AT316654B - Vorrichtung zur Begrenzung der Dynamik von Signalen in Fernmeldesystemen - Google Patents
Vorrichtung zur Begrenzung der Dynamik von Signalen in FernmeldesystemenInfo
- Publication number
- AT316654B AT316654B AT912171A AT912171A AT316654B AT 316654 B AT316654 B AT 316654B AT 912171 A AT912171 A AT 912171A AT 912171 A AT912171 A AT 912171A AT 316654 B AT316654 B AT 316654B
- Authority
- AT
- Austria
- Prior art keywords
- dynamics
- signals
- limiting
- telecommunications systems
- telecommunications
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
- H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
-
- 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)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2439271 | 1971-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT316654B true AT316654B (de) | 1974-07-25 |
Family
ID=11213359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT912171A AT316654B (de) | 1971-05-12 | 1971-10-21 | Vorrichtung zur Begrenzung der Dynamik von Signalen in Fernmeldesystemen |
Country Status (6)
Country | Link |
---|---|
US (1) | US3836856A (de) |
AT (1) | AT316654B (de) |
BE (1) | BE774625A (de) |
DE (1) | DE2223368A1 (de) |
GB (1) | GB1308287A (de) |
NL (1) | NL7206479A (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4334195A (en) * | 1980-05-27 | 1982-06-08 | Norlin Industries, Inc. | Voltage controlled attenuator |
US4516038A (en) * | 1982-11-19 | 1985-05-07 | Sundstrand Corporation | Triangle wave generator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL109537C (de) * | 1961-07-20 | |||
US3106680A (en) * | 1961-11-16 | 1963-10-08 | Collins Radio Co | Variable threshold high gain alc circuit |
US3500441A (en) * | 1967-10-12 | 1970-03-10 | Bell Telephone Labor Inc | Delta modulation with discrete companding |
US3568062A (en) * | 1968-04-29 | 1971-03-02 | Bell Telephone Labor Inc | Discrete compandor utilizing hysteresis |
US3609551A (en) * | 1968-06-28 | 1971-09-28 | Bell Telephone Labor Inc | Discrete-continuous companding for a digital transmission system |
US3646442A (en) * | 1970-04-30 | 1972-02-29 | Bell Telephone Labor Inc | Delta modulation system using variable weighted quanta to overcome slope limitations |
-
1971
- 1971-10-21 AT AT912171A patent/AT316654B/de not_active IP Right Cessation
- 1971-10-28 BE BE774625A patent/BE774625A/xx unknown
- 1971-11-09 GB GB5201971A patent/GB1308287A/en not_active Expired
-
1972
- 1972-05-11 US US00252466A patent/US3836856A/en not_active Expired - Lifetime
- 1972-05-12 DE DE19722223368 patent/DE2223368A1/de active Pending
- 1972-05-12 NL NL7206479A patent/NL7206479A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
US3836856A (en) | 1974-09-17 |
NL7206479A (de) | 1972-11-14 |
GB1308287A (en) | 1973-02-21 |
BE774625A (fr) | 1972-02-14 |
DE2223368A1 (de) | 1972-12-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |