associated to additional data set in one additional data-associated recording frame indicates a signal constituent bit of 0 or 1 in the additional data.
12. The information recording medium according to claim 9,
wherein bit information associated to additional data set in one additional data-associated recording frame indicates a plurality of constituent bits in the additional data.
13. The information recording medium according to claim 9,
wherein the additional data is stored as at least one of encryption key information, encryption key production information, contents reproduction control information, and contents copying control information for contents to be stored in the information recording medium.
14. The information recording medium according to claim 9,
wherein data based on a modulated recording frame produced by executing data conversion satisfying RLL (1, 7) as the run length limited is recorded therein.
15. The information recording medium according to claim 9,
wherein data based on a modulated recording frame produced by executing conversion of 2-bit information to 3-bit information is recorded therein.
16. A method of information record processing comprising the step of:
specifying a DC control bit for specifying a bit value to be set at an additional data-associated DC control bit position selected from a plurality of additional data-associated DC control bit setting positions included in an additional data-associated recording frame based on a constituent bit information of the additional data;
producing modulated recording frame as a record unit by setting the bit value specified in said DC control bit specifying step at said additional data-associated DC control bit position in the additional data-associated recording frame and executing data modulation; and
recording the modulated recording frame in an information recording medium,
wherein said DC control bit specifying step comprises:
deciding one bit information selected from a plurality of different DC control bit information corresponding to constituent bit information of one additional data as bit information to be set at an additional data-associated DC control bit position, and
deciding that when bit information based on DSV measurement at the additional data-associated DC control bit position is identical to DC control bit information corresponding to additional data constituent bit information to be set, then bit information different from the bit information based on DSV measurement is set at the additional data-associated DC control bit position.
17. The method of information record processing according to claim 16,
wherein the DC control bit specifying section sets a plurality of DC control bit positions included in the additional data-associated recording frame as additional data-associated DC control bit positions and decides a plurality of bit values at the additional data-associated DC control bit positions based on constituent bit information of the additional data.
18. The method of information record processing according to claim 16,
wherein the DC control bit specifying step comprises the steps of:
deciding one bit information selected from a plurality of different DC control bit information associated to one constituent bit information of the additional data as bit information to be set at an additional data-associated DC control bit position; and
deciding bit information requiring minimum change of bits from the bit information based on DSV measurement at the additional data-associated DC control bit information as bit information to be set at the additional data-associated DC control bit position.
19. The method of information record processing according to claim 16,
wherein the DC control bit specifying step comprises the step of deciding different bit information as bit information to be set at the additional data-associated DC control bit position according to a single constituent bit of 0 or 1 of the additional data.
20. The method of information record processing according to claim 16,
wherein the DC control bit specifying step comprises the step of deciding different bit information as bit information to be set at the additional data-associated DC control bit position according to a plurality of additional data constituent bit arrays.
21. The method of information record processing according to claim 16 further comprising the step of setting the additional data as at least any of encryption key information, encryption key production information, contents reproduction control information, and contents copying control information for contents to be stored in the information recording medium.
22. The information recording method according to claim 16,
wherein, in the modulated data producing step, a modulated recording frame is produced by executing data conversion satisfying RLL (1, 7) as the run length limited.
23. The information recording method according claim 16,
wherein the modulated data producing step comprises the step of converting 2-bit information to 3-bit information.
