JPS4967147A - - Google Patents
Info
- Publication number
- JPS4967147A JPS4967147A JP9180473A JP9180473A JPS4967147A JP S4967147 A JPS4967147 A JP S4967147A JP 9180473 A JP9180473 A JP 9180473A JP 9180473 A JP9180473 A JP 9180473A JP S4967147 A JPS4967147 A JP S4967147A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/16—Impedances connected with contacts
- H01H33/161—Variable impedances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C10/00—Adjustable resistors
- H01C10/10—Adjustable resistors adjustable by mechanical pressure or force
- H01C10/12—Adjustable resistors adjustable by mechanical pressure or force by changing surface pressure between resistive masses or resistive and conductive masses, e.g. pile type
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Emergency Protection Circuit Devices (AREA)
- Adjustable Resistors (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28168472A | 1972-08-18 | 1972-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4967147A true JPS4967147A (it) | 1974-06-28 |
Family
ID=23078353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9180473A Pending JPS4967147A (it) | 1972-08-18 | 1973-08-17 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS4967147A (it) |
| DE (1) | DE2341313A1 (it) |
| GB (1) | GB1442460A (it) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3705719A1 (de) * | 1987-02-23 | 1988-09-01 | Bbc Brown Boveri & Cie | Hochstromschalter |
-
1973
- 1973-08-06 GB GB3716873A patent/GB1442460A/en not_active Expired
- 1973-08-16 DE DE19732341313 patent/DE2341313A1/de active Pending
- 1973-08-17 JP JP9180473A patent/JPS4967147A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1442460A (en) | 1976-07-14 |
| AU5881573A (en) | 1975-02-06 |
| DE2341313A1 (de) | 1974-02-28 |