BE545323A - - Google Patents

Info

Publication number
BE545323A
BE545323A BE545323A BE545323A BE545323A BE 545323 A BE545323 A BE 545323A BE 545323 A BE545323 A BE 545323A BE 545323 A BE545323 A BE 545323A BE 545323 A BE545323 A BE 545323A
Authority
BE
Belgium
Application number
BE545323A
Other languages
French (fr)
Inventor
Walter G Gustafson
Henry C Harrison
Original Assignee
Western Electric Co
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.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of BE545323A publication Critical patent/BE545323A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
    • H01H1/08—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved wetted with mercury
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00—Switches having at least one liquid contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/28—Relays having both armature and contacts within a sealed casing outside which the operating coil is located, e.g. contact carried by a magnetic leaf spring or reed
    • H01H51/287—Details of the shape of the contact springs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Contacts (AREA)
BE545323A 1955-02-18 1956-02-17 BE545323A (el)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US489046A US2837612A (en) 1955-02-18 1955-02-18 Mercury switches

Publications (1)

Publication Number Publication Date
BE545323A true BE545323A (el) 1956-03-15

Family

ID=23942191

Family Applications (1)

Application Number Title Priority Date Filing Date
BE545323A BE545323A (el) 1955-02-18 1956-02-17

Country Status (7)

Country Link
US (1) US2837612A (el)
BE (1) BE545323A (el)
CH (1) CH340278A (el)
DE (1) DE1044975B (el)
FR (1) FR1137591A (el)
GB (1) GB790958A (el)
NL (2) NL102373C (el)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033965A (en) * 1962-05-08 Chatter-free sealed-in contacts
GB2166594B (en) * 1984-11-07 1988-06-08 Stc Plc High sensitivity miniature electro-magnetic relay
US4804932A (en) * 1986-08-22 1989-02-14 Nec Corporation Mercury wetted contact switch

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE247686C (el) *
US1289637A (en) * 1915-03-29 1918-12-31 William M Bruce Jr Telegraph apparatus.
US1240306A (en) * 1915-10-23 1917-09-18 United Telegraph & Cable Company Telegraphy.
US2242636A (en) * 1936-10-30 1941-05-20 Edison Inc Thomas A Electric switch
DE684355C (de) * 1937-07-08 1939-11-27 Walter Baertsch Elektrischer Schalter mit Quecksilberkontakten
US2257900A (en) * 1937-12-01 1941-10-07 Honeywell Regulator Co Tube switch
BE475679A (el) * 1940-07-11
US2288811A (en) * 1941-05-13 1942-07-07 Bell Telephone Labor Inc Switching device
GB576861A (en) * 1944-05-15 1946-04-24 Electro Methods Ltd Improvements in or relating to electro-magnetic relays
US2445406A (en) * 1944-07-21 1948-07-20 Bell Telephone Labor Inc Circuit maker and breaker
US2483723A (en) * 1945-04-03 1949-10-04 Bell Telephone Labor Inc Electromagnetic circuit maker and breaker
US2524340A (en) * 1945-07-13 1950-10-03 Jessie R Bolin Mercury switch for control compasses

Also Published As

Publication number Publication date
CH340278A (de) 1959-08-15
NL102373C (el) 1962-09-17
DE1044975B (de) 1958-11-27
GB790958A (en) 1958-02-19
NL203405A (el) 1900-01-01
US2837612A (en) 1958-06-03
FR1137591A (fr) 1957-05-31

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