| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | JPS6156957B2 - | JP15942180 | 1980-11-14 | JPS6156957B2 | 1986-12-04 | KATAYAMA SUSUMU; INOE HIROMITSU |
| 182 | JPS6013150B2 - | JP12337275 | 1975-10-13 | JPS6013150B2 | 1985-04-05 | NISHIMURA TETSUO; TSUGAWA MASANORI |
| 183 | Azimuth adaptive type phased array sonar | JP16010483 | 1983-08-31 | JPS6052783A | 1985-03-26 | TAKEUCHI YASUTO |
| PURPOSE:To improve the quality of pictures by devising setting of a controller part and tap distribution of a delay circuit with taps to eliminate bad influences of the loss, which is caused by a delay time, and multiple reflection and dispersion which are generated in a delay circuit. CONSTITUTION:A trigger which has the timing controlled by a controller 7 and is generated from a trigger generator 1 is given to a delay map circuit 2a for transmission. In the delay map circuit 2a, delay lines whose number is equal to the number of transducers 4, and the delay quantity of each delay line is controlled by the controller 7, and a delay time distribution is so determined that the deflection angle of a transmitting and receiving beam is a prescribed value. Each of delay map circuits 2a and 2b consists of a delay circuit 11 with taps, a terminal impedance 13, and a cross point switch 12, and terminals in the row direction of the cross point switch 12 are connected to array transducers 4 through a pulser 3 or a receiving amplifier 5, and terminals in the column direction are connected to taps of the delay circuit 11 with taps. | ||||||
| 184 | Beam forming circuit | JP7049183 | 1983-04-21 | JPS59195170A | 1984-11-06 | KATOU JIYUNICHI |
| PURPOSE:To obtain a satisfiable beam forming characteristic by deviating the timing in sampling the output signal of each wave receiving sensor by as much as the time corresponding to a time delay, in a basic sampling period. CONSTITUTION:The output from each wave receiving sensor is supplied to a sample holding circuit 1, by which the output is sampled at a timing d'i. The sampled output is multiplexed by a multiplexer circuit 2 and is fed by a delay quantity equivalent to niT in a register circuit 4 after A/D conversion 3, then a beam output is synthesized by an adder 5. The timing d'i indicates the time delay quantity of each wave receiving sensor within the basic sampling period. A timing circuit 6 generates a pulse d'i and the timing of each part associated thereto and the one period of the memory access thereof coincides with the basic sampling period. The memory step thereof is determined by the quantization accuracy of the time delay. | ||||||
| 185 | Apparatus for ultrasonic detection of matter | JP21510882 | 1982-12-08 | JPS59105584A | 1984-06-18 | NIIMI KENICHIROU; MORITA KIKUZOU |
| PURPOSE:To prevent the contamination generation of an ultrasonic element and the interference generation of ultrasonic waves caused by multiple reflection, by arranging ultrasonic transmitting and receiving ducts each having predetermined constitution to both sides of a triangular wavy shaped sound absorbing body in a predetermined state. CONSTITUTION:L-shaped ultrasonic transmitting and receiving ducts 6, 11 each having a refractive plate 7 mounted therein are arranged to both sides of a triangular wavy shaped sound abosrbing body 16 at an open angle theta so as to bring ultrasonic transmitting and receiving elements 4, 9 to the under side of both ducts 6, 11. By this constitution, the contamination generation of the elements 4, 9 caused by a raindrop or a stain is prevented while the generation of ultrasonic interference caused by multiple reflection and harmful to target detection is prevented because of the inclination of ultrasonic transmitting and receiving wave axes due to the open angle theta with respect to the object 3 to be detected and the sound absorbing body 16. | ||||||
| 186 | Apparatus for ultrasonic detection of matter | JP21510682 | 1982-12-08 | JPS59105582A | 1984-06-18 | NIIMI KENICHIROU; MORITA KIKUZOU |
