GB2235082B - Audible alarm arrangement - Google Patents
Audible alarm arrangementInfo
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
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) |
-
1989
- 1989-07-15 GB GB8916253A patent/GB2235082B/en not_active Expired - Fee Related
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 |