JPS5318306A - Privacy communication unit - Google Patents
Privacy communication unitInfo
- Publication number
- JPS5318306A JPS5318306A JP9304976A JP9304976A JPS5318306A JP S5318306 A JPS5318306 A JP S5318306A JP 9304976 A JP9304976 A JP 9304976A JP 9304976 A JP9304976 A JP 9304976A JP S5318306 A JPS5318306 A JP S5318306A
- Authority
- JP
- Japan
- Prior art keywords
- communication unit
- privacy communication
- privacy
- sampling
- secure
- 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
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To secure a privacy of the communication contents by transmitting the original signal through sampling and polarity inversion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9304976A JPS5318306A (en) | 1976-08-04 | 1976-08-04 | Privacy communication unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9304976A JPS5318306A (en) | 1976-08-04 | 1976-08-04 | Privacy communication unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5318306A true JPS5318306A (en) | 1978-02-20 |
JPS617781B2 JPS617781B2 (en) | 1986-03-08 |
Family
ID=14071644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9304976A Granted JPS5318306A (en) | 1976-08-04 | 1976-08-04 | Privacy communication unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5318306A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62290224A (en) * | 1986-06-10 | 1987-12-17 | Pioneer Answerphone Mfg Corp | Scramble/descramble system for narrow band transmission system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6329065U (en) * | 1986-08-07 | 1988-02-25 |
-
1976
- 1976-08-04 JP JP9304976A patent/JPS5318306A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62290224A (en) * | 1986-06-10 | 1987-12-17 | Pioneer Answerphone Mfg Corp | Scramble/descramble system for narrow band transmission system |
Also Published As
Publication number | Publication date |
---|---|
JPS617781B2 (en) | 1986-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1031827A (en) | Portable transmitter | |
SE403871B (en) | COMBINED TRANSMITTER AND RECEIVER UNIT FOR DUPLEX TYPE TELECOMMUNICATION SYSTEM | |
SE7503847L (en) | COMMUNICATION SYSTEM WITH BERBAR TRANSMITTER. | |
GB1546828A (en) | Infra red transmitting glass member | |
AU499489B2 (en) | Fsk limited bandwidth transmitter | |
JPS5318306A (en) | Privacy communication unit | |
JPS5329011A (en) | Signal transmitter | |
AR215622A1 (en) | INTELLIGENCE SIGNALS TRANSMITTER AND RECEIVER ARRANGEMENT | |
JPS5318304A (en) | Privacy communication unit | |
JPS5373019A (en) | Signal detection system | |
JPS5318305A (en) | Privacy communication unit | |
JPS5284908A (en) | Signal receiver | |
JPS52130225A (en) | Signal transmission unit | |
JPS5357909A (en) | Signal transmission system | |
JPS5357903A (en) | Privacy communication set | |
JPS5357904A (en) | Privacy communication set | |
JPS52104001A (en) | Secret communication system | |
JPS5316480A (en) | Ultrasonic transmitter receiver | |
JPS5379404A (en) | Transmission device of individual selective calling signal | |
JPS5344788A (en) | Transmitter/receiver | |
JPS5324707A (en) | Signal transmitter | |
JPS5355902A (en) | Data transmission system | |
SU673849A2 (en) | Rate-of-flow transmitter | |
SU599249A1 (en) | Time interval transmitter | |
JPS51113509A (en) | Signal transmitting time control system |