SE7810101L - Strypkrets for radiomottagare - Google Patents
Strypkrets for radiomottagareInfo
- Publication number
- SE7810101L SE7810101L SE7810101A SE7810101A SE7810101L SE 7810101 L SE7810101 L SE 7810101L SE 7810101 A SE7810101 A SE 7810101A SE 7810101 A SE7810101 A SE 7810101A SE 7810101 L SE7810101 L SE 7810101L
- Authority
- SE
- Sweden
- Prior art keywords
- radio receivers
- strap circuit
- strap
- circuit
- receivers
- 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 or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/344—Muting responsive to the amount of noise (noise squelch)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/838,007 US4132953A (en) | 1977-09-29 | 1977-09-29 | Squelch circuit for a radio receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7810101L true SE7810101L (sv) | 1979-03-30 |
SE430843B SE430843B (sv) | 1983-12-12 |
Family
ID=25276030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7810101A SE430843B (sv) | 1977-09-29 | 1978-09-26 | Strypningsanordning for en radiomottagare |
Country Status (7)
Country | Link |
---|---|
US (1) | US4132953A (sv) |
JP (1) | JPS5459815A (sv) |
DE (1) | DE2840385A1 (sv) |
DK (1) | DK433778A (sv) |
FR (1) | FR2404965A1 (sv) |
GB (1) | GB2006560B (sv) |
SE (1) | SE430843B (sv) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2909520C3 (de) * | 1979-03-10 | 1981-12-03 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung zur Dämpfung von Störgeräuschen |
JPS5754409A (en) * | 1980-09-18 | 1982-03-31 | Toshiba Corp | Signal interruption circuit |
DE3130341A1 (de) * | 1980-09-17 | 1982-06-16 | Hitachi, Ltd., Tokyo | Rauschsperre und mit dieser versehener fm-funkempfaenger |
JP2784514B2 (ja) * | 1986-04-03 | 1998-08-06 | モトローラ・インコーポレーテッド | レイリーフェーデッド受信信号に対するオーディオ応答を改善したfm受信機 |
US4991227A (en) * | 1988-01-11 | 1991-02-05 | Motorola, Inc. | Squelch circuit with variable squelch tail and variable hysteresis |
US5060296A (en) * | 1989-02-28 | 1991-10-22 | Motorola, Inc. | Communication system with squelch control |
US5220565A (en) * | 1991-05-30 | 1993-06-15 | Motorola, Inc. | Selective transmission of encoded voice information representing silence |
US5179577A (en) * | 1991-06-06 | 1993-01-12 | Digital Equipment Corporation | Dynamic threshold data receiver for local area networks |
US5450622A (en) * | 1991-07-23 | 1995-09-12 | Ericsson Inc. | Method and apparatus for providing a very fast acting noise squelch control system for an RF radio receiver |
WO1993003551A1 (en) * | 1991-08-05 | 1993-02-18 | Motorola, Inc. | Method and apparatus for prevention of squelch chatter |
US5303405A (en) * | 1991-09-03 | 1994-04-12 | Motorola, Inc. | Comparator switched squelch rectifier |
JP3144574B2 (ja) * | 1991-11-20 | 2001-03-12 | ローム株式会社 | ミューティング制御回路 |
US5881101A (en) * | 1994-09-01 | 1999-03-09 | Harris Corporation | Burst serial tone waveform signaling method and device for squelch/wake-up control of an HF transceiver |
US6961551B2 (en) * | 2002-02-01 | 2005-11-01 | M/A-Com Private Radio Systems, Inc. | Dual speed squelch circuit and method |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3596184A (en) * | 1969-08-15 | 1971-07-27 | Motorola Inc | Squelch circuit with squelch tail elimination |
US3628058A (en) * | 1970-02-24 | 1971-12-14 | Motorola Inc | Integrated dual time constant squelch circuit |
US3660765A (en) * | 1970-04-13 | 1972-05-02 | Motorola Inc | Squelch circuit having short and long time constant filters for squelch tail elimination |
US3769592A (en) * | 1971-07-14 | 1973-10-30 | Motorola Inc | Squench circuit with time delay variable in accordance with strength of received signal |
US3939431A (en) * | 1974-11-25 | 1976-02-17 | Motorola, Inc. | Muting circuit for a radio receiver |
GB1506510A (en) * | 1975-12-29 | 1978-04-05 | Elliott Bros | Audio frequency automatic muting arrangements |
-
1977
- 1977-09-29 US US05/838,007 patent/US4132953A/en not_active Expired - Lifetime
-
1978
- 1978-08-15 GB GB7833354A patent/GB2006560B/en not_active Expired
- 1978-09-16 DE DE19782840385 patent/DE2840385A1/de not_active Withdrawn
- 1978-09-26 SE SE7810101A patent/SE430843B/sv unknown
- 1978-09-27 JP JP11807778A patent/JPS5459815A/ja active Pending
- 1978-09-27 FR FR7827626A patent/FR2404965A1/fr active Granted
- 1978-09-29 DK DK433778A patent/DK433778A/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB2006560B (en) | 1982-07-21 |
JPS5459815A (en) | 1979-05-14 |
DE2840385A1 (de) | 1979-04-05 |
SE430843B (sv) | 1983-12-12 |
FR2404965B1 (sv) | 1985-04-19 |
DK433778A (da) | 1979-03-30 |
GB2006560A (en) | 1979-05-02 |
US4132953A (en) | 1979-01-02 |
FR2404965A1 (fr) | 1979-04-27 |
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