ES454180A1 - Perfeccionamientos en los sistemas para la emision subacuati-ca de oscilaciones moduladas en frecuencia. - Google Patents
Perfeccionamientos en los sistemas para la emision subacuati-ca de oscilaciones moduladas en frecuencia.Info
- Publication number
- ES454180A1 ES454180A1 ES454180A ES454180A ES454180A1 ES 454180 A1 ES454180 A1 ES 454180A1 ES 454180 A ES454180 A ES 454180A ES 454180 A ES454180 A ES 454180A ES 454180 A1 ES454180 A1 ES 454180A1
- Authority
- ES
- Spain
- Prior art keywords
- multivibrator
- translation
- systems
- machine
- legally binding
- 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
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physical Water Treatments (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1634875A CH588789A5 (US20090182215A1-20090716-C00004.png) | 1975-12-17 | 1975-12-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES454180A1 true ES454180A1 (es) | 1977-12-01 |
Family
ID=4416556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES454180A Expired ES454180A1 (es) | 1975-12-17 | 1976-12-13 | Perfeccionamientos en los sistemas para la emision subacuati-ca de oscilaciones moduladas en frecuencia. |
Country Status (13)
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5413748U (US20090182215A1-20090716-C00004.png) * | 1977-06-30 | 1979-01-29 | ||
GB2119980B (en) * | 1982-05-11 | 1985-10-16 | Madelyn Carrol Freeman | A device for use by a diver to give a signal |
BR9107194A (pt) * | 1991-01-04 | 1994-06-14 | Brosow Joergen | Processo e dispositivo para a transmissao de um sinal de informaçao |
-
1975
- 1975-12-17 CH CH1634875A patent/CH588789A5/xx not_active IP Right Cessation
-
1976
- 1976-12-08 FR FR7636988A patent/FR2336006A1/fr active Granted
- 1976-12-09 ZA ZA767342A patent/ZA767342B/xx unknown
- 1976-12-10 AU AU20464/76A patent/AU504754B2/en not_active Expired
- 1976-12-13 NL NL7613846A patent/NL7613846A/xx not_active Application Discontinuation
- 1976-12-13 ES ES454180A patent/ES454180A1/es not_active Expired
- 1976-12-14 FI FI763585A patent/FI763585A/fi not_active Application Discontinuation
- 1976-12-14 NO NO764241A patent/NO764241L/no unknown
- 1976-12-15 GB GB52327/76A patent/GB1513200A/en not_active Expired
- 1976-12-16 DK DK565876A patent/DK565876A/da not_active Application Discontinuation
- 1976-12-16 BR BR7608462A patent/BR7608462A/pt unknown
- 1976-12-16 DE DE19762656969 patent/DE2656969A1/de not_active Withdrawn
- 1976-12-16 JP JP15183076A patent/JPS5286761A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2336006B3 (US20090182215A1-20090716-C00004.png) | 1979-01-19 |
DE2656969A1 (de) | 1977-07-07 |
JPS5286761A (en) | 1977-07-19 |
DK565876A (da) | 1977-06-18 |
NO764241L (US20090182215A1-20090716-C00004.png) | 1977-06-20 |
FI763585A (US20090182215A1-20090716-C00004.png) | 1977-06-18 |
AU2046476A (en) | 1978-06-15 |
CH588789A5 (US20090182215A1-20090716-C00004.png) | 1977-06-15 |
AU504754B2 (en) | 1979-10-25 |
BR7608462A (pt) | 1977-11-29 |
ZA767342B (en) | 1977-11-30 |
GB1513200A (en) | 1978-06-07 |
NL7613846A (nl) | 1977-06-21 |
FR2336006A1 (fr) | 1977-07-15 |
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