Device for photon counting system

Hi
I want  to design a photon counter for my optical measurement (very low intesnity). I need experiences of design and advice to choose a suitable  counter : low rate to high rate (up to 100M counts /sec), little dead time..., TLL input. I was told about such a PCI counter card.
Thanks

Hi hanh,
The PCI counter/timer board that matches the specifications you have given would be the PCI-6602. You can find more detail about it in the NI 660x Specifications. The 100 counts/sec would be possible but you will have to use the prescaler. More information on this process can he found in this article which also has links to examples. Take a look at this device and see if it matches what you need.
Regards,
Kent
Applications Engineer
Digital Multimeter Home

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  • On iOS 8 and "old" device for the operating system. О iOS 8 и "Старых" устройствах на этой операционной системе

    USA.
    Good day! I like you a fan of the forum users of APPLE. I live in the Russian Federation. Began his acquaintance with this company back in 2010 with the Ipad 2 device was still on ios 5. In January 2014 I made ​​a gift and bought the iPhone 5s on OC IOS 7. I bought it at the official Russian official price that more accurately put Apple in 1100 $. In our country, it is a lot of money. With the money I could live for 3 months. In fact, I became the owner of a top (at the time) from a favorite device of Apple. My iPhone 5s worked perfectly on ios 7. sometimes met friezes light animation, and non-critical bugs, but who is without sin? Favorite company I was willing to forgive it because I see that she is trying to be better and not standing still. Looking WWDC presentation which provided us with iOS 8 you assured me that everything was better, faster, more functional. I was determined that update my iPhone 5s to iOS 8.0 ... APPLE releases new OC iOS 8 ... And I live! Behind the beautiful words that we said at the presentation of the great features of the new iOS hiding "something." And that "something" turned my phone in ... "pumpkin"! Yes! In that same stupid pumpkin! And now I will explain why I think it's pumpkin, not rose.
    Sea bugs ... and they are awful and terrible as it does not give me the full extent of my work enjoy iPhone 5s!
    Start from the beginning:
    1 Streaming through technology "Air play".
    "Air play" ceased to function properly! He was often disconnected from Apple tv and Apple airport express last generation. Apple tv 2g can not receive the signal from my iPhone 5s! And when it's all the same he gets a video playback does not last long, it just breaks and does not connect again! Helps to restart Apple TV and a hard reset by holding the button "HOME" button and "POWER". On the "Apple TV" is worth the latest firmware as these problems are manifested in the previous firmware of the device.
    2 Built-in browser "Safari".
    Tab in the "Safari" became constantly updated when I switch to another application or the other tabs! Apparent lack of memory (on iOS 7.1.2 with it all much better. At least when switching tabs does not re-update the previous tab).
    Playing online video on non-optimized mobile site in the browser "Safari" really does not work! It is turned on and loaded almost to infinity! Sometimes just a black screen with an icon "Play" to be pressed at least 100 times, and the result is 0!
    Scroll pages in the browser have become terribly sharp and smooth! on iOS 7.1.2 everything is fine, nice and smooth and no such bugs! Total confusion and thoughtfulness browser "Safari".
    If the video still runs (for me equates to a miracle) then when rewinding the film is generally something strange ... Fast chooses how minutes and seconds I watch a movie (usually just starts playing from the beginning), or does not respond at all ... This is the same magic Apple? Unlikely.
    3 multitasking menu (double-press "HOME").
    Call multitasking (by double-clicking "HOME") began working with a delay, with a lag, c jerky animation, and sometimes even without it.
    Control Center (which is called swipe upwards) was to slow down! Yes! That retard! Animation jumping shutter control center began play with tangible frame loss! If iPhone 5s under the control of OS iOS 7.1.2 everything happened smoothly, beautifully and dynamically in the iOS 8.0 it looks like on the iPhone 5 running iOS 7.C than strongly connected is not clear! Graphic differences from iOS iOS 7 8 almost equal to 0, and the speed of decline in almost 50%! How ?! Why ?! Why does my iPhone 5s become the iPhone 5 ?! This is an artificial slowing my device to increase the demand on the iPhone 6 or still glitch iOS 8.0 for iPhone 5s? Honey the company Apple, I really hope for the 2nd. Especially this shortfall fps animation curtain markedly if you open multitasking (acquired by double button "HOME") and call the control center and you'll see that the animation is playing choppy and not smooth! On IOS 7.1.2 this is not! Control center jumps smoothly and beautifully! On iOS 8.0 it happens all the time! Even if you turn off your favorite contacts and recent calls (I'm ashamed to say they thought) that appeared in iOS 8 (they are above programs on the multi-tasking) not solve the problem. As well, if you call the control center on the lock screen, then drop FPS will be very noticeable even to the untrained viewer (especially if you take two iPhone 5s one running iOS 7 and 8, the second on iOS and compare them on the forehead). If the Control Center click airdrop (air play) the animation of its appearance again played in spurts and not terribly nice and smoothly (especially noticeable on the lock screen and comparison of the forehead)! In a telephone call has been going absolutely shameless FPS drop a call center management and other activities!
