Microphone for use on location

Details Microphone for use on location Microphone for use on location

1984-03-23

1986-01-28

Isen, Forester W.

Electrical audio signal processing systems and devices

Having microphone

381115, 381120, 381111, H04R 300

Patent

active

045676089

ABSTRACT:
A microphone designed for use on location provided with amplification to produce a signal output level suitable for use on conventional studio cables and utilizing the Phantom power available on such studio cables, the microphone having a light emitting diode responsive to elevation of the potential of the Phantom power on the cable, but not the normal potential thereof, to indicate the presence of a live microphone, the microphone also being provided with a backup battery for use in the event Phantom power is not available, and the microphone being provided with a free running multivibrator coupled to the light emitting diode and having a repetition rate proportional to the potential of the backup battery to give an indication of battery voltage.

REFERENCES:
patent: 3748397 (1973-07-01), Jones
patent: 4315109 (1982-02-01), Jacobsen
patent: 4378467 (1983-03-01), Ferrantelli
patent: 4396800 (1983-08-01), McDonnell et al.

Affiliated with

Also associated with

Rating

Microphone for use on location does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1310643