NL49985C - - Google Patents
Info
- Publication number
- NL49985C NL49985C NL49985DA NL49985C NL 49985 C NL49985 C NL 49985C NL 49985D A NL49985D A NL 49985DA NL 49985 C NL49985 C NL 49985C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/34—Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by AC
- H01H51/32—Frequency relays; Mechanically-tuned relays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE513575X | 1937-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49985C true NL49985C (en:Method) |
Family
ID=6548457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49985D NL49985C (en:Method) | 1937-01-09 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE425676A (en:Method) |
| GB (1) | GB513575A (en:Method) |
| NL (1) | NL49985C (en:Method) |
-
0
- NL NL49985D patent/NL49985C/xx active
- BE BE425676D patent/BE425676A/xx unknown
-
1938
- 1938-01-10 GB GB778/38A patent/GB513575A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE425676A (en:Method) | |
| GB513575A (en) | 1940-02-28 |