ES347474A1 - Aparato para indicar la presencia de componentes de modula-cion de amplitud. - Google Patents
Aparato para indicar la presencia de componentes de modula-cion de amplitud.Info
- Publication number
- ES347474A1 ES347474A1 ES347474A ES347474A ES347474A1 ES 347474 A1 ES347474 A1 ES 347474A1 ES 347474 A ES347474 A ES 347474A ES 347474 A ES347474 A ES 347474A ES 347474 A1 ES347474 A1 ES 347474A1
- Authority
- ES
- Spain
- Prior art keywords
- signal
- transistor
- meter
- switch
- emitter
- 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.)
- Expired
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)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US65291167A | 1967-07-12 | 1967-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES347474A1 true ES347474A1 (es) | 1969-02-01 |
Family
ID=24618704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES347474A Expired ES347474A1 (es) | 1967-07-12 | 1967-11-22 | Aparato para indicar la presencia de componentes de modula-cion de amplitud. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3525045A (es) |
BE (1) | BE707244A (es) |
CH (1) | CH488341A (es) |
DE (1) | DE1616309B2 (es) |
ES (1) | ES347474A1 (es) |
GB (1) | GB1151819A (es) |
LU (1) | LU54995A1 (es) |
NL (1) | NL6801718A (es) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5321241B2 (es) * | 1972-07-08 | 1978-07-01 | ||
US3869673A (en) * | 1973-05-21 | 1975-03-04 | Magnavox Co | Method and apparatus for measuring multipath distortion |
JPS5713176B2 (es) * | 1974-05-01 | 1982-03-16 | ||
JPS5228207A (en) * | 1975-08-28 | 1977-03-03 | Nippon Gakki Seizo Kk | Indicator driving circuit |
JPS5321501A (en) * | 1976-08-12 | 1978-02-28 | Nippon Gakki Seizo Kk | Display unit in electrical machinery and apparatus |
US4156848A (en) * | 1977-05-02 | 1979-05-29 | Motorola, Inc. | High dynamic range detector for indicating the quieting level of an FM receiver |
EP0010109A1 (de) * | 1977-05-28 | 1980-04-30 | Theodor Tobias Dipl.-Phys. Bossert | Verfahren und Einrichtung zum Messen der Empfangsqualität eines frequenzmodulierten UKW-Signals |
JPH04134929A (ja) * | 1990-09-26 | 1992-05-08 | Pioneer Electron Corp | マルチパス検出器 |
-
1967
- 1967-07-12 US US652911A patent/US3525045A/en not_active Expired - Lifetime
- 1967-11-20 GB GB52722/67A patent/GB1151819A/en not_active Expired
- 1967-11-22 ES ES347474A patent/ES347474A1/es not_active Expired
- 1967-11-29 BE BE707244D patent/BE707244A/xx not_active Expired
- 1967-11-30 LU LU54995A patent/LU54995A1/xx unknown
- 1967-12-05 CH CH1703067A patent/CH488341A/fr not_active IP Right Cessation
-
1968
- 1968-01-22 DE DE19681616309 patent/DE1616309B2/de active Pending
- 1968-02-07 NL NL6801718A patent/NL6801718A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH488341A (fr) | 1970-03-31 |
LU54995A1 (es) | 1968-02-20 |
NL6801718A (es) | 1969-01-14 |
US3525045A (en) | 1970-08-18 |
DE1616309B2 (de) | 1971-03-25 |
BE707244A (es) | 1968-04-01 |
GB1151819A (en) | 1969-05-14 |
DE1616309A1 (es) | 1971-03-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2309481A (en) | Frequency monitoring system | |
GB1076681A (en) | Improved electrical measuring apparatus | |
GB1357807A (en) | Combined tuning and signal strength indicator circuit | |
ES347474A1 (es) | Aparato para indicar la presencia de componentes de modula-cion de amplitud. | |
US3670243A (en) | Physical displacement measuring system utilizing impedance changing the frequency of an oscillatory circuit | |
US2426204A (en) | Discriminator circuits | |
US2996613A (en) | Detector circuit | |
US2334473A (en) | Frequency modulation tuning indicator | |
US2524165A (en) | Direct-current amplifier | |
US2362830A (en) | Modulation measuring apparatus | |
US2446428A (en) | Apparatus for producing indications of movement of an element | |
US3167719A (en) | Phase locked detector | |
CA2110301C (en) | Detector | |
US2629008A (en) | Frequency-type telemeter receiver | |
US2967940A (en) | Transistorized fm-ir detector | |
US3204229A (en) | Signal transmitter | |
US2685648A (en) | Apparatus for measuring frequency deviation | |
US2889516A (en) | Single channel frequency resolver | |
US2527441A (en) | Automatic volume control circuit | |
GB773470A (en) | Improvements in or relating to detector-circuit arrangements | |
US2677015A (en) | Frequency shift measuring circuit | |
US1647349A (en) | Radio signaling apparatus | |
US2484586A (en) | Frequency-modulation monitoring | |
US3039059A (en) | Phase comparator circuit having integrating and differentiating input means | |
US2929986A (en) | Apparatus for impedance measurements |