BE827067A - Detecteur de courant unidirectionnel - Google Patents

Detecteur de courant unidirectionnel

Info

Publication number: BE827067A
Authority: BE; Belgium
Prior art keywords: current detector; unidirectional current; unidirectional; detector; current
Prior art date: 1974-03-29

Application number

BE154655A

Other languages

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-03-29

Filing date

1975-03-24

Publication date

1975-07-16

1975-03-24 Application filed filed Critical

1975-07-16 Publication of BE827067A publication Critical patent/BE827067A/fr

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Telephonic Communication Services (AREA)
Interface Circuits In Exchanges (AREA)

BE154655A 1974-03-29 1975-03-24 Detecteur de courant unidirectionnel BE827067A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US45637174A	1974-03-29	1974-03-29

Publications (1)

Publication Number	Publication Date
BE827067A true BE827067A (fr)	1975-07-16

Family

ID=23812497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE154655A BE827067A (fr)	1974-03-29	1975-03-24	Detecteur de courant unidirectionnel

Country Status (5)

Country	Link
JP (1)	JPS50138705A (fr)
BE (1)	BE827067A (fr)
DE (1)	DE2512179A1 (fr)
FR (1)	FR2266175A1 (fr)
NL (1)	NL7503482A (fr)

1975
- 1975-03-20 DE DE19752512179 patent/DE2512179A1/de active Pending
- 1975-03-24 NL NL7503482A patent/NL7503482A/xx unknown
- 1975-03-24 BE BE154655A patent/BE827067A/fr unknown
- 1975-03-28 JP JP50037054A patent/JPS50138705A/ja active Pending
- 1975-03-28 FR FR7509946A patent/FR2266175A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
FR2266175A1 (en)	1975-10-24
NL7503482A (nl)	1975-10-01
DE2512179A1 (de)	1975-10-09
JPS50138705A (fr)	1975-11-05

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