BE482465A - - Google Patents

Info

Publication number: BE482465A
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.)

1947-04-29

Publication of BE482465A publication Critical patent/BE482465A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/40—Applications of speech amplifiers

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

BE482465D 1947-04-29 BE482465A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1145447A GB633112A (en)	1947-04-29	1947-04-29	Improvements in or relating to telecommunication exchange systems

Publications (1)

Publication Number	Publication Date
BE482465A true BE482465A (cg-RX-API-DMAC7.html)

Family

ID=9986554

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE482465D BE482465A (cg-RX-API-DMAC7.html)	1947-04-29

Country Status (2)

Country	Link
BE (1)	BE482465A (cg-RX-API-DMAC7.html)
GB (1)	GB633112A (cg-RX-API-DMAC7.html)

0
- BE BE482465D patent/BE482465A/xx unknown
1947
- 1947-04-29 GB GB1145447A patent/GB633112A/en not_active Expired

Also Published As

Publication number	Publication date
GB633112A (en)	1949-12-12

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