ES490530A0 - Perfeccionamientos en los sistemas mecanicos limitadores de la duracion de una conversacion telefonica - Google Patents

Perfeccionamientos en los sistemas mecanicos limitadores de la duracion de una conversacion telefonica

Info

Publication number
ES490530A0
ES490530A0 ES490530A ES490530A ES490530A0 ES 490530 A0 ES490530 A0 ES 490530A0 ES 490530 A ES490530 A ES 490530A ES 490530 A ES490530 A ES 490530A ES 490530 A0 ES490530 A0 ES 490530A0
Authority
ES
Spain
Prior art keywords
duration
mechanical systems
telephone conversation
systems limiting
limiting
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.)
Granted
Application number
ES490530A
Other languages
English (en)
Other versions
ES8103627A1 (es
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.)
IMCA ITALIA Srl
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 ES8103627A1 publication Critical patent/ES8103627A1/es
Publication of ES490530A0 publication Critical patent/ES490530A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • 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
    • H04M15/30—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 the meter or calculation of charges not being controlled from an exchange
ES490530A 1979-04-24 1980-04-12 Perfeccionamientos en los sistemas mecanicos limitadores de la duracion de una conversacion telefonica Granted ES490530A0 (es)

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 (2)

Publication Number Publication Date
ES8103627A1 ES8103627A1 (es) 1981-03-16
ES490530A0 true ES490530A0 (es) 1981-03-16

Family

ID=11191634

Family Applications (1)

Application Number Title Priority Date Filing Date
ES490530A Granted ES490530A0 (es) 1979-04-24 1980-04-12 Perfeccionamientos en los sistemas mecanicos limitadores de la duracion de una conversacion telefonica

Country Status (13)

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

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
CA1137241A (en) 1982-12-07
MX147600A (es) 1982-12-17
BR8002483A (pt) 1981-08-04
AR222702A1 (es) 1981-06-15
JPS55143868A (en) 1980-11-10
ES8103627A1 (es) 1981-03-16
IT1112715B (it) 1986-01-20
ATE6823T1 (de) 1984-04-15
EP0017984B1 (en) 1984-03-21
GR67693B (es) 1981-09-07
DE3067093D1 (en) 1984-04-26
EP0017984A1 (en) 1980-10-29
US4335279A (en) 1982-06-15
NO801166L (no) 1980-10-27
IT7922110A0 (it) 1979-04-24

Similar Documents

Publication Publication Date Title
AR227532A1 (es) Una l-aspartil-d-aminoacido-dipeptida-amida
IT1176152B (it) Generatore di segnali di chiamata telefonica
IT1193912B (it) Apparecchio telefonico e microtelefono integrali
SE8002838L (sv) Feste
MX144953A (es) Mejoras en adaptador electroacustico para telefono
ES490530A0 (es) Perfeccionamientos en los sistemas mecanicos limitadores de la duracion de una conversacion telefonica
IT1140818B (it) Generatore di segnali di chiamata
ES498888A0 (es) Una maquina-herramienta mejorada
BR7900997A (pt) Monofone telefonico
IT1128204B (it) Doccia particolarmente doccia a telefono
DK119681A (da) Telefonhoerer
ATA21383A (de) Fernsprechmikrofon
PT73434A (fr) Sonneria de telephone
JPS55149999A (en) Recorddinformation voice output device
JPS55153998A (en) Voice output device
JPS55117199A (en) Voice output device
KR840002490U (ko) 전화 송수화기
ES488116A0 (es) Una instalacion telefonica de finalidades multiples
ES246552Y (es) Conmutador telefonico
MX151581A (es) Mejoras en una conexion telefonica
JPS5630199A (en) Voice output device
JPS5630200A (en) Voice output device
PT7320U (pt) Aparelho telefonico
IT7811869V0 (it) Porta gettone telefonico
ES251919Y (es) Telefono parlante de juguete