GB173284A - Ringing arrangement for carrier wave signalling system - Google Patents

Ringing arrangement for carrier wave signalling system

Info

Publication number
GB173284A
GB173284A GB26538/20A GB2653820A GB173284A GB 173284 A GB173284 A GB 173284A GB 26538/20 A GB26538/20 A GB 26538/20A GB 2653820 A GB2653820 A GB 2653820A GB 173284 A GB173284 A GB 173284A
Authority
GB
United Kingdom
Prior art keywords
line
relay
frequency
ringing
current
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
GB26538/20A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 US326586A priority Critical patent/US1402202A/en
Priority to NL16329A priority patent/NL10718C/xx
Priority to DEB95854D priority patent/DE397416C/de
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Priority to GB26538/20A priority patent/GB173284A/en
Priority to FR526456A priority patent/FR526456A/fr
Priority to CH96790D priority patent/CH96790A/fr
Publication of GB173284A publication Critical patent/GB173284A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB26538/20A 1919-09-26 1920-09-16 Ringing arrangement for carrier wave signalling system Expired GB173284A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US326586A US1402202A (en) 1919-09-26 1919-09-26 Ringing arrangement for multiplex circuits
NL16329A NL10718C (de) 1919-09-26 1920-09-02
DEB95854D DE397416C (de) 1919-09-26 1920-09-10 Telephonsystem, bei welchem eine gewoehnliche Telephonleitung mit Zweiwegeuebertragung von Telephonstroemen zusammen mit einem Hochfrequenzsystem arbeitet
GB26538/20A GB173284A (en) 1919-09-26 1920-09-16 Ringing arrangement for carrier wave signalling system
FR526456A FR526456A (fr) 1919-09-26 1920-10-11 Arrangement pour la transmission des courants de sonnerie dans les systèmes de signalisation par courants porteurs
CH96790D CH96790A (fr) 1919-09-26 1920-10-12 Installation de transmission téléphonique à l'aide de courants à haute fréquence, disposée en vue de la transmission de signaux auxiliaires.

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US326586A US1402202A (en) 1919-09-26 1919-09-26 Ringing arrangement for multiplex circuits
NL16329A NL10718C (de) 1919-09-26 1920-09-02
GB26538/20A GB173284A (en) 1919-09-26 1920-09-16 Ringing arrangement for carrier wave signalling system
FR526456T 1920-10-11
CH96790T 1920-10-12

Publications (1)

Publication Number Publication Date
GB173284A true GB173284A (en) 1921-12-16

Family

ID=40380285

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26538/20A Expired GB173284A (en) 1919-09-26 1920-09-16 Ringing arrangement for carrier wave signalling system

Country Status (6)

Country Link
US (1) US1402202A (de)
CH (1) CH96790A (de)
DE (1) DE397416C (de)
FR (1) FR526456A (de)
GB (1) GB173284A (de)
NL (1) NL10718C (de)

Also Published As

Publication number Publication date
CH96790A (fr) 1922-11-16
NL10718C (de) 1924-03-15
DE397416C (de) 1924-06-24
FR526456A (fr) 1921-10-08
US1402202A (en) 1922-01-03

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