SE346194B - - Google Patents

Info

Publication number
SE346194B
SE346194B SE11900/65A SE1190065A SE346194B SE 346194 B SE346194 B SE 346194B SE 11900/65 A SE11900/65 A SE 11900/65A SE 1190065 A SE1190065 A SE 1190065A SE 346194 B SE346194 B SE 346194B
Authority
SE
Sweden
Application number
SE11900/65A
Inventor
Der Veen R Van
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE346194B publication Critical patent/SE346194B/xx

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)
  • Interface Circuits In Exchanges (AREA)
SE11900/65A 1964-09-15 1965-09-13 SE346194B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6410711A NL6410711A (fr) 1964-09-15 1964-09-15

Publications (1)

Publication Number Publication Date
SE346194B true SE346194B (fr) 1972-06-26

Family

ID=19791015

Family Applications (1)

Application Number Title Priority Date Filing Date
SE11900/65A SE346194B (fr) 1964-09-15 1965-09-13

Country Status (11)

Country Link
US (1) US3456083A (fr)
JP (1) JPS4119444B1 (fr)
AT (1) AT254284B (fr)
BE (1) BE669624A (fr)
CH (1) CH434389A (fr)
DE (1) DE1279775B (fr)
DK (1) DK114001B (fr)
FR (1) FR1453530A (fr)
GB (1) GB1086648A (fr)
NL (1) NL6410711A (fr)
SE (1) SE346194B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2098898A5 (fr) * 1970-07-30 1972-03-10 Cit Alcatel
US4035583A (en) * 1976-05-03 1977-07-12 Gte Automatic Electric Laboratories Incorporated Method to apply and disconnect a 16 KHz signal to a telephone line without producing clicks
DE2852488C2 (de) * 1978-12-05 1982-05-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Schaltungsanordnung zur Auswertung von codierten Gleichstromtastwahlkennzeichen in Fernsprechanlagen mit unterschiedlich langen Teilnehneranschlußleitungen
CA1114536A (fr) * 1978-12-11 1981-12-15 William B. Kiss Generateur de sonnerie
DE3036801C2 (de) * 1980-09-30 1982-08-26 Ritto-Werk Loh GmbH & Co KG, 6348 Herborn Schaltungsanordnung zur Übertragung von Gleichstrom-Kennzeichen über eine zweiradrige Leitung von einer Sendestelle zu einer Empfangsstelle, insbesondere von einer Sprechstelle zu der Zentrale einer Sprechanlage
US4839920A (en) * 1985-09-30 1989-06-13 Siemens Aktiengesellschaft Method for determining telephone dial pulse parameters independently of subscriber line length

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1761115A (en) * 1927-09-02 1930-06-03 John E Gardner Automatic telephone system
US2038303A (en) * 1934-11-17 1936-04-21 Bell Telephone Labor Inc Signaling system
US2410866A (en) * 1944-04-17 1946-11-12 Automatic Elect Lab Telephone system
US2681386A (en) * 1948-07-13 1954-06-15 Automatic Telephone & Elect Electrical signaling system using nonlinear resistors for control
BE564293A (fr) * 1957-01-30

Also Published As

Publication number Publication date
NL6410711A (fr) 1966-03-16
FR1453530A (fr) 1966-06-03
JPS4119444B1 (fr) 1966-11-11
US3456083A (en) 1969-07-15
DK114001B (da) 1969-05-19
CH434389A (de) 1967-04-30
BE669624A (fr)
DE1279775B (de) 1968-10-10
GB1086648A (en) 1967-10-11
AT254284B (de) 1967-05-10

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