JPS5057114A - - Google Patents
Info
- Publication number
- JPS5057114A JPS5057114A JP48105201A JP10520173A JPS5057114A JP S5057114 A JPS5057114 A JP S5057114A JP 48105201 A JP48105201 A JP 48105201A JP 10520173 A JP10520173 A JP 10520173A JP S5057114 A JPS5057114 A JP S5057114A
- 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.)
- Granted
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
- H03J7/18—Automatic scanning over a band of frequencies
- H03J7/20—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element
- H03J7/28—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers
- H03J7/285—Automatic scanning over a band of frequencies where the scanning is accomplished by varying the electrical characteristics of a non-mechanically adjustable element using counters or frequency dividers the counter or frequency divider being used in a phase locked loop
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Noise Elimination (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10520173A JPS5435728B2 (enExample) | 1973-09-18 | 1973-09-18 | |
| US05/506,101 US3950702A (en) | 1973-09-18 | 1974-09-16 | Circuits for detecting trigger signals for use in synthesizing type receivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10520173A JPS5435728B2 (enExample) | 1973-09-18 | 1973-09-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5057114A true JPS5057114A (enExample) | 1975-05-19 |
| JPS5435728B2 JPS5435728B2 (enExample) | 1979-11-05 |
Family
ID=14401038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10520173A Expired JPS5435728B2 (enExample) | 1973-09-18 | 1973-09-18 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3950702A (enExample) |
| JP (1) | JPS5435728B2 (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53113413A (en) * | 1977-03-15 | 1978-10-03 | Sanyo Electric Co Ltd | Receiver with automatic tuning |
| JPS54143119U (enExample) * | 1978-03-28 | 1979-10-04 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4207522A (en) * | 1977-04-25 | 1980-06-10 | Housholder Arthur E | Programmable frequency scanning radio system |
| US5471488A (en) * | 1994-04-05 | 1995-11-28 | International Business Machines Corporation | Clock fault detection circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3466550A (en) * | 1965-12-06 | 1969-09-09 | Digitronics Corp | Frequency-to-voltage converter |
| US3482166A (en) * | 1967-05-29 | 1969-12-02 | Motorola Inc | Multi-frequency receiver with automatic monitoring of channels with one channel having priority |
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1973
- 1973-09-18 JP JP10520173A patent/JPS5435728B2/ja not_active Expired
-
1974
- 1974-09-16 US US05/506,101 patent/US3950702A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53113413A (en) * | 1977-03-15 | 1978-10-03 | Sanyo Electric Co Ltd | Receiver with automatic tuning |
| JPS54143119U (enExample) * | 1978-03-28 | 1979-10-04 |
Also Published As
| Publication number | Publication date |
|---|---|
| US3950702A (en) | 1976-04-13 |
| JPS5435728B2 (enExample) | 1979-11-05 |