BE525745A - - Google Patents

Info

Publication number: BE525745A
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.)

1953-01-17

Publication of BE525745A publication Critical patent/BE525745A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

BE525745D 1953-01-17 BE525745A (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DEM17021A DE967980C (de)	1953-01-17	1953-01-17	Schaltungsanordnung zur Signalgabe mittels Wechselstrom beliebiger Frequenz

Publications (1)

Publication Number	Publication Date
BE525745A true BE525745A (cg-RX-API-DMAC7.html)

Family

ID=27770764

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE525745D BE525745A (cg-RX-API-DMAC7.html)	1953-01-17

Country Status (3)

Country	Link
BE (1)	BE525745A (cg-RX-API-DMAC7.html)
CH (1)	CH327601A (cg-RX-API-DMAC7.html)
DE (1)	DE967980C (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1165095B (de) *	1961-04-26	1964-03-12	Siemens Ag	Schaltungsanordnung zum Empfang von Rueckkennzeichen in Fernmelde-, insbesondere Fernsprechanlagen

0
- BE BE525745D patent/BE525745A/xx unknown
1953
- 1953-01-17 DE DEM17021A patent/DE967980C/de not_active Expired
1954
- 1954-01-15 CH CH327601D patent/CH327601A/de unknown

Also Published As

Publication number	Publication date
DE967980C (de)	1958-01-02
CH327601A (de)	1958-01-31

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