CN1705960A - Optical memory medium and optical memory medium reproducing device - Google Patents
Optical memory medium and optical memory medium reproducing device Download PDFInfo
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- CN1705960A CN1705960A CN 200480001418 CN200480001418A CN1705960A CN 1705960 A CN1705960 A CN 1705960A CN 200480001418 CN200480001418 CN 200480001418 CN 200480001418 A CN200480001418 A CN 200480001418A CN 1705960 A CN1705960 A CN 1705960A
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Abstract
An optical memory medium includes at least one multi-layered waveguide hologram ROM that uses diffracted light based on incident light to a multi-layered waveguide hologram to read out data, and at least one memory that is integrally constituted with the multi-layered waveguide hologram ROM and is used to read and write data. A reproduction apparatus for the optical memory medium includes a light inputting unit for inputting light into the multi-layered waveguide hologram of the optical memory medium, a light receiving element for receiving light diffracted by the multi-layered waveguide hologram from the light input by the light inputting unit and for converting into an electric signal, and a data record reproduction unit for reading and writing data with respect to the memory of the optical memory medium.
Description
Claim of priority
The application advocate on September 18th, 2003 spy in Japanese publication be willing to 2003-325995 number and on April 26th, 2004 spy in Japanese publication be willing to 2004-129871 number right of priority, quote its content at this.
Technical field
The present invention relates to be provided with the hologram ROM that deposits content and the optical storage media and the transcriber thereof that possess the storer of data rewriting ability.
Background technology
In the single mode slab guide, form small concavo-convex, be called waveguide hologram technology by this small concavo-convex technology that makes the guided wave diffraction and outside waveguide, take out any corrugated, for the small concavo-convex set of making in this planar waveguide that the target corrugated forms is called the waveguide hologram.If the hologram technology is divided into volume hologram technology and thin film holographic diagram technology, then waveguide hologram technology belongs to the thin film holographic diagram technology.In addition, the layered waveguide hologram technology that the interior ducting layer of establishing the waveguide hologram is dissolved belongs to the thin film holographic diagram technology, and 3D region can be used as posting field, therefore can be used as jumbo optical memory and uses.For example, open flat 11-345419 communique with reference to the spy.
But, using layered waveguide hologram technology at present, but have only just practicability of the tailored version of reproduction storer, the user can not according to circumstances carry out record, therefore has the limited shortcoming of purposes.For eliminate this shortcoming also the someone scheme with the IC chip portfolio has been proposed.For example, open the 2003-141475 communique with reference to the spy.But do not reach practicability as yet.
On the other hand, the flash memory that can freely rewrite semiconductor memories such as (flash memory) high price, so its main application do not need to be the temporary transient storage of swapping memory itself, is not suitable for high capacity information distribution or file purposes.
Consider above-mentioned situation, need such optical storage media and transcriber thereof, can read jumbo common data and can special use and qurer record with them, the information that the while user can free record will rewrite, and can reproduce.
Disclosure of an invention
The present invention is for satisfying optical storage media and the transcriber thereof that above-mentioned necessity is conceived.
First of optical storage media of the present invention is characterised in that and is provided with: utilize and at least one layered waveguide hologram ROM the corresponding diffraction light sense data of the incident light of layered waveguide hologram, and with described layered waveguide hologram ROM one at least one storer formation, that be used for reading and writing data.
Second of optical storage media of the present invention is characterised in that: be provided with the rail portion of fixing described layered waveguide hologram ROM, have the structure that this layered waveguide hologram ROM can freely plug.
The 3rd of optical storage media of the present invention is characterised in that: described read-write storer is the IC storer, with the described IC storer predetermined edge part of terminal arrangement at this optical storage media, on another edge part adjacent, dispose the incident section of described layered waveguide hologram ROM with reference light with the edge part that has disposed this IC storer usefulness terminal.
The 4th of optical storage media of the present invention is characterised in that: its physical dimension constitutes 32mm * 24mm * 2.1mm, perhaps constitutes with the little size in whole each limit or arbitrary limit.
Playback record of the present invention is characterised in that in first of the optical memory medium reproducing device of the data of optical storage media: described optical storage media is provided with at least one the layered waveguide hologram ROM that utilizes with to the corresponding diffraction light sense data of the incident light of layered waveguide hologram, and constitute with described layered waveguide hologram ROM one, at least one storer that is used for reading and writing data, be provided with in the described optical memory medium reproducing device: make light incide the light incident parts of described layered waveguide hologram, the light that receives the incident of described smooth incident parts is by the light of described layered waveguide hologram diffraction, and be transformed into the light receiving component of electric signal and the data recording/reproducing parts that described read-write carried out reading and writing data with storer.
