1. A method comprising:
receiving status data indicating an error in connectivity between a device and a service provider;
processing the status data to determine a type of the error from among a plurality of types of errors;
selecting a first message to transmit to the device from among a plurality of stored messages using the type of the error, the first message prompting the user to provide information relating to the error;
transmitting the first message to the device;
receiving response data from the user in response to the first message, the response data providing the information relating to the error;
processing the response data to determine a diagnostic procedure to perform in response to the first message; and
performing the diagnostic procedure.
2. The method of claim 1, wherein the device comprises a telephonic device, and wherein transmitting the first message to the device comprises causing the first message to be played through a microphone of the telephonic device.
3. The method of claim 2, further comprising causing the telephonic device to ring before causing the first message to be played through the microphone.
4. The method of claim 3, further comprising:
while causing the telephonic device to ring, monitoring for an off-hook status of the telephonic device; and
after detecting the off-hook status, playing the first message over the telephonic device.
5. The method of claim 3, further comprising:
detecting whether the telephonic device is coupled to a voice port of the device; and
when the telephonic device is not coupled to the voice port of the device, providing a voice message indicator on a display output of the device.
6. The method of claim 1, further comprising:
after the diagnostic procedure, selecting a second message from among the plurality of stored messages based on an outcome of the diagnostic procedure; and
transmitting the second message to the device.
7. The method of claim 1, wherein:
determining the status of connectivity comprises performing a diagnostic analysis on a communications channel between the device and the service provider; and
selecting the first message comprises selecting the first message using the diagnostic analysis.
8. The method of claim 7, wherein the diagnostic analysis includes a spectrum analysis identifying a power density of communications channels across a frequency band over time.
9. The method of claim 1, further comprising:
receiving an update from the service provider, the update including an update to at least one feature of the device; and
in response to the update, transmitting a message to the device indicating the update is available.
10. A system comprising:
circuitry configured to:
receive status data indicating an error in connectivity between a device and a service provider;
process the status data to determine a type of the error from among a plurality of types of errors;
select a first message to transmit to the device from among a plurality of stored messages using the type of the error, the first message prompting the user to provide information relating to the error;
transmit the first message to the device;
receive response data from the user in response to the first message, the response data providing the information relating to the error;
process the response data to determine a diagnostic procedure to perform in response to the first message; and
perform the diagnostic procedure.
11. The system of claim 10, wherein the device further comprises a telephonic device, and wherein the circuitry is configured to cause the telephonic device to ring and the first message to be played through a microphone of the telephonic device.
12. The system of claim 11, wherein the circuitry is further configured to:
while causing the telephonic device to ring, monitor for an off-hook status of the telephonic device; and
after detecting the off-hook status, play the first message over the telephonic device.
13. The system of claim 11, wherein the circuitry is further configured to:
detect whether the telephonic device is coupled to a voice port of the device; and
when the telephonic device is not coupled to the voice port of the device, provide a voice message indicator on a display output of the device.
14. The system of claim 10, wherein the circuitry is further configured to:
after the diagnostic procedure, select a second message from among the plurality of stored messages based on an outcome of the diagnostic procedure; and
transmit the second message to the device.
15. The system of claim 10, wherein the circuitry is further configured to:
determine the status of connectivity by performing a diagnostic analysis on a communications channel between the device and the service provider; and
select the first message using the diagnostic analysis.
16. One or more computer-readable storage media having instructions stored thereon that, when executed by one or more processors, cause the one or more processors to implement operations comprising:
receiving status data indicating an error in connectivity between a device and a service provider;
processing the status data to determine a type of the error from among a plurality of types of errors;
selecting a first message to transmit to the device from among a plurality of stored messages using the type of the error, the first message prompting the user to provide information relating to the error;
transmitting the first message to the device;
receiving response data from the user in response to the first message, the response data providing the information relating to the error;
processing the response data to determine a diagnostic procedure to perform in response to the first message;
performing the diagnostic procedure;
selecting a second message from among the plurality of stored messages based on an outcome of the diagnostic procedure; and
transmitting the second message to the device.
