1. An optical receiver comprising:
a mixer which mixes input light and local light to obtain in-phase signal light and quadrature-phase signal light;
a light receiving device which receives the in-phase signal light and the quadrature-phase signal light and converts the in-phase signal light and the quadrature-phase signal light into respective analog electric signals;
an analog-to-digital converter which converts the analog electric signals into respective digital signals;
a signal processor which performs digital signal processing using each of the digital signals;
a monitor which monitors a quality of a receiving signal with reference to information obtained through the digital signal processing; and
a controller which controls, on the basis of the result of the monitoring by the monitor, a power ratio between the input light and the local light that are to be mixed with each other.
2. The optical receiver according to claim 1, wherein the mixer mixes the input light and each of two of the local lights that have a phase difference of approximately 90 degrees, and outputs the in-phase signal light and the quadrature-phase signal light.
3. The optical receiver according to claim 2, wherein the light receiving device comprises single-end photodiodes provided one for each of the signal lights output from the mixer.
4. The optical receiver according to claim 2, wherein the light receiving device comprises twin photodiodes provided one for each of the signal lights output from the mixer.
5. The optical receiver according to claim 2, wherein the light receiving device comprises, for each of the signal lights to be received,
a light receiving device which receives the signal light, and
an amplifier which amplifies an output from the light receiving device and outputs an analog signal corresponding to the amplitude of the signal light.
6. The optical receiver according to claim 2, wherein:
the mixer outputs the in-phase signal light and the quadrature-phase signal light of each of two polarization components, different from each other, of the input light;
a plurality of the light receiving devices are provided each for one of the in-phase signal light and the quadrature-phase signal light of the polarization component; and
a plurality of the analog-to-digital converters are provided each for one of the in-phase signal light and the quadrature-phase signal light of the polarization component.
7. The optical receiver according to claim 1, the controller comprising:
an input-light level controller which controls the level of the input light that is to be input into the mixer;
a local-light level controller which controls the level of the local light that is to be input into the mixer; and
a controlling amount providing unit which provides the input-light level controller and the local-light level controller with amounts of level to be controlled, and thereby controls the power ratio, the amounts being based on the result of monitoring by the monitor.
8. The optical receiver according to claim 2, the controller comprising:
an input-light level controller which controls the level of the input light that is to be input into the mixer;
a local-light level controller which controls the levels of the local lights that is to be input into the mixer; and
a controlling amount providing unit which provides the input-light level controller and the local-light level controller with amounts of level to be controlled, and thereby controls the power ratio, the amounts being based on the result of monitoring by the monitor.
9. The optical receiver according to claim 3, the controller comprising:
an input-light level controller which controls the level of the input light that is to be input into the mixer;
a local-light level controller which controls the levels of the local lights that is to be input into the mixer; and
a controlling amount providing unit which provides the input-light level controller and the local-light level controller with amounts of level to be controlled, and thereby controls the power ratio, the amounts being based on the result of monitoring by the monitor.
10. The optical receiver according to claim 7, wherein the controlling amount providing unit controls the amplitudes of the input light and the local light while maintaining the power ratio on the basis of the result of the monitoring by the monitor.
11. The optical receiver according to claim 8, wherein the controlling amount providing unit controls the amplitudes of the input light and the local lights while maintaining the power ratio on the basis of the result of the monitoring by the monitor.
12. The optical receiver according to claim 9, wherein the controlling amount providing unit controls the amplitudes of the input light and the local lights while maintaining the power ratio on the basis of the result of the monitoring by the monitor.
13. The optical receiver according to claim 7, wherein:
the light receiving device comprises, for each of the signal lights to be received,
a single end photodiode which receives the signal light, and
an amplifier which amplifies an output from the light receiving device and outputs an analog signal corresponding to the amplitude of the signal light,
the controlling amount providing unit controlling individual gain of the amplifier while maintaining the power ratio on the basis of the result of the monitoring by the monitor.
