GB1257179A - - Google Patents
Info
- Publication number
- GB1257179A GB1257179A GB1257179DA GB1257179A GB 1257179 A GB1257179 A GB 1257179A GB 1257179D A GB1257179D A GB 1257179DA GB 1257179 A GB1257179 A GB 1257179A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phase
- dec
- modulators
- signal
- division
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/20—Frequency-division multiplex systems in which at least one carrier is angle-modulated
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Transmitters (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO5554267 | 1967-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1257179A true GB1257179A (enExample) | 1971-12-15 |
Family
ID=20086632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1257179D Expired GB1257179A (enExample) | 1967-12-30 | 1968-12-30 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3619781A (enExample) |
| DE (1) | DE1817345A1 (enExample) |
| FR (1) | FR1603931A (enExample) |
| GB (1) | GB1257179A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5220680A (en) * | 1991-01-15 | 1993-06-15 | Pactel Corporation | Frequency signal generator apparatus and method for simulating interference in mobile communication systems |
| JP3462388B2 (ja) * | 1998-04-28 | 2003-11-05 | 松下電器産業株式会社 | 無線通信装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE464120A (enExample) * | 1945-03-28 | |||
| NL83428C (enExample) * | 1949-06-01 | |||
| BE498222A (enExample) * | 1949-09-20 | |||
| BE536450A (enExample) * | 1954-03-19 |
-
1968
- 1968-12-27 FR FR1603931D patent/FR1603931A/fr not_active Expired
- 1968-12-28 DE DE19681817345 patent/DE1817345A1/de active Pending
- 1968-12-30 US US788701A patent/US3619781A/en not_active Expired - Lifetime
- 1968-12-30 GB GB1257179D patent/GB1257179A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1817345A1 (de) | 1969-10-02 |
| US3619781A (en) | 1971-11-09 |
| FR1603931A (enExample) | 1971-06-14 |
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| GB1257179A (enExample) | ||
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| AU269402B2 (en) | Improvements in or relating to amplifier arrangements for frequency or phase modulated carrier wave signals | |
| FR2317824A1 (fr) | Repeteur de telecommunication a acces multiples et systeme de telecommunication utilisant un tel repeteur | |
| GB873549A (en) | Means for compressing the frequency bandwidth of speech signals | |
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| AU246411B2 (en) | Transmission system for transmitting a frequency band, modulated on to a carrier by frequency modulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |