JPS4946615A - - Google Patents
Info
- Publication number
- JPS4946615A JPS4946615A JP48082389A JP8238973A JPS4946615A JP S4946615 A JPS4946615 A JP S4946615A JP 48082389 A JP48082389 A JP 48082389A JP 8238973 A JP8238973 A JP 8238973A JP S4946615 A JPS4946615 A JP S4946615A
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
- H03G3/26—Muting amplifier when no signal is present
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/005—Control by a pilot signal
-
- 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
- H03G3/344—Muting responsive to the amount of noise (noise squelch)
Landscapes
- Noise Elimination (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00273754A US3810023A (en) | 1972-07-21 | 1972-07-21 | Automatic squelch tail eliminator for tone coded squelch systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4946615A true JPS4946615A (cg-RX-API-DMAC10.html) | 1974-05-04 |
| JPS5442206B2 JPS5442206B2 (cg-RX-API-DMAC10.html) | 1979-12-13 |
Family
ID=23045264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8238973A Expired JPS5442206B2 (cg-RX-API-DMAC10.html) | 1972-07-21 | 1973-07-20 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3810023A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS5442206B2 (cg-RX-API-DMAC10.html) |
| CA (1) | CA990357A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2337062A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2194084B1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1391141A (cg-RX-API-DMAC10.html) |
| NL (1) | NL7309762A (cg-RX-API-DMAC10.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57138435U (cg-RX-API-DMAC10.html) * | 1981-02-20 | 1982-08-30 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889192A (en) * | 1973-10-16 | 1975-06-10 | Braun Ag | Arrangement for suppressing noise in an FM receiver |
| US4013962A (en) * | 1975-08-14 | 1977-03-22 | Motorola, Inc. | Improved receiver selecting (voting) system |
| US4203072A (en) * | 1978-05-15 | 1980-05-13 | Rockwell International Corporation | Reduction of impulse noise contribution to receiver squelch threshold |
| US5014343A (en) * | 1988-07-25 | 1991-05-07 | Microwave Data Systems, Inc. | Squelch-tail eliminator |
| 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 |
| US5708970A (en) * | 1995-11-13 | 1998-01-13 | Gerry Baby Products | Wireless sound monitoring apparatus with subaudible squelch control |
| US6374095B1 (en) * | 1997-11-07 | 2002-04-16 | Honeywell International Inc. | Method and apparatus for providing a squelch function on narrow band radio receivers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3049710A (en) * | 1958-01-02 | 1962-08-14 | Gen Electric | Continuous tone-controlled squelch system |
| FR1371537A (fr) * | 1962-10-16 | 1964-09-04 | Motorola Inc | Système double de réglage silencieux pour radio-récepteur |
| US3584304A (en) * | 1969-06-11 | 1971-06-08 | Motorola Inc | Squelch tail eliminator for dual squelch |
| US3654555A (en) * | 1970-08-19 | 1972-04-04 | Motorola Inc | Carrier and tone squelch circuit with elimination of noise at end of transmission |
-
1972
- 1972-07-21 US US00273754A patent/US3810023A/en not_active Expired - Lifetime
-
1973
- 1973-07-09 CA CA175,981A patent/CA990357A/en not_active Expired
- 1973-07-13 NL NL7309762A patent/NL7309762A/xx not_active Application Discontinuation
- 1973-07-17 GB GB3397473A patent/GB1391141A/en not_active Expired
- 1973-07-18 FR FR7326343A patent/FR2194084B1/fr not_active Expired
- 1973-07-20 DE DE19732337062 patent/DE2337062A1/de not_active Withdrawn
- 1973-07-20 JP JP8238973A patent/JPS5442206B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57138435U (cg-RX-API-DMAC10.html) * | 1981-02-20 | 1982-08-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1391141A (en) | 1975-04-16 |
| FR2194084A1 (cg-RX-API-DMAC10.html) | 1974-02-22 |
| NL7309762A (cg-RX-API-DMAC10.html) | 1974-01-23 |
| CA990357A (en) | 1976-06-01 |
| DE2337062A1 (de) | 1974-02-07 |
| FR2194084B1 (cg-RX-API-DMAC10.html) | 1978-07-21 |
| JPS5442206B2 (cg-RX-API-DMAC10.html) | 1979-12-13 |
| US3810023A (en) | 1974-05-07 |