DEP0051368DA - Method for measuring the opening time of optical closures - Google Patents

Description

Lubeok-Schlutup, August 1st

J? A t en mation

The i! Irfin, dun $ s do meets; ο ine photöelextrisctiö arrangement aur jS the ufaungaseit opi / ischer Veraolilusae, which allows ea ₅ the knife- © oiiis dlroKt abaule-sen · Ba is be & aiuit, the atrora of a hiotocell, which is illuminated by the supply of love from a source of love to öszillogr © .phiör © n and after evaluating the öazlllogruinais determine the opening side fc dea veraöiiluasea au, but this procedure is so cumbersome and requires a great deal of effort. The invention gives a © Ißordauag, »aifc der -ia simpler tfeiad in kuraer & * it; Measurements aifc greater accuracy are carried out, which are therefore mainly used for the ongoing production; optical V @ r ~ inferences

of the invention, dia #ani "and the Ütffmmgoseib des χ Elektri- ^v ö ¹ " ^aCßl ' ^a ssQS falling on the Äiotoaella Xäcätmeagü in a

Iliche S & Pf & aenge converted: which leads to a capacitor which causes it; ® voltage change with a noh ~

- is brought to the Anaaige. Vncer is provided that the iadestrom of the capacitor is proportional to the Lichtstärice iS _1, the fall through the closure to the Miataaelle is di © BPAn now ^ stüiderun ^ of aonüenaätibrs proportional to the tteicintogral dor Llchtscärke »alaa of Mohtiaeujie, dl © while represents üeffnungsaeit by the Verachluas falls, uei jconatanter üeleuantung the closure is the Spanriuag, säiadtütx'unü dee AondenSHiiOrs auoh propox * tioual dar üeffiiungssaeifc, if the sign of the opening ^ s- »uwd Bonlieas before the full about dorei ^ eiu i / öracaluoees can be vemaahlussigt. Among other things, in the Kajaeracechuiic it is stated that on the basis of the definition dex "OefinungszeiLeii such an ideal closure axiuünt" can be the inscription that the tension doruiig ä & a ü-ondenoacora aur an- l it in drawing units ^ euiont.

Zur üurohfuhruiiiS diesos iJesaverxahrene feana. gs

the öbene in the figure aii ^ e ^ ^ Jchaltjanordnun disaneni Daa light from a lamp 1 that espeiat from a oatberia d a, reßölbaren Älderstsartd 5 ^ ivird, jcallc by the au among others D he sue hen the Versehlua® 5 ^au f fc * no to zolle o «Uta daa gjasafiite through the swift, ofinimg falling light on the lichiiöiapenslichen layer of the i'hoto ~» hurry to collect, a Linao 4 is provided. Her voltage drop, the Photoaelienatroai. to dew vorzu ^ aweiße controllable ftideretand hervoreuft "controls the tilaktronexiroöre 8 whose Anodenatro" aum hawks over dia ulelchricntörrohre $ Io and the widerotsind flieset the Messkoudonsaüor 11, aunt i'eil döer eiuen Äidörstand la passes iJis is, controls the äöSSÄondönsators 11 üpannuiig ; the tronenivhrö 15, vorßgsweise ei "e © naumladagicterrahr dio, a forms a ßracüönaciisilGautS, aie hu 4Dri _o en aua the j ^ l * ideraeänden, IJ ?, Iq ^ ill formed and in aereu oräclcö the ÄüÄSigoinatraiaent I / is not UIOE aeaelchnet ^ «Leicnsix'om ^ ueliö of the vjesaatanordiiung feeds a üpannun ^ siiöilör lö» on the dia einaelnen Te 11 voltages from ^ egrifi'ea d

Arrangement acts ia following quietly t With closed-circuit Yer- 5 was the Pnotosellenstrosi zero · The grid voltage of the turn S is preferably adjusted so that they'll lower em. The kink of the characteristic is working.-The corresponding Aaodeastrom is completely diverted by d & a ffiders ^ and 12- so that no current flows to the measuring capacitor 11 * This is achieved according to the fact that the resistor 12 at a higher potential than the capacitor 11. This potential and the # 1-derstaad XZ are so possessed * that the charging current of the Uoadensators. 11 see fltSssea beginnu, as soon as the sbato cell falls through the lock. This charging current is proportional to the light intensity, since the soar © β works in the linear part of itxrsr 3Ui \ ieri: en3ili ~ nie * and the glsieliriciiterksnalinie the fiob.ro 9 through which the advance notice nocnonmigeii ^: £ i is represented will"

The measuring bridge is coordinated with ID cards 30 so that the instrxMsent 17 does not run before the charging of the ^ ondensa62? S 11 ? A measure of the voltage change aa 11 mid that which fell on the emergency cell S is paralyzed. By means of a suitable control a ^ r-Söhre 13 can ^ e after Guasch a. linear or for example oia. approximately logarithmic course of the instrument stream as a function of the length of the achievement; srerden · EackXlieseen the charge of the measuring capacitor - 11 is prevented by dia vorsugsvsreise iiochisolit; reads ear 9; s so that the Mesaäondeßsator discharges only very slowly and the measurement result && of the instrument can be easily read, is after the reading Sless ^ ondexisator by aüiiliesssn the switch 19 unloaded and preferably aui "brought a potential that would occur with an open ochalter after a long" since by itself. this measure will ve & she & ea since, ss ämv 2eiger "the lastrs ^ fficfets ia the 2 time from turning off the switch

2eiger "des lastrs ^ fficfets ia the time from switching off the switch 19 until the triggering of the measurement process from the Jfullpunkt ws ^ Fandert« als A capacitor ai "o hoohisoliersn ~ dem and after weAUabSi'reieia liieieÄcriicua is preferably used.

