BE491234A - - Google Patents

Info

Publication number

BE491234A

BE491234A BE491234DA BE491234A BE 491234 A BE491234 A BE 491234A BE 491234D A BE491234D A BE 491234DA BE 491234 A BE491234 A BE 491234A

Authority

BE

Belgium

Prior art keywords

relay

line

test

circuit

telephone system

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• 238000012360 testing method Methods 0.000 claims description 125
• 239000004020 conductor Substances 0.000 claims description 101
• 230000008030 elimination Effects 0.000 claims description 4
• 238000003379 elimination reaction Methods 0.000 claims description 4
• 230000006866 deterioration Effects 0.000 claims 1
• NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims 1
• 239000003471 mutagenic agent Substances 0.000 claims 1
• 239000000126 substance Substances 0.000 claims 1
• 238000004804 winding Methods 0.000 description 19
• 230000002787 reinforcement Effects 0.000 description 7
• 239000003990 capacitor Substances 0.000 description 5
• 230000000694 effects Effects 0.000 description 5
• 230000003111 delayed effect Effects 0.000 description 4
• 230000006870 function Effects 0.000 description 4
• 230000005540 biological transmission Effects 0.000 description 3
• 230000002159 abnormal effect Effects 0.000 description 2
• 230000005284 excitation Effects 0.000 description 2
• 230000003213 activating effect Effects 0.000 description 1
• 230000002411 adverse Effects 0.000 description 1
• 230000008033 biological extinction Effects 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 230000001681 protective effect Effects 0.000 description 1
• 230000011664 signaling Effects 0.000 description 1
• 239000007858 starting material Substances 0.000 description 1