NL271742A - - Google Patents
Info
- Publication number
- NL271742A NL271742A NL271742DA NL271742A NL 271742 A NL271742 A NL 271742A NL 271742D A NL271742D A NL 271742DA NL 271742 A NL271742 A NL 271742A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES71393A DE1146121B (de) | 1960-11-24 | 1960-11-24 | Fernsprechstation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL271742A true NL271742A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=7502432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL271742D NL271742A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1960-11-24 |
Country Status (5)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3657487A (en) * | 1969-09-12 | 1972-04-18 | Int Standard Electric Corp | Telephone subset using modular construction |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2548723A (en) * | 1945-07-13 | 1951-04-10 | Kellogg Switchboard & Supply | Telephone set hook-switch apparatus |
| US2692305A (en) * | 1950-06-26 | 1954-10-19 | Microtone Company Inc | Hearing and unit |
| US2718563A (en) * | 1951-04-04 | 1955-09-20 | Dictograph Products Co Inc | Microphone |
| US2894077A (en) * | 1955-11-21 | 1959-07-07 | Philco Corp | Modular circuitry |
| BE562469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1956-11-28 | |||
| US2951910A (en) * | 1958-01-14 | 1960-09-06 | North Electric Co | Substation signalling device |
-
0
- NL NL271742D patent/NL271742A/xx unknown
-
1960
- 1960-11-24 DE DES71393A patent/DE1146121B/de active Pending
-
1961
- 1961-10-25 CH CH1234961A patent/CH399543A/de unknown
- 1961-11-06 US US150403A patent/US3293372A/en not_active Expired - Lifetime
- 1961-11-24 GB GB42217/61A patent/GB1001575A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3293372A (en) | 1966-12-20 |
| DE1146121B (de) | 1963-03-28 |
| GB1001575A (en) | 1965-08-18 |
| CH399543A (de) | 1965-09-30 |