Electronic device

Details Electronic device Electronic device

2006-08-22

2009-12-08

Phu, Sanh D (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Distortion, noise, or other interference prevention,...

C455S130000, C455S227000, C455S228000, C455S003020, C363S021020, C363S022000, C363S072000, C323S233000

Reexamination Certificate

active

07630689

ABSTRACT:
An electronic device that can receive an AM radio broadcast signal and has a switching power supply circuit, wherein a switching frequency of the switching power supply circuit is detected and a reception frequency of the AM radio broadcast signal is detected, and when a frequency as an integral multiple of the switching frequency falls within a reception frequency range of the AM radio broadcast signal, a load is added to the switching power supply circuit, whereby the switching frequency is changed.

REFERENCES:
patent: 7142819 (2006-11-01), Kang et al.
patent: 2004/0052098 (2004-03-01), Burstein et al.
patent: 2008/0024094 (2008-01-01), Nishihara et al.
patent: 3439049 (2003-06-01), None

Affiliated with

Also associated with

Rating

Electronic device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electronic device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4090215