NL42520C - - Google Patents

Info

Publication number: NL42520C
Authority: NL; Netherlands

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.)

1934-02-09

Publication of NL42520C publication Critical patent/NL42520C/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)
Interface Circuits In Exchanges (AREA)
Telephonic Communication Services (AREA)

NL42520D 1934-02-09 NL42520C (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE436624X		1934-02-09

Publications (1)

Publication Number	Publication Date
NL42520C true NL42520C (enrdf_load_stackoverflow)

Family

ID=6506921

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL42520D NL42520C (enrdf_load_stackoverflow)	1934-02-09

Country Status (5)

Country	Link
BE (1)	BE407758A (enrdf_load_stackoverflow)
DK (1)	DK53547C (enrdf_load_stackoverflow)
FR (1)	FR785950A (enrdf_load_stackoverflow)
GB (1)	GB436624A (enrdf_load_stackoverflow)
NL (1)	NL42520C (enrdf_load_stackoverflow)

0
- NL NL42520D patent/NL42520C/xx active
- BE BE407758D patent/BE407758A/xx unknown
1935
- 1935-02-08 FR FR785950D patent/FR785950A/fr not_active Expired
- 1935-02-08 DK DK53547D patent/DK53547C/da active
- 1935-02-11 GB GB4370/35A patent/GB436624A/en not_active Expired

Also Published As

Publication number	Publication date
DK53547C (da)	1937-09-06
GB436624A (en)	1935-10-15
BE407758A (enrdf_load_stackoverflow)
FR785950A (fr)	1935-08-22

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