Sound-proofing, ventilating and conditioning

Claim 1

IN COMBINATION WITH THE INTERNAL BOUNDARY OF A ROOM, A CONSTRUCTION FOR SOUND ABSORBING, VENTILATING AND AIR-CONDITIONING SAID ROOM COMPRISING, A PAIR OF SHEETS JOINTLY DEFINING IN COMBINATION WITH SAID ROOM BOUNDARY TWO FAMILIES OF ACOUSTIC RESONATORS, A FIRST ONE OF SAID SHEETS BEING DISPOSED HAVING A SURFACE FACING THE INTERIOR OF SAID ROOM, THE SECOND SHEET BEING DISPOSED BETWEEN SAID FIRST SHEET AND SAID BOUNDARY AND SPACED FROM SAID BOUNDARY AND JOINTLY DEFINING WITH SAID BOUNDARY A SPACE THEREBETWEEN, SAID SECOND SHEET HAVING UNDULATIONS INTERPOSED BETWEEN SAID BOUNDARY AND SAID FIRST SHEET AND COOPERATIVELY WITH SAID FIRST SHEET DEFINING ADJACENT ALTERNATING CHANNELS OF A SAME TRAPEZOIDAL CROSSSECTIONAL SHAPE, SAID CHANNELS COMPRISING A PLURALITY OF ALTERNATE CHANNELS INVERTED WITH RESPECT TO SAID FIRST SHEET AND ALTERNATE CHANNELS NON-INVERTED WITH RESPECT TO SAID FIRST SHEET, EACH NON-INVERTED CHANNEL BEING DISPOSED BETWEEN TWO NEXT SUCCESSIVE INVERTED CHANNELS SAID SHEETS HAVING SPACED REGISTERING OPENINGS IN THE INVERTED CHANNELS, SAID FIRST SHEET HAVING OPENINGS OPENING INTO EACH OF SAID NON-INVERTED CHANNELS, SAID OPENINGS PROVIDING COMMUNICATION BETWEEN THE INTERIOR OF THE ROOM AND THE RESPECTIVE CHANNELS, SAID OPENINGS TO THE INDIVIDUAL NON-INVERTED CHANNELS BEING GREATER IN NUMBER THAN THE OPENINGS TO THE INDIVIDUAL INVERTED CHANNELS, SAID INVERTED CHANNELS BEING IN DIRECT COMMUNICATION WITH SAID SPACE ALONG THEIR FULL LENGTH AND WIDTH AND OPENING DIRECTLY INTO SAID SPACE, SAID SPACE BEING FREE OF OBSTRUCTIONS PRECLUDING FREE COMMUNICATION BETWEEN SAID INVERTED CHANNELS SUBSTANTIALLY ALONG THE LENGTH THEREOF, THE FIRST SHEET BEING DISPOSED SUBSTANTIALLY PARALLEL TO SAID BOUNDARY SAID SECOND SHEET UNDULATIONS DEFINING THE NON-INVERTED CHANNELS HAVING CRESTS SPACED RELATIVE TO SAID BOUNDARY A DISTANCE FROM ABOUT TWO TO EIGHT CENTIMETERS TO CAUSE SAID INVERTED CHANNELS TO FUNCTION AS LOW FREQUENCY RESONATORS, FILING IN SAID NON-INVERTED CHANNELS COOPERATIVE THEREWITH AND THE OPENINGS THEREIN TO CAUSE THE INDIVIDUAL NONINVERTED CHANNELS TO FUNCTION AS HIGH FREQUENCY RESONATORS, AND MEANS TO PROVIDE CONDITIONED OR VENTILATING AIR UNDER PRESSURE IN THE SPACE FORMED BETWEEN SAID SECOND SHEET AND ROOM BOUNDARY, WHEREBY THE INVERTED CHANNELS FORM ONE OF SAID FAMILIES OF ACOUSTIC RESONATORS AND THE NON-INVERTED CHANNELS FORM THE OTHER FAMILY OF ACOUSTIC RESONATORS AND SAID INVERTED CHANNELS RECEIVE SAID CONDITION AIR FOR DELIVERY INTO SAID ROOM THROUGH SAID OPENINGS THEREIN.