| PURPOSE:To prevent the contamination of an ultrasonic element and the interference generation of ultrasonic waves caused by multiple reflection, by arranging ultrasonic transmitting and receiving ducts each having predetermined constitution to both sides of a triangular crest-shaped sound absorbing body at a predetermined open angle. CONSTITUTION:L-shaped ultrasonic transmitting and receiving ducts 6, 11 each having a refractive plate 7 mounted therein are arranged to both sides of a triangular mountain shaped sound absorbing body 16 at an open angle theta so as to bring ultrasonic transmitting and receiving elements 4, 9 to the under side of both ducts 5, 11. By this constitution, the contamination of the elements 4, 9 caused by a raindrop or a stain is prevented while the generation of ultrasonic interference harmful to matter detection caused by multiple reflection is prevented because of the inclination of ultrasonic transmitting and receiving wave axes by the open angle theta with respect to the object 3 to be detected and the sound absorbing body 16. | ||||||
| 187 | Apparatus for ultrasonic detection of matter | JP21510382 | 1982-12-08 | JPS59105579A | 1984-06-18 | NIIMI KENICHIROU; MORITA KIKUZOU |
| PURPOSE:To contrive to prevent the staining of ultrasonic transmitting and receiving elements and the generation of ultrasonic interference caused by multiple reflection, by arranging ultrasonic transmitting and receiving ducts each having predetermined constitution to both sides of a circular arc shaped wavy ultrasonic buffer band at a predetermined open angle. CONSTITUTION:L-shaped ultrasonic transmitting and receiving ducts 6, 11 each having a refractive plate 7 mounted therein are arranged to both sides of a circular arc shaped wavy ultrasonic buffer band 15 at a predetermined open angle theta so as to bring ultrasonic transmitter and receiver elements 4, 9 to the under side of the ducts 6, 11. By this constitution, the contamination of the elements 4, 9 caused by a raindrop or a stain is prevented while interference generation resulted in error detection caused by multiple reflection of ultrasonic waves is prevented by the inclination of ultrasonic transmitting and receiving wave axes corresponding to the open angle theta with respect to an object 3 to be detected and the shape of the buffer band 15. | ||||||
| 188 | Ultrasonic pictualization apparatus | JP15402882 | 1982-09-06 | JPS5943353A | 1984-03-10 | ISHII JIYUNICHI; KUBOTA JIYUN; SASAKI SOUJI |
| PURPOSE:To evaluate deficiency appropriately even when the opening requirement is not satisfied fully, by standardizing a mutual correlation value seeking mutual correlation between a ultrasonic receiving signal and a reference ultrasonic receiving signal. CONSTITUTION:An ultrasonic echo signal obtained by scanning over a object 3 to be inspected with a probe 1 is memorized sequentially into a full wave type memory 7 through an A/D converter 4 and a buffer memory 5. The contents of the memory 7 and a reference echo waveform data from a reference echo converter 9 are applied separately to a mutual correlation computing circuit 11 and a self-correlation computing circuit 12 to determine a mutual correlation value, which then is standardized with a standardization circuit 13. The mutual correlation value thus standardized is stored into video RAM11 as luminance modulating signal and then, applied to a CRT display 20. This enables appropriate evaluation of deficiency even when the opening requirement is not satified fully. | ||||||
| 189 | Float for fish finder | JP6009482 | 1982-04-09 | JPS58176565A | 1983-10-17 | SAKURAI YOSHIKUNI |
| PURPOSE:To eliminate the influence of disturbance such as bubbles generated owing to the sailing of a ship, by fitting a transducer to a float and towing it through a rope, etc. CONSTITUTION:The float body 5 capable of floating on the surface of water at a specific attitude is equipped with a sope lock part 7 for towing the float body through a rope body 6. Further, it has a fitting part 9 for fixedly supporting the transducer 3 of a fish finder at the specific attitude. For this purpose, the transducer 3 is fitted to the float 5 and towed by the sope body 6 such as a rope to set the transducer at sufficient distance from a ship. Consequently, the influence of disturbance such as bubbles generated owing to the sailing of the ship. | ||||||
| 190 | Supersonic pulse detector | JP15942180 | 1980-11-14 | JPS5784374A | 1982-05-26 | KATAYAMA SUSUMU; INOUE HITEMITSU |
| PURPOSE:To permit an increase of the connection number of individual ultrasonic pulse detectors by an arrangement wherein the supersonic pulse detectors belonging to any one of groups are connected to different synchronous lines in each group, respectively, and a synchronous circuit is inserted between each pair of adjacent synchronous lines. CONSTITUTION:Individual ultrasonic pulse detectors A11, A12...A21, A22...Am1, Am2... belonging to any one of groups are connected to different synchronous lines L1, L2,...Lm in each group, respectively. Emitter follower circuits including transistors Tr11, Tr12, Tr21, Tr22,...Tr(m-1).1, Tr(m-1).2 which have bases connected to the corresponding synchronous lines L1, L2,...Lm and at the same time each connected to emitter of the other transistor of each pair are inserted as synchronous circuits B1, B2,...Bm between the respective synchronous lines L1, L2,... Lm. | ||||||
| 191 | Display processing circuit for passive sonar | JP4250980 | 1980-03-31 | JPS56138260A | 1981-10-28 | TODA SHIYUNICHI |
| PURPOSE:To detect a weak target signal more exactly by providing a long operating integrator on the output side of a phasing device, measuring a self-generating noise, subtracting from the output of a detection integrator by use of said output, and displaying its result. CONSTITUTION:A short operating integrator 113a for detecting the target energy, and a long operating integrator 113b for detecting a self-generating noise are provided on the output side of a phasing device 12, and a difference of both these integrator outputs is taken by a subtracter. Only the output of a self-generating noise is obtained from the output of the integrator 113b, therefore a difference between them, that is to say, the output of the subtracter 3 is able to output only the varied portion such as, on the whole, a target or a submarine noise, also a dynamic range of a signal is made narrow, and it is possible to obtain a signal which is able to effectively use the dynamic range of an indicator. According to such a constitution, a weak target signal can be detected more exactly. | ||||||
| 192 | Receiving system of scanning sonar | JP2057280 | 1980-02-22 | JPS56118683A | 1981-09-17 | TAKAHASHI FUKUTAROU |
| PURPOSE:To obtain the echo signal with sufficient intensity in a simple constitution by attenuating one of the outputs of two neighbouring receiving elements by a specified amount, increasing the other by a specified amount, performing mixing process and the like, and correcting the receiving sensitivity. CONSTITUTION:Vibrators Vn...and V'n-1... forming a receiving element group EL are sequentially switched via switches. The signals are received by the neighbouring vibrators Vn... and V'n-1... and supplied to attenuators ATT1A... wherein the signals are attenuated from 100% to 0% of a ganged variable attenuator group GATT and to attenuators ATT2B... wherein the signals are increased from 0% to 100%. The outputs of the GATT are mixed and processed in mixers M1.... In this constitution, e.g., the output E1A of the attenuator ATT1A is virtually shifted to the output E2B, and the phase phi2 is shifted to phi1 by 3 steps. In this way, the vector component of the output is generated. This circuit is actually equivalent to a circuit wherein two additional vibrators are arranged between the neighbouring vibrators. Therefore, the receiving sensitivity can be corrected by the simple constitution, and the sufficiently intense echo signal can be formed. | ||||||
| 193 | Underwater detecting recorder | JP1116380 | 1980-01-31 | JPS56108978A | 1981-08-28 | FUJIWARA JIYUNICHI; MINOHARA KIYOMI; SATOU YUUJI; ISHIDA HIROSHI; KOIZUMI MASAHARU |
| PURPOSE:To change a range of underwater detection freely, by changing a running speed of a recording head by changing over a running mechanism. CONSTITUTION:Ultrasonic-wave pulses are transmitted from transmitter-receiver 1, simultaneously running mechanism 26 runs recording heads 15-17 from one end of recording paper 24 to the other end. Then, AD converter 5 converts the signal that receiver 3 has received into a digital output to supply to recording heads 15-17 via decoder 6. Switch 10 changes over running mechanism 26 to change running speeds of recording heads 15-17, so that the range of underwater detection will be changed. In this case, delay circuits 8 and 9 are optionally changed over corresponding to the switching in running speed. | ||||||
| 194 | Device for receiving an underwater wave motion | JP12337275 | 1975-10-13 | JPS5247761A | 1977-04-15 | NISHIMURA TETSUO; TSUGAWA MASANORI |
| PURPOSE:To separate an extract a direct propagation wave and a reflected propagation wave from a pulse wave signal propagating underwater by converting the signal to an electric signal in a receiver, and delaying the electric signal. | ||||||
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