FR2258740B3 - - Google Patents
Info
- Publication number
- FR2258740B3 FR2258740B3 FR7501087A FR7501087A FR2258740B3 FR 2258740 B3 FR2258740 B3 FR 2258740B3 FR 7501087 A FR7501087 A FR 7501087A FR 7501087 A FR7501087 A FR 7501087A FR 2258740 B3 FR2258740 B3 FR 2258740B3
- Authority
- FR
- France
- 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.)
- Expired
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
- H03G3/341—Muting when no signals or only weak signals are present
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742402233 DE2402233C3 (en) | 1974-01-17 | Television display device with a device for detecting sync pulses |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2258740A1 FR2258740A1 (en) | 1975-08-18 |
FR2258740B3 true FR2258740B3 (en) | 1977-09-30 |
Family
ID=5905037
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7501087A Granted FR2258740A1 (en) | 1974-01-17 | 1975-01-15 | Detection circuit for television signal - has a band-pass filter tuned to characteristic frequencies of the signal |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH580284A5 (en) |
FR (1) | FR2258740A1 (en) |
NL (1) | NL7500168A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL163917C (en) * | 1975-10-02 | 1980-10-15 | Philips Nv | RADIO RECEIVER. |
-
1974
- 1974-12-16 CH CH1671274A patent/CH580284A5/xx not_active IP Right Cessation
-
1975
- 1975-01-07 NL NL7500168A patent/NL7500168A/en unknown
- 1975-01-15 FR FR7501087A patent/FR2258740A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2402233B2 (en) | 1977-03-24 |
DE2402233A1 (en) | 1975-07-24 |
NL7500168A (en) | 1975-07-21 |
CH580284A5 (en) | 1976-09-30 |
FR2258740A1 (en) | 1975-08-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |