NL7503482A - DETECTION DEVICE FOR ONE-SIDED DIRECTED FLOWS. - Google Patents

DETECTION DEVICE FOR ONE-SIDED DIRECTED FLOWS.

Info

Publication number: NL7503482A
Authority: NL; Netherlands
Prior art keywords: detection device; directed flows; sided directed; sided; flows
Prior art date: 1974-03-29

Application number

NL7503482A

Other languages

Dutch (nl)

Original Assignee

Western Electric Co

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

1975-10-01

1975-03-24 Application filed by Western Electric Co filed Critical Western Electric Co

1975-10-01 Publication of NL7503482A publication Critical patent/NL7503482A/en

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)
Interface Circuits In Exchanges (AREA)
Telephonic Communication Services (AREA)

NL7503482A 1974-03-29 1975-03-24 DETECTION DEVICE FOR ONE-SIDED DIRECTED FLOWS. NL7503482A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
NL7503482A true NL7503482A (en)	1975-10-01

Family

ID=23812497

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7503482A NL7503482A (en)	1974-03-29	1975-03-24	DETECTION DEVICE FOR ONE-SIDED DIRECTED FLOWS.

Country Status (5)

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

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- 1975-03-28 FR FR7509946A patent/FR2266175A1/en not_active Withdrawn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

Also Published As

Publication number	Publication date
FR2266175A1 (en)	1975-10-24
BE827067A (en)	1975-07-16
DE2512179A1 (en)	1975-10-09
JPS50138705A (en)	1975-11-05

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