JPS5084112A - - Google Patents
Info
- Publication number
- JPS5084112A JPS5084112A JP49116811A JP11681174A JPS5084112A JP S5084112 A JPS5084112 A JP S5084112A JP 49116811 A JP49116811 A JP 49116811A JP 11681174 A JP11681174 A JP 11681174A JP S5084112 A JPS5084112 A JP S5084112A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US404873A US3870823A (en) | 1973-10-10 | 1973-10-10 | Telephone exchange metering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5084112A true JPS5084112A (ja) | 1975-07-07 |
Family
ID=23601389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49116811A Pending JPS5084112A (ja) | 1973-10-10 | 1974-10-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3870823A (ja) |
| JP (1) | JPS5084112A (ja) |
| CA (1) | CA1032256A (ja) |
| DE (1) | DE2448030A1 (ja) |
| FR (1) | FR2247861B1 (ja) |
| GB (1) | GB1486943A (ja) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5068004A (ja) * | 1973-10-16 | 1975-06-07 | ||
| US4066843A (en) * | 1975-03-28 | 1978-01-03 | Applied Data Research, Inc. | Telephone circuit monitoring system |
| US4022978A (en) * | 1975-11-14 | 1977-05-10 | Telesciences, Inc. | Event monitoring transceiver |
| IT1128782B (it) * | 1980-05-05 | 1986-06-04 | Cselt Centro Studi Lab Telecom | Dispositivo per l acquisizione di criteri telefonici da organi di centrali elettromeccaniche |
| US7822183B1 (en) * | 2005-09-14 | 2010-10-26 | Embarq Holdings Company Llc | Converting a toll calling area to an extended area service |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1457308A (fr) * | 1965-05-13 | 1966-01-24 | Système de transmission et d'enregistrement de taxation téléphonique | |
| NL139150B (nl) * | 1969-05-06 | 1973-06-15 | Nederlanden Staat | Bipolaire overdrager. |
| US3697695A (en) * | 1970-12-09 | 1972-10-10 | Uwe A Pommerening | Call metering for telephone exchange |
-
1973
- 1973-10-10 US US404873A patent/US3870823A/en not_active Expired - Lifetime
-
1974
- 1974-09-24 GB GB41520/74A patent/GB1486943A/en not_active Expired
- 1974-10-09 DE DE19742448030 patent/DE2448030A1/de active Pending
- 1974-10-09 JP JP49116811A patent/JPS5084112A/ja active Pending
- 1974-10-09 CA CA211,052A patent/CA1032256A/en not_active Expired
- 1974-10-09 FR FR7433969A patent/FR2247861B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1032256A (en) | 1978-05-30 |
| US3870823A (en) | 1975-03-11 |
| DE2448030A1 (de) | 1975-04-30 |
| FR2247861A1 (ja) | 1975-05-09 |
| GB1486943A (en) | 1977-09-28 |
| FR2247861B1 (ja) | 1978-05-05 |