GB1136341A - Improvements in or relating to multitone code-signal receivers - Google Patents
Improvements in or relating to multitone code-signal receiversInfo
- Publication number
- GB1136341A GB1136341A GB4701366A GB4701366A GB1136341A GB 1136341 A GB1136341 A GB 1136341A GB 4701366 A GB4701366 A GB 4701366A GB 4701366 A GB4701366 A GB 4701366A GB 1136341 A GB1136341 A GB 1136341A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signal
- output
- test device
- code
- control circuit
- 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
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000009499 grossing Methods 0.000 abstract 1
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
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
- H04Q1/453—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling in which m-out-of-n signalling frequencies are transmitted
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Control Of Amplification And Gain Control (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6513752A NL6513752A (enrdf_load_html_response) | 1965-10-23 | 1965-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1136341A true GB1136341A (en) | 1968-12-11 |
Family
ID=19794442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4701366A Expired GB1136341A (en) | 1965-10-23 | 1966-10-20 | Improvements in or relating to multitone code-signal receivers |
Country Status (8)
Country | Link |
---|---|
AT (1) | AT263091B (enrdf_load_html_response) |
BE (1) | BE688746A (enrdf_load_html_response) |
CH (1) | CH455888A (enrdf_load_html_response) |
DE (1) | DE1487844C3 (enrdf_load_html_response) |
DK (1) | DK118349B (enrdf_load_html_response) |
GB (1) | GB1136341A (enrdf_load_html_response) |
NL (1) | NL6513752A (enrdf_load_html_response) |
SE (1) | SE345946B (enrdf_load_html_response) |
-
1965
- 1965-10-23 NL NL6513752A patent/NL6513752A/xx unknown
-
1966
- 1966-10-19 DE DE19661487844 patent/DE1487844C3/de not_active Expired
- 1966-10-20 DK DK544166A patent/DK118349B/da unknown
- 1966-10-20 AT AT977766A patent/AT263091B/de active
- 1966-10-20 GB GB4701366A patent/GB1136341A/en not_active Expired
- 1966-10-20 SE SE1430866A patent/SE345946B/xx unknown
- 1966-10-20 CH CH1520566A patent/CH455888A/de unknown
- 1966-10-21 BE BE688746D patent/BE688746A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1487844C3 (de) | 1975-08-07 |
CH455888A (de) | 1968-05-15 |
NL6513752A (enrdf_load_html_response) | 1967-04-24 |
BE688746A (enrdf_load_html_response) | 1967-04-21 |
AT263091B (de) | 1968-07-10 |
DE1487844B2 (de) | 1975-01-02 |
DE1487844A1 (de) | 1969-01-23 |
SE345946B (enrdf_load_html_response) | 1972-06-12 |
DK118349B (da) | 1970-08-10 |
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