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What are Optoelectronic devices? - Electronics - Others

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According to Wikipedia "Optoelectronic devices are electrical-to-optical or optical-to-electrical transducers, or instruments that use such devices in their operation."
Optoelectronics being "the study and application of electronic devices that source, detect and control light, usually considered a sub-field of photonics. In this context, light often includes invisible forms of radiation such as gamma rays, X-rays, ultraviolet and infrared, in addition to visible light. " (wikipedia)

Posted on Jul 15, 2013

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Posted on Jan 02, 2017

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Connection pc usb


This code is a hardware device error code..so this could mean that your device driver hasn't been installed properly on your computer or your computer is not seeing the necessary drivers for your phone.
so this is how you resolve it ok: open device manager and
  1. To open Device Manager, click Start, click Search programs and files, and then type Device Manager. A list of available matching items appears above the search box; click Device Manager. Device Manager opens with your computer name at the top and a list of devices that are installed on your computer beneath your computer name.
  2. Locate the malfunctioning device in the list of devices, right-click the device, and then click Uninstall. When a warning message appears that you are uninstalling a device from your system, click OK. Device manager uninstalls the device.
  3. Right-click your computer name in Device Manager and click Scan for hardware changes. Device manager scans your system and automatically reinstall your device.
  4. Right-click the device and click Properties. On the General tab of the device Properties dialog box, in Device status, you should see the message This device is working properly.
If the steps above do not resolve the problems with the device, , use the taskbar icon to safely eject the device, then unplug the device from the computer.If the device includes a drivers disk, ensure that you have it handy to install the device drivers; otherwise, Windows should automatically locate the correct drivers and install them.
If you do not have a driver disk and Windows cannot automatically detect the drivers, it means that your hardware manufacturer has not uploaded the drivers for your device to Windows Update. If this is the case, you must go to your device manufacturer web site to download or request the most recent drivers for your device.

Oct 05, 2013 | Nokia 6230i Cellular Phone

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Code 43 on windows 7 ultimate


You can find more details regarding that on: http://technet.microsoft.com/en-us/library/cc725873%28v=ws.10%29.aspx

To resolve this problem, do the following.
  1. To open Device Manager, click Start, click Search programs and files, and then type Device Manager. A list of available matching items appears above the search box; click Device Manager. Device Manager opens with your computer name at the top and a list of devices that are installed on your computer beneath your computer name.
  2. Locate the malfunctioning device in the list of devices, right-click the device, and then click Uninstall. When a warning message appears that you are uninstalling a device from your system, click OK. Device manager uninstalls the device.
  3. Right-click your computer name in Device Manager and click Scan for hardware changes. Device manager scans your system and automatically reinstalls your device.
  4. Right-click the device and click Properties. On the General tab of the device Properties dialog box, in Device status, you should see the message This device is working properly.

Aug 21, 2013 | Microsoft Windows 7 Ultimate for PC

1 Answer

Trying to connect jabra BT2080 to phone. says enter passkey?


  1. Bluetooth device A looks for other Bluetooth devices in the area
  2. In order to find other Bluetooth devices, Bluetooth device A must be set to discoverable mode. When set to discoverable, Bluetooth device A will allow other Bluetooth devices to detect its presence and attempt to establish a connection.
    discovery_mode_example.jpg

    You may set your discover setting off if you like (It is recommended that you turn it off when not using the Bluetooth). When the discover setting is off, no other Bluetooth device will be able to find it. Undiscoverable devices can still communicate with each other but they have to initiate communication themselves.

  3. Bluetooth device A finds Bluetooth device B

    Usually the discoverable device will indicate what type of device it is (Such as a printer, cell phone, headset, etc.) and its Bluetooth device name. The Bluetooth device name is the name that you give the Bluetooth device or the factory name that originally was programmed.

  4. Bluetooth Device A prompts you to enter a password (PassKey)

    With advanced devices (i.e. computers, smartphones), both users must agree on the Passkey and enter it into their device. The code can be anything you like as long as it is the same for both Bluetooth wireless devices.

    On other devices, such as Bluetooth headsets, the Passkey stays the same. Refer to the product's manual for the default passkey. Most often, the default passkey is "0000".

  5. Bluetooth device A sends the Passkey to Bluetooth device B

Jan 26, 2011 | Jabra BT2080 Bluetooth Headset

1 Answer

My blackberry 8520 wont pair with Ford audio


In order to pair a BlackBerry device with a Bluetooth device, the Bluetooth device must be in pairing mode. Most Bluetooth devices are not set to pairing mode by default. Therefore, refer to your Bluetooth device manual for instructions on how to set the device to pairing mode.