14. The optical receiver according to claim 8, wherein:
the light receiving device comprises, for each of the signal lights to be received,
a single end photodiode which receives the signal light, and
an amplifier which amplifies an output from the light receiving device and outputs an analog signal corresponding to the amplitude of the signal light,
the controlling amount providing unit controlling individual gain of the amplifier while maintaining the power ratio on the basis of the result of the monitoring by the monitor.
15. The optical receiver according to claim 9, wherein:
the light receiving device comprises, for each of the signal lights to be received,
a single end photodiode which receives the signal light, and
an amplifier which amplifies an output from the light receiving device and outputs an analog signal corresponding to the amplitude of the signal light,
the controlling amount providing unit controlling individual gain of the amplifier while maintaining the power ratio on the basis of the result of the monitoring by the monitor.
16. The optical receiver according to claim 7, further comprising a level monitor which monitors the levels of the digital signals from the analog-to-digital converter,
the controlling amount providing unit controlling individual gains of the amplifiers on the basis of the result of the monitoring by the level monitor while maintaining the power ratio.
17. The optical receiver according to claim 8, further comprising a level monitor which monitors the levels of the digital signals from the analog-to-digital converter,
the controlling amount providing unit controlling individual gains of the amplifiers on the basis of the result of the monitoring by the level monitor while maintaining the power ratio.
18. The optical receiver according to claim 9, further comprising a level monitor which monitors the levels of the digital signals from the analog-to-digital converter,
the controlling amount providing unit controlling individual gains of the amplifiers on the basis of the result of the monitoring by the level monitor while maintaining the power ratio.
19. A method for optical reception comprising:
mixing input light and local light to thereby obtain in-phase signal light and quadrature-phase signal light;
converting the in-phase signal light and the quadrature-phase signal light into respective analog electric signals;
converting the analog electric signals into respective digital signals;
performing digital signal processing using each of the digital signals;
monitoring a quality of a receiving signal with reference to information obtained through the digital signal processing; and
controlling, on the basis of the result of the monitoring, a power ratio between the input light and the local light that are to be mixed with each other.
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 system for treating a break in glass comprising:
a resin injection system having laterally projected support legs, the outer extreme of which define a substantially annular shape, the support legs supporting the resin injection system in an operable position relative to the break; and
a lamp system, the lamp system having a housing and a light source mounted inside the housing, the housing ad the light source having a substantially annular shape,
the lamp system mounted on the resin injection system whereby the light source defines a circular path within the annular shape of the support legs and the housing surrounding the support legs.
2. The system of claim 1, wherein the light source comprises a light bulb, the light bulb having a substantially annular shape, and configured to provide a predetermined type of light having a predetermined intensity value.
3. The system of claim 1, wherein the housing comprises a bulb housing, the bulb housing having a substantially annular shape that substantially corresponds to the shape of the light source to facilitate accommodation of the light source within the bulb housing, and having a hole, proximately at a canter of the bulb housing, configured to accommodate the resin injection system.
4. The system of claim 1 further comprising a connectable power cord, the connectable power cord having an integrated electrical power management device to provide electrical power to the light source from one or more types of electrical power sources.
5. The system of claim 4, wherein the lamp system housing includes a handle for receiving the connectable power cord, said connectable power cord comprises a connectable power cord having the integrated electrical power management device located at a predetermined distance from the handle.
6. The system of claim 4, wherein the one or more types of electrical power sources comprise of at least one of a battery included in a vehicle and an electrical wall outlet.
7. The system of claim 1 further comprising a bulb shield, the bulb shield having a substantially annular shape that substantially corresponds to the shape of the light source and the housing, and configured to provide protection for the light source while facilitating maximum use of the light source at a predetermined intensity value.
8. The system of claim 7, wherein the bulb shield comprises a bulb shield made of a plastic having a predetermined amount of ultraviolet (UV) light inhibitor.
9. The system of claim 8, wherein the bulb shield comprises a bulb shield made of butyrate plastic.
10. The system of claim 1, wherein the light source comprises a fluorescent light source configured to provide ultraviolet (UV) light at a predetermined intensity value.
