Spatial distribution of radiation absorption or emission - is determined by measured value signals passed through AD converter to operational amplifier (BE161176)
Abstract
The absorption or emission radiation characteristics of a body are measured in a number of directions. The measured values (M1, M2, ... M) are fed to a digital disc register (Sch) incorporating a number of transverse filters. The register is required to have (2n-1) cells, each associated with a number of resistors (R1, R2, ... R2n-1). The outputs of the latter are connected with an operational amplifier (S) which produces modified valves (M1, M2, ... M). All the units are actuated by the same triggering pulse signal t. An analogue-digital converter can be used in advance of the register to transmit the measured valves in digital form to the operational amplifier.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
1 claim: 1 independent, 0 dependent
- 1- 9 - ! ! J ;tore A e vengono possibilmente convertiti in un segna-. •le digitale per mezzo di un secondo convertitore ana- i i i Jligicd-digitale. I registri a spostamento possono i'..ancora, ressere ridotti se i fattori di ponderazione i ; delle cellule esterne diventano così piccoli che iljloro contributo possa essere trascurato. MARCA da BOLLO , λ'' Una doppia ponderazione può essere 5 . V. j (N Λ/' ta collegando le seconde operazioni di ponderasi ίΐ£0:Ρ·='^/ alle prime operazioni di ponderazione, in modo che jla valenza del bit interessato sia già tenuta in con) ;siderazione durante la prima operazione di pondera ;;zione. In tal caso si richiede soltanto una unità ! ^di sovrapposizioni;tuttavia, i resistori non sono ;iidentici a gruppo a gruppo, come nella forma di rea¬lizzazione rappresentata nella figura 2, nel caso j : considerato. . _ . ! | · ì j________________ RIVENDICAZIONI____;_________ J. ! ì j___________ 1. Dispositivo per misurare la distribuzió- I ' » ine spaziale dell’assorbimento o della emissione di |luna radiazione in uno strato di un corpo, l’assor- i ! :.....................................”·................ ”.....i.................. jbimento o la emissione del corpo essendo misurati j_ in ungran numero di direzioni nel piano dello strej- to in un gran numero di serie di ffiisure ,_ogni_ serie! . ì di misure implicando^ un certo numero di valori di j imisura dell'assorbimento o della emissione lungo lej 1' - 9 -! ! J and A are converted into a sign. • digital by means of a second Jligicd-digital analog converter. Moving registers may still be reduced if the weighting factors i;external cells become so small that their contribution can be neglected. MARK by BOLLO, λ '' A double weighting may be 5. Connecting the second weighting operations to the first weighting operations, so that the value of the affected bit is already held in conjunction with;during the first weighing operation;;Tion. In this case only one unit is required! overlaps;however, resistors are not group-identical, as in the form of reaction shown in Figure 2, in case j: considered. . _. ! | · Ï _____________ RENDERTS ____;_________ J.! 1. Device for measuring the distribution of radiation absorption or emission in a layer of a body, absorbing it. : ..................................... "· .......... ...... "..... i .................. or the emission of the body being measured in ungran number of directions in the plane of the strej- in a large number of sets of sets, series_footwear! . measures involving a number of absorption or emission values along the length 1 ' Spatial absorption or emission of solar radiation into a layer of a body, absorb it! : ..................................... "· .......... ...... "..... i .................. or the emission of the body being measured in ungran number of directions in the plane of the strej- in a large number of sets of sets, series_footwear! . measures involving a number of absorption or emission values along the length 1 ' Spatial absorption or emission of solar radiation into a layer of a body, absorb it! : ..................................... "· .......... ...... "..... i .................. or the emission of the body being measured in ungran number of directions in the plane of the strej- in a large number of sets of sets, series_footwear! . measures involving a number of absorption or emission values along the length 1 ' 10- j fettucce-che si estendono almeno approssimativamenteiparallelamente una rispetto ...all’altra, i valori di ..misura ottenuti con ..le misurazioni essendo sottoposti;ad un procedimento ..di convoluzione, caratterizzato j.dal fatto che i valori di misura di una se¬ irie di misure sono ogni volta applicati in serie adì.un filtro trasversale,, i valori sottoposti a,l proce¬dimento di convoluzione essendo disponibili sull’u- j : scita di detto filtro. ......... ;........ 2. Dispositivo secondo la rivendicazione ;;1, caratterizzato dal fatto ..che. il. filtro trasversai. ,le comprende un.registro a spostamento (A), le.cui i.uscite di cellula sono collegate aduna unità di so-, ivrappòsizione (o)-attraverso.resistori di valori,di- ! ;versi. .. ....................................................................... . | |...............3* Dispositivo secondo una qualsiasi.del-;le precedenti rivendicazioni caratterizzato dal fat- ;j ;to che un convertitore analogico-di^itale (ADW). è pre j : j visto per convertire i valori di mi sura .in una._quan|: i : · i-tità digitale, ognuna .delle..singoie posizioni .(bit)_!_della quantità digitale essendo...separatamente, ap- , j..plicata „àd ..un. registro là ...spostamento...digitai:e.-( SCH.SCH^), ..ognuna .ideile ..ùscite,:;di..^cellula di detto rea.-! .stro a spostamento.....essendo_c.ollegata,. attraverso .reb j ' ì. i sdsfcori. di. valori .diversi ma.dello, stesso., valore in J... I 11 igruppi per ogni registro a spostamento, ad una. unità...idi sovrapposizione (S^.