GB1442331A - Signal compressors and expanders - Google Patents
Signal compressors and expandersInfo
- Publication number
- GB1442331A GB1442331A GB4298172A GB4298172A GB1442331A GB 1442331 A GB1442331 A GB 1442331A GB 4298172 A GB4298172 A GB 4298172A GB 4298172 A GB4298172 A GB 4298172A GB 1442331 A GB1442331 A GB 1442331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- expanders
- signal compressors
- compressors
- signal
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
-
- 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
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4298172A GB1442331A (en) | 1972-09-15 | 1972-09-15 | Signal compressors and expanders |
CA180,248A CA992871A (en) | 1972-09-15 | 1973-09-04 | Signal compressors and expanders |
DE19732346126 DE2346126C2 (en) | 1972-09-15 | 1973-09-13 | Circuit arrangement for changing the dynamic range of signals |
JP48103312A JPS5914932B2 (en) | 1972-09-15 | 1973-09-14 | Signal dynamic range change circuit |
NL7312802A NL180368C (en) | 1972-09-15 | 1973-09-17 | SWITCH FOR CHANGING THE DYNAMIC RANGE OF A SIGNAL. |
US05/519,631 US3934190A (en) | 1972-09-15 | 1974-10-31 | Signal compressors and expanders |
CA230,839A CA992872A (en) | 1972-09-15 | 1975-07-04 | Signal compressors and expanders |
JP57079080A JPS5817714A (en) | 1972-09-15 | 1982-05-11 | Dynamic range altering circuit for signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4298172A GB1442331A (en) | 1972-09-15 | 1972-09-15 | Signal compressors and expanders |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1442331A true GB1442331A (en) | 1976-07-14 |
Family
ID=10426827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4298172A Expired GB1442331A (en) | 1972-09-15 | 1972-09-15 | Signal compressors and expanders |
Country Status (5)
Country | Link |
---|---|
JP (2) | JPS5914932B2 (en) |
CA (1) | CA992871A (en) |
DE (1) | DE2346126C2 (en) |
GB (1) | GB1442331A (en) |
NL (1) | NL180368C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57128231U (en) * | 1981-02-03 | 1982-08-10 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3182271A (en) * | 1960-12-15 | 1965-05-04 | Aiken William Ross | Tone control circuit for emphasizing low volume high and low frequency signals |
-
1972
- 1972-09-15 GB GB4298172A patent/GB1442331A/en not_active Expired
-
1973
- 1973-09-04 CA CA180,248A patent/CA992871A/en not_active Expired
- 1973-09-13 DE DE19732346126 patent/DE2346126C2/en not_active Expired
- 1973-09-14 JP JP48103312A patent/JPS5914932B2/en not_active Expired
- 1973-09-17 NL NL7312802A patent/NL180368C/en not_active IP Right Cessation
-
1982
- 1982-05-11 JP JP57079080A patent/JPS5817714A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
NL7312802A (en) | 1974-03-19 |
JPS6218086B2 (en) | 1987-04-21 |
DE2346126A1 (en) | 1974-03-21 |
DE2346126C2 (en) | 1982-12-02 |
NL180368B (en) | 1986-09-01 |
NL180368C (en) | 1987-02-02 |
CA992871A (en) | 1976-07-13 |
JPS49134216A (en) | 1974-12-24 |
JPS5817714A (en) | 1983-02-02 |
JPS5914932B2 (en) | 1984-04-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19930906 |