FR83996E - Voice frequency receiver - Google Patents
Voice frequency receiverInfo
- Publication number
- FR83996E FR83996E FR941600A FR941600A FR83996E FR 83996 E FR83996 E FR 83996E FR 941600 A FR941600 A FR 941600A FR 941600 A FR941600 A FR 941600A FR 83996 E FR83996 E FR 83996E
- Authority
- FR
- France
- Prior art keywords
- frequency receiver
- voice frequency
- voice
- receiver
- frequency
- 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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR941600A FR83996E (en) | 1963-07-16 | 1963-07-16 | Voice frequency receiver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR941600A FR83996E (en) | 1963-07-16 | 1963-07-16 | Voice frequency receiver |
Publications (1)
Publication Number | Publication Date |
---|---|
FR83996E true FR83996E (en) | 1964-11-06 |
Family
ID=8808412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR941600A Expired FR83996E (en) | 1963-07-16 | 1963-07-16 | Voice frequency receiver |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR83996E (en) |
-
1963
- 1963-07-16 FR FR941600A patent/FR83996E/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1397060A (en) | Digital microphone | |
FR1397097A (en) | Static frequency converter | |
CH424831A (en) | Chiller | |
FR1339209A (en) | Voice frequency receiver | |
AT247437B (en) | speaker | |
CH424830A (en) | Chiller | |
CH424834A (en) | Chiller | |
FR1425650A (en) | Magnetostriction acoustic receiver | |
CH445560A (en) | Television receiver | |
FR1365676A (en) | Condenser microphone | |
NL149960B (en) | FREQUENCY MULTIPLER. | |
FR83974E (en) | Voice frequency receiver | |
AT237062B (en) | Sound receiver | |
AT249115B (en) | Frequency discriminator | |
FR1421674A (en) | Frequency discriminator | |
FR85566E (en) | Voice frequency receiver | |
FR83996E (en) | Voice frequency receiver | |
FR86965E (en) | Voice frequency receiver | |
FR83986E (en) | Voice frequency receiver | |
AT244406B (en) | Blocking transducer | |
AT235918B (en) | Electroacoustic converter | |
CH407233A (en) | Electroacoustic converter | |
FR1354631A (en) | Electroacoustic transducer | |
CH426953A (en) | Adjustable frequency divider | |
FR1375246A (en) | Stato-dynamic speaker |