FR1218981A - Electromagnetic vibrator - Google Patents

Electromagnetic vibrator

Info

Publication number
FR1218981A
FR1218981A FR789757A FR789757A FR1218981A FR 1218981 A FR1218981 A FR 1218981A FR 789757 A FR789757 A FR 789757A FR 789757 A FR789757 A FR 789757A FR 1218981 A FR1218981 A FR 1218981A
Authority
FR
France
Prior art keywords
electromagnetic vibrator
vibrator
electromagnetic
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
FR789757A
Other languages
French (fr)
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.)
RECH S ET D EXPL DE PROCEDES E
Original Assignee
RECH S ET D EXPL DE PROCEDES E
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 RECH S ET D EXPL DE PROCEDES E filed Critical RECH S ET D EXPL DE PROCEDES E
Application granted granted Critical
Publication of FR1218981A publication Critical patent/FR1218981A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
    • H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
    • H02K33/04—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
    • B26B19/282—Motors without a rotating central drive shaft, e.g. linear motors
    • B26B19/284—Motors without a rotating central drive shaft, e.g. linear motors with an actuator oscillating about a pivot axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/46—Circuit arrangements not adapted to a particular application of the protective device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/20—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess voltage
FR789757A 1959-02-24 1959-03-18 Electromagnetic vibrator Expired FR1218981A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA1218981X 1959-02-24

Publications (1)

Publication Number Publication Date
FR1218981A true FR1218981A (en) 1960-05-13

Family

ID=19737248

Family Applications (2)

Application Number Title Priority Date Filing Date
FR789757A Expired FR1218981A (en) 1959-02-24 1959-03-18 Electromagnetic vibrator
FR799412A Expired FR1235628A (en) 1959-02-24 1959-07-06 Surge protection device applied to electric shavers with electromagnetic vibrator

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR799412A Expired FR1235628A (en) 1959-02-24 1959-07-06 Surge protection device applied to electric shavers with electromagnetic vibrator

Country Status (1)

Country Link
FR (2) FR1218981A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322477A1 (en) * 1975-08-27 1977-03-25 Ibm TORSIONAL ELECTROMAGNETIC OSCILLATOR WITH AMPLITUDE AND RESONANCE FREQUENCY CONTROL DEVICE

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1485612A (en) * 1966-04-05 1967-06-23 Calor App Electro Domestiques Surge protection warning device, in particular for dual-voltage electric shavers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2322477A1 (en) * 1975-08-27 1977-03-25 Ibm TORSIONAL ELECTROMAGNETIC OSCILLATOR WITH AMPLITUDE AND RESONANCE FREQUENCY CONTROL DEVICE

Also Published As

Publication number Publication date
FR1235628A (en) 1960-11-04

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