AR222702A1 - Dispositivo mecanico limitador de la duracion de una conversacion telefonica - Google Patents
Dispositivo mecanico limitador de la duracion de una conversacion telefonicaInfo
- Publication number
- AR222702A1 AR222702A1 AR280742A AR28074280A AR222702A1 AR 222702 A1 AR222702 A1 AR 222702A1 AR 280742 A AR280742 A AR 280742A AR 28074280 A AR28074280 A AR 28074280A AR 222702 A1 AR222702 A1 AR 222702A1
- Authority
- AR
- Argentina
- Prior art keywords
- duration
- mechanical device
- telephone conversation
- device limiting
- limiting
- Prior art date
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
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)
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 |
---|---|
AR222702A1 true AR222702A1 (es) | 1981-06-15 |
Family
ID=11191634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR280742A AR222702A1 (es) | 1979-04-24 | 1980-04-18 | Dispositivo mecanico limitador de la duracion de una conversacion telefonica |
Country Status (13)
Country | Link |
---|---|
US (1) | US4335279A (ja) |
EP (1) | EP0017984B1 (ja) |
JP (1) | JPS55143868A (ja) |
AR (1) | AR222702A1 (ja) |
AT (1) | ATE6823T1 (ja) |
BR (1) | BR8002483A (ja) |
CA (1) | CA1137241A (ja) |
DE (1) | DE3067093D1 (ja) |
ES (1) | ES490530A0 (ja) |
GR (1) | GR67693B (ja) |
IT (1) | IT1112715B (ja) |
MX (1) | MX147600A (ja) |
NO (1) | NO801166L (ja) |
Families Citing this family (7)
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)
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 |
-
1979
- 1979-04-24 IT IT22110/79A patent/IT1112715B/it active
-
1980
- 1980-04-12 ES ES490530A patent/ES490530A0/es active Granted
- 1980-04-14 GR GR61684A patent/GR67693B/el unknown
- 1980-04-15 CA CA000349903A patent/CA1137241A/en not_active Expired
- 1980-04-17 AT AT80102056T patent/ATE6823T1/de not_active IP Right Cessation
- 1980-04-17 EP EP80102056A patent/EP0017984B1/en not_active Expired
- 1980-04-17 DE DE8080102056T patent/DE3067093D1/de not_active Expired
- 1980-04-18 AR AR280742A patent/AR222702A1/es active
- 1980-04-18 US US06/141,745 patent/US4335279A/en not_active Expired - Lifetime
- 1980-04-21 MX MX182036A patent/MX147600A/es unknown
- 1980-04-22 NO NO801166A patent/NO801166L/no unknown
- 1980-04-23 BR BR8002483A patent/BR8002483A/pt unknown
- 1980-04-24 JP JP5530780A patent/JPS55143868A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
IT7922110A0 (it) | 1979-04-24 |
DE3067093D1 (en) | 1984-04-26 |
BR8002483A (pt) | 1981-08-04 |
ATE6823T1 (de) | 1984-04-15 |
EP0017984A1 (en) | 1980-10-29 |
NO801166L (no) | 1980-10-27 |
EP0017984B1 (en) | 1984-03-21 |
CA1137241A (en) | 1982-12-07 |
GR67693B (ja) | 1981-09-07 |
ES8103627A1 (es) | 1981-03-16 |
US4335279A (en) | 1982-06-15 |
ES490530A0 (es) | 1981-03-16 |
IT1112715B (it) | 1986-01-20 |
MX147600A (es) | 1982-12-17 |
JPS55143868A (en) | 1980-11-10 |
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