FR877580A - Device for periodic opening and closing of contacts or switches - Google Patents

Device for periodic opening and closing of contacts or switches

Info

Publication number
FR877580A
FR877580A FR877580DA FR877580A FR 877580 A FR877580 A FR 877580A FR 877580D A FR877580D A FR 877580DA FR 877580 A FR877580 A FR 877580A
Authority
FR
France
Prior art keywords
switches
contacts
closing
periodic opening
periodic
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
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Application granted granted Critical
Publication of FR877580A publication Critical patent/FR877580A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/30—Conversion of ac power input into dc power output without possibility of reversal by dynamic converters
    • H02M7/32—Conversion of ac power input into dc power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts
    • H02M7/36—Conversion of ac power input into dc power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts with electromagnetically-operated vibrating contacts, e.g. chopper
FR877580D 1940-12-17 1941-12-06 Device for periodic opening and closing of contacts or switches Expired FR877580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE877580X 1940-12-17

Publications (1)

Publication Number Publication Date
FR877580A true FR877580A (en) 1942-12-10

Family

ID=6818131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877580D Expired FR877580A (en) 1940-12-17 1941-12-06 Device for periodic opening and closing of contacts or switches

Country Status (1)

Country Link
FR (1) FR877580A (en)

Similar Documents

Publication Publication Date Title
FR725951A (en) Hydraulic opening and closing device
FR877580A (en) Device for periodic opening and closing of contacts or switches
CH373796A (en) Device for the selective closing or opening of several electrical circuits
FR1029456A (en) Advanced device for closing and opening doors
FR1032025A (en) Door opening and closing device
FR836614A (en) Device for opening and closing bays and in particular ship hold doors
FR992792A (en) Device for controlling the opening and closing of electrical circuits
FR1095247A (en) Device for automatic opening and closing of doors and similar applications
CH376797A (en) Closing device of a swing door
FR52280E (en) Circuit breaking and closing device
FR1280627A (en) Device for the automatic opening and closing of an automobile door
FR966341A (en) Device for opening and closing waterproof watch cases
FR770768A (en) Opening and closing device for sliding doors and the like
FR896138A (en) Contact instrument for switches with prescribed opening and closing times
FR863132A (en) Closing device for cellars
FR887075A (en) Switching contact device with determined opening and closing times
FR1061364A (en) Device for controlling the opening and closing of extraction skips or buckets
FR652033A (en) Closing and opening device for cases
FR1017535A (en) Spring device for closing and opening doors
FR850050A (en) Circuit breaking and closing device
FR41171E (en) Control device for abrupt opening and closing of knife switches
FR578790A (en) Device for controlling the opening of doors and receptacles kept closed
FR52790E (en) Switching contact device with determined opening and closing times
FR797923A (en) Device for closing and opening bays
FR725756A (en) Control device for abrupt opening and closing of knife switches