GB1468191A - Transmitter receiver set for radio communication systems - Google Patents
Transmitter receiver set for radio communication systemsInfo
- Publication number
- GB1468191A GB1468191A GB2669774A GB2669774A GB1468191A GB 1468191 A GB1468191 A GB 1468191A GB 2669774 A GB2669774 A GB 2669774A GB 2669774 A GB2669774 A GB 2669774A GB 1468191 A GB1468191 A GB 1468191A
- Authority
- GB
- United Kingdom
- Prior art keywords
- level
- amplifier
- received signal
- signal
- attenuator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 abstract 4
- 230000011664 signaling Effects 0.000 abstract 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7321953A FR2233765B1 (cg-RX-API-DMAC7.html) | 1973-06-15 | 1973-06-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1468191A true GB1468191A (en) | 1977-03-23 |
Family
ID=9121056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2669774A Expired GB1468191A (en) | 1973-06-15 | 1974-06-17 | Transmitter receiver set for radio communication systems |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE815861A (cg-RX-API-DMAC7.html) |
| DE (1) | DE2428406C2 (cg-RX-API-DMAC7.html) |
| DK (1) | DK314674A (cg-RX-API-DMAC7.html) |
| FR (1) | FR2233765B1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1468191A (cg-RX-API-DMAC7.html) |
| IT (1) | IT1021038B (cg-RX-API-DMAC7.html) |
| NL (1) | NL7408086A (cg-RX-API-DMAC7.html) |
| SE (1) | SE399505B (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004035739A1 (de) * | 2004-07-23 | 2006-03-16 | Siemens Ag | Vorrichtung und Verfahren zur Signalübertragung mit Dämpfungseinheit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE826936C (de) * | 1950-03-18 | 1952-01-07 | Siemens & Halske A G | Verfahren zum selbsttaetigen Ausgleich von Feldstaerkeschwankungen bei drahtlosen Nachrichtenuebertragungen |
| US3693088A (en) * | 1970-12-29 | 1972-09-19 | Bell Telephone Labor Inc | Diversity system for mobile radio using fade rate switching |
-
1973
- 1973-06-15 FR FR7321953A patent/FR2233765B1/fr not_active Expired
-
1974
- 1974-06-04 BE BE1006002A patent/BE815861A/xx not_active IP Right Cessation
- 1974-06-07 IT IT23727/74A patent/IT1021038B/it active
- 1974-06-12 DE DE2428406A patent/DE2428406C2/de not_active Expired
- 1974-06-12 DK DK314674A patent/DK314674A/da unknown
- 1974-06-14 SE SE7407874A patent/SE399505B/xx unknown
- 1974-06-17 NL NL7408086A patent/NL7408086A/xx not_active Application Discontinuation
- 1974-06-17 GB GB2669774A patent/GB1468191A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE399505B (sv) | 1978-02-13 |
| SE7407874L (cg-RX-API-DMAC7.html) | 1974-12-16 |
| DE2428406C2 (de) | 1985-04-04 |
| IT1021038B (it) | 1978-01-30 |
| BE815861A (fr) | 1974-12-04 |
| FR2233765B1 (cg-RX-API-DMAC7.html) | 1978-06-30 |
| DE2428406A1 (de) | 1975-01-09 |
| FR2233765A1 (cg-RX-API-DMAC7.html) | 1975-01-10 |
| NL7408086A (cg-RX-API-DMAC7.html) | 1974-12-17 |
| DK314674A (cg-RX-API-DMAC7.html) | 1975-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |