Title:
【発明の名称】音声分配システム
Document Type and Number:
Japanese Patent JPH06505857
Kind Code:
A
Abstract:
A signal distribution and communication arrangement controls the broadcast of different types of signals through speakers located in various zones. The system includes a telephone interfaced with a door speaker controller to allow communication between the telephone and a door speaker. A page may be broadcast over the speakers and subsequently muted to allow private communication when the page is answered. Also included is a doorbell interface circuit that responds to a doorbell source. The doorbell source may be activated by any one of a plurality of doorbell switches.
Inventors:
Farinelli, Robert, Pee.
Stephenson, Bruce, Bee.
Anseld, Bill, Earl.
Stephenson, Bruce, Bee.
Anseld, Bill, Earl.
Application Number:
JP51255793A
Publication Date:
June 30, 1994
Filing Date:
January 07, 1993
Export Citation:
Assignee:
Square D Company
International Classes:
H04M1/715; H04M9/00; H04M9/08; H04M11/02; H04R3/12; H04R5/02; H04R5/04; H04R27/00; (IPC1-7): H04R27/00; H04M9/00
Attorney, Agent or Firm:
Akira Asamura (3 outside)