GB1230217A - - Google Patents
Info
- Publication number
- GB1230217A GB1230217A GB1230217DA GB1230217A GB 1230217 A GB1230217 A GB 1230217A GB 1230217D A GB1230217D A GB 1230217DA GB 1230217 A GB1230217 A GB 1230217A
- Authority
- GB
- United Kingdom
- Prior art keywords
- modulator
- compressor
- signal
- modulation
- demodulated
- 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/006—Angle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/06—Means for changing frequency deviation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/001—Volume compression or expansion in amplifiers without controlling loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
- H04B1/64—Volume compression or expansion arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Amplifiers (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES0112074 | 1967-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1230217A true GB1230217A (cs) | 1971-04-28 |
Family
ID=7531454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1230217D Expired GB1230217A (cs) | 1967-09-28 | 1968-09-30 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1591557A1 (cs) |
| GB (1) | GB1230217A (cs) |
| NL (1) | NL6813288A (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326223A (en) * | 1978-05-02 | 1982-04-20 | Sony Corporation | Video signal recording and/or reproducing apparatus with gain control |
| EP0086872A3 (en) * | 1982-02-20 | 1984-09-12 | Robert Bosch Gmbh | Method and device for transmitting signals which are frequency-shift-keyed in the audible field |
-
1967
- 1967-09-28 DE DE19671591557 patent/DE1591557A1/de active Pending
-
1968
- 1968-09-14 NL NL6813288A patent/NL6813288A/xx unknown
- 1968-09-30 GB GB1230217D patent/GB1230217A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4326223A (en) * | 1978-05-02 | 1982-04-20 | Sony Corporation | Video signal recording and/or reproducing apparatus with gain control |
| EP0086872A3 (en) * | 1982-02-20 | 1984-09-12 | Robert Bosch Gmbh | Method and device for transmitting signals which are frequency-shift-keyed in the audible field |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6813288A (cs) | 1969-04-01 |
| DE1591557A1 (de) | 1970-10-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |