BE536688A - - Google Patents
Info
- Publication number
- BE536688A BE536688A BE536688DA BE536688A BE 536688 A BE536688 A BE 536688A BE 536688D A BE536688D A BE 536688DA BE 536688 A BE536688 A BE 536688A
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Gear Transmission (AREA)
- Pivots And Pivotal Connections (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE332350X | 1954-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE536688A true BE536688A (en:Method) |
Family
ID=20308135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE536688D BE536688A (en:Method) | 1954-03-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2767251A (en:Method) |
| BE (1) | BE536688A (en:Method) |
| CH (1) | CH332350A (en:Method) |
| DE (1) | DE961105C (en:Method) |
| FR (1) | FR1121226A (en:Method) |
| GB (1) | GB764759A (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL208105A (en:Method) * | 1955-06-25 | 1900-01-01 | Automatic Telephone & Elect | |
| US3105122A (en) * | 1960-05-09 | 1963-09-24 | Bell Telephone Labor Inc | Space saver dial |
| KR790000330Y1 (en) * | 1978-06-22 | 1979-03-31 | Ki Weon Song | Telephone timer immersed in liquid |
| GB2264241B (en) * | 1992-02-04 | 1995-03-22 | Edward Henry Harvey | Epicyclic change-speed mechanism and model clock incorporating same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1866669A (en) * | 1931-08-25 | 1932-07-12 | American Telephone & Telegraph | Impulse transmitter |
-
0
- BE BE536688D patent/BE536688A/xx unknown
-
1955
- 1955-03-08 US US492996A patent/US2767251A/en not_active Expired - Lifetime
- 1955-03-10 CH CH332350D patent/CH332350A/de unknown
- 1955-03-15 DE DET10688A patent/DE961105C/de not_active Expired
- 1955-03-21 FR FR1121226D patent/FR1121226A/fr not_active Expired
- 1955-03-24 GB GB8641/55A patent/GB764759A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH332350A (de) | 1958-08-31 |
| FR1121226A (fr) | 1956-07-25 |
| US2767251A (en) | 1956-10-16 |
| DE961105C (de) | 1957-04-04 |
| GB764759A (en) | 1957-01-02 |