초록 ▼

The present invention relates to a composition for preparing optical fiber coatings, the composition including a polymerizable base composition, containing at least one monomer and optionally at least one oligomer, wherein the polymerizable base composition is substantially free of unsaturated epoxi

The present invention relates to a composition for preparing optical fiber coatings, the composition including a polymerizable base composition, containing at least one monomer and optionally at least one oligomer, wherein the polymerizable base composition is substantially free of unsaturated epoxidized diene polymers, and a tackifier present in an amount effective to modify a time-sensitive rheological property of a polymerization product of the composition. Another aspect of the present invention relates to a method of modifying a time-sensitive rheological property of an optical fiber coating by introducing into a polymerizable composition a tackifier in an amount effective to modify a time-sensitive rheological property of the polymerization product of the polymerizable composition. Also disclosed are an optical fiber, a fiber optic ribbon, and a fiber bundle that contain coating(s) prepared from a composition of the present invention.

대표청구항 ▼

The present invention relates to a composition for preparing optical fiber coatings, the composition including a polymerizable base composition, containing at least one monomer and optionally at least one oligomer, wherein the polymerizable base composition is substantially free of unsaturated epoxi

The present invention relates to a composition for preparing optical fiber coatings, the composition including a polymerizable base composition, containing at least one monomer and optionally at least one oligomer, wherein the polymerizable base composition is substantially free of unsaturated epoxidized diene polymers, and a tackifier present in an amount effective to modify a time-sensitive rheological property of a polymerization product of the composition. Another aspect of the present invention relates to a method of modifying a time-sensitive rheological property of an optical fiber coating by introducing into a polymerizable composition a tackifier in an amount effective to modify a time-sensitive rheological property of the polymerization product of the polymerizable composition. Also disclosed are an optical fiber, a fiber optic ribbon, and a fiber bundle that contain coating(s) prepared from a composition of the present invention. ates a main function representative of the correlation ratios between the data of the first and second sets, and a second module which determines a registration transformation between one of the images and the other from the main function. d a second section, each profile section having a resampling ratio varying between the aspect ratio of the original display format and the aspect ratio of the programmed display format. 7. A video decoder according to claim 4, wherein the video signal is an image represented by a plurality of pixel groups defined by the original display format, and the means for modifying the respective display spatial resolution includes: conversion means for converting, when operated in the second mode, the respective aspect ratio of the original display format of the image to the aspect ratio of the programmed display format by applying a resampling profile to selected ones of the plurality of pixel groups. 8. A video decoder according to claim 7, wherein the resampling profile applied by the conversion means includes at least a first and a second section, each profile section having a resampling ratio varying between the aspect ratio of the original display format and the aspect ratio of the programmed display format, and wherein the conversion means converts the image represented by the plurality of pixel groups having the aspect ratio of the original display format is converted to a new image having the aspect ratio of the programmed display format by resampling of each one of the plurality of pixel groups according to the resampling profile. 9. A video decoder according to claim 7, wherein the resampling profile applied by the conversion means includes at least a first and a second section, each profile section having a resampling ratio varying between the aspect ratio of the original display format and the aspect ratio of the programmed display format, and wherein the conversion means converts the image represented by the plurality of pixel groups having the aspect ratio of the original display format to a new image having the aspect ratio of the programmed display format by resampling of selected ones of the plurality of pixel groups while blanking remaining ones of the plurality of pixel groups. 10. A video decoder according to claim 7, wherein the conversion means converts the respective aspect ratio between 1) the aspect ratio of the original display format having a 16 by 9 ratio, and the aspect ratio of the programmed display format having a ratio of 4 by 3, and 2) the aspect ratio of the original display format having a 4 by 3 ratio, and the aspect ratio of the programmed display format having a ratio of 16 by 9. 11. A video decoder according to claim 1, further comprising a user interface means for receiving a display type signal, the display type signal corresponding to a display type selected from the group consisting of SDTV, S-video, HDTV, and computer monitor, and wherein the control means further provides the formatting control signal having the respective display type of the display type signal so that the formatting circuitry formats the display video signal for the corresponding display type. 12. A video decoder according to claim 1, wherein the decoding circuitry includes a memory, the memory having a first and a second section, wherein the decoding circuitry employs both the first and the second section of the memory when the video decoder is operated in the first mode and only one of the first and the second sections of the memory when the video decoder is operated in the second mode. 13. A digital video decoder which receives and decodes an encoded video signal and is operated in one of a first and a second mode, of which the video decoder provides the video signal as a display video signal having a respective display resolution and a respective display format, the video decoder comprising: a terminal for receiving an encoded video signal; decoding circuitry which operates in the first mode to decode the received encoded video signal to provide a decoded video signal having a first spatial resolution and which operates in the second mode to provide the decoded video signal having a second spatial resolution