GB1345080A - Apparatus for a signalling-and indicating installation - Google Patents

Apparatus for a signalling-and indicating installation

Info

Publication number
GB1345080A
GB1345080A GB80972A GB80972A GB1345080A GB 1345080 A GB1345080 A GB 1345080A GB 80972 A GB80972 A GB 80972A GB 80972 A GB80972 A GB 80972A GB 1345080 A GB1345080 A GB 1345080A
Authority
GB
United Kingdom
Prior art keywords
wires
address
lamp
room
control
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
Application number
GB80972A
Other languages
English (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 GB1345080A publication Critical patent/GB1345080A/en
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)
GB80972A 1971-01-11 1972-01-07 Apparatus for a signalling-and indicating installation Expired GB1345080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH34471A CH534402A (de) 1971-01-11 1971-01-11 Einrichtung für eine Signalisations- und Meldeanlage

Publications (1)

Publication Number Publication Date
GB1345080A true GB1345080A (en) 1974-01-30

Family

ID=4184870

Family Applications (1)

Application Number Title Priority Date Filing Date
GB80972A Expired GB1345080A (en) 1971-01-11 1972-01-07 Apparatus for a signalling-and indicating installation

Country Status (8)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2458865A1 (fr) * 1979-06-06 1981-01-02 Equipar Sa Elements de panneau lumineux et panneau utilisant de tels elements
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 (de) * 1967-01-12 1970-05-14 Comp Generale Electricite Vorrichtung zur Fernsteuerung einer Einrichtung mit mehreren elektrischen Geraeten
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
FR2121710A1 (enExample) 1972-08-25
DE2165308A1 (de) 1972-07-27
AU3778172A (en) 1973-07-12
SE7200171L (enExample) 1972-07-12
CA954451A (en) 1974-09-10
US3754227A (en) 1973-08-21
FR2121710B1 (enExample) 1977-04-01
CH534402A (de) 1973-02-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLE Entries relating assignments, transmissions, licences in the register of patents
PLNP Patent lapsed through nonpayment of renewal fees