JPS572210B2 - - Google Patents
Info
- Publication number
- JPS572210B2 JPS572210B2 JP6679275A JP6679275A JPS572210B2 JP S572210 B2 JPS572210 B2 JP S572210B2 JP 6679275 A JP6679275 A JP 6679275A JP 6679275 A JP6679275 A JP 6679275A JP S572210 B2 JPS572210 B2 JP S572210B2
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
- H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
- H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stereo-Broadcasting Methods (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50066792A JPS51142201A (en) | 1975-06-02 | 1975-06-02 | Automatic frequency control circuit |
| US05/691,868 US4092602A (en) | 1975-06-02 | 1976-06-01 | Automatic frequency control for FM-receiver |
| DE2624787A DE2624787C3 (de) | 1975-06-02 | 1976-06-02 | Schaltungsanordnung zur automatischen Steuerung einer Zwischenfrequenz eines FM-Empfängers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50066792A JPS51142201A (en) | 1975-06-02 | 1975-06-02 | Automatic frequency control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS51142201A JPS51142201A (en) | 1976-12-07 |
| JPS572210B2 true JPS572210B2 (US07714131-20100511-C00024.png) | 1982-01-14 |
Family
ID=13326058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50066792A Granted JPS51142201A (en) | 1975-06-02 | 1975-06-02 | Automatic frequency control circuit |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4092602A (US07714131-20100511-C00024.png) |
| JP (1) | JPS51142201A (US07714131-20100511-C00024.png) |
| DE (1) | DE2624787C3 (US07714131-20100511-C00024.png) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58186920U (ja) * | 1982-06-08 | 1983-12-12 | 株式会社クボタ | 農用運搬車 |
| JPS6276726U (US07714131-20100511-C00024.png) * | 1985-10-31 | 1987-05-16 | ||
| JPH0241445B2 (US07714131-20100511-C00024.png) * | 1983-10-14 | 1990-09-18 |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS588771B2 (ja) * | 1977-01-25 | 1983-02-17 | 三洋電機株式会社 | プリセツトチユ−ナ |
| JPS6042533Y2 (ja) * | 1977-02-23 | 1985-12-27 | 株式会社ケンウッド | Ｆｍ受信装置 |
| GB1570942A (en) * | 1977-03-17 | 1980-07-09 | British Aircraft Corp Ltd | Radio frequency regenerators |
| NL179435C (nl) * | 1977-10-26 | 1986-09-01 | Philips Nv | Ontvanger met een frequentiesynthese-schakeling. |
| US4232398A (en) * | 1978-02-09 | 1980-11-04 | Motorola, Inc. | Radio receiver alignment indicator |
| JPS57171822A (en) * | 1981-04-15 | 1982-10-22 | Pioneer Electronic Corp | Automatic channel selector of tuner |
| DE3446078A1 (de) * | 1984-12-18 | 1986-06-19 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Fm-stereoempfaenger |
| DE3510559A1 (de) * | 1985-03-21 | 1986-09-25 | H. u. C. Elektronik Hansen & Co, 1000 Berlin | Schaltung zur automatischen scharfabstimmung fuer fm-empfaenger |
| US4991226A (en) * | 1989-06-13 | 1991-02-05 | Bongiorno James W | FM detector with deviation manipulation |
| US6223061B1 (en) * | 1997-07-25 | 2001-04-24 | Cleveland Medical Devices Inc. | Apparatus for low power radio communications |
| CH702685B1 (fr) * | 1999-10-06 | 2011-08-31 | Richemont Int Sa | Récepteur à modulation de fréquence, notamment pour une application RDS. |
| US6973400B2 (en) * | 2003-10-10 | 2005-12-06 | Itron, Inc. | System and method for oscillator self-calibration using AC line frequency |
| US8045717B2 (en) * | 2006-04-13 | 2011-10-25 | Media Tek Inc. | Stereo decoder and method for processing pilot signal |
| TWI410057B (zh) * | 2009-05-05 | 2013-09-21 | Richwave Technology Corp | 頻率調變接收機與其接收方法 |
| GB2500265B (en) * | 2012-03-16 | 2014-03-05 | Broadcom Corp | Reconfigurable radio frequency circuits and methods of receiving |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2919401A (en) * | 1958-12-30 | 1959-12-29 | Benjamin R Cole | Automatic calibration circuit |
| US3297965A (en) * | 1963-10-09 | 1967-01-10 | Collins Radio Co | Frequency control system having phase controlled sampling means |
| GB1250311A (US07714131-20100511-C00024.png) * | 1968-01-17 | 1971-10-20 | ||
| US3686574A (en) * | 1970-08-19 | 1972-08-22 | Hallicrafters Co | Self-correcting afc system |
| CH543193A (de) * | 1972-03-30 | 1973-10-15 | Bbc Brown Boveri & Cie | Frequenzdetektor |
| DE2233724C3 (de) * | 1972-07-08 | 1975-11-27 | Loewe Opta Gmbh, 1000 Berlin | Schaltungsanordnung zum Einstellen der Frequenz in spannungsabhängigen Oszillatoren |
| US3965423A (en) * | 1974-07-17 | 1976-06-22 | Mcintosh Laboratory Inc. | Automatic frequency control system |
| US4006429A (en) * | 1975-09-26 | 1977-02-01 | Jerrold Electronics Corporation | Homodyne automatic frequency control circuit |
-
1975
- 1975-06-02 JP JP50066792A patent/JPS51142201A/ja active Granted
-
1976
- 1976-06-01 US US05/691,868 patent/US4092602A/en not_active Expired - Lifetime
- 1976-06-02 DE DE2624787A patent/DE2624787C3/de not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58186920U (ja) * | 1982-06-08 | 1983-12-12 | 株式会社クボタ | 農用運搬車 |
| JPH0241445B2 (US07714131-20100511-C00024.png) * | 1983-10-14 | 1990-09-18 | ||
| JPS6276726U (US07714131-20100511-C00024.png) * | 1985-10-31 | 1987-05-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2624787C3 (de) | 1984-06-07 |
| JPS51142201A (en) | 1976-12-07 |
| US4092602A (en) | 1978-05-30 |
| DE2624787A1 (de) | 1976-12-16 |
| DE2624787B2 (de) | 1979-11-29 |