    And yes, for me it is a critical issue! I do not want the transition to iOS 9 my iPhone 5s turned to the iPhone 4 on iOS 7 (vid you all remember this terrible story?)! I want my iPhone 5s worked as smoothly as on iOS 7.1.2! Nor any justification for this inhibition iskuvsstvennoy I can not see! 8 beautiful iOS did not! graphic elements do not appear! So goes the Apple is doing this on purpose ?! We go down the list!
    4 minor bugs that just break my brain and kill all the beauty of the use of "the best mobile operating system in the world"!
    4.1. When a call comes in when you clicked the icon making a call the phone for about 2-3 seconds, vibrates and plays a melody. On iOS 7.1.2 ringtone and vibration stops as soon as you have accepted the challenge and in your ear does not play your ringtone by "imagine Dragons", cheeks beats you invented vibration in the style of "Tick-tonic."
    4.2. When you look at the page on the Internet-phone terribly terribly strongly heated! A pair of piping hot! On iOS 7.1.2 is no such problem! Telephone hot, but not as much as on iOS 8.0!
    4.3. Folder on the home screen opens with a delay of 0.5-1 second is the impact on the overall impression of iOS 8.0.
    4.4. When you create a set (12 pieces) icons in one folder if dramatically open the folder and make swipe to the left then the following icons in this folder does not have time to boot up and are delayed by 1 second.
    4.5. When you create a folder with 1-9 icons do if the above action fails then the animation (the same bug exists in iOS 7.1.2). It is very not nice aesthetically.
    4.6. Scroll to your "Settings" felt terribly antsy. Although it is not only in the application "Settings" but also to the entire system and applications in general ...
    4.7. Scroll to the Home screen has become less responsive to user actions all movements inogoda occur with jerky animation and some delay to the user.
    4.8. Quite often, and without rational reason for going off the sensor device. That is, the screen does not respond to any user action! Helps pressing "HOME" or hard reset by holding the button "HOME" and "POWER".
    4.9. Most people on the iPhone 5s lost communication with a mobile operator. Just go on and lost and because of this I have missed calls from their loved ones and friends (would cost you to be glad that I have not missed calls on business issues).
    5.0. Many owners of iPhone 5s and iPhone 5 uhudzhenie complain about battery life. I honestly did not notice it, but we will not drop this off.
      Outcome.
    And now gets quite an interesting question, why? Why does my iPhone 5s began to slow? Why in the absence of graphical improvements are absolutely the same actions were reproduced with the loss of fps, slow down, lag, hover, fly? Why, if put next iPhone 5s on iOS 7.1.2 and exactly the same iPhone 5s on iOS 8.0 and pull the control panel to call multitasking bar, carry out all other actions I have described it on your device running iOS 7.1.2 it will work without any delays, lags, the deterioration in the responsiveness of the interface, reducing fps, and no departures from simple applications written directly by Apple? I see absolutely no any obstacles in the way to make the iPhone 5s to the operating system iOS 8.0 worked with the same smoothness, with the same responsiveness and speed as the iPhone 5s running iOS 7.1.2! I do not see what these restrictions are not!
    There are many different bugs that I do not even remember now (as I write this text on emotions (positive) as able to roll back your iPhone 5s back to iOS 7.1.2, and he seemed to come alive with new life) and so far I have esteemed company APPLE does not eliminate these improvements do not, I will not go back to iOS 8.0! if the dispensation of these bugs, flaws, intentional degradation of the (almost identical in performance in comparison with the iPhone 6) IPhone 5s will not happen and the company APPLE will continue to apply to consumers of their products as a beta tester I will be forced to organize a petition and file a class action lawsuit in court not only in their own country (which is for the Russian Federation) but also in the United States and in other countries where people are just like me trying to deceive, mislead and force companies to buy new devices APPLE without having expressed any any more substantial explanation except as <iPhone 6 was 25% more powerful on with alignment with the iPhone 5s>!
    P.s.
