DK47281A - EMERGENCY CALL SYSTEM - Google Patents
EMERGENCY CALL SYSTEMInfo
- Publication number
- DK47281A DK47281A DK47281A DK47281A DK47281A DK 47281 A DK47281 A DK 47281A DK 47281 A DK47281 A DK 47281A DK 47281 A DK47281 A DK 47281A DK 47281 A DK47281 A DK 47281A
- Authority
- DK
- Denmark
- Prior art keywords
- emergency call
- call system
- emergency
- call
- Prior art date
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)
- Telephonic Communication Services (AREA)
- Detergent Compositions (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3003935 | 1980-02-04 | ||
DE3003944 | 1980-02-04 | ||
DE19803003935 DE3003935C2 (en) | 1980-02-04 | 1980-02-04 | Emergency call system |
DE19803003944 DE3003944C2 (en) | 1980-02-04 | 1980-02-04 | Emergency call system |
Publications (3)
Publication Number | Publication Date |
---|---|
DK47281A true DK47281A (en) | 1981-08-05 |
DK155266B DK155266B (en) | 1989-03-13 |
DK155266C DK155266C (en) | 1989-07-24 |
Family
ID=25783533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK047281A DK155266C (en) | 1980-02-04 | 1981-02-03 | EMERGENCY CALL SYSTEM |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0033758B1 (en) |
BR (1) | BR8100638A (en) |
DK (1) | DK155266C (en) |
FI (1) | FI810301L (en) |
NO (1) | NO153028C (en) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1202347B (en) * | 1964-02-19 | 1965-10-07 | Tekade Fernmeldeapp Ges Mit Be | Circuit arrangement for evaluating emergency calls on telephone lines |
US3441681A (en) * | 1965-10-22 | 1969-04-29 | Bell Telephone Labor Inc | Telephone line concentrator priority call system |
GB1409873A (en) * | 1971-09-17 | 1975-10-15 | Belling & Lee Ltd | Alarm signals |
BE797669A (en) * | 1973-04-02 | 1973-07-31 | Verriest Albert | TELE-SURVEILLANCE SYSTEM |
DE2523884A1 (en) * | 1975-05-30 | 1976-12-09 | Siemens Ag | Distributor for calls waiting at telephone exchange - prevents loss of high priority call when call registers are blocked with low priority calls |
SE416593B (en) * | 1978-02-10 | 1981-01-19 | Ericsson Telefon Ab L M | ALARM SYSTEM INCLUDING A NUMBER OF SUBSCRIBER DEVICES |
FR2417813A1 (en) * | 1978-02-17 | 1979-09-14 | Beaufils Alain | Telephone network data transmission system - is used for burglary detection using previously memorised alphanumeric characters to identify place where burglary takes place |
DE2810875C2 (en) * | 1978-03-13 | 1982-11-18 | Berliner Bank Ag, 1000 Berlin | Remote alarm system |
DE2837575B2 (en) * | 1978-08-29 | 1981-07-23 | Stubbe electronic Paul K. Stubbe GmbH & Co, 6000 Frankfurt | Method and device for producing an emergency call device |
NL178633C (en) * | 1979-06-27 | 1986-04-16 | Siemens Nederland | COMMUNICATION SYSTEM FOR MONITORING A NUMBER OF SUB-ITEMS FROM A MAIN POST AND THROUGH A TRANSMISSION CHANNEL. |
-
1980
- 1980-09-15 EP EP80105522A patent/EP0033758B1/en not_active Expired
-
1981
- 1981-02-03 DK DK047281A patent/DK155266C/en not_active IP Right Cessation
- 1981-02-03 NO NO810359A patent/NO153028C/en unknown
- 1981-02-03 FI FI810301A patent/FI810301L/en not_active Application Discontinuation
- 1981-02-03 BR BR8100638A patent/BR8100638A/en unknown
Also Published As
Publication number | Publication date |
---|---|
NO153028B (en) | 1985-09-23 |
BR8100638A (en) | 1981-08-18 |
EP0033758B1 (en) | 1984-12-12 |
EP0033758A1 (en) | 1981-08-19 |
DK155266B (en) | 1989-03-13 |
DK155266C (en) | 1989-07-24 |
NO810359L (en) | 1981-08-05 |
FI810301L (en) | 1981-08-05 |
NO153028C (en) | 1986-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |