BR7017183D0 - Circuito de regulagem silenciosa contador de impulsos - Google Patents
Circuito de regulagem silenciosa contador de impulsosInfo
- Publication number
- BR7017183D0 BR7017183D0 BR217183/70A BR21718370A BR7017183D0 BR 7017183 D0 BR7017183 D0 BR 7017183D0 BR 217183/70 A BR217183/70 A BR 217183/70A BR 21718370 A BR21718370 A BR 21718370A BR 7017183 D0 BR7017183 D0 BR 7017183D0
- Authority
- BR
- Brazil
- Prior art keywords
- silent
- regulation circuit
- impulse counter
- impulse
- counter
- 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
- H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80572369A | 1969-03-10 | 1969-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7017183D0 true BR7017183D0 (pt) | 1973-01-04 |
Family
ID=25192344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR217183/70A BR7017183D0 (pt) | 1969-03-10 | 1970-03-03 | Circuito de regulagem silenciosa contador de impulsos |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3564419A (pt) |
| BR (1) | BR7017183D0 (pt) |
| DE (1) | DE2010504B2 (pt) |
| GB (1) | GB1283292A (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3714582A (en) * | 1970-04-08 | 1973-01-30 | Bendix Corp | Automatic beat frequency oscillator switch for an airborne automatic direction finder |
| US3633112A (en) * | 1970-09-28 | 1972-01-04 | Collins Radio Co | Digital audio squelch |
| US3902122A (en) * | 1974-07-10 | 1975-08-26 | Gen Electric | Apparatus for speeding-up the attack time of a tone-coded radio receiver |
| US3939431A (en) * | 1974-11-25 | 1976-02-17 | Motorola, Inc. | Muting circuit for a radio receiver |
| NL7605275A (nl) * | 1976-05-18 | 1977-11-22 | Philips Nv | Data-ontvanger met synchroniseer-reeks-detec- tieketen. |
| US4172996A (en) * | 1977-02-21 | 1979-10-30 | Nippon Electric Co., Ltd. | Squelch circuit |
| US4638496A (en) * | 1982-02-11 | 1987-01-20 | Jensen Garold K | Secure reliable transmitting and receiving system for transfer of digital data |
| WO1984002642A1 (en) * | 1983-01-04 | 1984-07-19 | Etelae Haemeen Keuhkovammayhdi | Exhalation flow meter |
-
1969
- 1969-03-10 US US805723A patent/US3564419A/en not_active Expired - Lifetime
-
1970
- 1970-02-24 GB GB8723/70A patent/GB1283292A/en not_active Expired
- 1970-03-03 BR BR217183/70A patent/BR7017183D0/pt unknown
- 1970-03-05 DE DE19702010504 patent/DE2010504B2/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1283292A (en) | 1972-07-26 |
| DE2010504B2 (de) | 1972-04-13 |
| DE2010504A1 (de) | 1971-03-04 |
| US3564419A (en) | 1971-02-16 |
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