NL168994B - Elektrische gloeilamp met licht-diffuserende bekle- dingslaag. - Google Patents

Elektrische gloeilamp met licht-diffuserende bekle- dingslaag.

Info

Publication number
NL168994B
NL168994B NL7612396.A NL168994DA NL168994B NL 168994 B NL168994 B NL 168994B NL 168994D A NL168994D A NL 168994DA NL 168994 B NL168994 B NL 168994B
Authority
NL
Netherlands
Prior art keywords
light
coating layer
filament bulb
electric filament
diffusing coating
Prior art date
Application number
NL7612396.A
Other languages
English (en)
Dutch (nl)
Original Assignee
Gen Electric
Priority date (The priority date 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 date listed.)
Publication of NL168994B publication Critical patent/NL168994B/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/74—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter
    • H01H50/76—Mechanical means for producing a desired natural frequency of operation of the contacts, e.g. for self-interrupter using reed or blade spring

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
NL7612396.A 1952-03-04 Elektrische gloeilamp met licht-diffuserende bekle- dingslaag. NL168994B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR733216X 1952-03-04

Publications (1)

Publication Number Publication Date
NL168994B true NL168994B (nl)

Family

ID=9124714

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7612396.A NL168994B (nl) 1952-03-04 Elektrische gloeilamp met licht-diffuserende bekle- dingslaag.

Country Status (4)

Country Link
US (1) US2763740A (pm)
BE (1) BE518089A (pm)
GB (1) GB733216A (pm)
NL (1) NL168994B (pm)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE548535A (pm) * 1955-06-11
US2992307A (en) * 1959-05-04 1961-07-11 Stevens Arnold Inc Magnetic switches
US3156798A (en) * 1961-04-14 1964-11-10 Biddle Co James G Resonant frequency reed relay
US3662300A (en) * 1970-12-23 1972-05-09 Bell Telephone Labor Inc Vibrating reed selector having improved contact configuration
US3937002A (en) * 1974-08-20 1976-02-10 Bulova Watch Company, Inc. Solid state, battery operated electronic watch having arm-actuated battery switch

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US367270A (en) * 1887-07-26 colman
US1048670A (en) * 1906-03-16 1912-12-31 Samuel M Kintner Contact for electromagnetic mechanism.
US887681A (en) * 1907-05-10 1908-05-12 Francis W Maxstadt Electrical signaling.
FR386943A (fr) * 1908-02-05 1908-06-26 Nilmelior Soc Electricite Perfectionnements apportés à la constitution des trembleurs pour bobines d'induction
US1336143A (en) * 1916-05-29 1920-04-06 Dayton Eng Lab Co Circuit-breaker indicating device
US1446780A (en) * 1920-09-14 1923-02-27 Ivar L Shogran Electric flashing device
US2075499A (en) * 1936-01-11 1937-03-30 Bell Telephone Labor Inc Switching device
US2532274A (en) * 1943-09-25 1950-11-28 Honeywell Regulator Co Vibrator
US2463426A (en) * 1944-10-20 1949-03-01 Faximile Inc Vibratory switch
US2618717A (en) * 1945-08-01 1952-11-18 Hakanssons Ind Ab Oscillating contact device for periodical variation of electric current conditions
US2433740A (en) * 1946-02-26 1947-12-30 Laurence H Collins Electrical vibrator

Also Published As

Publication number Publication date
US2763740A (en) 1956-09-18
BE518089A (pm)
GB733216A (en) 1955-07-06

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