GB2235082B - Audible alarm arrangement - Google Patents

Audible alarm arrangement

Info

Publication number
GB2235082B
GB2235082B GB8916253A GB8916253A GB2235082B GB 2235082 B GB2235082 B GB 2235082B GB 8916253 A GB8916253 A GB 8916253A GB 8916253 A GB8916253 A GB 8916253A GB 2235082 B GB2235082 B GB 2235082B
Authority
GB
United Kingdom
Prior art keywords
audible alarm
alarm arrangement
arrangement
audible
alarm
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 - Fee Related
Application number
GB8916253A
Other versions
GB8916253D0 (en
GB2235082A (en
Inventor
Philip Triggs
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.)
Crystalate Electronics Ltd
Hosiden Besson Ltd
Original Assignee
Crystalate Electronics Ltd
Hosiden Besson 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 Crystalate Electronics Ltd, Hosiden Besson Ltd filed Critical Crystalate Electronics Ltd
Priority to GB8916253A priority Critical patent/GB2235082B/en
Publication of GB8916253D0 publication Critical patent/GB8916253D0/en
Publication of GB2235082A publication Critical patent/GB2235082A/en
Application granted granted Critical
Publication of GB2235082B publication Critical patent/GB2235082B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
GB8916253A 1989-07-15 1989-07-15 Audible alarm arrangement Expired - Fee Related GB2235082B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8916253A GB2235082B (en) 1989-07-15 1989-07-15 Audible alarm arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8916253A GB2235082B (en) 1989-07-15 1989-07-15 Audible alarm arrangement

Publications (3)

Publication Number Publication Date
GB8916253D0 GB8916253D0 (en) 1989-08-31
GB2235082A GB2235082A (en) 1991-02-20
GB2235082B true GB2235082B (en) 1993-09-15

Family

ID=10660105

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8916253A Expired - Fee Related GB2235082B (en) 1989-07-15 1989-07-15 Audible alarm arrangement

Country Status (1)

Country Link
GB (1) GB2235082B (en)

Also Published As

Publication number Publication date
GB8916253D0 (en) 1989-08-31
GB2235082A (en) 1991-02-20

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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

Effective date: 20020715