1. Advanced optical signal processing

2. Type of optical alarm signal

3. Optical and acoustic signal transmission and display devices

4. An unknown optical signal [628] is scanned [1204] through the tunable optical filter [402].

5. 21 The optical coupler 316 couples a portion of the Raman optical pumping signal propagating in the optical fiber span 306 to an optical filter 3

6. 6. Electro-optical and ‘optical integrated circuits’, designed for ‘signal processing’ and having all of the following:

7. The processed signal is sent from the signal processor to a data distributor using optical fibre cables.

8. The transmitter can transmit an optical signal having small dispersion cost.

9. Integrated circuit, optical disc device and tracking error signal generating method

10. Thus, an optical signal can be output through a plurality of channels without optical loss, which has the effect of improving optical communication efficiency.

11. Recent advances in fiber and optical communications technology have reduced signal degradation so far that regeneration of the optical signal is only needed over distances of hundreds of kilometers.

12. An A/D converter (14) similarly determines the signal level of the returning optical signal and sends the signal level to the shaping signal pattern generating circuit (15).

13. Employing drive signal pulses can impart further optical power change speed improvements.

14. Method for converting optical multiplex system channel signal modulation into subcarrier frequencies

15. The OLT send downlink optical signal periodically to the ONU which is in the offline state, the ONU reuses this downlink optical signal to send the access request to the OLT.

16. The hybrid selective optical router allows a channel or segment of adjacent channels (118) to be dropped from the optical signal with minimal signal degradation to the dropped or expressed channels.

17. Cables and wires, all for electrical telecommunications or optical signal transmission or aerials

18. Optical pulse-code modulation for signal transmission, particularly in strongly electromagnetically disturbed environment

19. Driver circuit of electro-optical device, driving method, d/a converter, signal driver, electro-optical panel, projection display, and electronic device

20. Optical fibres doped with the element erbium amplify the optical signal of the system and enable longer transmission ranges with higher bandwidth.

21. The present invention relates to an optical relay system that transmits a band-limited multi-band frequency signal via an optical line.

22. The detector-base assembly or connector shall be equipped with an optical alert signal.’

23. Cables and fibers for analog and digital electrical and optical signal and data transmission

24. Method and system for optimising the pulse form of an amplitude modulated optical signal

25. Estimating the Chirpiness of a spatial chirp signal is important in many optical engineering applications

26. Further, additional response to competitor's request for network access, signal processing, multiplexing and optical equipment.

27. An optical and acoustic alarm shall be present at the steering position to signal the following:

28. An optical and acoustic alarm shall be present at the steering position to signal the following

29. An optical and/or acoustic signal generator (6) indicates when a tennis ball is correctly served.

30. ‘An optical and acoustic alarm shall be present at the steering position to signal the following:’

31. The theory and experiment of optical feed back self - mixing interference signal turning points are researched.

32. ►M3 An optical and acoustic alarm shall be present at the steering position to signal the following: ◄

33. For communication with the engine rooms, this may be in the form of an optical or acoustic signal.

34. Intense searches have revealed no optical or other signal from the partner, nor does it eclipse the quasar.

35. Finally, the researchers developed and demonstrated seven novel all-optical devices for advanced signal processing in telecommunication systems.

36. A sensor (100) comprises an optical modulator (102) that generates a modulation signal, an interferometer (104) that mixes an acoustic signal evoked by a pulsed laser (110) with the modulation signal to down-convert the acoustic signal to lower frequencies, and a photodetector (124) that detects the down-converted signal.

37. The coupling of the optical signal from the silicon waveguide to the glass waveguide is adiabatic in a preferred embodiment.

38. The invention relates to a fiber optic filter device (5) for optical signal transmission systems comprising selectively tunable mode converters.

39. In the BD FACSCelesta, the optical and electronics system—lasers, filters, detectors, optical paths, and signal processing technologies—have been engineered to get the most out of BD Horizon Brilliant™ dyes.

40. The system also includes a processor to process a light reflection signal from the optical fiber to determine the acoustic information.

41. Optical receiver for receiving a signal m-valued star-shaped quadrature amplitude modulation with differential phase coding and application of same

42. Electric, optical and mechanical alert systems and apparatus as well as alert indication means and acoustic signal means for fire protection

43. A flexible band tunable filter design is disclosed which is capable of selecting any single channel or multiple of adjacent channels in a waveband of an optical signal in an optical communication network.

44. In a magneto-optical storage device, a digitally adjustable preamplifier stage balances polarization signal levels through use of a digital compensation value.

45. Collectively, computer processors in the monitors and base-units jointly assess acoustic, optical, and turbine operating data to signal a mitigation event.

46. Optical amplifiers and optical transmission line

47. With the Analytesas well as the type of signal that reaches the transducer as a result of these interactions (electrochemical or optical biosensors)

48. 30 Using the optical temperature control accessory, silica peak height signal was enhanced doubly, reducing atomization time, extending useful time of graphite tube.

49. There are several different physical mechanisms that can be used to amplify a light signal, which correspond to the major types of optical amplifiers.

50. Adhesive for optical disk and optical disk

51. Optical fibres, optical-fibre bundles and cables

52. The aberration signal is used to control a compensation element (64) in the optical path of the radiation beam incident on the record carrier.

53. Optical network system between optical line terminals in a time division passive optical network

54. Optical film having adhesive agent, and optical laminate

55. System for determining the state and motion of a human body using an optical signal, and method for determining the state of a human body

56. Acousto-optical element and acousto-optical imaging apparatus

57. Optical fiber thermometer and temperature compensation optical fiber sensor

58. - Connectors for optical fibres, optical fibre bundles or cables |

59. – connectors for optical fibres, optical fibre bundles or cables

60. For the determination of the light absorption coefficient from the opacity signal, the optical path length of the instrument shall be supplied by the instrument manufacturer.

61. For the determination of the light absorption coefficient from the opacity signal, the optical path length of the instrument shall be supplied by the instrument manufacturer

62. | –connectors for optical fibres, optical fibre bundles or cables | | |

63. Connectors for optical fibres, optical-fibre bundles or cables

64. – Connectors for optical fibres, optical fibre bundles or cables

65. Aperiodic Signal Non-periodic Signal

66. connectors for optical fibres, optical fibre bundles or cables

67. Connectors for optical fibres, optical fibre bundles or cables

68. Connectors for optical fibres, optical fibre bundles or cables:

69. connectors for optical fibres, optical fibre bundles or cables:

70. Mainly used in amplifier, optical receiver and optical emitter.

71. For the determination of the light absorption coefficient from the opacity signal, the optical path length of the instrument must be supplied by the instrument manufacturer.

72. Optical fibres and optical fibre bundles; optical fibre cables (except those made up of individually sheathed fibres)

73. Optical disc adhesive label applicator for non-circular optical discs

74. Radar, microwave, pressure, optical, acoustic, mechanical, hydraulic, magnetic, capacitive, inductive, electric, electronic and other sensors and actuators and sensor signal processing devices for use in motor vehicles

75. Optical lenses and lens systems consisting of several optical lenses

76. Digital signal processing and analog signal processing a subset of signal processing.

77. - DEVELOP BISTABLE OPTICAL DEVICES , HIGH-SPEED MODULATORS AND OPTICAL COUPLERS ;

78. Octahydrobinaphthol derivative for l/d optical conversion and optical resolution

79. Resin composition for optical film and optical film using the same

80. An optical component for introducing optical aberrations to a light beam