NL7215700A - - Google Patents
Info
- Publication number
- NL7215700A NL7215700A NL7215700A NL7215700A NL7215700A NL 7215700 A NL7215700 A NL 7215700A NL 7215700 A NL7215700 A NL 7215700A NL 7215700 A NL7215700 A NL 7215700A NL 7215700 A NL7215700 A NL 7215700A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3144071A IT946083B (it) | 1971-11-22 | 1971-11-22 | Sistema di telesorveglianza uti lizzante la rete telefonica urbania per la trasmissione delle informazioni |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7215700A true NL7215700A (https=) | 1973-05-24 |
Family
ID=11233633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7215700A NL7215700A (https=) | 1971-11-22 | 1972-11-20 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE789388A (https=) |
| DE (1) | DE2255213A1 (https=) |
| FR (1) | FR2160793B1 (https=) |
| GB (1) | GB1385408A (https=) |
| IT (1) | IT946083B (https=) |
| NL (1) | NL7215700A (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1601941A (en) * | 1977-03-04 | 1981-11-04 | Post Office | System for transmitting alarm information over telephone lines |
| GB2119981B (en) * | 1982-01-07 | 1985-08-07 | Morrison John M | Alarm systems |
| DE3321416C2 (de) * | 1983-06-14 | 1985-07-04 | ANT Nachrichtentechnik GmbH, 7150 Backnang | System zur Übermittlung von Notrufen |
| DE3324516A1 (de) * | 1983-06-14 | 1985-01-17 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Notrufsystem |
| DE3321417C2 (de) * | 1983-06-14 | 1985-07-04 | ANT Nachrichtentechnik GmbH, 7150 Backnang | System zur Übermittlung von Notrufen |
| DE3324515A1 (de) * | 1983-06-14 | 1985-01-17 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Notrufsystem |
| ES2131030B1 (es) * | 1997-11-28 | 2000-03-01 | Telefonica Sa | Dispositivo de control de sistemas de radio. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6617451A (https=) * | 1966-12-12 | 1968-06-13 | ||
| CH473433A (de) * | 1967-04-04 | 1969-05-31 | Securitas Ag Schweiz Bewachung | Tonfrequente Alarmübermittlungsanlage |
-
0
- BE BE789388D patent/BE789388A/xx unknown
-
1971
- 1971-11-22 IT IT3144071A patent/IT946083B/it active
-
1972
- 1972-04-12 FR FR7212781A patent/FR2160793B1/fr not_active Expired
- 1972-07-25 GB GB3477972A patent/GB1385408A/en not_active Expired
- 1972-11-10 DE DE19722255213 patent/DE2255213A1/de active Pending
- 1972-11-20 NL NL7215700A patent/NL7215700A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2160793A1 (https=) | 1973-07-06 |
| IT946083B (it) | 1973-05-21 |
| GB1385408A (en) | 1975-02-26 |
| FR2160793B1 (https=) | 1975-06-13 |
| DE2255213A1 (de) | 1973-06-14 |
| BE789388A (fr) | 1973-01-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BV | The patent application has lapsed |