Title:
NETWORKED SOUND MASKING AND PAGING SYSTEM
Document Type and Number:
WIPO Patent Application WO2002069317
Kind Code:
A3
Abstract:
A sound masking system for shaping the ambient noise level in a physical environment. The sound masking system comprises a networked and distributed system having a number of master units coupled together and to a control unit. One or more of the master units may include satellite sound masking units which function to reproduce the sound masking signal generated by the master sound masking unit. Each of the master units is addressable over the network by the control unit enabling the control unit to program the contour, spectral band, and gain characteristics of the sound masking output signal. The system may also include a remote control unit which provides the capability to tune and adjust each master sound masking unit in situ without requiring physical access through the ceiling installation. According to another aspect, there is a networked paging system with individually addressable speaker units for announcing a paging signal selected from a number of paging signals.
Inventors:
MOELLER KLAUS R (CA)
MOELLER NIKLAS (CA)
RUSU MIRCEA (CA)
DERLA CARL (CA)
MOELLER NIKLAS (CA)
RUSU MIRCEA (CA)
DERLA CARL (CA)
Application Number:
PCT/CA2002/000238
Publication Date:
March 13, 2003
Filing Date:
February 26, 2002
Export Citation:
Assignee:
ONTARIO LTD 777388 (CA)
MOELLER KLAUS R (CA)
MOELLER NIKLAS (CA)
RUSU MIRCEA (CA)
DERLA CARL (CA)
MOELLER KLAUS R (CA)
MOELLER NIKLAS (CA)
RUSU MIRCEA (CA)
DERLA CARL (CA)
International Classes:
G10K11/175; H04M11/02; H05K5/02; (IPC1-7): G10K11/175; H04M11/02; H05K5/00
Foreign References:
| US4686693A | 1987-08-11 | |||
| US4052720A | 1977-10-04 | |||
| US4476572A | 1984-10-09 | |||
| US5689229A | 1997-11-18 | |||
| US4185167A | 1980-01-22 |
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