GB207483A - Automatic telephone system and switching apparatus therefor - Google Patents

Automatic telephone system and switching apparatus therefor

Info

Publication number
GB207483A
GB207483A GB2594423A GB2594423A GB207483A GB 207483 A GB207483 A GB 207483A GB 2594423 A GB2594423 A GB 2594423A GB 2594423 A GB2594423 A GB 2594423A GB 207483 A GB207483 A GB 207483A
Authority
GB
United Kingdom
Prior art keywords
telephone system
switching apparatus
apparatus therefor
automatic telephone
armatures
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
GB2594423A
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.)
Individual
Original Assignee
Individual
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
Priority to GB2094321A priority Critical patent/GB189841A/en
Application filed by Individual filed Critical Individual
Priority to GB2594423A priority patent/GB207483A/en
Publication of GB207483A publication Critical patent/GB207483A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/02—Multi-position wiper switches
    • H01H67/04—Multi-position wiper switches having wipers movable only in one direction for purpose of selection
    • H01H67/06—Rotary switches, i.e. having angularly movable wipers

Landscapes

  • Load-Engaging Elements For Cranes (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Prostheses (AREA)
  • Relay Circuits (AREA)

Abstract

207,483. Baron, H., (Aldendorff, F.) July 17, 1922. Addition to 189,841, [Class 40 (iv), Telephones &c.]. Drawings to Specification. Relays with magnets acting on two armatures. -A construction of relay having two armatures, one of which responds more quickly than the other, is identical with that described' in Specification 207,484. Specification 207,219 also is referred to.
GB2594423A 1922-07-17 1922-07-17 Automatic telephone system and switching apparatus therefor Expired GB207483A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2094321A GB189841A (en) 1922-07-17 1921-08-06 Automatic switching arrangements for telephone exchanges and the like
GB2594423A GB207483A (en) 1922-07-17 1922-07-17 Automatic telephone system and switching apparatus therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2594423A GB207483A (en) 1922-07-17 1922-07-17 Automatic telephone system and switching apparatus therefor

Publications (1)

Publication Number Publication Date
GB207483A true GB207483A (en) 1923-11-19

Family

ID=10235849

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2094321A Expired GB189841A (en) 1922-07-17 1921-08-06 Automatic switching arrangements for telephone exchanges and the like
GB2594423A Expired GB207483A (en) 1922-07-17 1922-07-17 Automatic telephone system and switching apparatus therefor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB2094321A Expired GB189841A (en) 1922-07-17 1921-08-06 Automatic switching arrangements for telephone exchanges and the like

Country Status (1)

Country Link
GB (2) GB189841A (en)

Also Published As

Publication number Publication date
GB189841A (en) 1922-12-06

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