*.S^), le uscite delle unità ;idi sovrapposizione essendo collegate all’ingresso di..un circuito sommatore (Λ) attraverso registori il cuivalere è inversamente proporzionale alla valenza dei-ile posizioni elaborate nei singoli registri a sposta¬mento, il valori di misura di convoluzione essendodisponibili sull'uscita della disposizione circuìta-i le. ;4. Dispositivo, secondo la rivendicazione ' i 3, caratterizzato dal fatto che comprende un conver¬titore analogico-digitale (ADW) che converte i valo¬ri di misura in una quantità digitale, le singole ·. : posizioni (bit ) della quantità digitale essendo ap-..plicate in parallelo ad un registro a spostamento, ;.una unità di sovrapposizione essendo collegata alle;uscite di cellula dei registri a spostamento -attra—j At least at least roughly one respect ... to the other, the values of the dimensions obtained with the measurements being subjected to a convolution process, characterized in that the values of measurements of each measure are each applied in series to a transverse filter, the values subjected to the convolution process being available on the suction of said filter. .........;2. Device according to claim 1;;1, characterized by the fact ..che. the. transverse filter. , it includes a shift register (A), wherein the cell outputs are connected to a so-called, unit-to-output unit (s). ;verses. ................................................ ........................ | | ............... 3 * Device according to any one;the previous claims characterized by fat-;j;to an analog-to-digital converter (ADW). it is pre-j seen to convert the values of the digital amount, each of the digital positions (bit) _ of the digital amount being ... separately, ap-, j..plicata "àd ..un. register there ... shift ... type: e .- (SCH.SCH ^) .. .. .. .. .. ..new, .. of the cell of said rea.-! .stro to move ..... being connected. through .reb j 'ì. and sdsfcori. of. different values, but the same., value in J ... The 11 slides for each shift register, to one. unit ... superimposed overlap (S ^. * .S ^), the outputs of the units are superimposed being connected to the input of the .. a summing circuit (Λ) through the registers the cuvaler is inversely proportional to the value of the positions processed in the individual shift registers, the convolution measurement values available on the output of the circuit arrangement. ;4. The device according to claim 3, characterized in that it comprises an analog-to-digital converter (ADW) which converts the measurement valves into a digital quantity, the individual. : positions (bits) of the digital quantity being applied in parallel to a shift register, - an overlay unit being connected to the;shift cell outputs -attra-j output of the circuit arrangement. ;4. The device according to claim 3, characterized in that it comprises an analog-to-digital converter (ADW) which converts the measurement valves into a digital quantity, the individual. : positions (bits) of the digital quantity being applied in parallel to a shift register, - an overlay unit being connected to the;shift cell outputs -attra-j output of the circuit arrangement. ;4. The device according to claim 3, characterized in that it comprises an analog-to-digital converter (ADW) which converts the measurement valves into a digital quantity, the individual. : positions (bits) of the digital quantity being applied in parallel to a shift register, - an overlay unit being connected to the;shift cell outputs -attra-j an overlay unit being connected to;shift cell outputs -attra-j an overlay unit being connected to;shift cell outputs -attra-j
31 paragraphs in 1 section, as filed
PHD 75-072 ì / .4
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494S2A / M
DESCRIPTION with a patent application for invention, having the following title: & amp; W s. ·
"Device for measuring the absorption of the emission of radiation into a body" .- on behalf of: NV PHILIPS 'GLOEILAHPENPABRIEKEN _lt_tt_1' _ * * "
This invention relates to a device for measuring the spatial distribution of the absorption or emission of a radiation into a layer of a body, the absorption of the radiation, - ................. - ............. - - ................- ----....................-......................... ......... ··. ♦ ·· 7 · '. ···· & amp; 7Λ..Ϊ "A" ·
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body's mission being measured in a large number v & amp; tó 'ψ'Λ v. Each of the series of measurements implies a number of measurement values of the emissivity 0 of the emission long slits extending at least about one parallel to the other, the measured values obtained with the measurements being subjected to a process of revolution. j
Such a device is known for example from German Offenlegungsschrift 1.941.433 and 2.417.317. The retinopathy treatment - The "........" measure offers the advantage that it can be rebuilt in 4
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relatively straightforward in single points or in singles or in a region covered by the measure itself. Measurement values for themselves are not a measure of absorption, or emission, in single punches but rather a measure for absorption along a tape through, a layer that must be | I have been examined, which is explored during measurement. The "convoluted" 1 values must simply be "distributed" along the tape along which the measured value of the convolution value is recorded. the diconvolution value is assigned to all the points of the layer that is to be examined and located in this tape This "distribution" operation is performed for each measurement value of. measurements and convolution values of the various series of measurements are superimposed, since the holes along which, the intrinsic absorption is measured in the individual .... measure series »II! ; ..... vaio re ... ri sultani e. from .. so i want to go black one rapper esen- | "........................ τ ..... ta.una measure of absorption or emission in the * * * j .point. ... interested in the subject matter to be examined ..... A device comprising different regios, one of which it contains the values, the measurement of a series, of measurements while another contains the weighing factors that must be used, was proposed for the execution of the convolution. move away . towards the exit of the shift register and are left i. . multiply. The multiplier circuits of; this kind is relatively inaccurate. : in ca. : the jso of analog signals; however, in the case of measurement light in digital form, they are expensive and relatively lense. ; / '
The object of the present invention is that; to realize a device of a specific kind, by means of which by employing simple means; : Diversion operations can be run-itecon convenient high-speed accuracy.
