NL1542C - Telefooninstallatie met lijnschakelaars - Google Patents

Telefooninstallatie met lijnschakelaars

Info

Publication number
NL1542C
NL1542C NL144A NL144A NL1542C NL 1542 C NL1542 C NL 1542C NL 144 A NL144 A NL 144A NL 144 A NL144 A NL 144A NL 1542 C NL1542 C NL 1542C
Authority
NL
Netherlands
Prior art keywords
telephone system
line switches
switches
line
telephone
Prior art date
Application number
NL144A
Other languages
English (en)
Original Assignee
Automatic Telephone Manufacturing Co 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 Automatic Telephone Manufacturing Co Ltd filed Critical Automatic Telephone Manufacturing Co Ltd
Application granted granted Critical
Publication of NL1542C publication Critical patent/NL1542C/nl

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
NL144A 1911-06-28 1912-06-03 Telefooninstallatie met lijnschakelaars NL1542C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63569711A US1185510A (en) 1911-06-28 1911-06-28 Telephone system.

Publications (1)

Publication Number Publication Date
NL1542C true NL1542C (nl) 1916-09-15

Family

ID=3253475

Family Applications (1)

Application Number Title Priority Date Filing Date
NL144A NL1542C (nl) 1911-06-28 1912-06-03 Telefooninstallatie met lijnschakelaars

Country Status (4)

Country Link
US (1) US1185510A (nl)
FR (1) FR449234A (nl)
GB (1) GB191215072A (nl)
NL (1) NL1542C (nl)

Also Published As

Publication number Publication date
GB191215072A (en) 1913-06-26
FR449234A (fr) 1913-02-20
US1185510A (en) 1916-05-30

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