LU82745A1 - Vorrichtung zum rufen von personal,insbesondere in gaststaetten - Google Patents

Vorrichtung zum rufen von personal,insbesondere in gaststaetten Download PDF

Info

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
Application number
LU82745A
Other languages
German (de)
English (en)
Inventor
L Oswald
Original Assignee
L Oswald
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19803025495 external-priority patent/DE3025495A1/de
Application filed by L Oswald filed Critical L Oswald
Publication of LU82745A1 publication Critical patent/LU82745A1/de

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)
  • Burglar Alarm Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
LU82745A 1980-07-04 1980-09-03 Vorrichtung zum rufen von personal,insbesondere in gaststaetten LU82745A1 (de)

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 (enExample)
DK (1) DK382780A (enExample)
FR (1) FR2486275A1 (enExample)
GB (1) GB2080001B (enExample)
LU (1) LU82745A1 (enExample)
NL (1) NL8004992A (enExample)
NO (1) NO802577L (enExample)
PT (1) PT71781B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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 (en) * 2003-02-19 2004-09-02 Peter Dudley Dexter A restaurant service management system
US8797211B2 (en) 2011-02-10 2014-08-05 International Business Machines Corporation Millimeter-wave communications using a reflector
CN103890667B (zh) 2011-10-21 2017-02-15 谷歌公司 用户友好、网络连接的学习型恒温器及相关系统和方法

Also Published As

Publication number Publication date
NO802577L (no) 1982-01-05
NL8004992A (nl) 1982-02-01
PT71781A (de) 1980-10-01
DK382780A (da) 1982-01-05
FR2486275A1 (fr) 1982-01-08
PT71781B (de) 1981-07-29
BE885363A (nl) 1981-01-16
GB2080001B (en) 1984-03-07
FR2486275B3 (enExample) 1983-07-18
GB2080001A (en) 1982-01-27

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