    I hope Apple will still listen to their users and I also hope that it (Apple) still change his mind and will try in the near future to give users not-so-old devices (iPhone 5s, iPad Air, iPad mini Retina) and enjoy on all the new features of iOS 8 no lag, locked up, overheating, inhibited animation. Thank you for being there!
    Ru.
    Всем доброго времени суток! Я как и вы форумчане являюсь фанатом компании APPLE. Проживаю я в Российской Федерации. Начал свое знакомство с этой компанией в далеком 2010 году с устройства Ipad 2 тогда еще на ios 5. В январе 2014 я сделал себе подарок и купил iPhone 5s на OC IOS 7. Купил я его официально по официальной Российской цене которую выставила Apple точнее за 1100$. В нашей стране это очень большие деньги. На эти деньги я бы мог жить 3 месяца. По сути я стал обладателем топового (на тот момент) устройства от любимой компании Apple. Мой iPhone 5s прекрасно работал на ios 7. Иногда встречались легкие фризы анимации, и не критичные баги, но кто без греха? Любимой компании я был готов это простить так как вижу, что она старается быть лучше и не стоит на месте. Посмотрев презентацию WWDC на которой представили iOS 8 нас с вами уверяли, что все стало лучше, быстрее, функциональнее. Я твердо решил, что обновлю свой iPhone 5s до iOS 8.0... APPLE выпускает новую OC iOS 8... И я обновился! За красивыми словами, что нам говорили на презентации, за великолепными функциональными возможностями новой iOS скрывалось "нечто". И это "нечто" превратило мой телефон в... "тыкву"! Да! В ту самую тупую тыкву! И сейчас я объясню почему я думаю, что это тыква, а не роза.
    Море багов... причем они ужасны и страшны так как не дают мне в полноценной мере насладится работой моего iPhone 5s!
    Начнем по порядку:
    1. Потоковая передача данных посредством технологии "Air play".
    "Air play" перестал нормально работать! Он стал часто отсоединяться от Apple tv и Apple airport express последнего поколения. Apple tv 2g не может принять сигнал от моего iPhone 5s! А когда все же это у него получается то воспроизведение видео длится не долго оно просто обрывается и не дает подключиться повторно! Помогает перезагрузка Apple TV и жесткий сброс посредством удержания кнопки "HOME" и кнопки "POWER". На "Apple TV" стоит последняя прошивка так же эти проблемы проявлялись и на предыдущей прошивке устройства.
    2. Встроенный в систему Браузер "Safari".
    Вкладки в "Safari" стали постоянно обновляться когда я переключаюсь на другое приложение или на другие вкладки! Явная нехватка оперативной памяти (на iOS 7.1.2 с этим все гораздо лучше. по крайней мере при переключение вкладок не происходило повторное обновление предыдущей вкладки).
    Воспроизведение онлайн видео на не оптимизированном для мобильных устройств сайте в браузере "Safari" толком не работает! Оно включается и загружается чуть ли не до бесконечности! Порой просто черный экран с иконкой "Play" на которою нажимай хоть 100 раз, а результата 0!
    Пролистывание страниц в браузере стали до ужаса резкими и не плавными! на iOS 7.1.2 все прекрасно, плавно и красиво и таких багов нет! Общая заторможенность и задумчивость браузера "Safari".
    Если видео все же запускается (что для меня приравнивается к чуду) то при перемотке фильма происходит вообще что-то непонятное... Перемотка сама выбирает с какой минуты и секунды мне смотреть фильм (чаще просто начинает воспроизводить все с самого начала) либо не реагирует вовсе... Эта та самая магия Apple? Непохоже.
    3. Меню многозадачности (двойное нажатие кнопки "HOME").
    Вызов многозадачности (посредством двойного нажатия кнопки "HOME") стал работать с задержкой, с лагом, c дерганой анимацией, а порой и вовсе без нее.
    Центр управления (который вызывается свайпом снизу вверх) стал тормозить! Да! Именно тормозить! Анимация выпрыгивания шторки центра управления стала воспроизводиться с ощутимой потерей кадров! Если на iPhone 5s под управление OS iOS 7.1.2 все происходило плавно, красиво и динамично то в iOS 8.0 все выглядит как на iPhone 5 под управлением iOS 7.с чем это связанно решительно не понятно! Графические отличия iOS 7 от iOS 8 практически равны 0, а скорость работы сниженна практически на 50%! Как?! Почему?! Почему мой iPhone 5s стал iPhone 5?! Это искусственное замедление моего устройства для повышения спроса на iPhone 6 или все же недоработка iOS 8.0 для iPhone 5s? Дорогая компания Apple, я очень надеюсь на 2-е.  Особенно эту нехватку fps в анимации шторки заметно если открыть многозадачность (посредством двойного нажития кнопки "HOME") и вызвать центр управления и вы увидите что анимация проигрывается рывками и не плавно! На IOS 7.1.2 такого нет! Центр управления выпрыгивает плавно и красиво! На iOS 8.0 это происходит постоянно! Даже если отключить избранные контакты и недавние вызовы (я грешным делом подумал на них) которые появились в iOS 8 (они находятся выше программ на панели многозадачности) проблему не решить. Так же, если вызвать центр управления на экране блокировки то падение FPS будет очень заметно даже для неподготовленного зрителя (особенно если взять два iPhone 5s один под управление iOS 7 и второй на iOS 8 и сравнить их в лоб). Если в центре управления нажать кнопку airdrop (air play) то анимация ее появления опять таки проиграется рывками и ужасно не красиво и не плавно (особенно заметно на экране блокировки и при сравнение в лоб)! При телефонном вызове происходит уже совсем уж бессовестное падение FPS при вызове центра управления и при других действиях!