Ia wiser elaboration of the Jsrrinau & g becomes a Ziare ^ eln. of the charging current to the nominal value, which charges the iloxidensator ia © iner certain side to a certain iapannua ^, with open heel socket 5 the switch 2o closed * J3sr ⁱ L &desui'om, the durah .iiendera the bright © aixrcels des Ädörstattdes 3 and by changing des -Gitterwiderstiandes 7 ^ aregele p; erdös icann, then flows over the resistor £ 2, dsasea Spamun ^ s & bfall is brought from the instrument 17 zvlv Änaelge. The resistance 22 is measured in such a way that the setpoint value of the dehydration current gives a certain, ^ usachlaä »as a precautionary measure the EadauBSchlag des lastruaantes« - we are to check the measuring bridge! but usa switch 21 applied a fixed voltage to the capacitor, which must result in a besfciumrcen üusaealag,? orsugswcise also a © a Kndausscalag des lasthaben. Segebonenfalla can go through. Reading of other tensions menrere wrfcte of the Insxrx ^ amentenska-Ia are controlled «Abweiekun ^ ea from the SolisJcala lcänaen, for example, dorcii. Aenderang eiaes niont geaeicinieten Yorwidersbandea des instrumsnts or be compensated by i.enderuag der- Höizspaxiaxing der R ^ hre 13 "

Claims (1)

IiUbecK-Schiutup, August 1, 1949 To the patent application X dung_ _
Procedure. Ssur Measung .of the opening aaeit ^ optical _t J exhaustion. 1,) Method aur photoelectric a measurement of the opening of the optical shutter © aiü directly readable message of the Mösser Result ¹ , characterized by the fact that one during the Qeffnuiig; dea closure on the phovocell! "allende Liohtaen ^ e is converted into a © relativcais ^ leiöhe JsileKtriaiuatemeagß! which An iUmdensator is noticed, the resulting voltage disturbance by means of a ßohranvol fame cers aur Ariseige ^ ebraoht will" Z ") Arrangement for the execution of the ** procedure according to. Claim 1, characterized in that the P & oco ^ eIIe (6) controls an amplifier (8) whose aenode atroia when exposed in the F'ho to cell wholly or partially for a preliminary eye-isolating illöiohrichterstr ^ cke (9) llessicondönsator (11) ^ uflies, the i® tiitterkreis an ifessrohre, voraugswoise l! auialad @ giti; errohrö (1 ^) lies »whose anodeaatrom is brought as hatred of the tension dee aessliondensaDora 2ur Anaeig®, 3 «) Arrangement according to claim 2, characterized in that a resistance (12) lies at the anode of the amplifier tube (S) and is dimensioned such that the anode current of the tubes g8) at l senea closure completely but ilia can be derived » Arrangement nsen claim 2, daduxxjh ä ^ö ^ ^ßi ^ i2i «iohnet _f that in the Äutladelcreis of the Jisössfeondöaaacors (11) a preferably high resistance tlo) eia ^ esoiialcet iab. Arrangement according to claim 2, characterized _u £ oil atm <äsäichnet that as ld (11) "such jIü with nachwiricungsfreiani and Floorboard used; id 6 ») Arrangement according to claim 2, characterized in that the iifesskondensai-or (11) üiittela between the individual measurements exn «s switch (19) is at a fixed point of departure, which, if at all, approximately corresponds to that which is located at ^ Switch to langor © r 2öit at the Tiondoneaxior of. even lea would. 7.) Äfiordnung near Anapruoh 2, characterized by the fact that the Heasronra (13) sinaii 2wei _{u forms} a bridge, whose tibi'i ^ e branches have also been formed ohmschea #iderax; and in their. Bruc & e the Änaigemeiastanbul lies. 8 ») arrangement according to claim 2, characterized gaJseüüSöionnet that for setting the correct. Charging current to the stalls of the Mösskondenaa- * tors or parallel to it aiii wj.a0r3t.and (21) is switchable, which is dimensioned in such a way that the correctly set charging current arises at it © a voltage drop that results in a predetermined breakdown of the excessive consumption . 9 «) iLaordauag according to claim 2, daaureü geseiuizeiaiinei;» d & ss to control the Uessrahre or measuring bridge the grid "the fiessroiire aa aiii © Ss ^ e ₈ given voltage can be read *