NL56596C - - Google Patents

Info

Publication number: NL56596C
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.)

1937-10-19

Publication of NL56596C publication Critical patent/NL56596C/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/36—Repeater circuits
- H04B3/38—Repeater circuits for signals in two different frequency ranges transmitted in opposite directions over the same transmission path
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/65—Arrangements characterised by transmission systems for broadcast
- H04H20/76—Wired systems
- H04H20/77—Wired systems using carrier waves
- H04H20/81—Wired systems using carrier waves combined with telephone network over which the broadcast is continuously available

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Computer Networks & Wireless Communication (AREA)
Coils Or Transformers For Communication (AREA)

NL56596D 1937-10-19 NL56596C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE212070X		1937-10-19

Publications (1)

Publication Number	Publication Date
NL56596C true NL56596C (enrdf_load_html_response)

Family

ID=5806132

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL56596D NL56596C (enrdf_load_html_response)	1937-10-19

Country Status (4)

Country	Link
CH (1)	CH212070A (enrdf_load_html_response)
FR (1)	FR844608A (enrdf_load_html_response)
GB (1)	GB514074A (enrdf_load_html_response)
NL (1)	NL56596C (enrdf_load_html_response)

0
- NL NL56596D patent/NL56596C/xx active
1938
- 1938-10-03 CH CH212070D patent/CH212070A/de unknown
- 1938-10-11 FR FR844608D patent/FR844608A/fr not_active Expired
- 1938-10-14 GB GB29841/38A patent/GB514074A/en not_active Expired

Also Published As

Publication number	Publication date
GB514074A (en)	1939-10-30
CH212070A (de)	1940-10-31
FR844608A (fr)	1939-07-28

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