FR1581362A - - Google Patents

Info

Publication number
FR1581362A
FR1581362A FR1581362DA FR1581362A FR 1581362 A FR1581362 A FR 1581362A FR 1581362D A FR1581362D A FR 1581362DA FR 1581362 A FR1581362 A FR 1581362A
Authority
FR
France
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
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 filed Critical
Application granted granted Critical
Publication of FR1581362A publication Critical patent/FR1581362A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • 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
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of dc pulses
FR1581362D 1967-09-27 1968-09-16 Expired FR1581362A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2093567 1967-09-27

Publications (1)

Publication Number Publication Date
FR1581362A true FR1581362A (fr) 1969-09-12

Family

ID=11174291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1581362D Expired FR1581362A (fr) 1967-09-27 1968-09-16

Country Status (8)

Country Link
US (1) US3581008A (fr)
AT (1) AT303134B (fr)
BE (1) BE721273A (fr)
CH (1) CH494507A (fr)
DE (1) DE1762895A1 (fr)
FR (1) FR1581362A (fr)
GB (1) GB1236215A (fr)
NL (1) NL6812919A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699274A (en) * 1971-07-22 1972-10-17 Perkins Res & Mfg Co Apparatus for identifying telephone cable pairs
US4184045A (en) * 1978-05-25 1980-01-15 Hansson Gert Ake G System and method for transmission of information
IT1179742B (it) * 1984-07-27 1987-09-16 Urmet Spa Apparecchio telefonico per uso pubblico con microprocessore di gestione integrale

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL18105C (fr) * 1924-02-29
US2332907A (en) * 1942-04-23 1943-10-26 Bell Telephone Labor Inc Signaling system
US3321578A (en) * 1963-09-19 1967-05-23 Northern Electric Co Polar grounded loop d.c. telegraph receiver circuit

Also Published As

Publication number Publication date
NL6812919A (fr) 1969-03-31
DE1762895A1 (de) 1970-10-29
US3581008A (en) 1971-05-25
AT303134B (de) 1972-11-10
GB1236215A (en) 1971-06-23
CH494507A (fr) 1970-07-31
BE721273A (fr) 1969-03-03

Similar Documents

Publication Publication Date Title
AU425114B2 (fr)
AT298283B (fr)
FR1581362A (fr)
AU2277767A (fr)
AU342066A (fr)
AU2454867A (fr)
AU3189468A (fr)
AU1273466A (fr)
AU2116667A (fr)
AU2256867A (fr)
AU2528767A (fr)
AU610966A (fr)
AU2977667A (fr)
AU3151267A (fr)
AU23366A (fr)
BE708890A (fr)
AU34866A (fr)
BE509738A (fr)
BE483855A (fr)
AU459699A (fr)
AU3054676A (fr)
AU97666A (fr)
AU25066A (fr)
BE692375A (fr)
AU2406369A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse