BE461892A - - Google Patents
Info
- Publication number
- BE461892A BE461892A BE461892DA BE461892A BE 461892 A BE461892 A BE 461892A BE 461892D A BE461892D A BE 461892DA BE 461892 A BE461892 A BE 461892A
- Authority
- BE
- Belgium
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/023—Neutralization of the automatic frequency correction during a tuning change
-
- 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
- H04B1/44—Transmit/receive switching
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL248979X | 1944-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE461892A true BE461892A (US20080094685A1-20080424-C00004.png) |
Family
ID=19780981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE461892D BE461892A (US20080094685A1-20080424-C00004.png) | 1944-01-05 |
Country Status (6)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE514424A (US20080094685A1-20080424-C00004.png) * | 1951-09-27 | |||
| US2901597A (en) * | 1955-07-19 | 1959-08-25 | Craig L Whitman | Transmitter frequency control |
| US3935533A (en) * | 1973-03-02 | 1976-01-27 | United Technologies Corporation | Single oscillator microwave transceiver |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL54603C (US20080094685A1-20080424-C00004.png) * | 1936-10-17 | |||
| US2206695A (en) * | 1937-07-10 | 1940-07-02 | Radio Patents Corp | Means for receiving high frequency signals |
| GB551472A (en) * | 1941-08-20 | 1943-02-24 | James White Dalgleish | Improvements in modulated high frequency carrier wave signalling systems |
| US2317547A (en) * | 1941-09-06 | 1943-04-27 | Don C Mcrae | Communication system |
| US2408826A (en) * | 1943-06-21 | 1946-10-08 | Galvin Mfg Corp | Combined frequency modulation radio transmitter and receiver |
| US2425013A (en) * | 1944-04-07 | 1947-08-05 | Sperry Gyroscope Co Inc | Frequency control system |
| US2379395A (en) * | 1944-05-05 | 1945-06-26 | Hartford Nat Bank & Trust Co | Fm transceiver |
-
0
- BE BE461892D patent/BE461892A/xx unknown
- NL NL114597D patent/NL114597B/xx unknown
- NL NL64005D patent/NL64005C/xx active
-
1945
- 1945-12-10 CH CH248979D patent/CH248979A/de unknown
-
1946
- 1946-12-16 GB GB36997/46A patent/GB627407A/en not_active Expired
-
1947
- 1947-02-07 US US726991A patent/US2477039A/en not_active Expired - Lifetime
-
1948
- 1948-10-02 DE DEP5032A patent/DE809210C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE809210C (de) | 1951-07-26 |
| US2477039A (en) | 1949-07-26 |
| CH248979A (de) | 1947-05-31 |
| GB627407A (en) | 1949-08-09 |
| NL114597B (US20080094685A1-20080424-C00004.png) | |
| NL64005C (US20080094685A1-20080424-C00004.png) |