11. The system of claim 10, wherein the fluorescent light source comprises a fluorescent light source configured to provide (UV) light having a wavelength between 350 and 380 nanometers.
12. The system of claim 1, wherein the housing comprises a housing having interlocking features to facilitate integration with a support structure included in the resin injection system.
13. The system of claim 1, wherein the housing comprises a housing made of a metallic material to facilitate reflectiveness of an inside of the housing.
14. An apparatus comprising:
a light bulb, the light bulb having a substantially annular shape configured to accommodate a resin injection system including a support structure having at least one radially projected support leg for supporting the system on a glass surface; and
a bulb housing having a substantially annular shape that substantially corresponds to the shape of the light bulb to facilitate accommodation of the light bulb within the bulb housing, and having an open bottom for projecting light onto said glass surface, and further having a top and a hole in the top, proximately at a center of the substantially annular shape of the bulb bossing to facilitate operation of the injection system, said housing configured to accommodate the resin injection system, and the light bulb overlying the at least one radially projected support leg of the support structure resulting in the annular light bulb having a relatively close diameter that is radially inward of the radial projection of said at least one radially projected support leg.
15. The apparatus of claim 14 further comprising a bulb shield, the bulb shield having a substantially annular shape that substantially corresponds to the shape of the light bulb, and configured to provide protection for the light bulb while facilitating maximum use of the light at the predetermined intensity value.
16. The apparatus of claim 15, wherein the bulb shield comprises a bulb shield made of a plastic having a predetermined amount of ultraviolet (UV) light inhibitor.
17. The apparatus of claim 16, wherein the bulb shield comprises a bulb shield made of butyrate plastic.
18. The apparatus of claim 14, wherein the light bulb comprises a fluorescent bulb configured to provide ultraviolet (UV) light at the predetermined intensity value.
19. The apparatus of claim 18, wherein the fluorescent bulb comprises a fluorescent bulb configured to provide (UV) light having a wavelength between 350 and 380 nanometers.
20. A system for treating a break in glass comprising:
a resin injection system;
a lamp system, the lamp system having a substantially annular shape configured to accommodate the resin injection system, said lamp system comprising:
a light bulb, the light bulb having a substantially annular shape, and configured to provide a predetermined type of light having a predetermined intensity value,
a bulb housing, the bulb housing having a substantially annular shape that substantially corresponds to the shape of the light bulb to facilitate accommodation of the light bulb within the bulb housing, and having a hole, proximately at a center of the substantially annular shape of the bulb housing, configured to accommodate a resin injection system;
a connectable power cord, the connectable power cord having an integrated electrical power management device to provide electrical power to the lamp system from one or more types of electrical power sources;
a handle coupled to the bulb housing, the handle configured to receive the connectable power cord;
said bulb housing having interlocking features to facilitate integration with a support structure included in the resin injection system.
21. The system of claim 20 further comprising a bulb shield, the bulb shield having a substantially annular shape that substantially corresponds to the shape of the light bulb and the bulb housing, and configured to provide protection for the light bulb while facilitating maximum use of the tight at the predetermined intensity value.
22. The system of claim 21, wherein the bulb shield comprises a bulb shield made of a plastic having a predetermined amount of ultraviolet light inhibitor.
23. The system of claim 22, wherein the bulb shield comprises a bulb shield made of butyrate plastic.
24. The system of claim 20, wherein the light bulb comprises a fluorescent bulb configured to provide ultraviolet (UV) light, at the predetermined intensity value.
25. The system of claim 24, wherein the fluorescent bulb comprises a fluorescent bulb configured to provide (UV) light having a wavelength between 350 and 380 nanometers.
26. The system of claim 20, wherein the bulb housing comprises a bulb housing made of a metallic material to facilitate reflectiveness of an inside of the bulb housing.
27. The system of claim 20, wherein the connectable power cord comprises a connectable power cord hang the integrated electrical power management device located at a predetermined distance from the bulb housing.
28. The system of claim 20, wherein the connectable power cord comprises a connectable power cord having an integrated electrical power management device configured to convert electrical power at a first level to electrical power at a second level.