    И да, для меня это критичная проблема!  Я не хочу чтобы при переходе на iOS 9 мой iPhone 5s превратился в iPhone 4 на iOS 7 (Вы видь все помните эту страшную историю?)! Я хочу чтобы мой iPhone 5s работал так же плавно как и на iOS 7.1.2! Ни каких оправданий для этой искувсственной заторможенности я не вижу! iOS 8 красивей не стала! графических элементов больше не появилось! Так выходит компания Apple делает это специально?! Идем дальше по списку!
    4. мелкие баги которые просто разрывают мой мозг и убивают всю красоту использования "Самой лучшей мобильной операционной системы в мире"!
    4.1. При входящем вызове когда вы нажали иконку принятия вызова телефон еще около 2-3 секунд вибрирует и проигрывает мелодию. На iOS 7.1.2 мелодия и вибрация останавливается как только вы приняли вызов и вам в ухо не играет ваш рингтон в исполнении "imagine Dragons", по щекам не бьет придуманная вами вибрации в стиле "Тик-тоник".
    4.2. Когда смотришь страницы в интернете телефон ужасно-ужасно сильно греется! Парой обжигающе сильно! На iOS 7.1.2 такой проблемы нет! Телефон горячий, но не так сильно как на iOS 8.0!
    4.3. Папки на домашнем экране открываются с задержкой в 0.5-1 секунду это сказывается на общем впечатлении от iOS 8.0.
    4.4. При создании множества (12 штук) иконок в одной папке если резко открыть папку и сделать свайп влево то следующие иконки в этой папке не успевают загрузиться и отображаются с задержкой в 1 секунду.
    4.5. При создании папки с 1-9 иконками если проделать описанное выше действие то произойдет сбой анимации (этот же баг есть и в iOS 7.1.2). Это крайне не приятно эстетически.
    4.6. Пролистывание в приложении "Настройки" стало ужасно дерганым. Хотя не только в приложении "Настройки" но и по всей системе и в приложениях в целом...
    4.7. Пролистывание на Домашнем экране стало менее отзывчивое на действия пользователя все движения иногода происходят с дерганой анимацией и какой-то задержкой на действия пользователя.
    4.8. Довольно часто и без объяснимой причины происходит отключения сенсора устройства. То есть экран не реагирует ни на какие действия пользователя! Помогает нажатие кнопки "HOME" либо жесткий сброс посредством удержания кнопки "HOME" и "POWER".
    4.9. Большинства людей на  iPhone 5s пропадает связь с сотовым оператором. Просто берет и теряется и из за этого я уже пропускал звонки от своих близких и друзей (стоило бы вам порадоваться, что я не пропустил звонки по рабочим вопросам).
    5.0. Многие обладатели iPhone 5s и iPhone 5 жалуются на ухуджение работы аккумулятора. Я честно говоря этого не заметил, но не будем сбрасывать этого со счетов.
    Итог.
    А теперь встает довольно интересный вопрос, почему? Почему мой iPhone 5s стал тормозить? Почему при отсутствии графических улучшений абсолютно одни и те же действия стали воспроизводится с потерей fps, тормозить, лагать, зависать, вылетать? Почему если положить рядом iPhone 5s на iOS 7.1.2 и точно такой же iPhone 5s на iOS 8.0 и вытянуть панель управление, вызвать панель многозадачности, провести все остальные действия описанные мною то на устройстве под управлением iOS 7.1.2 все будет работать без каких либо задержек, лагов, ухудшение в отзывчивости интерфейса, уменьшении fps и просто без вылетов из приложений написанных непосредственно компанией Apple? Я не вижу абсолютно ни каких преград в том чтобы сделать так чтобы iPhone 5s под управлением операционной системой iOS 8.0 работал с той же плавностью, с той же отзывчивостью и скоростью, что и iPhone 5s под управлением iOS 7.1.2! Не вижу от того, что этих ограничений нет!
    Есть еще множество различных багов о которых я сейчас даже не вспомню (так как этот текст я пишу на эмоциях (положительных) так как смог откатить свой iPhone 5s обратно на iOS 7.1.2  и он как будто ожил новой жизнью) и пока глубокоуважаемая мною компания APPLE не устранит эти не доработки я не буду возвращаться обратно на iOS 8.0! если устроения этих багов, недоработок, умышленного ухудшения работы (практически одинакового по производительности в сравнении с iPhone 6) IPhone 5s не произойдет и компания APPLE будет и дальше относиться к потребителям своей продукции как к бета тестерам я буду вынужден организовать петицию и подать коллективный иск в суд не только в своей стране (коей является Российская Федерация) но и в США и в других странах где людей так же как и меня пытаются обмануть, ввести в заблуждение и заставить покупать новые устройства компании APPLE не дав на то ни каких более существенных объяснений кроме как < iPhone 6 стал на 25% мощнее по с равнению с iPhone 5s>!
    P.s.
    Я надеюсь компания Apple все еще прислушивается к своим пользователям и я так же надеюсь, что она (Apple) все же одумается и постарается в ближайшее время дать пользователям не таких уж и старых устройств (iPhone 5s, iPad Air, iPad mini Retina) наслаждаться и дальше всеми новыми возможностями операционной системы iOS 8 без лагов, подвисаний, перегревов, заторможенной анимации. Спасибо, что вы есть!

