AU6686774A - Electrical signalling system - Google Patents
Electrical signalling systemInfo
- Publication number
- AU6686774A AU6686774A AU66867/74A AU6686774A AU6686774A AU 6686774 A AU6686774 A AU 6686774A AU 66867/74 A AU66867/74 A AU 66867/74A AU 6686774 A AU6686774 A AU 6686774A AU 6686774 A AU6686774 A AU 6686774A
- Authority
- AU
- Australia
- Prior art keywords
- signalling system
- electrical signalling
- electrical
- signalling
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- 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
- G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
- G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/30—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels
- G08C19/34—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels of a combination of conductors or channels
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1430273 | 1973-03-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU6686774A true AU6686774A (en) | 1975-09-25 |
Family
ID=10038726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU66867/74A Expired AU6686774A (en) | 1973-03-24 | 1974-03-20 | Electrical signalling system |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS49129552A (es) |
AR (1) | AR199831A1 (es) |
AU (1) | AU6686774A (es) |
BE (1) | BE812652A (es) |
BR (1) | BR7402280D0 (es) |
DE (1) | DE2413503A1 (es) |
ES (1) | ES424536A1 (es) |
FR (1) | FR2323982A1 (es) |
IT (1) | IT1003881B (es) |
NL (1) | NL7403508A (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5368891U (es) * | 1976-11-09 | 1978-06-09 |
-
1974
- 1974-03-15 NL NL7403508A patent/NL7403508A/xx unknown
- 1974-03-20 DE DE19742413503 patent/DE2413503A1/de active Pending
- 1974-03-20 AU AU66867/74A patent/AU6686774A/en not_active Expired
- 1974-03-21 BE BE142296A patent/BE812652A/xx unknown
- 1974-03-22 AR AR25292274A patent/AR199831A1/es active
- 1974-03-22 ES ES424536A patent/ES424536A1/es not_active Expired
- 1974-03-22 FR FR7409910A patent/FR2323982A1/fr not_active Withdrawn
- 1974-03-22 BR BR228074A patent/BR7402280D0/pt unknown
- 1974-03-23 JP JP49033074A patent/JPS49129552A/ja active Pending
- 1974-03-25 IT IT4962774A patent/IT1003881B/it active
Also Published As
Publication number | Publication date |
---|---|
IT1003881B (it) | 1976-06-10 |
JPS49129552A (es) | 1974-12-11 |
BE812652A (fr) | 1974-09-23 |
NL7403508A (es) | 1974-09-26 |
BR7402280D0 (pt) | 1974-12-03 |
DE2413503A1 (de) | 1974-11-14 |
FR2323982A1 (fr) | 1977-04-08 |
ES424536A1 (es) | 1976-06-01 |
AR199831A1 (es) | 1974-09-30 |
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