1. On the BlackBerry device, in the device options, click Bluetooth.
2. Click the trackwheel and click Add Device. The Select Device list appears and lists devices that are in range and available to be paired.
Note: Only devices that are in range and are in pairing mode will appear in the available device list.
3. Click the device to which you are pairing. The Enter passkey dialog appears.
4. Enter the passkey to authenticate the device. Most Bluetooth devices contain a hardcoded passkey. See your Bluetooth device manual for the passkey.

Best regards

Apr 26, 2010 | RIM BlackBerry Curve 8520 Smartphone

2 Answers

Unknown device sm bus controller


What I do in such circumstances is run a little piece of freeware called "Unknown Device Identifier" which does a pretty good job of telling me what device is not working properly, identifying the manufacturer, which allows me to look up the support site and get the driver necessary to correct the problem. I've found that to be the quickest and surest way to resolve such issues.

You can also try double clicking the device in device manager and then selecting "update driver" and see if Windows can locate it on your hard drive or search the internet [providing you have a working connection] to find the appropriate driver and install it. I find it works about half of the time.

There is are other trouble shooting methods and the Microsoft Knowledge base does the most straight forward job of defining them so rather than reinvent the wheel I'll present them as written there:


The main reason for Unknown Device to display in your Device Manager is because you have a device that is not working correctly. To fix this issue, obtain an updated driver for the device.

Use the following methods to enable Windows to recognize your device. Method 1: Windows Update loadTOCNode(3, 'moreinformation'); Visit the following Microsoft Web site to see whether the Web site autodetects an updated driver for your device. Install all recommended drivers. http://www.windowsupdate.com (http://www.windowsupdate.com) Method 2: Download and install the latest driver from the Internet loadTOCNode(3, 'moreinformation'); When you download a driver from the Internet, download the Windows XP version of the driver when multiple Windows versions are listed. Use one of the following options:
  • Visit the Web site of the computer manufacturer if the device came with the computer.
  • Visit the Web site of the device manufacturer if the device was installed after you purchased your computer.
  • Visit the Web site of the device manufacturer if the device was preinstalled on your computer and the computer manufacturer does not have an updated driver.
Look for a Drivers section or a Download section on the manufacturer’s Web site, and search for the device name. Download and install the Windows XP version of the driver. Advanced user section loadTOCNode(2, 'moreinformation'); This section is intended for advanced computer users. If you are not comfortable with advanced troubleshooting, you might want to ask someone for help or contact support. For information about how to do this, visit the following Microsoft Web site: http://support.microsoft.com/contactus (http://support.microsoft.com/contactus) Causes of unknown devices in Device Manager loadTOCNode(3, 'moreinformation');
  • The device does not have a device driver: When a device driver for a device is not available, Device Manager displays the device as Unknown Device and puts it in the Other devices branch. This is very common with universal serial bus (USB) and Institute of Electrical and Electronics Engineering (IEEE) 1394 composite devices. Also, a status of Error Code 1 or Error Code 10 may be displayed when you view the properties of the device in Device Manager.

    Note Most USB and IEEE 1394 devices function correctly without additional device drivers because they are configured by the drivers that are included with Windows for these bus types. However, an additional device driver is needed if the device does not fit the defined and supplied Windows class drivers. If the bus cannot identify the device, it interprets the device as a composite device and then reports it as such in Device Manager.
  • You are using a Microsoft Windows 98 or Microsoft Windows 95 Device Driver: You cannot use virtual device driver (.vxd) files that are common to Windows 98 or to Windows 95 drivers in Windows XP. If you try to install them on your Windows XP-based computer, the device may be listed as unknown in Device Manager. This typically occurs when the device driver manufacturer does not correctly differentiate between the two drivers or assumes that Windows XP can use Windows 98 or Windows 95 .vxd files.
  • Unrecognized Device ID: Every hardware device has a special identifier that is used by Plug and Play. This identifier can include several different types, such as vendor ID, device ID, subsystem ID, subsystem vendor ID, or revision ID. If a device ID is not present, or your Windows XP-based computer does not recognize the device ID, Device Manager may list the device as unknown.

