BE552484A - - Google Patents

Info

Publication number
BE552484A
BE552484A BE552484DA BE552484A BE 552484 A BE552484 A BE 552484A BE 552484D A BE552484D A BE 552484DA BE 552484 A BE552484 A BE 552484A
Authority
BE
Belgium
Prior art keywords
receiver according
portable receiver
signal
call signal
fixed frequency
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE552484A publication Critical patent/BE552484A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/222—Personal calling arrangements or devices, i.e. paging systems
    • G08B5/223—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B5/224—Paging receivers with visible signalling details
    • G08B5/225—Display details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B6/00—Tactile signalling systems, e.g. tactile personal calling systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
BE552484D BE552484A (de)

Publications (1)

Publication Number Publication Date
BE552484A true BE552484A (de)

Family

ID=177647

Family Applications (1)

Application Number Title Priority Date Filing Date
BE552484D BE552484A (de)

Country Status (1)

Country Link
BE (1) BE552484A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001780A1 (en) * 1980-11-14 1982-05-27 Lander David R Means for assisting in locating an object
FR2723809A1 (fr) * 1994-06-23 1996-02-23 Motorola Inc Dispositif de communication sans fil concu pour generer une multiplicite de structures d'alerte tactile distinctives

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001780A1 (en) * 1980-11-14 1982-05-27 Lander David R Means for assisting in locating an object
FR2723809A1 (fr) * 1994-06-23 1996-02-23 Motorola Inc Dispositif de communication sans fil concu pour generer une multiplicite de structures d'alerte tactile distinctives
US6160489A (en) * 1994-06-23 2000-12-12 Motorola, Inc. Wireless communication device adapted to generate a plurality of distinctive tactile alert patterns

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