Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Thermal response to – or generation of – sound vibration
Patent
1993-08-30
1995-09-26
Kuntz, Curtis
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Thermal response to, or generation of, sound vibration
381205, H04R 2500
Patent
active
054540429
ABSTRACT:
An audio-video boom for use in suspending and positioning a camera and/or a microphone is disclosed which has dual wide degrees of articulation capability to facilitate accurate and precise camera and/or microphone orientation while requiring only a single audio-video boom operator. The improved audio/video boom has a first driving member which may be operated to pan (rotate or pivot) a camera and/or a microphone at the end of the audio/video boom via a first pair of cables driving a first driven member which pans the camera and/or a microphone. The audio/video boom also has a second driving member which may be operated to tilt the camera and/or the microphone via a second pair of cables driving a second driven member which tilts the camera and/or the microphone. A support apparatus may be used to support the audio/video boom from a harness worn by the microphone boom operator, with the camera and/or the microphone being adjustable by panning, swiveling, axially rotating, and selectively panning and/or tilting the camera and/or the microphone at the end of the audio/video boom.
REFERENCES:
patent: 2122778 (1938-07-01), Mueller
patent: 2235518 (1941-03-01), Goshaw
patent: 2421437 (1947-06-01), Ryan et al.
patent: 4206983 (1980-06-01), Nettman et al.
"The Traveling Mike", N. H. Crowhurst, Audio Engineering, Feb. 1952.
Kuntz Curtis
Le Huyen D.
Posta Jr. John J.
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