BE343766A - - Google Patents
Info
- Publication number
- BE343766A BE343766A BE343766DA BE343766A BE 343766 A BE343766 A BE 343766A BE 343766D A BE343766D A BE 343766DA BE 343766 A BE343766 A BE 343766A
- Authority
- BE
- Belgium
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
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US679517A US1615311A (en) | 1923-12-10 | 1923-12-10 | Impulse-sending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE343766A true BE343766A (tr) |
Family
ID=24727226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE343766D BE343766A (tr) | 1923-12-10 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US1615311A (tr) |
| BE (1) | BE343766A (tr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2503541A (en) * | 1947-08-06 | 1950-04-11 | Kellogg Switchboard & Supply | Device for controlling the adjustment and operative actuation of impulse contacts in telephone dials |
-
0
- BE BE343766D patent/BE343766A/xx unknown
-
1923
- 1923-12-10 US US679517A patent/US1615311A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US1615311A (en) | 1927-01-25 |