BE346568A - - Google Patents

Info

Publication number

BE346568A

BE346568A BE346568DA BE346568A BE 346568 A BE346568 A BE 346568A BE 346568D A BE346568D A BE 346568DA BE 346568 A BE346568 A BE 346568A

Authority

BE

Belgium

Prior art keywords

switch

telephone system

relay

regulating device

circuit

Prior art date

Links

• Espacenet
• Global Dossier
• Discuss

• 230000001105 regulatory effect Effects 0.000 claims description 8
• 239000004020 conductor Substances 0.000 description 20
• 238000004804 winding Methods 0.000 description 12
• 230000005284 excitation Effects 0.000 description 4
• 238000004891 communication Methods 0.000 description 3
• 230000000903 blocking effect Effects 0.000 description 2
• 230000000977 initiatory effect Effects 0.000 description 2
• 230000001276 controlling effect Effects 0.000 description 1
• 230000001627 detrimental effect Effects 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 238000004519 manufacturing process 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
• 230000002787 reinforcement Effects 0.000 description 1
• 238000012360 testing method Methods 0.000 description 1