AU8762891A - Duplex transducer for simultaneous voice broadcast and reception - Google Patents
Duplex transducer for simultaneous voice broadcast and receptionInfo
- Publication number
- AU8762891A AU8762891A AU87628/91A AU8762891A AU8762891A AU 8762891 A AU8762891 A AU 8762891A AU 87628/91 A AU87628/91 A AU 87628/91A AU 8762891 A AU8762891 A AU 8762891A AU 8762891 A AU8762891 A AU 8762891A
- Authority
- AU
- Australia
- Prior art keywords
- reception
- voice broadcast
- simultaneous voice
- duplex
- transducer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70339191A | 1991-05-21 | 1991-05-21 | |
US703391 | 1991-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU8762891A true AU8762891A (en) | 1992-12-30 |
Family
ID=24825186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU87628/91A Abandoned AU8762891A (en) | 1991-05-21 | 1991-08-27 | Duplex transducer for simultaneous voice broadcast and reception |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU8762891A (en) |
WO (1) | WO1992021198A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002258123A1 (en) * | 2002-05-08 | 2003-12-12 | Eccleshill Limited | Isdn interface apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1291837C (en) * | 1987-07-15 | 1991-11-05 | Juro Ohga | Electronic telephone terminal having noise suppression function |
JPH01118900A (en) * | 1987-11-01 | 1989-05-11 | Ricoh Co Ltd | Noise suppressor |
JPH01319360A (en) * | 1988-06-20 | 1989-12-25 | Nec Corp | Voice conference equipment |
-
1991
- 1991-08-27 WO PCT/US1991/006113 patent/WO1992021198A1/en active Application Filing
- 1991-08-27 AU AU87628/91A patent/AU8762891A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1992021198A1 (en) | 1992-11-26 |
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