GB255657A - Improvements in step-by-step switching apparatus for telephone systems - Google Patents

Improvements in step-by-step switching apparatus for telephone systems

Info

Publication number
GB255657A
GB255657A GB2045225A GB2045225A GB255657A GB 255657 A GB255657 A GB 255657A GB 2045225 A GB2045225 A GB 2045225A GB 2045225 A GB2045225 A GB 2045225A GB 255657 A GB255657 A GB 255657A
Authority
GB
United Kingdom
Prior art keywords
wipers
terminals
switching apparatus
telephone systems
reduce wear
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
GB2045225A
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.)
COVENTRY AUTOM TELEPHONES Ltd
Original Assignee
COVENTRY AUTOM TELEPHONES Ltd
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 COVENTRY AUTOM TELEPHONES Ltd filed Critical COVENTRY AUTOM TELEPHONES Ltd
Priority to GB2045225A priority Critical patent/GB255657A/en
Publication of GB255657A publication Critical patent/GB255657A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H63/00—Details of electrically-operated selector switches
    • H01H63/02—Contacts; Wipers; Connections thereto

Landscapes

  • Telephone Set Structure (AREA)

Abstract

255,657. Coventry Automatic Telephones, Ltd., and Puckette, C. C. Aug. 14, 1925. Selectors.-In order to reduce wear on the terminals of a step-by step switch, in place of double-ended wipers, separate wipers 3, 4 are employed in conjunction with two similar rows of terminals, corresponding terminals being connected together. A larger number of angularly-spaced wipers may be used if it is desired to reduce wear still further.
GB2045225A 1925-08-14 1925-08-14 Improvements in step-by-step switching apparatus for telephone systems Expired GB255657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2045225A GB255657A (en) 1925-08-14 1925-08-14 Improvements in step-by-step switching apparatus for telephone systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2045225A GB255657A (en) 1925-08-14 1925-08-14 Improvements in step-by-step switching apparatus for telephone systems

Publications (1)

Publication Number Publication Date
GB255657A true GB255657A (en) 1926-07-29

Family

ID=10146175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2045225A Expired GB255657A (en) 1925-08-14 1925-08-14 Improvements in step-by-step switching apparatus for telephone systems

Country Status (1)

Country Link
GB (1) GB255657A (en)

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