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FR2737334A1
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Audible alarm with built-in pest control device
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FR2732805A1
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Piezoelectric sound warning device, particularly for vehicle equipment
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FR2713383A1
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Multi-function control module for a motor vehicle horn.
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FR2684478A1
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Electropneumatic or pneumatic horn (audible warning device)
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FR2544912A1
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Electric motor actuator
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US4401049A
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Acoustic warning device
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GB2035652A
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Electromagnetic warning instrument
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FR2448217A1
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METHOD FOR MANUFACTURING A SWITCH FOR AN ALARM
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GB1602409A
|
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Alarm system with a number of self-powered indicating elements
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US4116158A
|
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Vibrating membrane horns
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GB1572673A
|
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Flashing light control unit
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FR2389961A1
|
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Twin spiral acoustic horn - has single passage doubled back on itself to give very compact arrangement with transducer diaphragm at centre
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GB1516234A
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Electroacoustic signalling horns
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DE2643567A1
|
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CONTROL DEVICE FOR A WIPER MOTOR
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CA1053945A
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Vibrating membrane horns
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GB1498001A
|
|
Electronic flashing units
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FR2353128A1
|
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Time delay circuit for relay - has three transistors and two diodes connected to relay winding and power supply
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FR2342571A1
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DC motor overload protection circuit - is for vehicle window operation and reverses motor operation when obstructed
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GB1494406A
|
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Acoustic alarm devices with sound attenuators
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ES421550A1
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Thermoelectric intermittance device. (Machine-translation by Google Translate, not legally binding)
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