NL208105A - - Google Patents
Info
- Publication number
- NL208105A NL208105A NL208105DA NL208105A NL 208105 A NL208105 A NL 208105A NL 208105D A NL208105D A NL 208105DA NL 208105 A NL208105 A NL 208105A
- Authority
- NL
- Netherlands
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
- H04M1/34—Lost-motion or other arrangements for ensuring a pause between successive digit transmissions
-
- 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)
- Transmission Devices (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Mechanical Operated Clutches (AREA)
- Toys (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB18424/55A GB784351A (en) | 1955-06-25 | 1955-06-25 | Improvements in or relating to dial switches for use in telephone or like switching systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL208105A true NL208105A (instruction) | 1900-01-01 |
Family
ID=10112213
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL208105D NL208105A (instruction) | 1955-06-25 | ||
| NL208105A NL101823C (instruction) | 1955-06-25 | 1956-06-18 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL208105A NL101823C (instruction) | 1955-06-25 | 1956-06-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2919311A (instruction) |
| CH (1) | CH347861A (instruction) |
| DE (1) | DE1018105B (instruction) |
| GB (1) | GB784351A (instruction) |
| NL (2) | NL101823C (instruction) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3089002A (en) * | 1960-03-24 | 1963-05-07 | Mc Graw Edison Co | Dial mechanism for automatic telephone dialing machines |
| DE1143862B (de) * | 1961-04-21 | 1963-02-21 | Siemens Ag | Nummernschalter |
| CH423888A (it) * | 1964-10-28 | 1966-11-15 | Sits Soc It Telecom Siemens | Disco combinatore telefonico del tipo ad angolo morto |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1556904A (en) * | 1921-08-22 | 1925-10-13 | Automatic Electric Co | Automatic calling device |
| DE495078C (de) * | 1925-07-09 | 1930-04-03 | Siemens & Halske Akt Ges | Nummernschalter fuer selbsttaetig betriebene Fernsprechanlagen |
| US1866669A (en) * | 1931-08-25 | 1932-07-12 | American Telephone & Telegraph | Impulse transmitter |
| BE536688A (instruction) * | 1954-03-26 |
-
0
- NL NL208105D patent/NL208105A/xx unknown
-
1955
- 1955-06-25 GB GB18424/55A patent/GB784351A/en not_active Expired
-
1956
- 1956-06-05 US US589498A patent/US2919311A/en not_active Expired - Lifetime
- 1956-06-07 DE DEA25063A patent/DE1018105B/de active Pending
- 1956-06-18 NL NL208105A patent/NL101823C/nl active
- 1956-06-22 CH CH347861D patent/CH347861A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB784351A (en) | 1957-10-09 |
| NL101823C (instruction) | 1962-07-16 |
| DE1018105B (de) | 1957-10-24 |
| US2919311A (en) | 1959-12-29 |
| CH347861A (de) | 1960-07-31 |