FR518257A - Line selector for automatic telephone systems - Google Patents

Line selector for automatic telephone systems

Info

Publication number
FR518257A
FR518257A FR518257A FR518257DA FR518257A FR 518257 A FR518257 A FR 518257A FR 518257 A FR518257 A FR 518257A FR 518257D A FR518257D A FR 518257DA FR 518257 A FR518257 A FR 518257A
Authority
FR
France
Prior art keywords
telephone systems
line selector
automatic telephone
selector
automatic
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
FR518257A
Other languages
French (fr)
Inventor
Augusto Rosa
Giuseppe Simonetta
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR518257A publication Critical patent/FR518257A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B15/00—Machines for sewing leather goods
    • D05B15/02—Shoe sewing machines
    • 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

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Structure Of Telephone Exchanges (AREA)
FR518257A 1916-11-20 1920-06-29 Line selector for automatic telephone systems Expired FR518257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT518257X 1916-11-20

Publications (1)

Publication Number Publication Date
FR518257A true FR518257A (en) 1921-05-21

Family

ID=11275800

Family Applications (1)

Application Number Title Priority Date Filing Date
FR518257A Expired FR518257A (en) 1916-11-20 1920-06-29 Line selector for automatic telephone systems

Country Status (2)

Country Link
DE (1) DE381920C (en)
FR (1) FR518257A (en)

Also Published As

Publication number Publication date
DE381920C (en) 1923-09-26

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