For this purpose, a device of the specified type;
according to the present invention, it is characterized in that the measurement values of a series of measurements are applied each time in series to a fil-f 1 ^ P .. " ..........
The convolution ones are available on the output! .. r
of said filter. . The ____ Cross filters used for this! They are used, for example, in the tech- [2! . (eg, communications, ..... for replacing the filter -__ | _....., j igio.inello spèttro _.di ... f que re with queue processing .. I · The time from time to time ... This last one makes it necessary to use a. It is a purpose, to make a delay, ij go this kind, can actually be, irapie-
and, J igati. registers ... moving ... controlled ... by. a cir -...}. ; or cadence. timing · Some | ji! preferred embodiments of the device ... ser · '- i. The present invention will be described in .in ...; the details below. ; ...... L. '. ί 1 --------------------------- In the drawings: ............... ... .................................................. .THE. . | ---------------------------- - Figure 1 represents a provision -} ...... | ,, - a circuitry comprising a transverse filter comprising; nente un. shift register, .. and .......: --------------------------------- there figure 2. represents, a layout - cir 1! i *.; which includes: a.registers to move, digitize ... and ... analog circuits ..... for. generate, the ..factors .. of the. ________________________________________________________________________________________________ ---------...................In a. which is the same as the one, the one, the one, the one, the one, the. :. ··! '' '. M ^ .. come, apps.in.series ... to ... a.regi str9._a .j..spps.tamento_a ^ logi.co "S.ch * ^ Per.jana" rais .U3jaz.i.Qn.e ._. cìie.i; } I ···. ····· ί ... ipl i ca ... n vaio ri. di_.rni.sura _.pe r. s and e., .di ..... i sur, e., ... this; regi st.ro .. .. shift includes. 2n-1 ... ..cells, of ... ^ _registration 1. The first 2 of the individual regenerative cells: | · 1; : stro are connected to resistors! R ^ Rg, R ^ ^ to: ^ apply the weighting factors to the minus values. The resistors are connected, on the other end, to an overlay S unit, for example J ^ amplifier. operational feedback. The mX! '_support includes inputs that can be%: v? x',:; run in a non-inverting way as well; in an inverting manner, so that positive and negative weighting can be introduced.
Operation of the device ^ is the detector. Measurement values of a series of measurements (the unit for producing non-measurable values is represented for simplicity; in this case reference is made to the above-mentioned
Offenlegungsschrift) are controlled by means of; ί idi.un signal, cadence t that is applied in; • and J! .serials to the shift register Sch in which it passes. ! I wrote. When all measurement values are stable! . '......................; ..., ..., ..., ..., the value of .misura Mn that jviene memo |! '· .............. .......... in the last cell of the log that is connected to the overlay unit S_attraverso__il repossess a value assigned to the , the value of M1 being first written in the shift register, i
I. lapping ... on the output of the overlay unit .S. ! ; j
i.In, reaction. at each subsequent momentum of cadence, ____ L! !
