EP0325433A3 - Wireless transmission-reception control system - Google Patents
Wireless transmission-reception control system Download PDFInfo
- Publication number
- EP0325433A3 EP0325433A3 EP19890300457 EP89300457A EP0325433A3 EP 0325433 A3 EP0325433 A3 EP 0325433A3 EP 19890300457 EP19890300457 EP 19890300457 EP 89300457 A EP89300457 A EP 89300457A EP 0325433 A3 EP0325433 A3 EP 0325433A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- control system
- reception control
- wireless transmission
- wireless
- code
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/007—Details of data content structure of message packets; data protocols
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1178688 | 1988-01-21 | ||
JP11786/88 | 1988-01-21 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0325433A2 EP0325433A2 (en) | 1989-07-26 |
EP0325433A3 true EP0325433A3 (en) | 1991-06-12 |
EP0325433B1 EP0325433B1 (en) | 1996-09-11 |
Family
ID=11787616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89300457A Expired - Lifetime EP0325433B1 (en) | 1988-01-21 | 1989-01-18 | Wireless transmission-reception control system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0325433B1 (en) |
DE (1) | DE68927117T2 (en) |
HK (1) | HK1007616A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2292627A (en) * | 1994-08-23 | 1996-02-28 | Niagara Holdings Limited | Security systems |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985001980A1 (en) * | 1983-11-01 | 1985-05-09 | Universal Photonics, Inc. | Apparatus and method for a universal electronic locking system |
GB2186404A (en) * | 1986-02-06 | 1987-08-12 | Notifier Co | Security system with signal accuracy checking |
US4855713A (en) * | 1988-10-07 | 1989-08-08 | Interactive Technologies, Inc. | Learn mode transmitter |
-
1989
- 1989-01-18 EP EP89300457A patent/EP0325433B1/en not_active Expired - Lifetime
- 1989-01-18 DE DE68927117T patent/DE68927117T2/en not_active Expired - Fee Related
-
1998
- 1998-06-25 HK HK98106649A patent/HK1007616A1/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1985001980A1 (en) * | 1983-11-01 | 1985-05-09 | Universal Photonics, Inc. | Apparatus and method for a universal electronic locking system |
GB2186404A (en) * | 1986-02-06 | 1987-08-12 | Notifier Co | Security system with signal accuracy checking |
US4855713A (en) * | 1988-10-07 | 1989-08-08 | Interactive Technologies, Inc. | Learn mode transmitter |
Also Published As
Publication number | Publication date |
---|---|
HK1007616A1 (en) | 1999-04-16 |
DE68927117T2 (en) | 1997-04-03 |
EP0325433A2 (en) | 1989-07-26 |
EP0325433B1 (en) | 1996-09-11 |
DE68927117D1 (en) | 1996-10-17 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
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