Whether second of optical memory medium reproducing device of the present invention is characterised in that also and is provided with: detect from the diffraction light of described layered waveguide hologram ROM outgoing according to described light receiving component, judge whether the medium that insert are the judging part of described optical storage media.
The simple declaration of accompanying drawing
Fig. 1 is the skeleton view of structure of the optical storage media of the expression embodiment of the invention 1.
Fig. 2 is the cut-open view of the structure of expression one routine layered waveguide hologram ROM.
Fig. 3 is the cut-open view of the structure of another routine layered waveguide hologram ROM of expression.
Fig. 4 is the skeleton view of structure of the optical storage media of the expression embodiment of the invention 2.
Fig. 5 A and Fig. 5 B are the skeleton views of structure of the optical storage media of the expression embodiment of the invention 3.
Fig. 6 is the skeleton view of structure of the optical memory medium reproducing device of the expression embodiment of the invention 4.
Fig. 7 is the skeleton view of structure of the optical memory medium reproducing device of the expression embodiment of the invention 5.
Fig. 8 A～Fig. 8 C is the skeleton view of structure of the optical memory medium reproducing device of the expression embodiment of the invention 6.
Preferred forms of the present invention
Followingly describe with regard to embodiment of the present invention with reference to accompanying drawing.
Fig. 1 is the skeleton view of structure of the optical storage media of the expression embodiment of the invention 1.Among this figure, 2-1 is the optical storage media with physical dimension of 32mm * 24mm * 2.1mm, is 1 jiao of pentagon of being cut sth. askew, and determines that according to this oblique cutting part the medium direction of insertion is 2-2.This optical storage media is with the benchmark of medium direction of insertion 2-2 as front and back, and forwardly 2-5 is provided with IC (quickflashing) storer, is provided with layered waveguide hologram ROM2-7 at the rear portion.Hologram ROM2-7 is replaceable, and 2-6 fixes by guide rail.
On optical storage media 2-1, with IC storer connection terminals in the IC memory portion 2-5 be configured in optical storage media 2-1 medium direction of insertion 2-2 side one side end face or below, contact with electrode terminal with the optical memory medium reproducing device that inserts optical storage media 2-1.In addition, the light incident section that disposes hologram ROM2-7 on the limit adjacent with one side of the splicing ear of configuration IC storer.
In order to the light of the information of reconstructing hologram ROM2-7 record, for example as shown in Figure 1, when medium direction of insertion 2-2 was configured in the limit, left side, this light incident section was from the direction incident of 2-3 in the light incident section.At this moment, can make member transparent on the optical characteristics of light transmission or hole in one side setting of having disposed the light incident section.From the waveguide of light in hologram ROM2-7 of light incident section incident, transmit, and by the hologram pattern diffraction that is provided with in this waveguide.
At this moment, the light that transmits in the waveguide is at the both sides up and down of the direction vertical with the face of 32mm * 24mm diffraction, but be provided with absorber of light on the face that joins in opposite flank, be transformed to heat to the light of this direction diffraction with the diffraction light side of the taking-up hologram ROM2-7 of optical storage media body.Therefore, finally have only the light of the 2-4 direction diffraction of the direction vertical just to be removed, and image on the two-dimensional photoreceptor that is provided with in the optical memory medium reproducing device as reproducing picture as flashlight with the face of 32mm * 24mm.
Also have, face and its underpart that hologram ROM2-7 with the optical storage media body is joined are transparent, make diffraction light be transmitted to the outside of optical storage media, and at optical memory medium reproducing device absorber of light is set and absorbs and the 2-4 direction light of diffraction in the other direction, absorb and the 2-4 direction mode of the light of diffraction in the other direction to replace by absorber of light is set on the optical storage media body.
The part that the side of (hologram ROM side) and hologram ROM2-7 joins in rail portion 2-6 inboard is provided with the groove than the big slightly width of thickness of hologram ROM2-7, and hologram ROM inserts and is mounted along this groove direction identical with medium direction of insertion 2-2.For the 1 hologram ROM2-7 that is inserted, respectively establish 1 in the inboard of left and right sides rail portion 2-6,2 of grooves are as one group.
When on optical storage media 2-1, hologram ROM2-7 being installed, can be set as by flute length and the equal in length of the direction of insertion of hologram ROM2-7 or long slightly, make the position, light incident section of initial incoming position of laser in the optical memory medium reproducing device and hologram ROM2-7 roughly as one man fixing rail portion 2-6.Under the state that is fixed like this, dislocation slightly takes place between the position, light incident section of initial incoming position of the laser in the optical memory medium reproducing device and hologram ROM2-7, in this case, regulator in order to mobile laser incoming position can be set, with the calibration of laser incoming position in optical memory medium reproducing device.
