GB697429A - Improvements in or relating to single side-band carrier-wave telephony systems - Google Patents
Improvements in or relating to single side-band carrier-wave telephony systemsInfo
- Publication number
- GB697429A GB697429A GB22397/51A GB2239751A GB697429A GB 697429 A GB697429 A GB 697429A GB 22397/51 A GB22397/51 A GB 22397/51A GB 2239751 A GB2239751 A GB 2239751A GB 697429 A GB697429 A GB 697429A
- Authority
- GB
- United Kingdom
- Prior art keywords
- group
- super
- basic
- frequency
- groups
- 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
- 239000000969 carrier Substances 0.000 abstract 2
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)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL295847X | 1950-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB697429A true GB697429A (en) | 1953-09-23 |
Family
ID=19782965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22397/51A Expired GB697429A (en) | 1950-09-28 | 1951-09-25 | Improvements in or relating to single side-band carrier-wave telephony systems |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE506084A (enrdf_load_html_response) |
CH (1) | CH295847A (enrdf_load_html_response) |
FR (1) | FR1043312A (enrdf_load_html_response) |
GB (1) | GB697429A (enrdf_load_html_response) |
-
0
- BE BE506084D patent/BE506084A/xx unknown
-
1951
- 1951-09-25 GB GB22397/51A patent/GB697429A/en not_active Expired
- 1951-09-26 CH CH295847D patent/CH295847A/de unknown
- 1951-09-26 FR FR1043312D patent/FR1043312A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1043312A (fr) | 1953-11-09 |
CH295847A (de) | 1954-01-15 |
BE506084A (enrdf_load_html_response) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1049412A (en) | Improvements in or relating to electric circuits for use in signalling systems | |
GB697429A (en) | Improvements in or relating to single side-band carrier-wave telephony systems | |
US2855462A (en) | Multichannel signal system | |
GB595885A (en) | Multichannel carrier transmission system | |
GB372852A (en) | Improvements in or relating to telegraph systems | |
GB707030A (en) | Improvements in or relating to single-sideband carrier-wave telephone systems | |
GB1091278A (en) | Improvements in or relating to multi-channel single-sideband carrier-frequency communication systems | |
GB614572A (en) | Improvements in arrangements for secret telephony | |
GB710205A (en) | Improvements in or relating to carrier-wave telephone systems | |
GB1446897A (en) | Frequency multiplex apparatus | |
US2102472A (en) | Multichannel carrier transmission system | |
GB751179A (en) | Multichannel radio signalling system | |
GB806087A (en) | Multichannel signal system | |
GB823833A (en) | Improvements in or relating to channel combining arrangements for multichannel carrier systems | |
GB595712A (en) | Multi-channel telephone systems | |
GB986425A (en) | Improvements relating to carrier frequency communication apparatus | |
GB706597A (en) | Improvements in or relating to multi-channel electric pulse modulation signalling systems | |
GB596495A (en) | Multi-channel telephone systems | |
GB632647A (en) | Improvements in or relating to multiplex carrier signalling systems | |
GB699765A (en) | Improvements in or relating to carrier wave telephone or like systems | |
GB637712A (en) | Improvements in and relating to multi-channel carrier wave transmission systems | |
GB816113A (en) | Improvements in multiplex carrier telephone systems | |
GB704280A (en) | Improvements in or relating to multi-channel electrical communication systems | |
GB815708A (en) | Improvements in carrier wave telegraphy | |
GB1136136A (en) | Multi-channel single-sideband carrier frequency system |