    Agreed! This bug with the ringtone delay (№4.1) is really annoying

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    OK. To recap:
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  • When I update apple driver, a pop-up error message "The folder you specified doesn't contain a compatible driver for your device. If the foldre contains a driver, make sure it is designed to work with Windows for x64-based systems."

    When I update apple driver, a pop-up error message "The folder you specified doesn't contain a compatible driver for your device. If the foldre contains a driver, make sure it is designed to work with Windows for x64-based systems."

    Hi,
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    Roger Lu
    TechNet Community Support

  • Sr 400 photon counter (stanford research system)

    hi,
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    You need to understand the difference between the GPIB bus commands and instrument commands. You seemed to have looked at the basic example that's in the manual. The first line in the example does some things to the GPIB bus's interface management lines like interface clear (IFC) and remote enable (REN). You do not issue these commands in MAX's communicator when you want to program the instrument. Those sort of commands are available but you don't normally have to do any of that. You do need to issue the commands that are listed in the section on remote programming. The very first example listed is the command "CM". As the manual states, if you send CM {j} where {j} is 0-3, you set the counter mode. If you send just "CM", the instrument returns the counting mode. You will not get a response back from the instrument when you set something. You will only get data back from the instrument when you issue a specific command that tells the instrument to return something. Instruments designed within the last 20 years have better command sets than what you have to work with. These "newer" instruments use a "?" at the end of every command that tell the instrument to return data.
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  • Communication problems: A device attached to the system is not functioning.

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    If you want to use PC/SC directly, I have a simple Go program that reads an APDU file (just hex encoded APDU strings) and sends them to a smart card. You can give that a try if you like.
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    00a4040000
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  • Access share on NSS4000 with error: A device attached to the system is not functioning

    Hello,
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    I am constantly seeing this error at multiple sites on Windows Server 2012 and 2012 R2 Standard and DataCenter.
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  • SR 400 gated photon counter

    I don't have a ton of experience with Labview, but I'm trying to get the Stanford Research Systems SR400 gated photon counter to use a fixed gate mode to count.  I looked at the example driver that I found and realized that it isn't capable of doing anything more than a cw sweep.  I found this driver in the forums (http://forums.ni.com/attachments/ni/40/1879/1/sub​vI.vi), but in the process of updating to labview 8.2 (from labview 7.1 it said), it is missing some connections somewhere.  I was wondering if anyone knew how to find the problem pieces in it and how to fix it.  I have another question about the SR400.  Is labview capable of trigging it through the software, or do I need to have an actual physical trigger going in to the trigger input.  Thanks for your help.
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    Nick D.