In addition, in the face that can join recess is set at groove with the rail portion 2-6 of hologram ROM2-7, and, the protuberance with spring is set in the groove of rail portion 2-6, by this protuberance is embedded in the recess of hologram ROM2-7, hologram ROM2-7 is fixed on the position of laser incident the best.
When the groove of rail portion 2-6 has only 1 at the hologram ROM2-7 of the body that inserts optical storage media 2-1, only be provided with 1 group.On the other hand, the hologram ROM that inserts the body of optical storage media 2-1 has several piece, for example, can with the hologram ROM of area when thickness direction inserts overlappingly, the group number that the piece number of the hologram ROM that the groove of rail portion 2-6 is set as and inserts is suitable.
Fig. 2 is the structure of a routine layered waveguide hologram ROM, and the figure of explanation light incident emerging method.As shown in Figure 2, hologram ROM becomes the cycle layer structure as " covering 11-1/ sandwich layer 12-1/ covering 11-2/ sandwich layer 12-2/.../covering 11-n ".In any " covering/sandwich layer/covering " unit, employed laser 13 wavelength all become the waveguide of plane single mode.This planar optical waveguide is to be sandwiched in the so-called planar light waveguide that refractive index is lower than the structure of the medium between this sandwich layer with tabular transparent media such as quartz or plastics as sandwich layer, it can be enclosed in light in the sandwich layer, the direction transmission can be used on optical communication with on the device in face.Hologram ROM is exactly the storer that the waveguide of this overlapping multilayer planar type and each ducting layer are equipped with hologram.
Here, symbol 14 expression convex lens can be cylinder (cylinder) lens.The end face of the overlapping slab guide that forms of hologram ROM is vertical with planar waveguide.Laser 13 via these convex lens 14 from parallel with the planar waveguide hologram ROM that laterally incides.The laser 13 of incident makes focus on predetermined sandwich layer 18 by the position of adjusting convex lens 14.
In addition, in order to conduct laser 13, the numerical aperture of convex lens 14 (NA:NumericalAperture) must be below the NA of waveguide.On the other hand, the optically focused hot spot of lens becomes big when dwindling NA, and in the occasion of single mode waveguide, in the time of directly will coupling light to waveguide from air, spot size can exceed duct width usually, and coupling efficiency can not reach 100%.
Also has the NA (NA of lens
L) be made as 2D, when focal length is made as f, be defined as at the diameter of lens:
NA
L＝D/(f
2+D
2)
1/2，
On the other hand, the NA (NA of waveguide
WG) be made as na, may be defined as when cladding index is made as nc in the refractive index of sandwich layer:
NA
WG＝(na
2-nc
2)
1/2。
As shown in Figure 2, to become waveguide light 16 be sandwich layer in center fan-shaped diffusion and the most of waveguide of walking with incidence point 18 to the light that imports waveguides from incidence point (coupling part of waveguide light) 18.Here, the subtended angle of fan-shaped is 2sin
-1(NAL), by selecting convex lens 14 to change.Also have, when lens 14 adopt cylindrical lens, become the waveguide light that certain width is advanced, rather than the light of fan-shaped diffusion.
Also have, describe as photo detector with two-dimensional photodetector in the present embodiment, but not as limit.In other words, can adopt the one dimension photo detector is linear transducer, or photo detector that adopt to survey more specific light is that photoelectric detector carries out one dimension or two-dimensional scan.
In addition, can change transmission optical waveguide layer by the convex lens among mobile Fig. 2 14, individually playback record is in the information of each layer.
Fig. 3 is the structure of another routine layered waveguide hologram ROM of explanation, and the figure of light incident emerging method.In this example, at least one place of overlapping slab guide end face becomes the reflecting surface 15 to the direction vertical with planar waveguide (normal direction) angle at 45.The hologram ROM of the hologram ROM of Fig. 3 and Fig. 2 is different in this, but others are identical with Fig. 2.The hologram ROM of Fig. 3 also have as " covering 11-1 '/sandwich layer 12-1 '/covering 11-2 '/sandwich layer 12-2 '/.../covering 11-n ' " such periodicity layer structure.
Regulate the position of convex lens 14, make to reproduce to focus on 45 ° of sandwich layer parts 18 ' of cutting sth. askew of predetermined waveguide with laser 13.Become total reflection here, when reflecting surface 15 exposes.Need not on the reflecting surface reflection horizon is set especially, but when protecting with resin etc., need be pre-formed deielectric-coating or metal film as the reflection horizon in order to possess permanance.
