GB2026746B - Transmission systems - Google Patents

Transmission systems

Info

Publication number
GB2026746B
GB2026746B GB7925976A GB7925976A GB2026746B GB 2026746 B GB2026746 B GB 2026746B GB 7925976 A GB7925976 A GB 7925976A GB 7925976 A GB7925976 A GB 7925976A GB 2026746 B GB2026746 B GB 2026746B
Authority
GB
United Kingdom
Prior art keywords
transmission systems
systems
transmission
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
GB7925976A
Other versions
GB2026746A (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.)
POCOCK S
Original Assignee
POCOCK S
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 POCOCK S filed Critical POCOCK S
Publication of GB2026746A publication Critical patent/GB2026746A/en
Application granted granted Critical
Publication of GB2026746B publication Critical patent/GB2026746B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Transmitters (AREA)
GB7925976A 1978-07-25 1979-07-25 Transmission systems Expired GB2026746B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7830977 1978-07-25

Publications (2)

Publication Number Publication Date
GB2026746A GB2026746A (en) 1980-02-06
GB2026746B true GB2026746B (en) 1982-09-08

Family

ID=10498639

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7925976A Expired GB2026746B (en) 1978-07-25 1979-07-25 Transmission systems

Country Status (1)

Country Link
GB (1) GB2026746B (en)

Also Published As

Publication number Publication date
GB2026746A (en) 1980-02-06

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee