JPS5795746A - Receiver for multifrequency signal - Google Patents
Receiver for multifrequency signalInfo
- Publication number
- JPS5795746A JPS5795746A JP55171248A JP17124880A JPS5795746A JP S5795746 A JPS5795746 A JP S5795746A JP 55171248 A JP55171248 A JP 55171248A JP 17124880 A JP17124880 A JP 17124880A JP S5795746 A JPS5795746 A JP S5795746A
- Authority
- JP
- Japan
- Prior art keywords
- output
- angular frequency
- adder
- input signal
- window function
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
- H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
- H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55171248A JPS5795746A (en) | 1980-12-04 | 1980-12-04 | Receiver for multifrequency signal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55171248A JPS5795746A (en) | 1980-12-04 | 1980-12-04 | Receiver for multifrequency signal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5795746A true JPS5795746A (en) | 1982-06-14 |
JPH0150151B2 JPH0150151B2 (fr) | 1989-10-27 |
Family
ID=15919790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55171248A Granted JPS5795746A (en) | 1980-12-04 | 1980-12-04 | Receiver for multifrequency signal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5795746A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0440028A2 (fr) * | 1990-01-29 | 1991-08-07 | Dialogic Corporation | Détecteur de tonalités multifréquences |
EP0497115A2 (fr) * | 1991-02-01 | 1992-08-05 | Blaupunkt-Werke GmbH | Récepteur de radiodiffusion avec RDS |
JPH0686338A (ja) * | 1991-12-31 | 1994-03-25 | American Teleph & Telegr Co <Att> | 制御信号検出方法 |
-
1980
- 1980-12-04 JP JP55171248A patent/JPS5795746A/ja active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0440028A2 (fr) * | 1990-01-29 | 1991-08-07 | Dialogic Corporation | Détecteur de tonalités multifréquences |
EP0497115A2 (fr) * | 1991-02-01 | 1992-08-05 | Blaupunkt-Werke GmbH | Récepteur de radiodiffusion avec RDS |
JPH0686338A (ja) * | 1991-12-31 | 1994-03-25 | American Teleph & Telegr Co <Att> | 制御信号検出方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0150151B2 (fr) | 1989-10-27 |
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