GB744460A - Improvements in or relating to electrical vibrators - Google Patents

Improvements in or relating to electrical vibrators

Info

Publication number
GB744460A
GB744460A GB2126855A GB2126855A GB744460A GB 744460 A GB744460 A GB 744460A GB 2126855 A GB2126855 A GB 2126855A GB 2126855 A GB2126855 A GB 2126855A GB 744460 A GB744460 A GB 744460A
Authority
GB
United Kingdom
Prior art keywords
relating
vibrators
electrical vibrators
electrical
april
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
GB2126855A
Inventor
Kenneth George Hodgson
Frank Fairley
Richard Kelly
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2126855A priority Critical patent/GB744460A/en
Publication of GB744460A publication Critical patent/GB744460A/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
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/54—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters
    • H02M7/58—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential
    • H02M7/62—Conversion of dc power input into ac power output without possibility of reversal by dynamic converters using mechanical contact-making and -breaking parts to interrupt a single potential with electromagnetically-operated vibrating contacts, e.g. chopper

Abstract

744,460. Standby supply systems. STANDARD TELEPHONES & CABLES, Ltd. April 1, 1952, No. 21268/55. Divided out of 744,401. Drawings to Specification. Class 38 (4). [Also in Group XXXVII] The subject-matter is the same as contained in Specification 744,401 but the claims are for the construction of the vibrators and their priming means.
GB2126855A 1952-04-01 1952-04-01 Improvements in or relating to electrical vibrators Expired GB744460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2126855A GB744460A (en) 1952-04-01 1952-04-01 Improvements in or relating to electrical vibrators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2126855A GB744460A (en) 1952-04-01 1952-04-01 Improvements in or relating to electrical vibrators

Publications (1)

Publication Number Publication Date
GB744460A true GB744460A (en) 1956-02-08

Family

ID=10160040

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2126855A Expired GB744460A (en) 1952-04-01 1952-04-01 Improvements in or relating to electrical vibrators

Country Status (1)

Country Link
GB (1) GB744460A (en)

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