HK44378A - Detection circuit useful in muting circuits - Google Patents
Detection circuit useful in muting circuitsInfo
- Publication number
- HK44378A HK44378A HK443/78A HK44378A HK44378A HK 44378 A HK44378 A HK 44378A HK 443/78 A HK443/78 A HK 443/78A HK 44378 A HK44378 A HK 44378A HK 44378 A HK44378 A HK 44378A
- Authority
- HK
- Hong Kong
- Prior art keywords
- detection circuit
- circuit useful
- muting circuits
- muting
- circuits
- Prior art date
Links
Classifications
-
- 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
- H03G3/34—Muting amplifier when no signal is present
- H03G3/341—Muting when no signals or only weak signals are present
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6700970A | 1970-08-26 | 1970-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| HK44378A true HK44378A (en) | 1978-08-18 |
Family
ID=22073141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK443/78A HK44378A (en) | 1970-08-26 | 1978-08-10 | Detection circuit useful in muting circuits |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3714583A (enExample) |
| JP (1) | JPS5544496B1 (enExample) |
| AU (1) | AU471809B2 (enExample) |
| CA (1) | CA939753A (enExample) |
| DE (1) | DE2142172B2 (enExample) |
| FR (1) | FR2106037A5 (enExample) |
| GB (1) | GB1357353A (enExample) |
| HK (1) | HK44378A (enExample) |
| NL (1) | NL177371C (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3701022A (en) * | 1971-06-08 | 1972-10-24 | Rca Corp | Peak-to-peak detector |
| US3889192A (en) * | 1973-10-16 | 1975-06-10 | Braun Ag | Arrangement for suppressing noise in an FM receiver |
| JPS6041493B2 (ja) * | 1977-03-16 | 1985-09-17 | ソニー株式会社 | 受信機 |
| JPS54111201A (en) * | 1978-02-20 | 1979-08-31 | Nec Corp | Signal processing circuit |
| DE3047386A1 (de) * | 1980-12-16 | 1982-07-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Empfaenger zum empfang von am-signalen, deren traeger frequenz- oder phasenmoduliert ist |
| EP0475188B1 (de) * | 1990-09-11 | 1995-11-08 | Stefan Brinkhaus | Verfahren und Vorrichtung zur Minimierung von Störungen beim FM- oder PM-Empfang |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2261951A (en) * | 1938-08-09 | 1941-11-11 | Bloch Alan | Method and means for receiving modulated waves |
| BE540597A (enExample) * | 1954-08-17 | |||
| US2914664A (en) * | 1956-03-26 | 1959-11-24 | Browning Lab Inc | Apparatus for frequency-modulation reception with means for muting noise |
| DE1011481B (de) * | 1956-04-25 | 1957-07-04 | Telefunken Gmbh | Transistor-Gleichrichterschaltung |
| US3064196A (en) * | 1958-08-13 | 1962-11-13 | Collins Radio Co | Noise limiter and squelch circuit |
| US3011052A (en) * | 1958-09-15 | 1961-11-28 | Gen Dynamics Corp | Transistor squelch circuit |
| NL258644A (enExample) * | 1959-12-02 | |||
| US3238457A (en) * | 1963-05-08 | 1966-03-01 | Melpar Inc | Signal to noise ratio monitor |
| US3569633A (en) * | 1967-12-21 | 1971-03-09 | Heath Co | Fm stereo receiver having automatic threshold switching circuitry |
-
1970
- 1970-08-26 US US00067009A patent/US3714583A/en not_active Expired - Lifetime
-
1971
- 1971-08-06 AU AU32087/71A patent/AU471809B2/en not_active Expired
- 1971-08-09 CA CA120,148A patent/CA939753A/en not_active Expired
- 1971-08-23 DE DE19712142172 patent/DE2142172B2/de active Granted
- 1971-08-25 GB GB3983471A patent/GB1357353A/en not_active Expired
- 1971-08-25 NL NLAANVRAGE7111702,A patent/NL177371C/xx not_active IP Right Cessation
- 1971-08-25 JP JP6505871A patent/JPS5544496B1/ja active Pending
- 1971-08-25 FR FR7130878A patent/FR2106037A5/fr not_active Expired
-
1978
- 1978-08-10 HK HK443/78A patent/HK44378A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7111702A (enExample) | 1972-02-29 |
| NL177371B (nl) | 1985-04-01 |
| JPS5544496B1 (enExample) | 1980-11-12 |
| DE2142172B2 (de) | 1973-08-09 |
| AU471809B2 (en) | 1976-05-06 |
| GB1357353A (en) | 1974-06-19 |
| AU3208771A (en) | 1973-02-08 |
| CA939753A (en) | 1974-01-08 |
| DE2142172C3 (enExample) | 1982-04-08 |
| NL177371C (nl) | 1985-09-02 |
| FR2106037A5 (enExample) | 1972-04-28 |
| DE2142172A1 (de) | 1972-03-02 |
| US3714583A (en) | 1973-01-30 |
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