NL26826C - - Google Patents
Info
- Publication number
- NL26826C NL26826C NL26826DA NL26826C NL 26826 C NL26826 C NL 26826C NL 26826D A NL26826D A NL 26826DA NL 26826 C NL26826 C NL 26826C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/58—Arrangements for transferring received calls from one subscriber to another; Arrangements affording interim conversations between either the calling or the called party and a third party
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES77370D DE482799C (en) | 1926-12-08 | 1926-12-08 | Circuit arrangement for private branch exchanges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL26826C true NL26826C (en) |
Family
ID=7506762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL26826D NL26826C (en) | 1926-12-08 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE482799C (en) |
| NL (1) | NL26826C (en) |
-
0
- NL NL26826D patent/NL26826C/xx active
-
1926
- 1926-12-08 DE DES77370D patent/DE482799C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE482799C (en) | 1929-09-21 |