GB819437A - Improvements in or relating to telephone amplifying circuits - Google Patents
Improvements in or relating to telephone amplifying circuitsInfo
- Publication number
- GB819437A GB819437A GB32096/56A GB3209656A GB819437A GB 819437 A GB819437 A GB 819437A GB 32096/56 A GB32096/56 A GB 32096/56A GB 3209656 A GB3209656 A GB 3209656A GB 819437 A GB819437 A GB 819437A
- Authority
- GB
- United Kingdom
- Prior art keywords
- feed
- inductance
- transformer
- saturate
- repeater
- 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
- 230000008878 coupling Effects 0.000 abstract 3
- 238000010168 coupling process Methods 0.000 abstract 3
- 238000005859 coupling reaction Methods 0.000 abstract 3
- 230000010355 oscillation Effects 0.000 abstract 2
- 229920006395 saturated elastomer Polymers 0.000 abstract 2
- 230000003071 parasitic effect Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/42—Circuits for by-passing of ringing signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL345041X | 1955-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB819437A true GB819437A (en) | 1959-09-02 |
Family
ID=19784856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32096/56A Expired GB819437A (en) | 1955-10-25 | 1956-10-22 | Improvements in or relating to telephone amplifying circuits |
Country Status (6)
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE497800A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1949-08-30 |
-
0
- BE BE552033D patent/BE552033A/xx unknown
- NL NL90543D patent/NL90543C/xx active
- NL NL201492D patent/NL201492A/xx unknown
-
1956
- 1956-10-22 GB GB32096/56A patent/GB819437A/en not_active Expired
- 1956-10-22 DE DEN12863A patent/DE1028619B/de active Pending
- 1956-10-23 FR FR1161567D patent/FR1161567A/fr not_active Expired
- 1956-10-23 CH CH345041D patent/CH345041A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL90543C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR1161567A (fr) | 1958-09-02 |
| DE1028619B (de) | 1958-04-24 |
| NL201492A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| CH345041A (de) | 1960-03-15 |
| BE552033A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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