NL63339C - - Google Patents
Info
- Publication number
- NL63339C NL63339C NL63339DA NL63339C NL 63339 C NL63339 C NL 63339C NL 63339D A NL63339D A NL 63339DA NL 63339 C NL63339 C NL 63339C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
- H01P5/22—Hybrid ring junctions
- H01P5/225—180° reversed phase hybrid rings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/19—Conjugate devices, i.e. devices having at least one port decoupled from one other port of the junction type
- H01P5/22—Hybrid ring junctions
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US140594A US2147809A (en) | 1937-05-04 | 1937-05-04 | High frequency bridge circuits and high frequency repeaters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL63339C true NL63339C (de) |
Family
ID=22491950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL63339D NL63339C (de) | 1937-05-04 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2147809A (de) |
| NL (1) | NL63339C (de) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2666132A (en) * | 1941-01-28 | 1954-01-12 | Wilmer L Barrow | Ultrahigh-frequency bridge circuit and apparatus |
| US2725533A (en) * | 1941-01-28 | 1955-11-29 | Wilmer L Barrow | Bridge circuit embodying artificial transmission lines |
| US2416790A (en) * | 1941-01-28 | 1947-03-04 | Sperry Gyroscope Co Inc | Transmission line bridge circuit |
| US2436828A (en) * | 1942-12-31 | 1948-03-02 | Bell Telephone Labor Inc | Coupling arrangement for use in wave transmission systems |
| NL89000C (de) * | 1942-12-31 | |||
| FR948355A (fr) * | 1942-12-31 | 1949-07-29 | Western Electric Co | Dispositif de couplage utilisables dans les systèmes de transmission d'ondes |
| US2534624A (en) * | 1943-05-29 | 1950-12-19 | Hartford Nat Bank & Trust Co | Transmitting device |
| NL67941C (de) * | 1943-06-01 | |||
| US2416105A (en) * | 1943-09-30 | 1947-02-18 | Rca Corp | Transmit-receive switch |
| US2544832A (en) * | 1945-08-08 | 1951-03-13 | Jr Lawrence N Hadley | Variable frequency tank circuit |
| US2507915A (en) * | 1946-08-28 | 1950-05-16 | Rca Corp | Coupling circuit |
| US2644928A (en) * | 1948-06-09 | 1953-07-07 | Rca Corp | Directional transmission line transducer |
| US2784381A (en) * | 1948-10-05 | 1957-03-05 | Bell Telephone Labor Inc | Hybrid ring coupling arrangements |
| US2639325A (en) * | 1950-03-24 | 1953-05-19 | Bell Telephone Labor Inc | Hybrid ring |
| NL82347C (de) * | 1950-06-02 | 1900-01-01 | ||
| GB888901A (en) * | 1959-07-23 | 1962-02-07 | Gen Electric Co Ltd | Improvements in or relating to four-terminal phase equaliser electric networks |
| US3522526A (en) * | 1967-03-17 | 1970-08-04 | Albert E Sanderson | Multiport radio frequency measuring and coupling circuits having matched input impedance at unknown port |
| US8144066B2 (en) * | 2009-02-26 | 2012-03-27 | Harris Corporation | Wireless communications including an antenna for wireless power transmission and data communication and associated methods |
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0
- NL NL63339D patent/NL63339C/xx active
-
1937
- 1937-05-04 US US140594A patent/US2147809A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2147809A (en) | 1939-02-21 |