24. A computer readable medium storing a computer readable program for executing information record processing, the computer readable program structured to cause an apparatus to:
specify a DC control bit for specifying a bit value to be set at an additional data-associated DC control bit position selected from a plurality of additional data-associated DC control bit setting positions included in an additional data-associated recording frame based on a constituent bit information of the additional data;
produce a modulated recording frame as a record unit by setting the bit value specified in said DC control bit specifying step at said additional data-associated DC control bit position in the additional data-associated recording frame and executing data modulation;
decide one bit information selected from a plurality of different DC control bit information corresponding to constituent bit information of one additional data as bit information to be set at an additional data-associated DC control bit position, and
decide that when bit information based on DSV measurement at the additional data-associated DC control bit position is identical to DC control bit information corresponding to additional data constituent bit information to be set, then bit information different from the bit information based on DSV measurement is set at the additional data-associated DC control bit position.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What I claim as my invention is:
1: A battery powered, illuminated, color-coded evacuation signalling system, embodying a network of direction-indicating symbols and text messages displayed in any required language or combination of required languages, configured by light emitting diodes (LED’s) contained in transparent covered assembly units laid flush in the center of uncovered or covered floors, corridors and walkways within land-based buildings and maritime structures, for the purpose of automatically guiding walking or crawling evacuees away from assessed danger zones, particularly in a smoke fog with low-light conditions due to mains lighting failure following an outbreak of fire, and then via assessed safe routes leading towards assessed safe and nearest available designated exits.
2: A color-coded evacuation signalling system as claimed in claim 1, wherein red, green and amber colored LEDs are vertically mounted in narrow strip assembly units connected in series, or otherwise, and on illumination form a structure-wide display of warning symbols, text messages, advised go-route symbols and text messages for the attention of evacuees, and to indicate system status for the attention of maintenance personnel, respectively.
3: A color-coded evacuation signalling system as claimed in any preceding claim, wherein illuminated LEDs configure and display X and inverted triangle warning symbols, with appropriate warning text messages in the color red for stop or danger, flashing or statically to indicate features, areas and routes within a structure assessed as dangerous and unsuitable for use during evacuation.
4: A color-coded evacuation signalling system as claimed in any preceding claim, wherein illuminated LEDs configure and display arrow and arrow-head symbols, advisory or encouraging text messages in the color green for go or safety, omni-directionally, bi-directionally and traversing to indicate routes within a structure assessed as safe for use during evacuation.
5: A color-coded evacuation signalling system as claimed in any preceding claim, incorporating a secondary circuit or back-up to reroute power and instructions to the network of system units and to monitor system status by displaying illuminated LEDs statically or flashing in the color amber as an indication to status for the attention of maintenance personnel.
6: A color-coded evacuation signalling system as claimed in any preceding claim, for activation and use during simulated emergencies or routine fire-drills for the purpose of encouraging automatic dissemination of evacuees, calmly and swiftly, towards their respective nearest designated exits.
7: A color-coded evacuation signalling system as claimed in any preceding claim, incorporating a programmable micro processor unit pre-programmed with schematic and alpha-numeric data relating to the location of a structure’s designated exitsthe location of predetermined hazards or danger zonesthe location of a structure’s network of smokeheatCO2CO or other related detectorsand the location of the signalling system’s own units for the purpose of tracking and assessing the nature of fire and smoke within a structure, and adapting illuminated displays to define or re-define assessed dangers and safety routesexits accordingly.
8: A color-coded evacuation signalling system as claimed in any preceding claim, wherein a programmable micro processor unit stores pre-programmed data relating to safety parameters defining what degree of detected high temperatures and poor air quality are humanly survivable for evacuees during egress from a structure, in the event of a detected outbreak of fire and smoke, for the purpose of adapting the illuminated displays to define or re-define assessed dangers and safety routesexits accordingly.
9: A color-coded evacuation signalling system as claimed in any preceding claim, which time-identifies, stores, evaluates and actively responds to input data from independent smokeheatCO2CO or relative detectors registering temperatures and air quality on the outbreak of fire andor smoke, for the purpose of adapting the illuminated display to initiate the routing or re-routing of evacuees away from dangers and towards assessed safe designated exits.
10: A color coded evacuation signalling system as claimed in any preceding claim, wherein a network display of illuminated symbols and text messages indicate which features, areas, routes and exits of a structure are assessed safe for use, andor which features, areas, routes and exits of a structure are assessed dangerous to use as a consequence of developing dangers due to the rapid spreading of fire and smoke.