JPS56149123A - Radio receiver for vehicle - Google Patents
Radio receiver for vehicleInfo
- Publication number
- JPS56149123A JPS56149123A JP5224680A JP5224680A JPS56149123A JP S56149123 A JPS56149123 A JP S56149123A JP 5224680 A JP5224680 A JP 5224680A JP 5224680 A JP5224680 A JP 5224680A JP S56149123 A JPS56149123 A JP S56149123A
- Authority
- JP
- Japan
- Prior art keywords
- lowering
- electric field
- cut
- circuit
- generation
- 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.)
- Pending
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
- H04H40/72—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 for noise suppression
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Noise Elimination (AREA)
- Stereo-Broadcasting Methods (AREA)
Abstract
PURPOSE:To obtain an excellent broadcast reception state by suppressing a decrease in sound volume due to high-cut operation when performing the high-cut operation by detecting the lowering of an electric field level or the generation of echo distortion during reception. CONSTITUTION:If the lowering of an electric field level or the generation of echo distortion occurs during FM broadcast reception, that is detected by high-cut control circuit 8 and high-cut circuit 9 operates to attenuate the high-frequency signal level of the detection output of FM detector 4 according to the lowering of the electric field or the magnitude of the distortion, thereby attenuating a noise component included in the high frequency range. The output of circuit 8, on other hand, puts sound volume control circuit 10 in operation to energize relay coil 11, thereby changing over its contact 12. Consequently, the FM detection output attenuated by a resistance is inputted directly to stereo demodulator 5 without passing through resistance R, so that signal level is increased on the whole to obtain an excellent reception state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5224680A JPS56149123A (en) | 1980-04-22 | 1980-04-22 | Radio receiver for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5224680A JPS56149123A (en) | 1980-04-22 | 1980-04-22 | Radio receiver for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56149123A true JPS56149123A (en) | 1981-11-18 |
Family
ID=12909361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5224680A Pending JPS56149123A (en) | 1980-04-22 | 1980-04-22 | Radio receiver for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56149123A (en) |
-
1980
- 1980-04-22 JP JP5224680A patent/JPS56149123A/en active Pending
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