    Note Software programs that require virtual hooks into hardware may create these devices. Additionally, devices that bridge between bus types, such as a device driver that enables a parallel port device to emulate a SCSI or an AT Attachment Packet Interface (ATAPI) bus, are also known to generate an unknown-device response in Device Manager.
  • Faulty Hardware or Firmware: Faulty hardware or firmware may cause a device to be displayed as Unknown Device in Device Manager. Software-only device drivers do not expose a device ID, and there is no standard method for installing these devices. Some manufacturers install the device by using the InstallShield installation program or a similar method. Be aware that software installed by other methods may not be completely removed when the device is removed in Device Manager. Therefore, you may have to check the registry to verify that all entries are removed.

Feb 04, 2010 | Computers & Internet

1 Answer

THE PRINTER WONT WORK IT JUST KEEPS SAYING NO PAPER FED WHEN PAPER IS FED


First of all, check that the paper size setting is correct in the printer and in your software. Sometimes the printer tries to tell you not that "there is no paper" but that "there is no PROPER paper", e.g., you send a B5 printing job when the printer has A4 paper in it.

If this is not the case, we have to assume the problem is hardware.

Take out the paper and look where the paper should go. Insert a single sheet and look along it for help. You should see a small plastic leg dangling down from the left upper hand side of the paper feed slot. That's the paper out sensor.

If you can't see it, it could be broken - in that case the printer will never see the paper you put in. Or it could have stuck in the forward direction (it can happen if somebody overfeeds the printer or tries "snatching" the paper when it's half captured by the rubber roller). If this is the case, GENTLY rapping on it may dislodge it and send it dangling properly on the paper path.

If you can see it, and it dangles properly - it's not skewed or bent and does not appear damaged - try blowing along it with a compressed air can. Sometimes a bit of paper dust can lodge in the optoelectronic "window" and blinds the sensor.

All other likely damages, unfortunately, aren't easily repairable except by a skilled technician with the appropriate spare part.

Oct 05, 2009 | Brother MFC 420CN All-In-One InkJet...

1 Answer

I don't know what kind of cam I have?


1. Connect your web cam
  • Attach all power cords (e.g. laptop and/or web cam).
  • Plug your USB cam directly into your computer (do not use any external USB hubs). Turn your cam on
  • As long as your web cam and computer hardware are working, Windows should detect it!
2. Open Device Manager
  • For Vista
    => Click Control Panel. If you have Control Panel Classic View, click Device Manager
    => Click Control Panel. If you have Control Panel Home View, click System and Maintenance->Device Manager
  • For XP
    => Click Control Panel->System, then Hardware tab, then Device Manager button
3. Find your web cam in Device Manager
  • Understanding Device Names
    => Windows provides user-friendly device names to accomodate us humans. As far as Windows is concerned, the device name is simply a comment!
    => It's those cryptic Device Identification strings that really identify a device
    => Device Manager displays whatever device name it happens to find in the device driver
    ...==> If Windows finds NO device driver, your web cam may be named “Unknown” or "Other" device
    ...==> If Windows finds the WRONG device driver you may see your web cam with the WRONG device name
  • How to find your web cam
    => While your web cam is connected, look through all of Device Manager for devices with a yellow icon (probably a yellow question mark)
    => Look if a device category Other Devices. Also, be certain to expand the USB category to check all devices listed under it
    => Your web cam will appear as a device with a yellow icon (probably a question mark)
    => Click on thumbnail to see the full sized image
    How to verify the device you found is your web cam
    => Your web cam device will only appear in Device Manager when the web cam is powered on and connected
    => Disconnect your web cam. Verify the device you had found is no longer displayed in Device Manager
4. Find your web cam's Hardware Ids
  • In Device Manager, select your web cam device, rt click Properties. Click Details tab
  • Select Hardware Ids from the pull-down. You'll see a list of one or more Hardware Id strings

Aug 08, 2009 | Computers & Internet

1 Answer

Hi I have a HP Officejet L7850 Printer with a "Rear Door is Open" error. I have checked the rear door and I do see the contacts on the door is damage and can not make a proper connection with the sensor....


You can but that means stripping the printer to get to it. If it is optoelectronic then just push a small piece of card(black) into the slots. If it is a mechanical switch then do the same by pushing the lever down of the switch by jamming the paper into it. This is a temporary fix only and you should really just replace the door assembly.

Aug 01, 2009 | HP OfficeJet Pro L7580 InkJet Printer

1 Answer

I need drivers for laptop sps 1210


all Drivers for your computer can be found here
u most look what u already got what not

If it helped rate fixya

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