CH219816A - Drehwähler in Fernsprechanlage. - Google Patents
Drehwähler in Fernsprechanlage.Info
- Publication number
- CH219816A CH219816A CH219816DA CH219816A CH 219816 A CH219816 A CH 219816A CH 219816D A CH219816D A CH 219816DA CH 219816 A CH219816 A CH 219816A
- Authority
- CH
- Switzerland
- Prior art keywords
- telephone system
- rotary selector
- selector
- rotary
- telephone
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/02—Multi-position wiper switches
- H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
- H01H67/06—Rotary switches, i.e. having angularly movable wipers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H63/00—Details of electrically-operated selector switches
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2194051X | 1935-09-26 | ||
| DE219816X | 1939-11-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH219816A true CH219816A (de) | 1942-02-28 |
Family
ID=32070569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH219816D CH219816A (de) | 1935-09-26 | 1940-12-02 | Drehwähler in Fernsprechanlage. |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2194051A (de) |
| CH (1) | CH219816A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE471881A (de) * | 1946-03-15 | |||
| US2697753A (en) * | 1949-06-25 | 1954-12-21 | Hartford Nat Bank & Trust Co | Selector switch, more particularly for automatic telephony comprising a wiper carriage rotatable about a vertical shaft |
| NL74151C (de) * | 1949-07-07 | |||
| NL82690C (de) * | 1951-02-05 | 1956-04-16 | ||
| US2749388A (en) * | 1952-04-12 | 1956-06-05 | Itt | Automatic intercommunication telephone system |
-
1936
- 1936-09-21 US US101825A patent/US2194051A/en not_active Expired - Lifetime
-
1940
- 1940-12-02 CH CH219816D patent/CH219816A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2194051A (en) | 1940-03-19 |
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