FR904972A - électro-moteur à impulsions, en particulier pour téléphonie automatique - Google Patents

électro-moteur à impulsions, en particulier pour téléphonie automatique

Info

Publication number
FR904972A
FR904972A FR904972DA FR904972A FR 904972 A FR904972 A FR 904972A FR 904972D A FR904972D A FR 904972DA FR 904972 A FR904972 A FR 904972A
Authority
FR
France
Prior art keywords
pulse motor
electric pulse
automatic telephony
telephony
automatic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR904972A publication Critical patent/FR904972A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/10—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type
    • H02K37/20—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of permanent magnet type with rotating flux distributors, the armatures and magnets both being stationary
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H01H63/16—Driving arrangements for multi-position wipers
    • H01H63/18—Driving arrangements for multi-position wipers with step-by-step motion of wiper to a selector position
    • H01H63/22—Driving arrangements for multi-position wipers with step-by-step motion of wiper to a selector position using step-by-step electromagnetic drive without ratchet, e.g. self-interrupting driving magnet
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K37/00—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors
    • H02K37/02—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of variable reluctance type
    • H02K37/04—Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors of variable reluctance type with rotors situated within the stators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
FR904972D 1943-07-09 1944-06-10 électro-moteur à impulsions, en particulier pour téléphonie automatique Expired FR904972A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE904972X 1943-07-09

Publications (1)

Publication Number Publication Date
FR904972A true FR904972A (fr) 1945-11-21

Family

ID=20381418

Family Applications (1)

Application Number Title Priority Date Filing Date
FR904972D Expired FR904972A (fr) 1943-07-09 1944-06-10 électro-moteur à impulsions, en particulier pour téléphonie automatique

Country Status (1)

Country Link
FR (1) FR904972A (fr)

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