, All, the, successes, values, of, measure, .vengo no, moved, i.di.una. cell towards. the exit. A value of, cpnvo.lui,. ; The value M, assigned to the value of: 2 isura M, appears on the output of the so-j | ! .. *., squeezing, S.._ This operation is repeated when .a. the measurement value M is found., | ! and in the latter. cellula..del. register and value of .rail .._! and 1 v I '
; sura, Mn comes to be in the central cell : register ,,, the assigned convolution Mn value, to ...: 1 measurement value Mn being thus .formatted .__________ j_ "! '' '......................... I .values .dei. rendered stories between the cells of the! | i. register, .a, move, and. of the uniaxial unity unit. · 'J! ;
JNE ,. .and determine the weighting factors. for the ! ; }. [yalori..jii..misura..present in the cells., come god ..... | j emulate ... symmetrically, ... so the resis.tore_R1 chooses., * ··. · _ »
responds to the register R2n ^> the resistor R2_ corri-L! shore to the resistor. which is connected to the penile '' ............. 2n-2 - .........--. '' · · team, c, ellula, del ,, regi s.tro, etc., is realized in ^ this [so that, for example, the measurement value M becomes the ........ ·:: ..... "--- --- 1 -, |, effectively, and _cQn ,, the same;; so;;, for the form _ _ _ _ of the _ _ _ _ _ _ _ _ _ _ _ _ _ the convolution, _ as the value and ... of measure M ^ • for the formation of the convolution value M. In11 "and ........................................: ...... ................................ general,, resis.tori linked to. cells_.c. Enter "A" -. * \ C \ 'i
I - 7 - I! ! : -------------- there. The logs are smaller than the. collector resistors
I ..... - ....... jgati to the external register cells. It gets in .............! this way that the measured values are long recorded; ... if they are located close to the fetus where the value of the mass was recorded have a greater effect in comparison with the other values. If the weighing resistors, the external weights exceed a limit value, ie if the weighted values in this way become extremely small .............. they can also be; ...... icompl and temente, omitted and the number of rqj.stro contained in the above register. it can be reduced accordingly. ....... i. Moving logs digl! such spatial cells can. ^
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; having a structure that is substantially simpler in comparison with the logs ..a, analogous displacement j required for the embodiment of the & quot; ta. in the. Figure 1; However, the. weighting, pos. | -; · · J ...... 1 .. establish entity. for ... means, of multiplying circuits of j - -; gipsy, ... is, therefore, substantially more expensive. * *: '! : -----------------------: ..... - Figure 2. represents one of the closest ones; ... for a form of "realization in accordance with the present invention, which is used to record, to ... digital displacement, but in cui_ la! ..application. of the weighting factors is effected; ± - - 8 - analogously ........ .................... -........... I Measurement values M .. «L! n are convergent you will be binary by means of an ADW analogue-digital converter. Each bit of this number ... (in figure 2 a conversion of a binary number only three bits is taken as presupposed) is applied, depending on its position in the binary number, to a dein three logs to: shift digital SCH ^ ... SCH ^ which are controlled by the same cadence signal t that had been used to retrieve the measurement values Mj ... _ give you the same cadence signal t that was used for recovering the Mj values. _ give you the same cadence signal t that was used for recovering the Mj values. _
Each bit, whether it is 0, and whether it is I:> 1, is separately weighted, the potential logic being treated as analog signals. This is what. • It puts a simple weighting on resists,, ΣΪ2 ··· Η2η and the subsequent overlap units. For negative weights, you should; still include an inverting input. .........! .... ì * (! 1 --.................... - ...... Since every bit has a valence, a ver- ..... i '-! jsain conformance with its position in bina -..-
I · '- I; The output signals of the: overlap-modules.
I '. -Isioni S | ... they even weight a second ......... half-half-way. in. conformance. of - ^. (1): 1: 2: 1: 4. · ♦, etc.; \ Svengono, then added in a circuit sum -._______ i fj ì;!
2 sheets
Sheet 1 Sheet 2
12 members in 9 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 2521796 | Germany | A | |
| 2521796 | – | – | – |
| DE19752521796 | – | – | – |
Members12
| Document | Office | Kind | |
|---|---|---|---|
| BE841889A | Belgium | A | |
| DE2521796A1 | Germany | A1 | |
| JPS52476A | Japan | A | |
| ES447923A1 | Spain | A1 | |
| US4149259A | United States of America | A | |
| DE2521796B2 | Germany | B2 | |
| CA1062815A | Canada | A | |
| FR2418459A1 | France | A1 | |
| GB1553286A | United Kingdom | A | |
| DE2521796C3 | Germany | C3 | |
| FR2418459B1 | France | B1 | |
| IT1061908BThis record | Italy | B |
Numbers
- Publication, DOCDB
- 1061908
- Publication, EPODOC
- IT1061908
- Application
- 4945276
- Application, DOCDB
- 4945276
- Application, EPODOC
- IT19760049452
Titles2
- English
- Spatial distribution of radiation absorption or emission - is determined by measured value signals passed through AD converter to operational amplifier (BE161176)
- Italian
- DISPOSITIVO PER MISURARE L ASSORBIMENTO LOCALE O LA EMISSIONE DI UNA RADIAZIONE IN UN CORPO