The light that imports waveguide from reflection spot 18 ' becomes waveguide light 16 ', mainly advances with the fan-shaped diffusion in sandwich layer in waveguide.The action of later waveguide light 16 ' is identical with the occasion of Fig. 2, and is therefore following with regard to simple declaration.Waveguide light 16 ' because of scattering key element (hologram) 19 ' by the part scattering, drain to outside the waveguide.Advance owing to becoming diffraction light 17 ' on the direction that becomes unanimity in the scattered light phase place from each scattering key element 19 ', light is also advanced outside waveguide, and forms hologram image 20 '.
Fig. 4 is the skeleton view of structure of the optical storage media of the expression embodiment of the invention 2.By have the medium that IC (quickflashing) storer and top 3-5 have hologram ROM by bottom 3-1, constitute the optical storage media of physical dimension with 32mm * 24mm * 2.1mm.The medium direction of insertion is 3-2.
In the optical storage media with IC memory portion 3-1 in IC storer connection terminals be configured in optical storage media medium direction of insertion 3-2 side on one side end face or below, be configured to contact with the electrode terminal of the optical memory medium reproducing device that is inserted into optical storage media.
In addition, on the limit adjacent with one side of the splicing ear that disposes the IC storer, the light incident section of configuration hologram ROM3-5.In order to the light of the information that writes down among the reconstructing hologram ROM3-5, for example as shown in Figure 4, when medium direction of insertion 3-2 was configured in the limit, left side, this light incident section was from the incident of 3-3 direction in the light incident section.From the waveguide of light in hologram ROM3-5 of light incident section incident, conduct, and diffraction in the hologram that in this waveguide, is provided with.
At this moment, the light that transmits in the waveguide to the diffraction of both sides up and down of the direction that 32mm * the 24mm face is vertical, but take out on the face that relative side, side joins at diffraction light IC memory portion 3-1 and hologram ROM3-5, be provided with absorber of light, will be transformed into heat to the light of this direction diffraction.Therefore, final extract out with the 3-4 direction of the direction that 32mm * the 24mm face is vertical on the light of diffraction as flashlight, and on the two-dimensional photoreceptor of being located on the optical memory medium reproducing device as reproducing as imaging.
Also have, shown in the present embodiment IC memory portion 3-1 and hologram ROM3-5 are fixed the example of pasting, but can in the left and right sides or the both sides, front and back of medium direction of insertion 3-2 rail portion be set similarly to Example 1, be made as the structure that can plug hologram ROM3-5.
In addition, in the present embodiment, adopt two-dimensional photodetector as photo detector, but not as limit.Also can adopt the one dimension photo detector is that linear transducer or the photo detector of surveying more specific light are that photoelectric detector carries out one dimension or two-dimensional scan.
And, with layered waveguide hologram ROM3-5 and storer 3-1 when stacked, as long as storer 3-1 does not block from the flashlight (diffraction light) of layered waveguide hologram ROM3-5 outgoing, its order and indefinite.
Fig. 5 A, 5B are the skeleton views of structure of the optical storage media of the expression embodiment of the invention 3.Fig. 5 A be layered waveguide hologram ROM6-2 and storer 6-3 each with writing board shape vertically (that is thickness direction) double-deck stack and skeleton diagram when constituting optical storage media 6-1.
Storer 6-3 can adopt: flash memory (for example, SD (Secure Digital) storage card, memory stick etc.), HDD (Hard Disk Drive) (for example, mini drives etc.), MT (Magnetic Tape) (for example, magnetic stripe (Magnetic Stripe) or tape etc.), contact-type/non-contact type IC chip, IC tag, CD (for example, CD, DVD, AOD (Advanced Optical Disk), BD (Blu-ray Disk), ROM, the R of MO series, RW), recordable type holographic memory etc.
As the data that write down among the storer 6-3, can consider store information on formatted message intrinsic among the layered waveguide hologram ROM6-2, ID (Identification), key, band deadline information, the map etc.For example, can consider in reading special-purpose layered waveguide hologram ROM6-2, write down blank map with low uncertainty in time data and in storer 6-3 with read-write RAM, write down the store information that changes in time on the fast map etc.According to this structure, can only will need data updated to record storer 6-3 and also be handled, therefore concerning the user, be easy to management.
Also have, the situation with regard to layered waveguide hologram ROM6-2 and the vertical double-deck superposed configuration of storer 6-3 in the present embodiment is illustrated, but is not limited to double-deck overlaying structure, can adopt the structure of stack more than three sections.In addition, the lamination order of layered waveguide hologram ROM6-2 and storer 6-3 is not limited to the order shown in Fig. 5 A.
