GB2111335B - A method of tuning an am receiver - Google Patents
A method of tuning an am receiverInfo
- Publication number
- GB2111335B GB2111335B GB08232883A GB8232883A GB2111335B GB 2111335 B GB2111335 B GB 2111335B GB 08232883 A GB08232883 A GB 08232883A GB 8232883 A GB8232883 A GB 8232883A GB 2111335 B GB2111335 B GB 2111335B
- Authority
- GB
- United Kingdom
- Prior art keywords
- tuning
- receiver
- 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
- 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
- H03J7/06—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 counters or frequency dividers
- H03J7/065—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 counters or frequency dividers the counter or frequency divider being used in a phase locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
- H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/18—Automatic scanning over a band of frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Circuits Of Receivers In General (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18362981A JPS5885623A (en) | 1981-11-18 | 1981-11-18 | Tuning method of amplitude modulation receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2111335A GB2111335A (en) | 1983-06-29 |
GB2111335B true GB2111335B (en) | 1985-07-03 |
Family
ID=16139108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08232883A Expired GB2111335B (en) | 1981-11-18 | 1982-11-18 | A method of tuning an am receiver |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS5885623A (en) |
DE (1) | DE3242430A1 (en) |
FR (1) | FR2516721B1 (en) |
GB (1) | GB2111335B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3347132C1 (en) * | 1983-12-27 | 1985-07-04 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Automatic adjustment system for a tuner of a television receiver |
US5448763A (en) * | 1993-11-09 | 1995-09-05 | Motorola | Apparatus and method for operating a phase locked loop frequency synthesizer responsive to radio frequency channel spacing |
DE4422908C1 (en) * | 1994-06-30 | 1995-11-02 | Grundig Emv | Automatically identifying oscillator frequency for satellite receiver frequency converter |
JP2763273B2 (en) * | 1995-03-20 | 1998-06-11 | 富士通テン株式会社 | Electronic tuned radio receiver |
CN1227807C (en) * | 1999-12-23 | 2005-11-16 | 皇家菲利浦电子有限公司 | Image rejection |
WO2017077593A1 (en) * | 2015-11-04 | 2017-05-11 | 三菱電機株式会社 | Broadcast receiver |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3983492A (en) * | 1975-01-29 | 1976-09-28 | Bell Telephone Laboratories, Incorporated | Frequency scan and lock circuit for mobile radio channel selection |
US4069455A (en) * | 1976-11-11 | 1978-01-17 | General Electric Company | Arrangement for maintaining reception of a radio receiver on the stronger of two signals |
AU4646579A (en) * | 1978-05-19 | 1979-11-22 | Walter George Cox | Frequency selector tuning means |
US4214274A (en) * | 1978-06-19 | 1980-07-22 | Matsushita Electric Corporation | Frequency synthesizer tuning system with variable dwell signal seek |
JPS593891B2 (en) * | 1979-01-17 | 1984-01-26 | ソニー株式会社 | Reception detection circuit |
DE2935548C2 (en) * | 1979-09-03 | 1989-07-20 | Saba Gmbh, 7730 Villingen-Schwenningen | Circuit arrangement for setting a receiver to predetermined transmitter frequencies by means of a tunable oscillator |
-
1981
- 1981-11-18 JP JP18362981A patent/JPS5885623A/en active Pending
-
1982
- 1982-11-16 DE DE19823242430 patent/DE3242430A1/en not_active Ceased
- 1982-11-17 FR FR8219212A patent/FR2516721B1/en not_active Expired
- 1982-11-18 GB GB08232883A patent/GB2111335B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2516721B1 (en) | 1986-02-21 |
GB2111335A (en) | 1983-06-29 |
JPS5885623A (en) | 1983-05-23 |
DE3242430A1 (en) | 1983-05-26 |
FR2516721A1 (en) | 1983-05-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |