SE7803437L - PROCEDURE THAT IN THE INSTALLATION OF A UNIT'S UNITS ARE CONNECTED BY MEANS OF A COMMUNICATION LINE FOR INFORMATION SIGNALS, CONTINUOUSLY MONITOR THE CONDITION OF THOSE CONNECTED TO THE COMMUNICATION LINE ... - Google Patents
PROCEDURE THAT IN THE INSTALLATION OF A UNIT'S UNITS ARE CONNECTED BY MEANS OF A COMMUNICATION LINE FOR INFORMATION SIGNALS, CONTINUOUSLY MONITOR THE CONDITION OF THOSE CONNECTED TO THE COMMUNICATION LINE ...Info
- Publication number
- SE7803437L SE7803437L SE7803437A SE7803437A SE7803437L SE 7803437 L SE7803437 L SE 7803437L SE 7803437 A SE7803437 A SE 7803437A SE 7803437 A SE7803437 A SE 7803437A SE 7803437 L SE7803437 L SE 7803437L
- Authority
- SE
- Sweden
- Prior art keywords
- communication line
- procedure
- units
- installation
- condition
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
- G08B29/08—Signalling of tampering with the line circuit
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
- G08B26/006—Alarm systems in which substations are interrogated in succession by a central station with substations connected to an individual line, e.g. star configuration
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7803437A SE7803437L (en) | 1978-03-28 | 1978-03-28 | PROCEDURE THAT IN THE INSTALLATION OF A UNIT'S UNITS ARE CONNECTED BY MEANS OF A COMMUNICATION LINE FOR INFORMATION SIGNALS, CONTINUOUSLY MONITOR THE CONDITION OF THOSE CONNECTED TO THE COMMUNICATION LINE ... |
PCT/SE1979/000068 WO1979000844A1 (en) | 1978-03-28 | 1979-03-28 | An arrangement for security systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7803437A SE7803437L (en) | 1978-03-28 | 1978-03-28 | PROCEDURE THAT IN THE INSTALLATION OF A UNIT'S UNITS ARE CONNECTED BY MEANS OF A COMMUNICATION LINE FOR INFORMATION SIGNALS, CONTINUOUSLY MONITOR THE CONDITION OF THOSE CONNECTED TO THE COMMUNICATION LINE ... |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7803437L true SE7803437L (en) | 1979-09-29 |
Family
ID=20334417
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7803437A SE7803437L (en) | 1978-03-28 | 1978-03-28 | PROCEDURE THAT IN THE INSTALLATION OF A UNIT'S UNITS ARE CONNECTED BY MEANS OF A COMMUNICATION LINE FOR INFORMATION SIGNALS, CONTINUOUSLY MONITOR THE CONDITION OF THOSE CONNECTED TO THE COMMUNICATION LINE ... |
Country Status (2)
Country | Link |
---|---|
SE (1) | SE7803437L (en) |
WO (1) | WO1979000844A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2651938B1 (en) * | 1989-09-12 | 1991-11-08 | Santerne Sa | PROCESS FOR MONITORING THE CONDITION OF AT LEAST ONE MEANS OF DETECTION, MEANS FOR THE IMPLEMENTATION OF THIS METHOD AND MONITORING INSTALLATION PROVIDED WITH SUCH MEANS. |
DE4141035C1 (en) * | 1991-12-12 | 1992-12-17 | Schaaf, Norbert, 6200 Wiesbaden, De | |
DE102008003799B4 (en) * | 2008-01-10 | 2021-06-10 | Robert Bosch Gmbh | Monitoring device for a reporting system, reporting system and method for monitoring the reporting system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE329358B (en) * | 1970-01-08 | 1970-10-05 | Ericsson Telefon Ab L M | |
US4044351A (en) * | 1974-06-24 | 1977-08-23 | Walter Kidde & Company, Inc. | System monitor with innate line security ability |
FR2324172A1 (en) * | 1975-09-15 | 1977-04-08 | Gautier Gerard | ANTI-FRAUDULENT PROTECTION DEVICE FOR TELEPHONE LINE OPERATED IN ALARM TRANSMISSION |
-
1978
- 1978-03-28 SE SE7803437A patent/SE7803437L/en unknown
-
1979
- 1979-03-28 WO PCT/SE1979/000068 patent/WO1979000844A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO1979000844A1 (en) | 1979-11-01 |
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