In other words, layered waveguide hologram ROM6-2 can be configured in the below, storer 6-3 is configured in the top.In addition, its order did not have specific qualification yet when layered waveguide hologram ROM6-2 and storer 6-3 were superposeed more than three layers, as long as storer 6-3 does not block from the flashlight (diffraction light) of layered waveguide hologram ROM6-2 outgoing, and can be by various sequential cascades.
Also have, among Fig. 5 A, just by with layered waveguide hologram ROM6-2 and storer 6-3 vertically the bilayer situation that constitutes optical storage media 6-1 that superposes be illustrated, but also can adopt the structure of Fig. 5 B.That is, can be with layered waveguide hologram ROM6-2 and horizontal (that is, Width or approach axis) the integrated formation optical storage media of the state 6-4 side by side of storer 6-3 difference tabular.In addition, beyond the structure of the optical storage media shown in Fig. 5 A, the 5B, can adopt by the combination respectively such as longitudinal and transverse, inside and outside of stacked hologram ROM6-2 and storer 6-3 being come the structure of integrated formation.
Fig. 6 represents the structure of the optical memory medium reproducing device of the embodiment of the invention 4.
Optical storage media 4-1 is the illustration of medium shown in Figure 4.Medium 4-1 inserts along the 4-2 direction.Medium 4-1 downside has IC (quickflashing) memory portion, is provided with electrode terminal 4-6 and treatment circuit 4-7 for carrying out the data transmission with the IC storer.
When optical storage media 4-1 inserts optical memory medium reproducing device, contact with the electrode terminal 4-6 of optical memory medium reproducing device with the IC storer connection terminals of optical storage media 4-1, make the data transmission between treatment circuit 4-7 and the IC storer become possibility.For the information that writes down among the reconstructing hologram ROM, from the optical storage media 4-1 incident laser of 4-5 direction to such insertion.
Laser is assembled by Fresnel cylindrical lens 4-4.For the layer of the hologram ROM that selects to reproduce, with regulator 4-3 above-below direction (4-10 direction) control cylindrical lens 4-4.The waveguide light of advancing at the ducting layer of selecting is because of the hologram diffraction, and 4-8 reaches CCD4-9 via the liquid crystal matrix optical gate, forms two-dimensional image.Also have, liquid crystal matrix optical gate 4-8 is not necessary, can not be provided with yet.
Also have, in the present embodiment, adopt two-dimensional photodetector as photo detector, but not as limit.Also can adopt the one dimension photo detector is that linear transducer or the photo detector of surveying more specific light are that photoelectric detector carries out one dimension or two-dimensional scan.
Fig. 7 illustrates the structure of the optical memory medium reproducing device of the embodiment of the invention 5.
Optical storage media 5-1 is the illustration of medium shown in Figure 1.Medium 5-1 inserts along the 5-2 direction.There is IC (quickflashing) memory portion medium 5-1 front portion, for carrying out being provided with electrode terminal 5-6 and treatment circuit 5-7 with the data transmission of IC storer.
When optical storage media 5-1 inserts optical memory medium reproducing device, contact with the electrode terminal 5-6 of optical memory medium reproducing device with the IC storer connection terminals of optical storage media 5-1, the data that can carry out between treatment circuit 5-7 and the IC storer transmit.Be the information of reconstructing hologram ROM record, laser incides the optical storage media 5-1 of such insertion from the 5-5 direction.
Laser 5-5 is assembled by Fresnel cylindrical lens 5-4.For selecting the layer that will reproduce of hologram ROM, cylindrical lens 5-4 is carried out the control of above-below direction 5-10 direction with regulator 5-3.Cylindrical lens 5-4 and regulator 5-3 can be than (4-3, weak points 4-4) shown in Figure 5.The waveguide light of advancing in the ducting layer of selecting is by the hologram diffraction, and 5-8 reaches CCD5-9 via the liquid crystal matrix optical gate, forms two-dimensional image.Also have, liquid crystal matrix optical gate 4-8 is not necessary, can not be provided with yet.
Also have, in the present embodiment, adopt two-dimensional photodetector as photo detector, but not as limit.Also can adopt the one dimension photo detector is that linear transducer or the photo detector of surveying more specific light are that photoelectric detector carries out one dimension or two-dimensional scan.
Also have, the foregoing description 4,5 also can be used for existing IC storage card.In this case,, insert in the slot, judge that the medium of installing are optical storage media or IC storage cards beyond it of Fig. 1 or Fig. 4 by two-dimensional photoreceptor (CCD4-9,5-9) detecting signal light whether.
