JPS6240896B2 - - Google Patents
Info
- Publication number
- JPS6240896B2 JPS6240896B2 JP20470781A JP20470781A JPS6240896B2 JP S6240896 B2 JPS6240896 B2 JP S6240896B2 JP 20470781 A JP20470781 A JP 20470781A JP 20470781 A JP20470781 A JP 20470781A JP S6240896 B2 JPS6240896 B2 JP S6240896B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- signal
- frequency
- circuit
- 38khz
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims 1
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 239000002131 composite material Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 2
- 101100042630 Caenorhabditis elegans sin-3 gene Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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
- H04H40/54—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 generating subcarriers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
- H03D1/2236—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using a phase locked loop
-
- 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
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1653—Detection of the presence of stereo signals and pilot signal regeneration
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Stereo-Broadcasting Methods (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20470781A JPS58105646A (ja) | 1981-12-18 | 1981-12-18 | ステレオチユ−ナにおけるサブキヤリヤ信号発生装置 |
US06/450,174 US4506376A (en) | 1981-12-17 | 1982-12-16 | Subcarrier signal generator for use in stereo tuners |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20470781A JPS58105646A (ja) | 1981-12-18 | 1981-12-18 | ステレオチユ−ナにおけるサブキヤリヤ信号発生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58105646A JPS58105646A (ja) | 1983-06-23 |
JPS6240896B2 true JPS6240896B2 (lv) | 1987-08-31 |
Family
ID=16494976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20470781A Granted JPS58105646A (ja) | 1981-12-17 | 1981-12-18 | ステレオチユ−ナにおけるサブキヤリヤ信号発生装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58105646A (lv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5448046A (en) * | 1987-12-28 | 1995-09-05 | Symbol Technologies, Inc. | Arrangement for and method of expediting commercial product transactions at a point-of-sale site |
US5254844A (en) * | 1988-05-11 | 1993-10-19 | Symbol Technologies, Inc. | Mirrorless scanners with movable laser, optical and sensor components |
-
1981
- 1981-12-18 JP JP20470781A patent/JPS58105646A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58105646A (ja) | 1983-06-23 |
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