CH581935A5 - - Google Patents

Info

Publication number: CH581935A5
Authority: CH; Switzerland

Application number

CH552574A

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.)

1973-05-08

Filing date

1974-04-22

Publication date

1976-11-15

1974-04-22 Application filed by Cit Alcatel filed Critical Cit Alcatel

1976-11-15 Publication of CH581935A5 publication Critical patent/CH581935A5/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Devices For Supply Of Signal Current (AREA)
Telephonic Communication Services (AREA)

CH552574A 1973-05-08 1974-04-22 CH581935A5 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7316586A FR2229178B1 (fr)	1973-05-08	1973-05-08

Publications (1)

Publication Number	Publication Date
CH581935A5 true CH581935A5 (fr)	1976-11-15

Family

ID=9118979

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH552574A CH581935A5 (fr)	1973-05-08	1974-04-22

Country Status (7)

Country	Link
BE (1)	BE814455A (fr)
CH (1)	CH581935A5 (fr)
DE (1)	DE2420992A1 (fr)
FR (1)	FR2229178B1 (fr)
GB (1)	GB1445800A (fr)
IT (1)	IT1012163B (fr)
NL (1)	NL7406015A (fr)

1973
- 1973-05-08 FR FR7316586A patent/FR2229178B1/fr not_active Expired
1974
- 1974-04-22 CH CH552574A patent/CH581935A5/xx not_active IP Right Cessation
- 1974-04-26 GB GB1833574A patent/GB1445800A/en not_active Expired
- 1974-04-30 DE DE19742420992 patent/DE2420992A1/de not_active Withdrawn
- 1974-05-02 BE BE1005924A patent/BE814455A/fr unknown
- 1974-05-03 NL NL7406015A patent/NL7406015A/xx active Search and Examination
- 1974-05-08 IT IT2244274A patent/IT1012163B/it active

Also Published As

Publication number	Publication date
FR2229178B1 (fr)	1978-12-29
IT1012163B (it)	1977-03-10
NL7406015A (fr)	1974-11-12
BE814455A (fr)	1974-11-04
FR2229178A1 (fr)	1974-12-06
GB1445800A (en)	1976-08-11
DE2420992A1 (de)	1974-11-28

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Legal Events

Date	Code	Title	Description
1980-12-31	PL	Patent ceased
2024-10-31	PL	Patent ceased