FR2121710B1 - - Google Patents

Info

Publication number
FR2121710B1
FR2121710B1 FR7200644A FR7200644A FR2121710B1 FR 2121710 B1 FR2121710 B1 FR 2121710B1 FR 7200644 A FR7200644 A FR 7200644A FR 7200644 A FR7200644 A FR 7200644A FR 2121710 B1 FR2121710 B1 FR 2121710B1
Authority
FR
France
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
Application number
FR7200644A
Other languages
French (fr)
Other versions
FR2121710A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of FR2121710A1 publication Critical patent/FR2121710A1/fr
Application granted granted Critical
Publication of FR2121710B1 publication Critical patent/FR2121710B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • 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)
  • Electromagnetism (AREA)
  • Selective Calling Equipment (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
FR7200644A 1971-01-11 1972-01-10 Expired FR2121710B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH34471A CH534402A (en) 1971-01-11 1971-01-11 Equipment for a signaling and reporting system

Publications (2)

Publication Number Publication Date
FR2121710A1 FR2121710A1 (en) 1972-08-25
FR2121710B1 true FR2121710B1 (en) 1977-04-01

Family

ID=4184870

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7200644A Expired FR2121710B1 (en) 1971-01-11 1972-01-10

Country Status (8)

Country Link
US (1) US3754227A (en)
AU (1) AU3778172A (en)
CA (1) CA954451A (en)
CH (1) CH534402A (en)
DE (1) DE2165308A1 (en)
FR (1) FR2121710B1 (en)
GB (1) GB1345080A (en)
SE (1) SE7200171L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458865A1 (en) * 1979-06-06 1981-01-02 Equipar Sa Modular display panel for changing graphic display - uses plug-in lamp units with control circuit responsive to two control signals, and has filament lamps or LEDs
US5476221A (en) * 1994-01-28 1995-12-19 Seymour; Richard L. Easy-to-install thermostatic control system based on room occupancy
US6978565B1 (en) 2001-11-19 2005-12-27 Tom Tollius Device and method for communication with housekeeping services
US7523046B2 (en) * 2002-07-26 2009-04-21 Cartmanager, Llc Communication system for managing hotel operations

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215998A (en) * 1960-05-05 1965-11-02 Webster Electric Co Inc Plural central and remote station signalling and intercommunication system
US3147385A (en) * 1963-04-10 1964-09-01 Clare N Burgis Cascaded relay channel selecting system
US3228020A (en) * 1963-09-19 1966-01-04 Gassenheimer Irvin Room status indicating system
DE1588094A1 (en) * 1967-01-12 1970-05-14 Comp Generale Electricite Device for remote control of a facility with several electrical devices
US3631536A (en) * 1968-06-10 1971-12-28 John A Mosman Register system memory modules
US3594774A (en) * 1968-12-31 1971-07-20 Herman L Dawson Plural module circuit signaling system
US3588868A (en) * 1969-02-27 1971-06-28 Electro Tech Appliance Service Status signalling system
US3675204A (en) * 1970-05-04 1972-07-04 Varian Associates Status system

Also Published As

Publication number Publication date
CA954451A (en) 1974-09-10
GB1345080A (en) 1974-01-30
US3754227A (en) 1973-08-21
FR2121710A1 (en) 1972-08-25
DE2165308A1 (en) 1972-07-27
AU3778172A (en) 1973-07-12
CH534402A (en) 1973-02-28
SE7200171L (en) 1972-07-12

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse