BE366551A - - Google Patents

Info

Publication number: BE366551A
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.)

1928-12-28

Filing date

1929-12-28

Publication date

1929-01-31

1928-12-28 Priority claimed from DES89137D external-priority patent/DE606542C/en

1929-01-31 Publication of BE366551A publication Critical patent/BE366551A/xx

1929-04-15 Priority claimed from DES91129D external-priority patent/DE607873C/en

1929-11-19 Priority claimed from DES95080D external-priority patent/DE649978C/en

1929-12-28 Application filed filed Critical

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/06—Answer-back mechanisms or circuits

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Devices For Checking Fares Or Tickets At Control Points (AREA)
Interface Circuits In Exchanges (AREA)

BE366551D 1928-12-28 1929-12-28 BE366551A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DES89137D DE606542C (en)	1928-12-28	1928-12-28	Telegraph system based on the start-stop principle with devices for automatic feedback of a subscriber identification
DES91129D DE607873C (en)	1928-12-28	1929-04-15	Feedback device for mechanical teleprinter
DES95080D DE649978C (en)	1929-11-19	1929-11-19	Circuit arrangement for teleprinting systems with facilities for automatic feedback from subscriber identification

Publications (1)

Publication Number	Publication Date
BE366551A true BE366551A (en)	1929-01-31

Family

ID=27212866

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE366551D BE366551A (en)	1928-12-28	1929-12-28

Country Status (5)

Country	Link
BE (1)	BE366551A (en)
CH (1)	CH149259A (en)
FR (1)	FR687345A (en)
GB (1)	GB350508A (en)
NL (1)	NL41909C (en)

1929
- 1929-12-23 CH CH149259D patent/CH149259A/en unknown
- 1929-12-28 FR FR687345D patent/FR687345A/en not_active Expired
- 1929-12-28 BE BE366551D patent/BE366551A/xx unknown
- 1929-12-28 NL NL70320A patent/NL41909C/xx active
1930
- 1930-02-08 GB GB435830A patent/GB350508A/en not_active Expired

Also Published As

Publication number	Publication date
CH149259A (en)	1931-08-31
FR687345A (en)	1930-08-07
GB350508A (en)	1931-06-08
NL41909C (en)	1937-11-15

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