GB412541A - Improvements in impulse transmitters particularly for use in automatic telephone systems - Google Patents
Improvements in impulse transmitters particularly for use in automatic telephone systemsInfo
- Publication number
- GB412541A GB412541A GB2636832A GB2636832A GB412541A GB 412541 A GB412541 A GB 412541A GB 2636832 A GB2636832 A GB 2636832A GB 2636832 A GB2636832 A GB 2636832A GB 412541 A GB412541 A GB 412541A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- pawl
- spring
- cam
- cams
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Structure Of Telephone Exchanges (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR743363D FR743363A (es) | 1932-09-22 | ||
GB2636832A GB412541A (en) | 1932-09-22 | 1932-09-22 | Improvements in impulse transmitters particularly for use in automatic telephone systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2636832A GB412541A (en) | 1932-09-22 | 1932-09-22 | Improvements in impulse transmitters particularly for use in automatic telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB412541A true GB412541A (en) | 1934-06-28 |
Family
ID=10242562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2636832A Expired GB412541A (en) | 1932-09-22 | 1932-09-22 | Improvements in impulse transmitters particularly for use in automatic telephone systems |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR743363A (es) |
GB (1) | GB412541A (es) |
-
0
- FR FR743363D patent/FR743363A/fr not_active Expired
-
1932
- 1932-09-22 GB GB2636832A patent/GB412541A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR743363A (es) | 1933-03-29 |
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