  • NI 6259 photon counter min pulse detection

    Hello,
    I have a PCI 6259 DAQ card which I'm using as a counter. Is there a limit to the minimum pulse width it can count while operating as a counter? My photon counter gives out TTL pulses with widths of 50ns which I think is below what the counter can read unless I am mistaken. I'm using the 100kHz internal clock as the clock source. Is there anyway to get the counter to pick up such small pulses?
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    Mark.
    Solved!
    Go to Solution.

    A 50 ns pulse corresponds to a 20 MHz freq.  You should be able to capture/measure such a TTL pulse with a 6259, but I don't think you'll really want to be measuring pulse *widths*.   You'd only be able to get a nominal count of 4 timebase edges per width with a possible +/- 1 count uncertainty, i.e., 25% measurement error.
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  • I have three iPhone 4 models purchased in late 2010 that all share the same iTunes account (apps, music, etc), but I can only update the software on one of the three iPhones. What is the best solution to manage these devices for software updates, apps?

    I have three iPhone 4 models purchased in late 2010 (for my family) that all share the same iTunes account for access to apps and music, but each phone/user still has his/her custom contact list, email accts, and select lists of apps and music from the one iTunes acct library.  The problem is I can only update the software on one of the three iPhones – the primary phone I used to setup the iTunes acct. What is the best solution to manage these devices for software updates, apps? This is probably a common problem with families wanting to share apps and music without realizing the issues created by this approach. As it stands today... the first (primary) iPhone associated with the iTune acct has been updated with the latest software version 5.1.1 and sync'd up with all the apps, music, etc from the one iTune acct, while the other two iPhones are still running on the original software version 4.0.2 and are experiencing problems now. I was advised by AT&T back in January that it would be necessary to setup separate iTunes accts for the second and third iPhones in order to receive system updates. The problem would be how to keep all the apps, etc from being deleted off the second and third phones that were originally loaded from the one iTunes acct. Since this AT&T advice was prior to iCloud coming out, would iCloud be a better solution or at least part of the solution? I really don't yet understand how iCloud works. Hopefully, someone out there can help me??  Please?

    I have three iPhone 4 models purchased in late 2010 (for my family) that all share the same iTunes account for access to apps and music, but each phone/user still has his/her custom contact list, email accts, and select lists of apps and music from the one iTunes acct library.  The problem is I can only update the software on one of the three iPhones – the primary phone I used to setup the iTunes acct. What is the best solution to manage these devices for software updates, apps? This is probably a common problem with families wanting to share apps and music without realizing the issues created by this approach. As it stands today... the first (primary) iPhone associated with the iTune acct has been updated with the latest software version 5.1.1 and sync'd up with all the apps, music, etc from the one iTune acct, while the other two iPhones are still running on the original software version 4.0.2 and are experiencing problems now. I was advised by AT&T back in January that it would be necessary to setup separate iTunes accts for the second and third iPhones in order to receive system updates. The problem would be how to keep all the apps, etc from being deleted off the second and third phones that were originally loaded from the one iTunes acct. Since this AT&T advice was prior to iCloud coming out, would iCloud be a better solution or at least part of the solution? I really don't yet understand how iCloud works. Hopefully, someone out there can help me??  Please?

  • Can not drag files off iphone onto windows 7 Laptop (Error: A device attached to the system is not functioning!) Any ideas on how to resolve this, Much appreciated

    Connect phone to laptop, AutoPlay Box appears, click open Device to view files, internal storage, DCIM, Drag all Pictures/Videos into folder on desktop. Message pops up within a few seconds, Saying  'A Device Attached To The System Is Not Functioning.'
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    Many Thanks.
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  • A device attached to your system is not working!!

    I am trying to connect to Oracle8i Personal Edition through a JDK1.2.1 application using the classes111.zip or classes12.zip package. After running the application I get this error message: UnsatisfiedLinkError: ocijdbc8: A device attached to your system is not working. I you have any idea what is happening, please answer inmediately.

    You are using the oci8 driver so your program is looking for the native mode Oracle Client software. Install the Oracle Client software or use the thin driver.

  • Java.util.zip.ZipException: a device attached to the system is not function

    getting a java.util.zip.zipexception : a device attached to the system is not functioning error - what could cause such an error?
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    Hey there a few things.
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