GB1389512A - Electrical protection apparatus - Google Patents

Electrical protection apparatus

Info

Publication number
GB1389512A
GB1389512A GB502973A GB502973A GB1389512A GB 1389512 A GB1389512 A GB 1389512A GB 502973 A GB502973 A GB 502973A GB 502973 A GB502973 A GB 502973A GB 1389512 A GB1389512 A GB 1389512A
Authority
GB
United Kingdom
Prior art keywords
signal
motor
network
inhibit
signals
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
GB502973A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1389512A publication Critical patent/GB1389512A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/48—Starting; Accelerating; Decelerating; Arrangements preventing malfunction during drive change
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Control Of Electric Motors In General (AREA)
GB502973A 1972-04-14 1973-02-01 Electrical protection apparatus Expired GB1389512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24408572A 1972-04-14 1972-04-14

Publications (1)

Publication Number Publication Date
GB1389512A true GB1389512A (en) 1975-04-03

Family

ID=22921317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB502973A Expired GB1389512A (en) 1972-04-14 1973-02-01 Electrical protection apparatus

Country Status (4)

Country Link
JP (1) JPS4916840A (enrdf_load_stackoverflow)
DE (1) DE2317917A1 (enrdf_load_stackoverflow)
FR (1) FR2179733A1 (enrdf_load_stackoverflow)
GB (1) GB1389512A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112018720A (zh) * 2019-05-31 2020-12-01 核工业理化工程研究院 基于plc控制的供电系统停电保护方法和保护系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112018720A (zh) * 2019-05-31 2020-12-01 核工业理化工程研究院 基于plc控制的供电系统停电保护方法和保护系统

Also Published As

Publication number Publication date
JPS4916840A (enrdf_load_stackoverflow) 1974-02-14
FR2179733A1 (enrdf_load_stackoverflow) 1973-11-23
DE2317917A1 (de) 1973-10-25

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee