JPS527608A - Simultaneous communication interphone - Google Patents
Simultaneous communication interphoneInfo
- Publication number
- JPS527608A JPS527608A JP8424475A JP8424475A JPS527608A JP S527608 A JPS527608 A JP S527608A JP 8424475 A JP8424475 A JP 8424475A JP 8424475 A JP8424475 A JP 8424475A JP S527608 A JPS527608 A JP S527608A
- Authority
- JP
- Japan
- Prior art keywords
- simultaneous communication
- communication interphone
- interphone
- simultaneous
- interrruption
- 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.)
- Granted
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
- H04M9/10—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic with switching of direction of transmission by voice frequency
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
PURPOSE:To facilitate the interrruption in simultaneous communication interphone.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8424475A JPS527608A (en) | 1975-07-08 | 1975-07-08 | Simultaneous communication interphone |
US05/652,847 US4051325A (en) | 1975-01-31 | 1976-01-27 | Speech intercommunication system |
CA244,584A CA1048186A (en) | 1975-01-31 | 1976-01-30 | Speech intercommunication systems particularly for hands-free loudspeaker telephones |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8424475A JPS527608A (en) | 1975-07-08 | 1975-07-08 | Simultaneous communication interphone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS527608A true JPS527608A (en) | 1977-01-20 |
JPS5746264B2 JPS5746264B2 (en) | 1982-10-02 |
Family
ID=13825038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8424475A Granted JPS527608A (en) | 1975-01-31 | 1975-07-08 | Simultaneous communication interphone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS527608A (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58221381A (en) * | 1982-06-17 | 1983-12-23 | Ebara Corp | Waste heat retrieving type heat exchanger |
JPS59124871U (en) * | 1983-02-07 | 1984-08-22 | 松下電器産業株式会社 | heat exchange equipment |
-
1975
- 1975-07-08 JP JP8424475A patent/JPS527608A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5746264B2 (en) | 1982-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ZA765543B (en) | Laminates | |
JPS5215584A (en) | Laminates | |
CA958414A (en) | 1,4-dioxidoquinoxalinyl nitrones | |
CS189022B2 (en) | Fundicide,means | |
JPS51151339A (en) | Toilet good | |
JPS527608A (en) | Simultaneous communication interphone | |
AU502683B2 (en) | Thiopyrano-4, 3-c-pyrazoles | |
JPS527610A (en) | Telephone responding system | |
JPS523319A (en) | Crosstalk reduction system | |
JPS549898A (en) | Device of varying track of truck | |
JPS51128208A (en) | Idling power saving | |
JPS5221339A (en) | Cosmetic for the skin | |
CA934372A (en) | 3-halo-2,6-dinitro-4-trifluoromethylanilines | |
HK74679A (en) | 2-heterocyclylalkyl-3,3a-4-5-6-7-hexahydro-3-phenyl-7-benzylidene-2h-indazoles | |
PT64862B (en) | Two piece container. | |
AU1602770A (en) | Multi-purpose membrane | |
JPS5213707A (en) | Privacy system in key telephone system | |
JPS51111687A (en) | Connector | |
NZ181277A (en) | 11 -substistuted-20 -cyano-20 ,21-epoxy-16 ,17 -isopropylidenedioxypregn-4-ene-3-ones | |
JPS5225245A (en) | Distributing panel | |
JPS51132014A (en) | Transmission electric line | |
JPS5224415A (en) | Communication system | |
JPS5282038A (en) | Shift circuit | |
JPS5283108A (en) | Driving system | |
JPS51130104A (en) | Telephone set |