NL222601A - - Google Patents
Info
- Publication number
- NL222601A NL222601A NL222601DA NL222601A NL 222601 A NL222601 A NL 222601A NL 222601D A NL222601D A NL 222601DA NL 222601 A NL222601 A NL 222601A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR734553 | 1957-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL222601A true NL222601A (en:Method) |
Family
ID=8704242
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL222601D NL222601A (en:Method) | 1957-03-21 | ||
| NL111666D NL111666C (en:Method) | 1957-03-21 | ||
| NL6502018A NL6502018A (en:Method) | 1957-03-21 | 1965-02-18 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL111666D NL111666C (en:Method) | 1957-03-21 | ||
| NL6502018A NL6502018A (en:Method) | 1957-03-21 | 1965-02-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2923778A (en:Method) |
| CH (1) | CH343464A (en:Method) |
| NL (3) | NL6502018A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3133158A (en) * | 1960-06-09 | 1964-05-12 | Ericsson Telefon Ab L M | Voice frequency signal receiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2733299A (en) * | 1956-01-31 | staples |
-
0
- NL NL222601D patent/NL222601A/xx unknown
- NL NL111666D patent/NL111666C/xx active
-
1957
- 1957-11-19 CH CH343464D patent/CH343464A/fr unknown
-
1958
- 1958-01-28 US US711632A patent/US2923778A/en not_active Expired - Lifetime
-
1965
- 1965-02-18 NL NL6502018A patent/NL6502018A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH343464A (fr) | 1959-12-31 |
| NL111666C (en:Method) | |
| US2923778A (en) | 1960-02-02 |
| NL6502018A (en:Method) | 1965-04-26 |