GB906158A - Improvements in or relating to circuit arrangements for use in evaluating a signal current - Google Patents

Improvements in or relating to circuit arrangements for use in evaluating a signal current

Info

Publication number
GB906158A
GB906158A GB807459A GB807459A GB906158A GB 906158 A GB906158 A GB 906158A GB 807459 A GB807459 A GB 807459A GB 807459 A GB807459 A GB 807459A GB 906158 A GB906158 A GB 906158A
Authority
GB
United Kingdom
Prior art keywords
stable circuits
current
rectifiers
march
comparison
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
GB807459A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB906158A publication Critical patent/GB906158A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Dc Digital Transmission (AREA)
GB807459A 1958-03-10 1959-03-09 Improvements in or relating to circuit arrangements for use in evaluating a signal current Expired GB906158A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES57271A DE1055060B (de) 1958-03-10 1958-03-10 Schaltungsanordnung zum Empfang und zur Auswertung unterschiedlicher Signalstroeme bei der Informationsuebertragung, insbesondere in Anlagen der Nachrichtenvermittlungstechnik

Publications (1)

Publication Number Publication Date
GB906158A true GB906158A (en) 1962-09-19

Family

ID=7491691

Family Applications (1)

Application Number Title Priority Date Filing Date
GB807459A Expired GB906158A (en) 1958-03-10 1959-03-09 Improvements in or relating to circuit arrangements for use in evaluating a signal current

Country Status (6)

Country Link
BE (1) BE575976A (enrdf_load_stackoverflow)
CH (1) CH366073A (enrdf_load_stackoverflow)
DE (1) DE1055060B (enrdf_load_stackoverflow)
FR (1) FR1229795A (enrdf_load_stackoverflow)
GB (1) GB906158A (enrdf_load_stackoverflow)
NL (1) NL236432A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665489A (en) * 1969-06-06 1972-05-23 Ericsson Telefon Ab L M Telephone instrument for voice frequency choice of number

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665489A (en) * 1969-06-06 1972-05-23 Ericsson Telefon Ab L M Telephone instrument for voice frequency choice of number

Also Published As

Publication number Publication date
BE575976A (fr) 1959-06-15
FR1229795A (fr) 1960-09-09
DE1055060B (de) 1959-04-16
NL236432A (enrdf_load_stackoverflow)
CH366073A (de) 1962-12-15

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