17. The one or more computer-readable storage media of claim 16, wherein the device further comprises a telephonic device, and wherein the operations further comprise causing the telephonic device to ring and the first message to be played through a microphone of the telephonic device.
18. The one or more computer-readable storage media of claim 17, wherein the operations further comprise:
while causing the telephonic device to ring, monitoring for an off-hook status of the telephonic device; and
after detecting the off-hook status, playing the first message over the telephonic device.
19. The one or more computer-readable storage media of claim 17, wherein the operations further comprise:
detecting whether the telephonic device is coupled to a voice port of the device; and
when the telephonic device is not coupled to the voice port of the device, providing a voice message indicator on a display output of the device.
20. The one or more computer-readable storage media of claim 16, wherein:
determining the status of connectivity comprises performing a diagnostic analysis on a communications channel between the device and the service provider; and
selecting the first message comprises selecting the first message using the diagnostic analysis.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A polarization direction measuring apparatus comprising:
a first polarizing plate having an unknown polarization direction relative to a reference axis;
a sample whose a polarization direction is to be measured;
a rotatable sample holder on which the sample is mounted in a first direction and a second direction opposite to the first direction, wherein the sample holder rotates the sample along a reference axis in the azimuth direction;
a light source that generates light passing though the first polarizing plate and the sample; and
a light detector detecting light generated by the light source that passes though the first polarizing plate and the sample,
wherein the polarization direction of the sample is obtained by one half a difference between a first angle, at which the minimum quantity of light is detected when rotating the sample put in the first direction, and a second angle, at which the minimum quantity of light is detected when rotating the sample put in the second direction.
2. The polarization direction measuring apparatus of claim 1, wherein the sample is a second polarizing plate corresponding to the first polarizing plate.
3. The polarization direction measuring apparatus of claim 1, wherein the reference axis is perpendicular to a reference plane of the sample holder.
4. The polarization direction measuring apparatus of claim 1, wherein the sample holder includes:
a housing into which the sample is inserted;
a first insertion opening that is positioned at one side of the housing and fastens the sample inserted in the first direction; and
a light transmissive opening passing through the housing that transmits light passing through the first polarizing plate.
5. The polarization direction measuring apparatus of claim 4, wherein the sample holder further includes a second insertion opening with a shape that is symmetrical to the shape of the first insertion opening, the second insertion opening fastening the sample inserted in the second direction.
6. The polarization direction measuring apparatus of claim 4, wherein the sample holder further includes a grip positioned at a side of the housing that rotates the housing.
7. The polarization direction measuring apparatus of claim 1, wherein the light source is a laser light source.
8. The polarization direction measuring apparatus of claim 1, wherein the light detector includes one of a photodetector and a luminance meter.
9. A method of measuring a polarization direction comprising:
aligning a light source, a first polarizing plate, and a light detector;
inserting a sample into a sample holder in a first direction, wherein a reference axis of the sample holder aligns with the light source and the light detector;
rotating the sample holder in an azimuth direction to measure a first angle at which a minimum quantity of light is detected;
inserting the sample into the sample holder in a second direction opposite to the first direction;
rotating the sample holder in the azimuth direction to measure a second angle at which a minimum quantity of light is detected; and
obtaining a value corresponding to one half a difference between the first angle and the second angle to measure a polarization direction of the sample
wherein putting the sample in the first direction includes fastening the sample into an insertion opening of the sample holder in the first direction and inserting the sample in the second direction and fastening the sample into the insertion opening of the sample holder in the second direction.
10. The method of claim 9, wherein the sample is a second polarizing plate corresponding to the first polarizing plate.
11. The method of claim 9, wherein when inserting the sample in the first direction and the second direction, the sample holder is aligned between the first polarizing plate and the light detector.
12. The method of claim 9, wherein in aligning the light source, the first polarizing plate, and the light detector, a polarization direction of the first polarizing plate is unknown.
13. The method of claim 9, wherein when putting the sample in the first direction, the reference axis is perpendicular to a reference plane of the sample holder.
14. The method of claim 9, wherein the light source is a laser light source.
15. The method of claim 9, wherein the minimum quantity of light in the first and second directions is detected using the light detector.
16. The method of claim 15, wherein the light detector includes one of a photodetector and a luminance meter.