GB2178268B - Communications systems - Google Patents

Communications systems

Info

Publication number
GB2178268B
GB2178268B GB08518426A GB8518426A GB2178268B GB 2178268 B GB2178268 B GB 2178268B GB 08518426 A GB08518426 A GB 08518426A GB 8518426 A GB8518426 A GB 8518426A GB 2178268 B GB2178268 B GB 2178268B
Authority
GB
United Kingdom
Prior art keywords
communications systems
communications
systems
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
GB08518426A
Other versions
GB8518426D0 (en
GB2178268A (en
Inventor
Christopher Anthony Aldridge
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.)
Multitone Electronics PLC
Original Assignee
Multitone Electronics PLC
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 Multitone Electronics PLC filed Critical Multitone Electronics PLC
Priority to GB08518426A priority Critical patent/GB2178268B/en
Publication of GB8518426D0 publication Critical patent/GB8518426D0/en
Publication of GB2178268A publication Critical patent/GB2178268A/en
Application granted granted Critical
Publication of GB2178268B publication Critical patent/GB2178268B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
    • G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
    • G08B3/1075—Paging racks
    • 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
    • G08B5/222—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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Mobile Radio Communication Systems (AREA)
GB08518426A 1985-07-22 1985-07-22 Communications systems Expired GB2178268B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08518426A GB2178268B (en) 1985-07-22 1985-07-22 Communications systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08518426A GB2178268B (en) 1985-07-22 1985-07-22 Communications systems

Publications (3)

Publication Number Publication Date
GB8518426D0 GB8518426D0 (en) 1985-08-29
GB2178268A GB2178268A (en) 1987-02-04
GB2178268B true GB2178268B (en) 1989-02-01

Family

ID=10582647

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08518426A Expired GB2178268B (en) 1985-07-22 1985-07-22 Communications systems

Country Status (1)

Country Link
GB (1) GB2178268B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853688A (en) * 1987-10-20 1989-08-01 Telefind Corp. Paging receiver displaying place of origin of pages
US4878051A (en) * 1988-02-22 1989-10-31 Telefind Corp. Paging system with commands for changing functionality of a paging receiver

Also Published As

Publication number Publication date
GB8518426D0 (en) 1985-08-29
GB2178268A (en) 1987-02-04

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20050721