JPS51120110A - Band compression and modulation system - Google Patents
Band compression and modulation systemInfo
- Publication number
- JPS51120110A JPS51120110A JP4499975A JP4499975A JPS51120110A JP S51120110 A JPS51120110 A JP S51120110A JP 4499975 A JP4499975 A JP 4499975A JP 4499975 A JP4499975 A JP 4499975A JP S51120110 A JPS51120110 A JP S51120110A
- Authority
- JP
- Japan
- Prior art keywords
- band compression
- modulation system
- compression
- band
- high quality
- 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
Landscapes
- Facsimile Image Signal Circuits (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
PURPOSE: To obtain a high quality band compression characteristic with a simple circuit.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4499975A JPS51120110A (en) | 1975-04-12 | 1975-04-12 | Band compression and modulation system |
US05/596,539 US4166923A (en) | 1974-07-19 | 1975-07-16 | Amplitude- and periodic phase-modulation transmission system |
GB29773/75A GB1519972A (en) | 1974-07-19 | 1975-07-16 | Data transmission system |
DE2532287A DE2532287C2 (en) | 1974-07-19 | 1975-07-18 | Transmission system for unipolar signals |
FR7522476A FR2279278A1 (en) | 1974-07-19 | 1975-07-18 | TRANSMISSION SYSTEM, BY MODULATION OF A CARRIER, OF A UNIPOLAR SIGNAL TRAIN |
US06/029,502 US4217467A (en) | 1974-07-19 | 1979-04-12 | Amplitude and periodic phase modulation transmission system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4499975A JPS51120110A (en) | 1975-04-12 | 1975-04-12 | Band compression and modulation system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS51120110A true JPS51120110A (en) | 1976-10-21 |
JPS547656B2 JPS547656B2 (en) | 1979-04-09 |
Family
ID=12707109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4499975A Granted JPS51120110A (en) | 1974-07-19 | 1975-04-12 | Band compression and modulation system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51120110A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4983576A (en) * | 1972-12-20 | 1974-08-12 |
-
1975
- 1975-04-12 JP JP4499975A patent/JPS51120110A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4983576A (en) * | 1972-12-20 | 1974-08-12 |
Also Published As
Publication number | Publication date |
---|---|
JPS547656B2 (en) | 1979-04-09 |
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