| Document |
Document Title |
|
JPS5348508U |
|
|
JPS5341594U |
|
|
JPS539318Y2 |
|
|
JPS539344Y2 |
|
|
JPS539210Y2 |
|
|
JPS5323201A |
|
|
JPS5322673U |
|
|
JPS538946U |
|
|
JPS532508Y2 |
|
|
JPS534410A |
|
|
JPS52151730U |
|
|
JPS5241434B1 |
|
|
JPS5240391B2 |
|
|
JPS52119801A |
PURPOSE: To provide a fixed type underwater sound detector (hydrophone) of low cost which can be constructed with facility, by eliminating the connecting cable between the fixed stalion and the base station, thereby reducing the system c...
|
|
JPS5238889B2 |
|
|
JPS52116915U |
|
|
JPS52112821U |
|
|
JPS52109823U |
|
|
JPS52108923U |
|
|
JPS52106132U |
|
|
JPS5286761A |
1513200 Underwater telephony EFA ELEKTROFUNKGERATE AG 15 Dec 1976 [17 Dec 1975] 52327/76 Heading G4F In an underwater telephone transmitter two monostable RC multivibrator circuits are interconnected, the microphone electric output is fe...
|
|
JPS5230475Y2 |
|
|
JPS5282601A |
A lock-in filter that may be used to detect an AC data signal in the presence of high level noise signals that may occur in such systems as those used for acoustical telemetry in boreholes includes a pair of parallel capacitors receptive...
|
|
JPS5284171U |
|
|
JPS5281823U |
|
|
JPS5225716Y2 |
|
|
JPS5276318U |
|
|
JPS5276319U |
|
|
JPS5267904A |
An acoustic communication system is disclosed as a secondary means for command control of underwater operations from a surface unit. The system includes a diving acoustic command control unit for use in the event of prime propagation pat...
|
|
JPS5266322A |
PURPOSE: Strobe pulses to be supplied to the decorder are generated from the output pulse of the pulse generator and periodically-supplied pulse signals, thereby completely eliminating adverse effects by noises and reflected waves.
|
|
JPS5266172A |
|
|
JPS5219972B2 |
|
|
JPS5263357A |
PURPOSE: To prevent the erroneous measure due to the noise in the sea, by making the fixed gate of the receiving pulse after the third at least as for the pulse generated corresponding to the receiving pulse interval by the signal proces...
|
|
JPS5268969U |
|
|
JPS5217969B2 |
|
|
JPS5265790U |
|
|
JPS5258631U |
|
|
JPS5211442Y2 |
|
|
JPS5210247Y2 |
|
|
JPS5226855U |
|
|
JPS5210724U |
|
|
JPS526411A |
PURPOSE: Selection of an optional channel on the TV receiver by two steps of operation of the operation signal generator.
|
|
JPS521998Y2 |
|
|
JPS522099U |
|
|
JPS52101A |
PURPOSE: To transmit a great deal of information with compact and light device by converting an electric signal converted from an acoustic signal to a light with fiber as a transmission line.
|
|
JPS51158722U |
|
|
JPS51154693U |
|
|
JPS51139704A |
PURPOSE: In a surface wave line using a dielectric, a bending line is formed by use of a reflector disposed in the bending portion thereof, thereby reducing the losses due to dielectric loss.
|
|
JPS51138102A |
PURPOSE: To set a signal for each digit in M-series signal (for reference wave) by means of a fixed circuit for one sequence and perform signal detection with the use of the product obtained for each digit between the fixed reference wav...
|
|
JPS51145919U |
|
