FR2339288A1 - Dispositif indicateur d'accord pour recepteurs de radio - Google Patents
Dispositif indicateur d'accord pour recepteurs de radioInfo
- Publication number
- FR2339288A1 FR2339288A1 FR7706373A FR7706373A FR2339288A1 FR 2339288 A1 FR2339288 A1 FR 2339288A1 FR 7706373 A FR7706373 A FR 7706373A FR 7706373 A FR7706373 A FR 7706373A FR 2339288 A1 FR2339288 A1 FR 2339288A1
- Authority
- FR
- France
- Prior art keywords
- voltage
- tapped
- light emitting
- transistor
- emitting diodes
- Prior art date
- 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
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/12—Electrically-operated arrangements for indicating correct tuning
- H03J3/14—Visual indication, e.g. magic eye
Landscapes
- Circuits Of Receivers In General (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7706373A FR2339288A1 (fr) | 1977-03-04 | 1977-03-04 | Dispositif indicateur d'accord pour recepteurs de radio |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7706373A FR2339288A1 (fr) | 1977-03-04 | 1977-03-04 | Dispositif indicateur d'accord pour recepteurs de radio |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2339288A1 true FR2339288A1 (fr) | 1977-08-19 |
FR2339288B3 FR2339288B3 (de) | 1980-02-01 |
Family
ID=9187558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7706373A Granted FR2339288A1 (fr) | 1977-03-04 | 1977-03-04 | Dispositif indicateur d'accord pour recepteurs de radio |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2339288A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0062590A1 (de) * | 1981-04-08 | 1982-10-13 | Thomson-Brandt | Radioempfänger mit Anzeiger für den Empfang einer Sendung |
CN104812148A (zh) * | 2015-05-20 | 2015-07-29 | 吴建堂 | 四档led环境照度检测器 |
-
1977
- 1977-03-04 FR FR7706373A patent/FR2339288A1/fr active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0062590A1 (de) * | 1981-04-08 | 1982-10-13 | Thomson-Brandt | Radioempfänger mit Anzeiger für den Empfang einer Sendung |
CN104812148A (zh) * | 2015-05-20 | 2015-07-29 | 吴建堂 | 四档led环境照度检测器 |
Also Published As
Publication number | Publication date |
---|---|
FR2339288B3 (de) | 1980-02-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2339288A1 (fr) | Dispositif indicateur d'accord pour recepteurs de radio | |
JPS5690614A (en) | Automatic gain control amplifier for light communication | |
KR920009110A (ko) | 적외선 수신 회로 | |
JPS56146381A (en) | Television voice receiving device | |
JPS545366A (en) | Base current compensating circuit for transistor | |
JPS5434660A (en) | Limiter circuit | |
FR2286375A1 (fr) | Circuit electronique pour la detection optique | |
GB1436093A (en) | Battery-driven sound level indicator with luminous display | |
JPS546750A (en) | Transistor amplifying device | |
JPS54149501A (en) | Photoelectric converter circuit | |
JPS5550752A (en) | Photo reception circuit | |
JPS5472629A (en) | Optical read system | |
FR2450461A1 (fr) | Dispositif qui permet de controler les charges electriques statiques des disques phonographiques | |
JPS53132965A (en) | Detector circuit | |
JPS5437561A (en) | Differential amplifier circuit for small signal | |
GB865122A (en) | Improvements in or relating to automatic gain control circuit arrangements | |
JPS53143956A (en) | Constant voltage circuit | |
JPS5314541A (en) | Bias circuit | |
JPS53144235A (en) | Variable gain amplifier circuit | |
JPS573428A (en) | Interface circuit | |
JPS53136463A (en) | Amplifying circuit | |
JPS5546871A (en) | Light-triggered thyristor | |
JPS6449308A (en) | Peak clipping circuit | |
JPS5354906A (en) | Optical receiving system | |
JPS55114917A (en) | Agc circuit |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |