IE41753L - Speech immunity arrangement - Google Patents
Speech immunity arrangementInfo
- Publication number
- IE41753L IE41753L IE224575A IE224575A IE41753L IE 41753 L IE41753 L IE 41753L IE 224575 A IE224575 A IE 224575A IE 224575 A IE224575 A IE 224575A IE 41753 L IE41753 L IE 41753L
- Authority
- IE
- Ireland
- Prior art keywords
- arrangement
- speech immunity
- immunity
- speech
- immunity arrangement
- Prior art date
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
- H04Q1/46—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies comprising means for distinguishing between a signalling current of predetermined frequency and a complex current containing that frequency, e.g. speech current
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4674574A GB1479166A (en) | 1974-10-29 | 1974-10-29 | Voice frequency receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
IE41753L true IE41753L (en) | 1976-04-29 |
IE41753B1 IE41753B1 (en) | 1980-03-12 |
Family
ID=10442428
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IE224575A IE41753B1 (en) | 1974-10-29 | 1975-10-15 | Improvements in or relating to voice frequency receiver |
Country Status (3)
Country | Link |
---|---|
GB (1) | GB1479166A (en) |
HK (1) | HK5978A (en) |
IE (1) | IE41753B1 (en) |
-
1974
- 1974-10-29 GB GB4674574A patent/GB1479166A/en not_active Expired
-
1975
- 1975-10-15 IE IE224575A patent/IE41753B1/en unknown
-
1978
- 1978-01-26 HK HK5978A patent/HK5978A/en unknown
Also Published As
Publication number | Publication date |
---|---|
IE41753B1 (en) | 1980-03-12 |
GB1479166A (en) | 1977-07-06 |
HK5978A (en) | 1978-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CS161875A2 (en) | Vlakenny koncentrat pro vyztuzovani plastickych hmot zejmena pneumatik | |
JPS511905A (en) | M sokoryuki | |
AU8166575A (en) | 11-deoxy-13-dihydro-prostaglandin-9-ketals | |
GB1517972A (en) | 6-methyl-8alpha-cyanomethylergoline i | |
AU8677475A (en) | Phenylethanolamines | |
JPS5162206A (en) | V gataenjin | |
AU8349775A (en) | Beer-wort | |
AU8270675A (en) | 17-beta-hydroxy-androst-4-en-3-ones | |
AU7973175A (en) | Pyroscrubber | |
JPS5111806A (en) | Seramitsukutaino seiho | |
JPS5112906A (en) | Mokuseihinno v katsutomentorikoho | |
AU8582275A (en) | Aptiperspirant | |
JPS512598A (en) | L gataseikeihinno ketsusokusochi | |
AU8421275A (en) | D-homo-steroids | |
AU8446875A (en) | Diisocyanatodiketenes | |
AU8427775A (en) | Thieno- and furanopyridines | |
IE41753L (en) | Speech immunity arrangement | |
JPS5126293A (en) | L rijinnoseizoho | |
JPS5113048A (en) | L gatadanmenpisutonringu | |
JPS5124852A (en) | Deruta m hoshikianarogumemori | |
AU8552175A (en) | Trisazodyestuffs | |
AU8472375A (en) | Thiamindisulphide-orotate | |
AU8421375A (en) | D-homo-steroids | |
JPS5170880A (en) | l ringosannoseiho | |
JPS5126292A (en) | L roishinnoseizoho |