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Indicators and Audio
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LEDs provide a wider view on the panel
Both standard and wide-angle panel indicator LEDs are available in 8.1 and 12.7mm sizes in brass, anodised aluminium and stainless steel versions.
News from Marl International (17 April 2008)
Microphone and speaker design explained
Guide covers a full range of acoustic interface products, together with technical basics on microphone and speakers. Brochure available
News from Knowles Acoustics ( 9 April 2008)
Indicators aren't fussy about voltage or polarity
Panel indicator LEDs will operate from any voltage in the range 12-28V with minimal variation in brightness making them ideal for battery powered systems.
News from Marl International (15 January 2008)
LEDs provide colourful indication
Panel-mounting LED indicators are available in a full spectrum of colours and with either prominent or recessed bezels.
News from MECI (19 November 2007)
Website unites acoustics and electronics
Redesigned corporate website is created for both Knowles Electronics and Knowles Acoustics. Brochure available
News from Knowles Acoustics ( 2 November 2007)
LED panel lamp is a tough performer
Hard anodised indicator is sealed to IP68 for tough, wet and dirty environments including marine and industrial applications.
News from Marl International (22 June 2007)
Agreement pools MEMS microphone expertise
A crosslicensing agreement between Knowles Acoustics and Akustica aims to reinforce the strength of each company's respective patent portfolios. Brochure available
News from Knowles Acoustics ( 6 June 2007)
Distribution for buzzers and audio indicators
Digi-Key Corp has signed a global distribution agreement with Projects Unlimited, a leader in buzzer and audio indicator technology.
News from Digi-Key Corporation (29 March 2007)
Miniature speaker for miniature products
An ultrathin speaker has emerged for possible inclusion in miniature equipment.
News from Panasonic Industrial Europe ( 5 December 2006)
Electret condenser microphones shrink to 3mm
Knowles Acoustics has expanded its proven line of electret condenser microphones with 3mm devices available in both omnidirectional and unidirectional types. Brochure available
News from Knowles Acoustics (15 November 2006)
Acoustic receiver promises top-quality sound
Knowles Acoustics has developed the first-ever round balanced armature receiver. Brochure available
News from Knowles Acoustics (15 November 2006)
MEMS microphones pass 300 million
Milestone in the history of MEMS microphone technology sees the shipment of the 300 millionth SiSonic surface mount MEMS microphone. Brochure available
News from Knowles Acoustics (15 November 2006)
LED pilot lamp is a brighter option
LED pilot lamp offers improved brightness, very low power consumption and smaller size requiring less panel space than larger, 22mm filament bulb types.
News from Switchtec (31 October 2006)
LED clusters signal train door safety
DDP has developed an LED lamp assembly for railway indication lighting applications.
News from DDP (12 September 2006)
High intensity LEDs to mimic the tube
Oxley Developments has secured a production order to supply LED displays for use in rail side electronics equipment on the London Underground.
News from Oxley Developments (11 September 2006)
Sound components meet post-RoHS requirements
Kingstate has developed a complete range of RoHS-compliant sound components, including buzzers, speakers, receivers and ECMs.
News from Kingstate Electronics Corporation ( 4 July 2006)
Buzzers and transducers upgrade to RoHS
Sonitron has released a new catalogue to coincide with the introduction of the RoHS Directive.
News from Phoenix Electronics Distribution (12 June 2006)
LED-based pilot lamps are bright choice
Switchtec's PL22 range of LED pilot lamps offer clear benefits over traditional filament lamps.
News from Switchtec (23 May 2006)
Alarms and buzzers aid automotive safety
New automotive alarms and buzzers from Cole Hersee Company alert drivers that a system has either failed or reached a dangerous level that could escalate to failure.
News from Cole Hersee (14 April 2006)
Tiny buzzer makes a big noise
A new piezoelectric buzzer addresses applications where small size, high reliability, robustness and an IP67 rating are the essential parameters.
News from Phoenix Electronics Distribution ( 4 April 2006)
Audio output devices are RoHS compliant
The entire Sonitron range of sounders, buzzers, sirens and piezo speakers now comply with RoHS (Pb-free) requirements.
News from Phoenix Electronics Distribution (22 February 2006)
LED indicators complement panel-mounted switches
Apem Components has introduced its Q-Series of LED indicators.
News from Apem Components (28 November 2005)
LED indicators run from the mains
New mains LED indicators offer flicker free illumination and are adaptable enough to operate from 230 to 110V AC. Brochure available
News from Arcolectric (24 October 2005)
Surface mount microphones go digital
The new digital series of SiSonic SMD microphones represents the worlds first "digital" surface mount microphone based on Knowles' industry proven MEMS microphone technology. Brochure available
News from Knowles Acoustics (19 September 2005)
Sirens offer battery backup option
Phoenix Electronics has added the recently released Hitpoint Neodymium sirens to its already extensive offering of audible products.
News from Phoenix Electronics Distribution ( 6 September 2005)
Dover to acquire Knowles
Dover Electronics has signed a definitive agreement to acquire Knowles Electronics for $750 million. Brochure available
News from Knowles Acoustics (25 August 2005)
Sounders suit industrial and military applications
Phoenix Electronics has extended its offering of Sonitron sounders and buzzers by adding a range suitable for both industrial and military applications.
News from Phoenix Electronics Distribution (21 April 2005)
Indicators feed back contact positions
The GMW ST series of contact position indicators are designed to show the operation of changeover switches or relays on remote switchboard or mimic display panels.
News from Metrix Electronics ( 4 April 2005)
MEMS microphones dominate new cellphone designs
Technical background article As designers continue to integrate new features into sleek new cellphone designs, there continues to be a drive for integrated components and for size reductions of each individual component. Brochure available
News from Knowles Acoustics (11 March 2005)
Status indicators survive extreme environments
New from L-3 Communications, Electrodynamics is the ML2030E Series of LED indicators.
News from L-3 Communications, Electrodynamics ( 8 March 2005)
More options for buzzer range
The well known range of SMA buzzers and transducers from Sonitron has been extended with the introduction of the SMA-21LV, which gives 87dB(A) at 3V and the SMA-30L which gives 97dB(A) at 9V.
News from Phoenix Electronics Distribution ( 4 March 2005)
Small siren boasts alarming output level
A new range of high reliability IP67-rated horn sirens address many of the problems associated with providing a high sound pressure output from a small size device.
News from Phoenix Electronics Distribution (24 January 2005)
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