The treatment step that carries out this judgement below is shown.
Step 1: insert the optical storage media of Fig. 1 or Fig. 4 in the slot, the splicing ear of optical storage media contacts with electrode terminal 4-6,5-6, becomes the denumerable state that reportedly send between treatment circuit 4-7,5-7 and the IC storer.Thereby the decision circuit that treatment circuit 4-7,5-7 possess is surveyed optical storage media or is had the insertion of the IC storage card of same shape.
Step 2: decision circuit makes laser shine the precalculated position that the light incident section of optical storage media should exist from incident optical system 4-4,5-4.At this moment, when having hologram ROM by making laser incide the same method of the layer of hologram information record, controlled adjuster 4-3,5-3 etc.
Step 3: when having hologram ROM, the laser of irradiation incides the layer of the hologram information that has write down hologram ROM, in this layer the conduction, and by the hologram of being located at this layer with optical diffraction.Two-dimensional photoreceptor 4-9,5-9 detect the diffraction light from this hologram.On the other hand, there is not time diffraction not in hologram ROM, so two-dimensional photoreceptor 4-9,5-9 can not detect diffraction light.Decision circuit monitors whether two-dimensional photoreceptor 4-9,5-9 have detected diffraction light.
Step 4: as two-dimensional photoreceptor 4-9, when 5-9 detects diffraction light, what decision circuit was judged insertion is optical storage media, enters step 5.On the other hand, when two-dimensional photoreceptor 4-9,5-9 did not detect diffraction light, decision circuit judge to insert was the IC storage card that has with the same shape of optical storage media, enters step 6.
Step 5: decision circuit is provided with treatment circuit, to carry out with external device (ED)s such as PC that optical memory medium reproducing device is connected between communication or manage the main control circuit of other processing, send hologram ROM and the mounted information of IC storer.In addition, main control circuit is made the answer about hologram ROM and the installation of IC storer to about insert the inquiry of which kind of card from external device (ED), simultaneously according to the indication from external device (ED), carries out from hologram ROM sense data and to IC memory read write data.
Step 6: decision circuit sends the information that the IC storer only is installed to above-mentioned main control circuit, stops the driving of laser instrument and regulator 4-3,5-3 simultaneously.Main control circuit is made about the answer of IC storer only is installed about insert the inquiry of which kind of card from external device (ED) in addition, simultaneously according to the indication from external device (ED), carries out the reading and writing data to the IC storer.
Also have, in the step 1, can adopt the sensor of the insertion that sets in advance the IC memory card of surveying optical storage media or same shape, the method of surveying according to the output of this sensor, when detecting the IC memory card that has inserted optical storage media or had same shape, send the method for detection by the data between treatment circuit 4-7,5-7 and the IC storer with replacement.
In addition, in the step 3, also can monitor also whether a certain specific part zone of two-dimensional photoreceptor detects light monitoring two-dimensional photoreceptor 4-9, when whether 5-9 detects diffraction light, monitoring whether at least a portion zone of two-dimensional photoreceptor detects light.But, whether detect the light time in a certain specific part zone that monitors two-dimensional photoreceptor, constitute hologram ROM in advance, so that one be shaped as at least a portion that some reproduce pictures on the specific region of this two-dimensional photoreceptor.
In addition, decision circuit can constitute usually and only judge that when optical storage media or IC storage card insert the optical storage media device what once insert is optical storage media or IC storage card.But, insert in the structure of the hologram ROM that the state of optical storage media device can directly plug at optical storage media, even optical storage media remains on the state that inserts the optical storage media device, decision circuit preferably constitutes can judge regularly whether hologram ROM inserts.In this case, can only carry out step 1 after, with predetermined time interval repeated execution of steps 2 to step 6.
Fig. 8 A～8C is the skeleton diagram of drive configuration in the optical memory medium reproducing device of the expression embodiment of the invention 6.Fig. 8 A illustrates and will be used for the driver 7-2 that reads of layered waveguide hologram ROM of optical memory medium reproducing device 7-1 and the memory read/write occasion with driver 7-3 separate configurations.In this case, in optical memory medium reproducing device 7-1, in order to slot that inserts layered waveguide hologram ROM and the front that lays respectively at optical memory medium reproducing device 7-1 in order to these 2 slots of slot that insert storer.
Optical memory medium reproducing device 7-1 can be made of mobile device etc., specifically, can adopt with lower device and constitute: portable phone, game machine, music recording machine/player, video recorder/player, televisor, electronic dictionary, marble Slot Machine (pachinko-slot), auto-navigation system, e-book (e-book), PDA (personal digital assistant), teaching material record/player, notebook computer, personal computer, server etc.
