SE344396B - - Google Patents
Info
- Publication number
- SE344396B SE344396B SE14023/69A SE1402369A SE344396B SE 344396 B SE344396 B SE 344396B SE 14023/69 A SE14023/69 A SE 14023/69A SE 1402369 A SE1402369 A SE 1402369A SE 344396 B SE344396 B SE 344396B
- 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
- H04B1/50—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
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2133—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using coaxial filters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transceivers (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1539368A CH477132A (de) | 1968-10-15 | 1968-10-15 | Sende-Empfangseinrichtung für sehr hohe Frequenzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE344396B true SE344396B (de) | 1972-04-10 |
Family
ID=4408732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE14023/69A SE344396B (de) | 1968-10-15 | 1969-10-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3624508A (de) |
| AT (1) | AT292790B (de) |
| CH (1) | CH477132A (de) |
| NL (1) | NL165897C (de) |
| SE (1) | SE344396B (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870960A (en) * | 1973-10-12 | 1975-03-11 | Rockwell International Corp | Mixer carrier null adjustment |
| JPS5336284B2 (de) * | 1974-09-06 | 1978-10-02 | ||
| JPS5149609A (de) * | 1974-10-28 | 1976-04-30 | Hitachi Ltd | |
| JPS5380906A (en) * | 1976-12-27 | 1978-07-17 | Oki Electric Ind Co Ltd | Frequency converter |
| JPS62274934A (ja) * | 1986-05-23 | 1987-11-28 | Nec Corp | 送受信装置 |
| US5982179A (en) * | 1997-06-04 | 1999-11-09 | Varian, Inc. | NMR circuit-switch |
| US6833704B1 (en) | 2003-07-21 | 2004-12-21 | Varian, Inc. | Multinuclear wands |
| US7639102B2 (en) * | 2008-02-20 | 2009-12-29 | Infineon Technologies Ag | Reconfigurable duplexing couplers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2789210A (en) * | 1952-12-30 | 1957-04-16 | Sylvania Electric Prod | Mixing circuit for microwave frequencies |
| US2796586A (en) * | 1953-06-04 | 1957-06-18 | Raytheon Mfg Co | Impedance matched coupling device |
| US3234555A (en) * | 1961-07-06 | 1966-02-08 | Philco Corp | Modular signal channeling system |
| US3276019A (en) * | 1964-02-11 | 1966-09-27 | Gen Precision Inc | Combined sequential beam switcher and duplexer using microwave circulators |
-
1968
- 1968-10-15 CH CH1539368A patent/CH477132A/de not_active IP Right Cessation
- 1968-12-13 NL NL6817889.A patent/NL165897C/xx not_active IP Right Cessation
-
1969
- 1969-08-26 AT AT815969A patent/AT292790B/de not_active IP Right Cessation
- 1969-09-25 US US861032A patent/US3624508A/en not_active Expired - Lifetime
- 1969-10-13 SE SE14023/69A patent/SE344396B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL165897C (nl) | 1981-05-15 |
| US3624508A (en) | 1971-11-30 |
| NL6817889A (de) | 1970-04-17 |
| CH477132A (de) | 1969-08-15 |
| AT292790B (de) | 1971-09-10 |
| NL165897B (nl) | 1980-12-15 |
| DE1809993B2 (de) | 1977-04-28 |
| DE1809993A1 (de) | 1970-06-25 |