BE521894A - - Google Patents

Info

Publication number

BE521894A

BE521894A BE521894DA BE521894A BE 521894 A BE521894 A BE 521894A BE 521894D A BE521894D A BE 521894DA BE 521894 A BE521894 A BE 521894A

Authority

BE

Belgium

Prior art keywords

signal

circuit

station

signals

telephone

Prior art date

Links

• Espacenet
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• 230000009471 action Effects 0.000 claims description 2
• 230000011664 signaling Effects 0.000 description 7
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• 230000004048 modification Effects 0.000 description 2
• 238000012986 modification Methods 0.000 description 2
• 230000008569 process Effects 0.000 description 2
• 230000008054 signal transmission Effects 0.000 description 2
• 230000008901 benefit Effects 0.000 description 1
• 230000008859 change Effects 0.000 description 1
• 238000004891 communication Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 229920001971 elastomer Polymers 0.000 description 1
• 230000036541 health Effects 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 239000002184 metal Substances 0.000 description 1
• 235000020004 porter Nutrition 0.000 description 1
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• 239000005060 rubber Substances 0.000 description 1
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• 238000011144 upstream manufacturing Methods 0.000 description 1