JPS5676646A - Device for transmission control signal through speeh channel - Google Patents
Device for transmission control signal through speeh channelInfo
- Publication number
- JPS5676646A JPS5676646A JP15395180A JP15395180A JPS5676646A JP S5676646 A JPS5676646 A JP S5676646A JP 15395180 A JP15395180 A JP 15395180A JP 15395180 A JP15395180 A JP 15395180A JP S5676646 A JPS5676646 A JP S5676646A
- Authority
- JP
- Japan
- Prior art keywords
- speeh
- channel
- control signal
- transmission control
- transmission
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH997679 | 1979-11-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5676646A true JPS5676646A (en) | 1981-06-24 |
Family
ID=4357749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15395180A Pending JPS5676646A (en) | 1979-11-07 | 1980-11-04 | Device for transmission control signal through speeh channel |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0028688A1 (en) |
JP (1) | JPS5676646A (en) |
AR (1) | AR224912A1 (en) |
BR (1) | BR8007222A (en) |
ES (1) | ES496115A0 (en) |
NO (1) | NO803344L (en) |
ZA (1) | ZA806589B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58154961A (en) * | 1982-03-10 | 1983-09-14 | Fujitsu Ltd | Connecting system of privacy telephone set |
JPS5961242A (en) * | 1982-09-30 | 1984-04-07 | Fujitsu Ltd | Secret communication system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4815128A (en) * | 1986-07-03 | 1989-03-21 | Motorola, Inc. | Gateway system and method for interconnecting telephone calls with a digital voice protected radio network |
EP0313029A1 (en) * | 1987-10-21 | 1989-04-26 | Siemens Aktiengesellschaft Österreich | Apparatus for scrambled transmission of analog signals |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2542183A (en) * | 1948-07-10 | 1951-02-20 | Bell Telephone Labor Inc | Transmission privacy synchronizing and equalizing system |
GB1051791A (en) * | 1964-01-09 | 1900-01-01 |
-
1980
- 1980-09-12 EP EP80105445A patent/EP0028688A1/en not_active Withdrawn
- 1980-10-21 ES ES496115A patent/ES496115A0/en active Granted
- 1980-10-27 ZA ZA00806589A patent/ZA806589B/en unknown
- 1980-10-31 AR AR283088A patent/AR224912A1/en active
- 1980-11-04 JP JP15395180A patent/JPS5676646A/en active Pending
- 1980-11-06 BR BR8007222A patent/BR8007222A/en unknown
- 1980-11-06 NO NO803344A patent/NO803344L/en unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58154961A (en) * | 1982-03-10 | 1983-09-14 | Fujitsu Ltd | Connecting system of privacy telephone set |
JPH0156584B2 (en) * | 1982-03-10 | 1989-11-30 | Fujitsu Ltd | |
JPS5961242A (en) * | 1982-09-30 | 1984-04-07 | Fujitsu Ltd | Secret communication system |
JPH0442862B2 (en) * | 1982-09-30 | 1992-07-14 | Fujitsu Ltd |
Also Published As
Publication number | Publication date |
---|---|
ZA806589B (en) | 1981-10-28 |
BR8007222A (en) | 1981-05-19 |
ES8200802A1 (en) | 1981-11-16 |
NO803344L (en) | 1981-05-08 |
ES496115A0 (en) | 1981-11-16 |
EP0028688A1 (en) | 1981-05-20 |
AR224912A1 (en) | 1982-01-29 |
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