GB2087114B - Pre-start warning system - Google Patents

Pre-start warning system

Info

Publication number
GB2087114B
GB2087114B GB8035810A GB8035810A GB2087114B GB 2087114 B GB2087114 B GB 2087114B GB 8035810 A GB8035810 A GB 8035810A GB 8035810 A GB8035810 A GB 8035810A GB 2087114 B GB2087114 B GB 2087114B
Authority
GB
United Kingdom
Prior art keywords
warning system
start warning
warning
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
GB8035810A
Other versions
GB2087114A (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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB8035810A priority Critical patent/GB2087114B/en
Publication of GB2087114A publication Critical patent/GB2087114A/en
Application granted granted Critical
Publication of GB2087114B publication Critical patent/GB2087114B/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
GB8035810A 1980-11-07 1980-11-07 Pre-start warning system Expired GB2087114B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8035810A GB2087114B (en) 1980-11-07 1980-11-07 Pre-start warning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8035810A GB2087114B (en) 1980-11-07 1980-11-07 Pre-start warning system

Publications (2)

Publication Number Publication Date
GB2087114A GB2087114A (en) 1982-05-19
GB2087114B true GB2087114B (en) 1983-05-18

Family

ID=10517161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8035810A Expired GB2087114B (en) 1980-11-07 1980-11-07 Pre-start warning system

Country Status (1)

Country Link
GB (1) GB2087114B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69422047T2 (en) * 1994-06-29 2000-06-29 Nippon Signal Co Ltd MONITORING DEVICE FOR ALARM DEVICE
GB2299427A (en) * 1995-03-25 1996-10-02 Alison Mary Beagrie Security apparatus

Also Published As

Publication number Publication date
GB2087114A (en) 1982-05-19

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Legal Events

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