GB191301157A - Improvements in Switches for Automatic Telephone Systems. - Google Patents

Improvements in Switches for Automatic Telephone Systems.

Info

Publication number
GB191301157A
GB191301157A GB191301157DA GB191301157A GB 191301157 A GB191301157 A GB 191301157A GB 191301157D A GB191301157D A GB 191301157DA GB 191301157 A GB191301157 A GB 191301157A
Authority
GB
United Kingdom
Prior art keywords
relay
wipers
magnet
circuit
impulses
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 - Lifetime
Application number
Other languages
English (en)
Inventor
Mansfield Bruce William
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 of GB191301157A publication Critical patent/GB191301157A/en
Application filed by Individual filed Critical Individual
Anticipated expiration legal-status Critical
Expired - Lifetime 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

  • Telephone Set Structure (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB191301157D 1912-01-26 1913-01-15 Improvements in Switches for Automatic Telephone Systems. Expired - Lifetime GB191301157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US191301157XA 1912-01-26 1912-01-26

Publications (1)

Publication Number Publication Date
GB191301157A true GB191301157A (en)

Family

ID=32597215

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191301157D Expired - Lifetime GB191301157A (en) 1912-01-26 1913-01-15 Improvements in Switches for Automatic Telephone Systems.

Country Status (2)

Country Link
DE (1) DE259830C (enrdf_load_stackoverflow)
GB (1) GB191301157A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6257402B1 (en) * 2000-04-06 2001-07-10 Eveready Battery Company, Inc. Package having vapor pressure control for batteries

Also Published As

Publication number Publication date
DE259830C (enrdf_load_stackoverflow) 1913-05-16

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