Communications: electrical – Audible indication – Electronic
Reexamination Certificate
2007-11-06
2007-11-06
Pham, Toan N. (Department: 2612)
Communications: electrical
Audible indication
Electronic
C340S384730, C340S438000, C340S439000, C340S679000
Reexamination Certificate
active
11030629
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.
REFERENCES:
patent: 3992585 (1976-11-01), Turner et al.
patent: 4684870 (1987-08-01), George et al.
patent: 4903696 (1990-02-01), Stasz et al.
patent: 5321756 (1994-06-01), Patterson, Jr. et al.
patent: 5406254 (1995-04-01), Le Nay et al.
patent: 5793184 (1998-08-01), O'Connor
patent: 5886638 (1999-03-01), Tanguay
patent: 5896091 (1999-04-01), Soderlund
patent: 5966078 (1999-10-01), Tanguay
patent: 5966079 (1999-10-01), Tanguay
patent: 5969600 (1999-10-01), Tanguay
patent: 6307482 (2001-10-01), Le Bel
patent: 6400821 (2002-06-01), Burgan et al.
patent: 6445790 (2002-09-01), Burgan et al.
Caterpillar Inc.
Liell & McNeil
Pham Toan N.
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