GB368340A - Improvements in or relating to automatic telephone apparatus - Google Patents
Improvements in or relating to automatic telephone apparatusInfo
- Publication number
- GB368340A GB368340A GB3650630A GB3650630A GB368340A GB 368340 A GB368340 A GB 368340A GB 3650630 A GB3650630 A GB 3650630A GB 3650630 A GB3650630 A GB 3650630A GB 368340 A GB368340 A GB 368340A
- Authority
- GB
- United Kingdom
- Prior art keywords
- discs
- cam
- impulse
- dec
- series
- 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
- 238000007689 inspection Methods 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 210000002105 tongue Anatomy 0.000 abstract 1
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)
- Measuring Fluid Pressure (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE375498D BE375498A (enrdf_load_stackoverflow) | 1930-12-03 | ||
GB3650630A GB368340A (en) | 1930-12-03 | 1930-12-03 | Improvements in or relating to automatic telephone apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3650630A GB368340A (en) | 1930-12-03 | 1930-12-03 | Improvements in or relating to automatic telephone apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB368340A true GB368340A (en) | 1932-03-03 |
Family
ID=10388791
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3650630A Expired GB368340A (en) | 1930-12-03 | 1930-12-03 | Improvements in or relating to automatic telephone apparatus |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE375498A (enrdf_load_stackoverflow) |
GB (1) | GB368340A (enrdf_load_stackoverflow) |
-
0
- BE BE375498D patent/BE375498A/xx unknown
-
1930
- 1930-12-03 GB GB3650630A patent/GB368340A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE375498A (enrdf_load_stackoverflow) |
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