CH308383A - Electromagnetic vibrator. - Google Patents

Electromagnetic vibrator.

Info

Publication number
CH308383A
CH308383A CH308383DA CH308383A CH 308383 A CH308383 A CH 308383A CH 308383D A CH308383D A CH 308383DA CH 308383 A CH308383 A CH 308383A
Authority
CH
Switzerland
Prior art keywords
electromagnetic vibrator
vibrator
electromagnetic
Prior art date
Application number
Other languages
French (fr)
Inventor
Telephones Compagnie Indus Des
Original Assignee
Cie Ind Telephones
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 Cie Ind Telephones filed Critical Cie Ind Telephones
Publication of CH308383A publication Critical patent/CH308383A/en

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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
CH308383D 1952-03-04 1953-03-02 Electromagnetic vibrator. CH308383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1052056T 1952-03-04

Publications (1)

Publication Number Publication Date
CH308383A true CH308383A (en) 1955-07-15

Family

ID=9595063

Family Applications (1)

Application Number Title Priority Date Filing Date
CH308383D CH308383A (en) 1952-03-04 1953-03-02 Electromagnetic vibrator.

Country Status (4)

Country Link
CH (1) CH308383A (en)
FR (3) FR1052055A (en)
IT (1) IT500077A (en)
NL (2) NL169510B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL270678A (en) * 1960-10-29
US3529105A (en) * 1967-02-15 1970-09-15 Emerson Electric Co Snap switch and thermoresponsive actuator

Also Published As

Publication number Publication date
IT500077A (en)
NL169510B (en)
FR1052055A (en) 1954-01-21
FR1052056A (en) 1954-01-21
FR1052054A (en) 1954-01-21
NL89644C (en)

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