BE476860A - - Google Patents

Info

Publication number: BE476860A
Authority: BE; Belgium

Application number

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.)

1946-10-03

Publication of BE476860A publication Critical patent/BE476860A/xx

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)

BE476860D 1946-10-03 BE476860A (en))

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR935404T		1946-10-03

Publications (1)

Publication Number	Publication Date
BE476860A true BE476860A (en))

Family

ID=9456777

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE476860D BE476860A (en))	1946-10-03

Country Status (2)

Country	Link
BE (1)	BE476860A (en))
FR (1)	FR935404A (en))

0
- BE BE476860D patent/BE476860A/xx unknown
1946
- 1946-10-03 FR FR935404D patent/FR935404A/fr not_active Expired

Also Published As

Publication number	Publication date
FR935404A (fr)	1948-06-18

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