ZA702950B - Improvements in or relating to electric switches - Google Patents
Improvements in or relating to electric switchesInfo
- Publication number
- ZA702950B ZA702950B ZA702950A ZA702950A ZA702950B ZA 702950 B ZA702950 B ZA 702950B ZA 702950 A ZA702950 A ZA 702950A ZA 702950 A ZA702950 A ZA 702950A ZA 702950 B ZA702950 B ZA 702950B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- electric switches
- switches
- electric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/22—Switches without multi-position wipers
- H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2228569 | 1969-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA702950B true ZA702950B (en) | 1971-09-29 |
Family
ID=10176908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA702950A ZA702950B (en) | 1969-05-01 | 1970-05-01 | Improvements in or relating to electric switches |
Country Status (3)
Country | Link |
---|---|
US (1) | US3631523A (en) |
GB (1) | GB1306072A (en) |
ZA (1) | ZA702950B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1351693A (en) * | 1971-09-08 | 1974-05-01 | Gen Electric Co Ltd | Electric switches |
US6263294B1 (en) * | 1998-03-02 | 2001-07-17 | American Competitiveness Institute, Inc. | Impedance spectroscopy measurement system |
GB2531321B (en) * | 2014-10-16 | 2017-02-08 | United Tech Europe Ltd | XYX Cross Connect Switch |
US11564327B2 (en) * | 2018-11-05 | 2023-01-24 | Cisco Technology, Inc. | Connectors for a networking device with orthogonal switch bars |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2367101A (en) * | 1940-09-19 | 1945-01-09 | Vigren Sten Daniel | Selecting device for telephone and signal systems |
US2362551A (en) * | 1943-12-10 | 1944-11-14 | Bell Telephone Labor Inc | Switching mechanism |
US3377455A (en) * | 1965-04-13 | 1968-04-09 | Bell Telephone Labor Inc | Electrical network utilizing a single module in which the circuitry and cross-connection field are part of the same module |
US3369203A (en) * | 1966-09-19 | 1968-02-13 | Western Electric Co | Cross bar switching apparatus having mechanical locking means |
-
1969
- 1969-05-01 GB GB2228569A patent/GB1306072A/en not_active Expired
-
1970
- 1970-05-01 US US33617A patent/US3631523A/en not_active Expired - Lifetime
- 1970-05-01 ZA ZA702950A patent/ZA702950B/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1306072A (en) | 1973-02-07 |
US3631523A (en) | 1971-12-28 |
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