SE368650B - - Google Patents
Info
- Publication number
- SE368650B SE368650B SE00315/72A SE31572A SE368650B SE 368650 B SE368650 B SE 368650B SE 00315/72 A SE00315/72 A SE 00315/72A SE 31572 A SE31572 A SE 31572A SE 368650 B SE368650 B SE 368650B
- Authority
- SE
- Sweden
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/017545—Coupling arrangements; Impedance matching circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/03—Hybrid circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10880371A | 1971-01-22 | 1971-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE368650B true SE368650B (OSRAM) | 1974-07-08 |
Family
ID=22324131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE00315/72A SE368650B (OSRAM) | 1971-01-22 | 1972-01-12 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3673519A (OSRAM) |
| JP (1) | JPS5326466B1 (OSRAM) |
| BE (1) | BE778176A (OSRAM) |
| CA (1) | CA935533A (OSRAM) |
| DE (1) | DE2202305C3 (OSRAM) |
| FR (1) | FR2122606B1 (OSRAM) |
| GB (1) | GB1362083A (OSRAM) |
| IT (1) | IT948222B (OSRAM) |
| NL (1) | NL7200648A (OSRAM) |
| SE (1) | SE368650B (OSRAM) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3754196A (en) * | 1972-02-17 | 1973-08-21 | Ncr | Communications bridge for impedance matching of a plurality of lines |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2499423A (en) * | 1944-09-30 | 1950-03-07 | Hartford Nat Bank & Trust Comp | Telephone transmission circuits for coupling input and output devices to a telephone line |
| US2747165A (en) * | 1949-07-07 | 1956-05-22 | Pye Ltd | Transformers and networks for tapping or branching cables carrying two or more frequency bands |
| US2687513A (en) * | 1952-03-18 | 1954-08-24 | Rca Corp | Impedance transformation network |
| US3213346A (en) * | 1962-11-23 | 1965-10-19 | King Radio Corp | Transistor power supply |
| US3484727A (en) * | 1967-10-26 | 1969-12-16 | Allis Chalmers Mfg Co | Tapped transformer winding having high short circuit strength |
| US3503016A (en) * | 1968-08-28 | 1970-03-24 | Adams Russel Co Inc | Low frequency hybrid circuit having unbalanced parts |
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1971
- 1971-01-22 US US108803A patent/US3673519A/en not_active Expired - Lifetime
- 1971-08-27 CA CA121579A patent/CA935533A/en not_active Expired
-
1972
- 1972-01-12 SE SE00315/72A patent/SE368650B/xx unknown
- 1972-01-15 IT IT47748/72A patent/IT948222B/it active
- 1972-01-17 NL NL7200648A patent/NL7200648A/xx not_active Application Discontinuation
- 1972-01-18 BE BE778176A patent/BE778176A/xx unknown
- 1972-01-18 GB GB230472A patent/GB1362083A/en not_active Expired
- 1972-01-19 DE DE2202305A patent/DE2202305C3/de not_active Expired
- 1972-01-21 JP JP769072A patent/JPS5326466B1/ja active Pending
- 1972-01-21 FR FR7202153A patent/FR2122606B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2122606A1 (OSRAM) | 1972-09-01 |
| BE778176A (fr) | 1972-05-16 |
| DE2202305C3 (de) | 1975-09-18 |
| DE2202305A1 (de) | 1972-10-19 |
| JPS5326466B1 (OSRAM) | 1978-08-02 |
| IT948222B (it) | 1973-05-30 |
| GB1362083A (en) | 1974-07-30 |
| CA935533A (en) | 1973-10-16 |
| NL7200648A (OSRAM) | 1972-07-25 |
| US3673519A (en) | 1972-06-27 |
| DE2202305B2 (OSRAM) | 1975-02-13 |
| FR2122606B1 (OSRAM) | 1977-01-14 |