GB2087691B - Electrical signal transmission - Google Patents

Electrical signal transmission

Info

Publication number
GB2087691B
GB2087691B GB8132457A GB8132457A GB2087691B GB 2087691 B GB2087691 B GB 2087691B GB 8132457 A GB8132457 A GB 8132457A GB 8132457 A GB8132457 A GB 8132457A GB 2087691 B GB2087691 B GB 2087691B
Authority
GB
United Kingdom
Prior art keywords
electrical signal
signal transmission
electrical
transmission
signal
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
GB8132457A
Other versions
GB2087691A (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.)
ASSYDES Ltd
Original Assignee
ASSYDES Ltd
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 ASSYDES Ltd filed Critical ASSYDES Ltd
Priority to GB8132457A priority Critical patent/GB2087691B/en
Publication of GB2087691A publication Critical patent/GB2087691A/en
Application granted granted Critical
Publication of GB2087691B publication Critical patent/GB2087691B/en
Expired legal-status Critical Current

Links

Classifications

    • H04B5/73—
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0407—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis
    • G08B21/0415—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons based on behaviour analysis detecting absence of activity per se

Landscapes

  • Health & Medical Sciences (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Social Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
GB8132457A 1980-10-28 1981-10-28 Electrical signal transmission Expired GB2087691B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8132457A GB2087691B (en) 1980-10-28 1981-10-28 Electrical signal transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8034640 1980-10-28
GB8132457A GB2087691B (en) 1980-10-28 1981-10-28 Electrical signal transmission

Publications (2)

Publication Number Publication Date
GB2087691A GB2087691A (en) 1982-05-26
GB2087691B true GB2087691B (en) 1984-10-10

Family

ID=26277340

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8132457A Expired GB2087691B (en) 1980-10-28 1981-10-28 Electrical signal transmission

Country Status (1)

Country Link
GB (1) GB2087691B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8926505D0 (en) * 1989-11-23 1990-01-10 Woodbridge Marketing Limited Method and apparatus for transmitting signals

Also Published As

Publication number Publication date
GB2087691A (en) 1982-05-26

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921028