using diaphragm using stretched wire or ribbon vibrating sideways

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CPC
H01H50/78

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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H50/00Details of electromagnetic relays

Current Industry

H01H50/78using diaphragm using stretched wire or ribbon vibrating sideways

Industries

Patents Grantslast 30 patents

Information Patent Grant
2487604
- Patent number 2,487,604
- Issue date Nov 8, 1949
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
2402593
- Patent number 2,402,593
- Issue date Jun 25, 1946
- H01 - BASIC ELECTRIC ELEMENTS