IT1030794B - Dispositivo cadenzatore di segnali - Google Patents

Dispositivo cadenzatore di segnali

Info

Publication number: IT1030794B
Authority: IT; Italy
Prior art keywords: timer device; signal timer; signal; timer
Prior art date: 1973-11-23

Application number

IT29388/74A

Other languages

English (en)

Italian (it)

Original Assignee

Cit Alcatel

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.)

1973-11-23

Filing date

1974-11-13

Publication date

1979-04-10

1974-11-13 Application filed by Cit Alcatel filed Critical Cit Alcatel

1979-04-10 Application granted granted Critical

1979-04-10 Publication of IT1030794B publication Critical patent/IT1030794B/it

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Dc-Dc Converters (AREA)
Thyristor Switches And Gates (AREA)

IT29388/74A 1973-11-23 1974-11-13 Dispositivo cadenzatore di segnali IT1030794B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7341746A FR2252719B1 (fr)	1973-11-23	1973-11-23

Publications (1)

Publication Number	Publication Date
IT1030794B true IT1030794B (it)	1979-04-10

Family

ID=9128163

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT29388/74A IT1030794B (it)	1973-11-23	1974-11-13	Dispositivo cadenzatore di segnali

Country Status (7)

Country	Link
BE (1)	BE821373A (fr)
DE (1)	DE2455160A1 (fr)
FR (1)	FR2252719B1 (fr)
GB (1)	GB1484286A (fr)
IT (1)	IT1030794B (fr)
NL (1)	NL7415085A (fr)
SE (1)	SE7414700L (fr)

1973
- 1973-11-23 FR FR7341746A patent/FR2252719B1/fr not_active Expired
1974
- 1974-10-23 BE BE149788A patent/BE821373A/fr unknown
- 1974-11-13 IT IT29388/74A patent/IT1030794B/it active
- 1974-11-19 NL NL7415085A patent/NL7415085A/xx not_active Application Discontinuation
- 1974-11-21 DE DE19742455160 patent/DE2455160A1/de not_active Withdrawn
- 1974-11-22 SE SE7414700A patent/SE7414700L/xx unknown
- 1974-11-22 GB GB50686/74A patent/GB1484286A/en not_active Expired

Also Published As

Publication number	Publication date
GB1484286A (en)	1977-09-01
NL7415085A (nl)	1975-05-27
SE7414700L (fr)	1975-05-26
FR2252719B1 (fr)	1978-12-01
BE821373A (fr)	1975-04-23
FR2252719A1 (fr)	1975-06-20
DE2455160A1 (de)	1975-05-28

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