NL80719C - - Google Patents
Info
- Publication number
- NL80719C NL80719C NL80719DA NL80719C NL 80719 C NL80719 C NL 80719C NL 80719D A NL80719D A NL 80719DA NL 80719 C NL80719 C NL 80719C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
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- 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
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/58—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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL897851X | 1949-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL80719C true NL80719C (lt) |
Family
ID=19856255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL80719D NL80719C (lt) | 1949-10-11 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE897851C (lt) |
NL (1) | NL80719C (lt) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE623827C (lt) * | 1932-09-03 |
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0
- NL NL80719D patent/NL80719C/xx active
-
1950
- 1950-10-11 DE DEST2618A patent/DE897851C/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE897851C (de) | 1953-11-26 |