IE41957B1 - Improvements in or relating to carrier-frequency communications transmission systems - Google Patents
Improvements in or relating to carrier-frequency communications transmission systemsInfo
- Publication number
- IE41957B1 IE41957B1 IE2611/75A IE261175A IE41957B1 IE 41957 B1 IE41957 B1 IE 41957B1 IE 2611/75 A IE2611/75 A IE 2611/75A IE 261175 A IE261175 A IE 261175A IE 41957 B1 IE41957 B1 IE 41957B1
- Authority
- IE
- Ireland
- Prior art keywords
- band
- frequency
- khz
- carrier
- transposition
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2501421A DE2501421C2 (de) | 1975-01-15 | 1975-01-15 | Traegerfrequentes nachrichtenuebertragungssystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE41957L IE41957L (en) | 1976-07-15 |
| IE41957B1 true IE41957B1 (en) | 1980-05-07 |
Family
ID=5936503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE2611/75A IE41957B1 (en) | 1975-01-15 | 1975-12-01 | Improvements in or relating to carrier-frequency communications transmission systems |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5196207A (sv) |
| AT (1) | AT351078B (sv) |
| AU (1) | AU501143B2 (sv) |
| BE (1) | BE837591A (sv) |
| BR (1) | BR7600190A (sv) |
| CH (1) | CH607504A5 (sv) |
| DE (1) | DE2501421C2 (sv) |
| DK (1) | DK13776A (sv) |
| FR (1) | FR2298238A1 (sv) |
| GB (1) | GB1537267A (sv) |
| IE (1) | IE41957B1 (sv) |
| IL (1) | IL48594A (sv) |
| IT (1) | IT1059566B (sv) |
| LU (1) | LU73763A1 (sv) |
| NL (1) | NL7600407A (sv) |
| SE (1) | SE7600164L (sv) |
-
1975
- 1975-01-15 DE DE2501421A patent/DE2501421C2/de not_active Expired
- 1975-11-07 LU LU73763A patent/LU73763A1/xx unknown
- 1975-11-24 GB GB48160/75A patent/GB1537267A/en not_active Expired
- 1975-11-25 AT AT894275A patent/AT351078B/de not_active IP Right Cessation
- 1975-12-01 IE IE2611/75A patent/IE41957B1/en unknown
- 1975-12-02 IL IL48594A patent/IL48594A/en unknown
- 1975-12-04 AU AU87263/75A patent/AU501143B2/en not_active Expired
- 1975-12-05 CH CH1582575A patent/CH607504A5/xx not_active IP Right Cessation
-
1976
- 1976-01-09 FR FR7600480A patent/FR2298238A1/fr not_active Withdrawn
- 1976-01-09 SE SE7600164A patent/SE7600164L/sv unknown
- 1976-01-13 JP JP51003137A patent/JPS5196207A/ja active Pending
- 1976-01-14 IT IT19237/76A patent/IT1059566B/it active
- 1976-01-14 BR BR7600190A patent/BR7600190A/pt unknown
- 1976-01-14 DK DK13776*#A patent/DK13776A/da unknown
- 1976-01-15 NL NL7600407A patent/NL7600407A/xx unknown
- 1976-01-15 BE BE163533A patent/BE837591A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE41957L (en) | 1976-07-15 |
| IL48594A0 (en) | 1976-02-29 |
| DE2501421C2 (de) | 1979-11-22 |
| GB1537267A (en) | 1978-12-29 |
| IT1059566B (it) | 1982-06-21 |
| JPS5196207A (sv) | 1976-08-24 |
| AT351078B (de) | 1979-07-10 |
| BE837591A (fr) | 1976-05-03 |
| IL48594A (en) | 1977-12-30 |
| CH607504A5 (sv) | 1978-12-29 |
| ATA894275A (de) | 1978-12-15 |
| LU73763A1 (sv) | 1976-06-11 |
| BR7600190A (pt) | 1976-08-31 |
| DE2501421B1 (de) | 1976-05-06 |
| SE7600164L (sv) | 1976-07-16 |
| FR2298238A1 (fr) | 1976-08-13 |
| AU501143B2 (en) | 1979-06-14 |
| DK13776A (da) | 1976-07-16 |
| AU8726375A (en) | 1977-06-09 |
| NL7600407A (nl) | 1976-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4737658A (en) | Centralized control receiver | |
| US2270385A (en) | Multicarrier transmission system | |
| US5781600A (en) | Frequency synthesizer | |
| JPH07506952A (ja) | ホモダイン受信器および直接変換方法 | |
| DE69530163T2 (de) | Frequenzsynthetisierer für einen VHF-UHF Breitbandempfänger | |
| DE2513228A1 (de) | Verfahren und anordnung zur erzeugung von stereodekodiersignalen | |
| US2670404A (en) | Multichannel radioelectric communication system | |
| IE41957B1 (en) | Improvements in or relating to carrier-frequency communications transmission systems | |
| US4326288A (en) | Method and apparatus for frequency division multiplex system | |
| US2389356A (en) | Method of reduction of selective fading | |
| US4006353A (en) | Signal multiplier devices | |
| US6304301B1 (en) | Method for preparing a band pass signal | |
| US3912870A (en) | Digital group modulator | |
| DE2201391A1 (de) | Anordnung fuer Frequenzumsetzung von analogen Signalen | |
| US3470477A (en) | Communication system having a multiple-access,man-made satellite | |
| US3965300A (en) | 200 MHz carrier frequency system with sextenary groups | |
| US4349903A (en) | Switching of channels between two premodulation systems | |
| DE19523433C2 (de) | Schaltungsanordnung zur Frequenzumsetzung | |
| US4041244A (en) | Composite stereophonic signal generator | |
| JPH0583219A (ja) | 周波数変換器 | |
| US4845443A (en) | Low noise multi-band channelized microwave frequency synthesizer | |
| US3559070A (en) | Signal transmitter for limited band width transmission systems | |
| US3294913A (en) | Frequency division multiplex system for sideband transmission | |
| US3895190A (en) | Channel filter arrangement for a carrier frequency transmission system | |
| US4965534A (en) | Channel frequency generator for use with a multi-frequency output generator |