GB308970A - Improvements in or relating to telephone and like transmission systems - Google Patents
Improvements in or relating to telephone and like transmission systemsInfo
- Publication number
- GB308970A GB308970A GB9740/29A GB974029A GB308970A GB 308970 A GB308970 A GB 308970A GB 9740/29 A GB9740/29 A GB 9740/29A GB 974029 A GB974029 A GB 974029A GB 308970 A GB308970 A GB 308970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- telephone
- relating
- transmission systems
- disturbances
- ges
- 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 title 1
- 230000006698 induction Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/32—Reducing cross-talk, e.g. by compensating
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE308970X | 1928-04-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB308970A true GB308970A (en) | 1930-06-05 |
Family
ID=6121878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9740/29A Expired GB308970A (en) | 1928-04-02 | 1929-03-26 | Improvements in or relating to telephone and like transmission systems |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB308970A (enrdf_load_stackoverflow) |
NL (1) | NL29913C (enrdf_load_stackoverflow) |
-
0
- NL NL29913D patent/NL29913C/xx active
-
1929
- 1929-03-26 GB GB9740/29A patent/GB308970A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL29913C (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB681943A (en) | Equipment for bending glass sheets | |
GB308970A (en) | Improvements in or relating to telephone and like transmission systems | |
GB257204A (en) | Telephone ear-piece, more particularly for wireless purposes | |
GB509693A (en) | Improvements in electric signal amplifiers incorporating voice-operated devices | |
GB244396A (en) | Improvements in or relating to telephone lines or cables | |
GB306419A (enrdf_load_stackoverflow) | ||
GB269991A (en) | Improvements in washing plungers | |
GB224003A (en) | Improvements in sound amplifying apparatus for telephone and the like receivers | |
GB221393A (en) | Improvements in telephonic receiving apparatus | |
CA257386A (en) | Telephone transmitter and receiver | |
CA261672A (en) | Telephone receiver protector | |
CA297268A (en) | Amplifier for wireless telegraphy and telephony | |
GB274116A (en) | Improvements in or relating to radio receivers and the like | |
GB274088A (en) | Improvements in or relating to telephone lines with amplifiers | |
GB238855A (en) | Improvements in telephone apparatus | |
CA278197A (en) | Radio telegraph and telephone receiving system | |
CA280759A (en) | Telephone loud speaking receiver | |
CA258197A (en) | Amplifying system for wireless telegraphy and telephony | |
CA263741A (en) | Telephone receiver | |
CA263742A (en) | Telephone receiver | |
CA266517A (en) | Telephone receiver | |
GB246818A (en) | Duplex arrangement for telegraph cables | |
GB620024A (en) | Improvements in or relating to electrical condensers | |
CA297129A (en) | Continuously loaded telephone or telegraph cable | |
GB339685A (en) | Improvements in speech transmission |