JPS54114023A - Digital multi-frequency receiver - Google Patents
Digital multi-frequency receiverInfo
- Publication number
- JPS54114023A JPS54114023A JP2075278A JP2075278A JPS54114023A JP S54114023 A JPS54114023 A JP S54114023A JP 2075278 A JP2075278 A JP 2075278A JP 2075278 A JP2075278 A JP 2075278A JP S54114023 A JPS54114023 A JP S54114023A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- receiver
- sec
- converter
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2075278A JPS54114023A (en) | 1978-02-24 | 1978-02-24 | Digital multi-frequency receiver |
US06/012,507 US4245325A (en) | 1978-02-24 | 1979-02-15 | Digital multifrequency signalling receiver |
SE7901642A SE429389B (sv) | 1978-02-24 | 1979-02-23 | Digitalt flerfrekvenssignaleringsmottagarsystem |
CA322,210A CA1110349A (en) | 1978-02-24 | 1979-02-23 | Digital multifrequency signalling receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2075278A JPS54114023A (en) | 1978-02-24 | 1978-02-24 | Digital multi-frequency receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54114023A true JPS54114023A (en) | 1979-09-05 |
Family
ID=12035909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2075278A Pending JPS54114023A (en) | 1978-02-24 | 1978-02-24 | Digital multi-frequency receiver |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54114023A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110677370A (zh) * | 2019-12-05 | 2020-01-10 | 深圳市鼎阳科技股份有限公司 | 多载波调制方法、装置和可读存储介质 |
-
1978
- 1978-02-24 JP JP2075278A patent/JPS54114023A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110677370A (zh) * | 2019-12-05 | 2020-01-10 | 深圳市鼎阳科技股份有限公司 | 多载波调制方法、装置和可读存储介质 |
CN110677370B (zh) * | 2019-12-05 | 2020-03-31 | 深圳市鼎阳科技股份有限公司 | 多载波调制方法、装置和计算机可读存储介质 |
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