Fig. 8 B illustrates the driver 7-2 that the layered waveguide hologram ROM in order to optical memory medium reproducing device 7-5 is read and is used for the situation of the driver 7-3 longitudinal overlap configuration of memory read/write.
At this moment, in optical memory medium reproducing device 7-5, in order to slot that inserts layered waveguide hologram ROM and the front that independently is located at optical memory medium reproducing device 7-5 in order to these 2 slots of slot that insert storer.But, be seen as in appearance by a slot and constitute, compare with occasion with 2 slots, can improve the user and use comfort level.
Also have, Fig. 8 B represents that layered waveguide hologram ROM reads with driver 7-2 and is configured in top and the storer 7-3 read-write situation below being configured in driver 7-8, but not limited by this, also can dispose on the contrary.
Fig. 8 C illustrate with a driver 7-4 layered waveguide hologram ROM read with memory read/write in shared optical memory medium reproducing device 7-6.At this moment, among the optical memory medium reproducing device 7-6 in order to the slot that inserts layered waveguide hologram ROM and in order to the slot that inserts storer by shared, have only a slot.
Among the optical memory medium reproducing device 7-6, according to the medium kind of inserting from slot judge use which kind of driver after, the processing of using the driver corresponding to carry out that data are read etc. with the medium that insert.
By the structure shown in Fig. 8 C, which driver the user need not to judge on is inserted medium, therefore can improve the comfort level in user's use.
More than, based on embodiment the present patent application has been described.Also have, the above embodiments 1,2 are characterised in that: be arranged to optical storage media is inserted in for example existing existing IC storage card slot as the SD storage card.Certainly, when in the existing IC memory card insert slot of the representational role that does not have hologram ROM, inserting hologram ROM of the present invention, then can not information reproduction.Therefore, in embodiment 4,5, beyond existing IC-card storer transcriber, additional in order to reconstructing hologram ROM CCD or two-dimensional photoreceptor such as CMOS (Complementary MetalOxide Semiconductor) sensor, in order to the lasing light emitter that waveguide carried out the light input and lens, in order to will be on two-dimensional photoreceptor the light pattern of imaging be transformed into the signal conversion circuit of data-signal, thereby insertion have the optical storage media of hologram ROM and do not insert the occasion of IC memory card also can sense information.
Also have, in embodiments of the invention 1,2,4,5, just be described by the situation that layered waveguide hologram ROM and IC memory set integrator is constituted optical storage media, but not as limit.In other words, as long as become the form that is connected with optical memory medium reproducing device with electric terminal as the storer that is used for reading and writing data, (for example can use as the various storeies of the storer 6-3 of the embodiment of the invention 3 explanation, flash memory, HDD, MT etc.), to replace the IC storer, use these storeies also can play same effect.
In addition, in the various embodiments described above,, but utilize both incorporate storeies neither IC storer monomer neither hologram ROM monomer as recording medium, overall dimensions is that 32mm * 24mm * 2.1mm is consistent with the profile standard of SD storage card for example.Also have, overall dimensions is at 32mm * 24mm * when 2.1mm is following, recording medium can be installed on the breakout box that can enter the SD storage card slot be also used.
According to the present invention, can a shared cassette memory bank, the user wants updated information with memory updating, and reproduces content from hologram ROM (Read Only Memory).
The profile by making optical storage media and the interface pattern of storer are identical with existing storage card (for example, the IC storage card), can guarantee the interchangeability of above-mentioned optical storage media and existing storage card.
Can all change the interface style of existing memory, and can judge that the storage card that inserts in the slot is above-mentioned optical storage media or existing storage card.
The industrial possibility of utilizing
According to the present invention, by making the hologram ROM that deposits content and having the data rewriting energy The exchange of the memory of the flash memory of power etc. and loading in mixture can obtain from hologram ROM Jumbo content, and can rewrite user profile ground by memory and carry out record.
The data such as jumbo music can be recorded to layered waveguide hologram ROM at a low price On, can will be recorded to RAM to License Info of this data etc., these usages can be produced in music Obtain in the fields such as industry utilizing.
Claims (15)
1. optical storage media is characterized in that being provided with:
Utilize and at least one layered waveguide hologram ROM the corresponding diffraction light sense data of the incident light of layered waveguide hologram, and
With described layered waveguide hologram ROM one at least one storer that constitute, that be used for reading and writing data.
2. optical storage media as claimed in claim 1 is characterized in that: be provided with the rail portion of fixing described layered waveguide hologram ROM, have the structure that this layered waveguide hologram ROM can freely plug.
