NO801166L - Mekanisk anordning for tidsbegrensning av telefonsamtale - Google Patents

Mekanisk anordning for tidsbegrensning av telefonsamtale

Info

Publication number
NO801166L
NO801166L NO801166A NO801166A NO801166L NO 801166 L NO801166 L NO 801166L NO 801166 A NO801166 A NO 801166A NO 801166 A NO801166 A NO 801166A NO 801166 L NO801166 L NO 801166L
Authority
NO
Norway
Prior art keywords
box
attached
telephone set
telephone
timer
Prior art date
Application number
NO801166A
Other languages
English (en)
Norwegian (no)
Inventor
Donato Colombo
Lapo Baldacci
Original Assignee
Imca Italia Srl
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 Imca Italia Srl filed Critical Imca Italia Srl
Publication of NO801166L publication Critical patent/NO801166L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/66Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667Preventing unauthorised calls from a telephone set
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28Arrangements 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
    • H04M15/30Arrangements 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 the meter or calculation of charges not being controlled from an exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephone Set Structure (AREA)
  • Transceivers (AREA)
  • Meter Arrangements (AREA)
  • Electric Clocks (AREA)
NO801166A 1979-04-24 1980-04-22 Mekanisk anordning for tidsbegrensning av telefonsamtale NO801166L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22110/79A IT1112715B (it) 1979-04-24 1979-04-24 Dispositivo meccanico limitatore della durata delle conversazioni telefoniche

Publications (1)

Publication Number Publication Date
NO801166L true NO801166L (no) 1980-10-27

Family

ID=11191634

Family Applications (1)

Application Number Title Priority Date Filing Date
NO801166A NO801166L (no) 1979-04-24 1980-04-22 Mekanisk anordning for tidsbegrensning av telefonsamtale

Country Status (13)

Country Link
US (1) US4335279A (it)
EP (1) EP0017984B1 (it)
JP (1) JPS55143868A (it)
AR (1) AR222702A1 (it)
AT (1) ATE6823T1 (it)
BR (1) BR8002483A (it)
CA (1) CA1137241A (it)
DE (1) DE3067093D1 (it)
ES (1) ES490530A0 (it)
GR (1) GR67693B (it)
IT (1) IT1112715B (it)
MX (1) MX147600A (it)
NO (1) NO801166L (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149348A1 (de) * 1981-12-12 1983-06-16 Agfa-Gevaert Ag, 5090 Leverkusen Gespraechzeitmess- und anzeigevorrichtung fuer fernsprechgeraete
JPS60180270A (ja) * 1984-02-27 1985-09-14 Nec Corp 通話時間制限機能付移動体電話機
US5062134A (en) * 1990-09-17 1991-10-29 Laird James M Timer for controlling telephone usage
DE4219416C2 (de) * 1992-06-13 1995-02-16 Grundig Emv Verfahren und Schaltungsanordnung zur Begrenzung der Verbindungsgebühren für Teilnehmereinrichtungen
GB9920089D0 (en) * 1999-08-25 1999-10-27 Goodwill Andrew Time limiting device
US6355179B1 (en) 1999-12-10 2002-03-12 Basf Corporation Decomposition of residual hydroxylamine by hydrogen peroxide treatment
US20160002953A1 (en) * 2014-07-01 2016-01-07 Jeffrey Sada Electronic time lock

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2202149A (en) * 1937-08-30 1940-05-28 Bernard N Gottlieb Timing device for telephones
US2609045A (en) * 1951-04-16 1952-09-02 Henry R Kaiser Timer attachment for telephones
US2653195A (en) * 1951-06-04 1953-09-22 Electronic Secretary Inc Combination timing and telephone circuit controlling system
US3472966A (en) * 1966-09-13 1969-10-14 Ryden R Simmons Conversation interrupter
US3598931A (en) * 1969-07-30 1971-08-10 Master Lock Co Telephone set locks
US3970789A (en) * 1975-01-15 1976-07-20 Simmons Sr Ryden R Telephone service control device

Also Published As

Publication number Publication date
ATE6823T1 (de) 1984-04-15
IT1112715B (it) 1986-01-20
CA1137241A (en) 1982-12-07
ES8103627A1 (es) 1981-03-16
EP0017984B1 (en) 1984-03-21
GR67693B (it) 1981-09-07
US4335279A (en) 1982-06-15
AR222702A1 (es) 1981-06-15
JPS55143868A (en) 1980-11-10
EP0017984A1 (en) 1980-10-29
ES490530A0 (es) 1981-03-16
BR8002483A (pt) 1981-08-04
DE3067093D1 (en) 1984-04-26
IT7922110A0 (it) 1979-04-24
MX147600A (es) 1982-12-17

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