Audible signal device and work machines using same
First Claim
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1. An audible signal device comprising:
- a speaker;
an electronic oscillator current coupled with said speaker; and
a DC to DC converter separate from said electronic oscillator and coupled with said speaker and with said electronic oscillator.
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Abstract
An audible signal device which includes a DC to DC converter is provided. A group of work machines is further provided, including at least two work machines having electrical systems with different operating voltages. First and second audible signal devices are coupled with the first and second electrical systems respectively, wherein the second audible signal device is interchangeable with the first audible signal device and at least one of the devices includes a DC to DC converter. A method of assembling a plurality of dissimilar machines, each including an interchangeable audible signal device is further provided.
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Citations
13 Claims
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1. An audible signal device comprising:
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a speaker;
an electronic oscillator current coupled with said speaker; and
a DC to DC converter separate from said electronic oscillator and coupled with said speaker and with said electronic oscillator. - View Dependent Claims (2, 3, 4, 5)
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6. A group of work machines comprising:
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at least two work machines;
a first electrical system disposed in one of said at least two work machines and having a first operating voltage;
a second electrical system disposed in another of said at least two work machines and having a second operating voltage different from said first operating voltage;
a first audible signal device operably coupled with said first electrical system; and
a second audible signal device operably coupled with said second electrical system, said second audible signal device interchangeable with said first audible signal device;
wherein at least one of said first and second audible signal devices includes a DC to DC converter coupling the respective audible signal device with the respective electrical system. - View Dependent Claims (7, 8, 9)
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10. A method of assembling a plurality of dissimilar work machines comprising the steps of:
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connecting one of a plurality of interchangeable audible signal devices with an electrical system of a first work machine selected from among a plurality of dissimilar work machines, the first work machine having a first operating voltage; and
connecting another of the plurality of interchangeable audible signal devices with an electrical system of a second work machine selected from among the plurality of dissimilar work machines, the second work machine having a second operating voltage different from the first operating voltage. - View Dependent Claims (11, 12, 13)
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Specification