3. optical storage media as claimed in claim 2 is characterized in that: described rail portion is provided with the groove of preset width and length, fixes a hologram ROM in this groove at least.
4. optical storage media as claimed in claim 1 is characterized in that:
Described read-write storer is the IC storer,
With the described IC storer predetermined edge part of terminal arrangement at this optical storage media,
On another edge part adjacent, dispose the incident section of described layered waveguide hologram ROM with reference light with the edge part that has disposed this IC storer usefulness terminal.
5. optical storage media as claimed in claim 4 is characterized in that: physical dimension constitutes 32mm * 24mm * 2.1mm, perhaps constitutes with the little size in whole each limit or arbitrary limit.
6. optical storage media as claimed in claim 1 is characterized in that:
Described layered waveguide hologram ROM and the described storer writing board shape of respectively doing for oneself,
Described layered waveguide hologram ROM and described storer overlapping and one on thickness direction constitutes.
7. optical storage media as claimed in claim 1 is characterized in that:
Described layered waveguide hologram ROM and the described storer writing board shape of respectively doing for oneself,
Described layered waveguide hologram ROM and described storer on Width or approach axis side by side and one constitutes.
8. optical storage media as claimed in claim 1 is characterized in that: absorber of light is set taking out on the face that relative side, side joins with the described diffraction light of described layered waveguide hologram ROM.
9. a playback record is characterized in that in the optical memory medium reproducing device of the data of optical storage media:
Described optical storage media is provided with at least one the layered waveguide hologram ROM that utilizes with to the corresponding diffraction light sense data of the incident light of layered waveguide hologram, and
With described layered waveguide hologram ROM one at least one storer that constitute, that be used for reading and writing data;
Be provided with in the described optical memory medium reproducing device:
Make light incide the light incident parts of described layered waveguide hologram,
Receive light with the incident of described smooth incident parts by the light of described layered waveguide hologram diffraction, and be transformed into the light receiving component of electric signal, and
Described read-write is carried out the data recording/reproducing parts of reading and writing data with storer.
10. optical memory medium reproducing device as claimed in claim 9, it is characterized in that also being provided with: whether detect from the diffraction light of described layered waveguide hologram ROM outgoing according to described light receiving component, judge whether the medium that insert are the judging part of described optical storage media.
11. judge with judging part for one kind and it is characterized in that the decision method of the medium kind in the optical memory medium reproducing device of packing into:
The described optical memory medium reproducing device playback record that is provided with described judging part is in the data of optical storage media, described optical storage media is provided with at least one the layered waveguide hologram ROM that utilizes with to the corresponding diffraction light sense data of the incident light of layered waveguide hologram, and with described layered waveguide hologram ROM one at least one storer formation, that be used for reading and writing data;
Described decision method comprises:
Survey the first step that medium have been loaded into;
Make illumination be mapped to second step in the precalculated position of described medium of packing into;
Supervision has or not the third step that detects from the diffraction light of layered waveguide hologram ROM; And
When detecting described diffraction light, judge that described medium of packing into are the 4th steps of described optical storage media.
12. decision method as claimed in claim 11 is characterized in that: described the 4th step is to judge the step that described medium of packing into are the IC storage cards when not detecting described diffraction light.
13. decision method as claimed in claim 11 is characterized in that: in described the 4th step, judge when described medium of packing into are not described optical storage medias that described decision circuit makes described light stop irradiation.
14. decision method as claimed in claim 11 is characterized in that:
In the described third step,
Detect described diffraction light with two-dimensional photoreceptor,
Monitor that whether at least a portion zone of described two-dimensional photoreceptor has detected described diffraction light.
15. decision method as claimed in claim 11 is characterized in that:
Under described optical storage media is packed the state of described optical storage media device into during pluggable hologram ROM,
After carrying out described first step, repeat described second to the 4th step on schedule at interval.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP325995/2003 | 2003-09-18 | ||
| JP2003325995 | 2003-09-18 | ||
| JP129871/2004 | 2004-04-26 |
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| Publication Number | Publication Date |
|---|---|
| CN1705960A true CN1705960A (en) | 2005-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200480001418 Pending CN1705960A (en) | 2003-09-18 | 2004-09-16 | Optical memory medium and optical memory medium reproducing device |
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| Country | Link |
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| CN (1) | CN1705960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458946C (en) * | 2006-02-09 | 2009-02-04 | 国际商业机器公司 | Removable disk media and automation data memory |
-
2004
- 2004-09-16 CN CN 200480001418 patent/CN1705960A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458946C (en) * | 2006-02-09 | 2009-02-04 | 国际商业机器公司 | Removable disk media and automation data memory |
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