LU82745A1 - Vorrichtung zum rufen von personal,insbesondere in gaststaetten - Google Patents
Vorrichtung zum rufen von personal,insbesondere in gaststaetten Download PDFInfo
- Publication number
- LU82745A1 LU82745A1 LU82745A LU82745A LU82745A1 LU 82745 A1 LU82745 A1 LU 82745A1 LU 82745 A LU82745 A LU 82745A LU 82745 A LU82745 A LU 82745A LU 82745 A1 LU82745 A1 LU 82745A1
- Authority
- LU
- Luxembourg
- Prior art keywords
- call
- signal
- call transmitter
- receiving device
- transmitter
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
- G08B7/068—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources calling personnel in a restaurant, e.g. waiter call
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
- G08B1/08—Systems for signalling characterised solely by the form of transmission of the signal using electric transmission ; transformation of alarm signals to electrical signals from a different medium, e.g. transmission of an electric alarm signal upon detection of an audible alarm signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/1149—Arrangements for indoor wireless networking of information
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computing Systems (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Audible And Visible Signals (AREA)
- Selective Calling Equipment (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3025495 | 1980-07-04 | ||
DE19803025495 DE3025495A1 (de) | 1979-07-04 | 1980-07-04 | Vorrichtung zum rufen von personal, insbes. in gaststaetten |
Publications (1)
Publication Number | Publication Date |
---|---|
LU82745A1 true LU82745A1 (de) | 1980-12-15 |
Family
ID=6106469
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
LU82745A LU82745A1 (de) | 1980-07-04 | 1980-09-03 | Vorrichtung zum rufen von personal,insbesondere in gaststaetten |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE885363A (fr) |
DK (1) | DK382780A (fr) |
FR (1) | FR2486275A1 (fr) |
GB (1) | GB2080001B (fr) |
LU (1) | LU82745A1 (fr) |
NL (1) | NL8004992A (fr) |
NO (1) | NO802577L (fr) |
PT (1) | PT71781B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4777488A (en) * | 1986-05-16 | 1988-10-11 | Cw Products, Inc. | Restaurant service request communications system |
GB8701202D0 (en) * | 1987-01-20 | 1987-02-25 | Wakefield Health Authority | Infra-red personal attack alarm system |
JPH0556937A (ja) * | 1991-09-03 | 1993-03-09 | Fukuda Denshi Co Ltd | 患者監視装置 |
GB2306724A (en) * | 1995-11-01 | 1997-05-07 | Visual Image Signs Ltd | Communication system |
FR2769729B1 (fr) * | 1997-10-15 | 1999-12-10 | Sodexho Alliance | Procede de gestion d'articles, notamment pour magasin de grande surface et restauration collective et systeme pour la mise en oeuvre de ce procede |
GB2339942A (en) * | 1998-07-21 | 2000-02-09 | Slane Paul Codner | Calling apparatus eg for restaurant |
GB2344443A (en) * | 1998-12-04 | 2000-06-07 | Aleksandar Tomic | Waiter call system |
ES2155779B1 (es) * | 1999-05-05 | 2001-12-01 | Carlos Vizcarra | Llamador de mesa. |
ES2219165B1 (es) * | 2003-01-14 | 2005-10-16 | Antonio Berruezo Martinez | Sistema para avisar al camarero via radio en establecimientos de restauracion. |
WO2004075133A2 (fr) * | 2003-02-19 | 2004-09-02 | Peter Dudley Dexter | Systeme de gestion du service dans un restaurant |
US8797211B2 (en) | 2011-02-10 | 2014-08-05 | International Business Machines Corporation | Millimeter-wave communications using a reflector |
CA3044757C (fr) | 2011-10-21 | 2021-11-09 | Google Llc | Thermostat a apprentissage convivial relie au reseau, et systemes et procedes associes |
-
1980
- 1980-09-02 NO NO802577A patent/NO802577L/no unknown
- 1980-09-03 LU LU82745A patent/LU82745A1/de unknown
- 1980-09-03 NL NL8004992A patent/NL8004992A/nl not_active Application Discontinuation
- 1980-09-05 GB GB8028825A patent/GB2080001B/en not_active Expired
- 1980-09-08 PT PT71781A patent/PT71781B/pt unknown
- 1980-09-09 DK DK382780A patent/DK382780A/da unknown
- 1980-09-19 FR FR8020232A patent/FR2486275A1/fr active Granted
- 1980-09-24 BE BE0/202205A patent/BE885363A/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2486275A1 (fr) | 1982-01-08 |
DK382780A (da) | 1982-01-05 |
FR2486275B3 (fr) | 1983-07-18 |
NO802577L (no) | 1982-01-05 |
BE885363A (nl) | 1981-01-16 |
NL8004992A (nl) | 1982-02-01 |
GB2080001B (en) | 1984-03-07 |
GB2080001A (en) | 1982-01-27 |
PT71781B (de) | 1981-07-29 |
PT71781A (de) | 1980-10-01 |
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