NL73721C - - Google Patents
Info
- Publication number
- NL73721C NL73721C NL73721DA NL73721C NL 73721 C NL73721 C NL 73721C NL 73721D A NL73721D A NL 73721DA NL 73721 C NL73721 C NL 73721C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/145—Passive relay systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/005—Antennas or antenna systems providing at least two radiating patterns providing two patterns of opposite direction; back to back antennas
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5952A US2530826A (en) | 1948-02-03 | 1948-02-03 | Radio relay system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL73721C true NL73721C (xx) |
Family
ID=21718528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL73721D NL73721C (xx) | 1948-02-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2530826A (xx) |
| BE (1) | BE487156A (xx) |
| CH (1) | CH282893A (xx) |
| FR (1) | FR978793A (xx) |
| GB (1) | GB664701A (xx) |
| NL (1) | NL73721C (xx) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2668907A (en) * | 1949-10-25 | 1954-02-09 | Gen Electric Co Ltd | Ultrahigh-frequency radio signaling system |
| US2841793A (en) * | 1953-01-22 | 1958-07-01 | Jr Cornelius Bryant Young | Microwave lens |
| GB735901A (en) * | 1953-02-06 | 1955-08-31 | Marconi Wireless Telegraph Co | Improvements in or relating to hybrid junction arrangements for use on micro radio waves |
| US3177488A (en) * | 1959-12-24 | 1965-04-06 | Bell Telephone Labor Inc | Broad band microwave radio link |
| BE638570A (xx) * | 1962-10-26 | |||
| US3649836A (en) * | 1970-04-14 | 1972-03-14 | Kurt Lehovec | Electro-optical multiple image arrangements |
| US3675128A (en) * | 1970-07-30 | 1972-07-04 | Gen Applied Science Lab Inc | Microwave repeater |
| CN106301521B (zh) * | 2016-08-01 | 2019-03-15 | 北京邮电大学 | 一种在无线供能通信网络中能量与信息的传输方法及装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1624966A (en) * | 1927-04-19 | Ambulatory repeating system | ||
| US1668637A (en) * | 1921-12-28 | 1928-05-08 | American Telephone & Telegraph | Directive radio repeating system |
| US1877815A (en) * | 1926-01-28 | 1932-09-20 | Westinghouse Electric & Mfg Co | Radio relay system |
| DE616601C (de) * | 1928-10-20 | 1935-08-01 | Lorenz Akt Ges C | Verfahren zur Rundfunkuebertragung mittels ultrakurzer Wellen |
| US1927394A (en) * | 1931-07-10 | 1933-09-19 | Int Communications Lab Inc | Ultra-short wave relay station |
| US2064961A (en) * | 1934-05-26 | 1936-12-22 | American Telephone & Telegraph | Common medium multichannel exchange system |
| US2042302A (en) * | 1935-01-10 | 1936-05-26 | Rca Corp | Radio relaying system |
| US2103357A (en) * | 1935-08-19 | 1937-12-28 | Telefunken Gmbh | Ultrashort wave system |
| US2146301A (en) * | 1936-09-25 | 1939-02-07 | Rca Corp | Radio relay system |
| US2311467A (en) * | 1941-09-27 | 1943-02-16 | Rca Corp | Radio relaying system |
| BE474864A (xx) * | 1944-04-22 |
-
0
- BE BE487156D patent/BE487156A/xx unknown
- NL NL73721D patent/NL73721C/xx active
-
1948
- 1948-02-03 US US5952A patent/US2530826A/en not_active Expired - Lifetime
-
1949
- 1949-01-10 FR FR978793D patent/FR978793A/fr not_active Expired
- 1949-01-28 GB GB2409/49A patent/GB664701A/en not_active Expired
- 1949-02-03 CH CH282893D patent/CH282893A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB664701A (en) | 1952-01-09 |
| FR978793A (fr) | 1951-04-18 |
| CH282893A (fr) | 1952-05-15 |
| BE487156A (xx) | |
| US2530826A (en) | 1950-11-21 |