baber/WOPTO huggingface dataset:
Patent KR-100215082-B1 (KR)
Inventor: YOKOYAMA YUJI
IPC: G11C7/10
Filed: 1991-10-29
Granted: 1999-08-16
Abstract: 반도체 메모리의 입력버퍼 회로에 적합한 비반전 버퍼회로 장치가 논리 게이트단의 수를 줄일 수 있도록 제공되어 반도체 메모리의 고속 작동을 실현한다. 상기 비반전 버퍼회로장치는 입력단의 MOS 트랜지스터가 입력 디지탈 신호와 같은 논리 레벨에서 신호를 발생하기 위해 출력단에서 바이폴라 트랜지스터를 구동하는 방식과, 상기 바이폴라 트랜지스터를 구동하는 방식과, 상기 바이폴라 트랜지스터의 베이스와 콜랙터 사이에서 병렬로 연결된 n-채널 MOS 트랜지스터와 p-채널 MOS 트랜지스터가 각각 입력디지탈 신호의 반전신호와 그것의 비반전 신호에 의해 온-오프 제어되는 방식으로 설계된다. 다른 실시예에서, 입력 버퍼회로는 셋 모드에서 입력신호를 반전하여 출력하고, 리셋모드에서 소정의 포텐셜로 신호를 출력하기 위한 반전신호 출력회로와, 셋모드에서 비반전 상태로 입력신호를 출력하고 리셋모드에서 소정의 포텐셜로 신호를 출력하기 위한 비반전된 신호출력회로를 포함한다. 
     상기 반전된 신호출력 회로는 이것의 콜렉터 포텐셜에서 출력신호를 발생하는 바이폴라 트랜지스터와, 상기 바이폴라 트랜지스터에 콜렉터 전류의 공급을 제어하기 위한 제 1스위칭회로와, 입력신호에 따라 바이폴라 트랜지스터에 베이스 전류를 공급하기 위해 바이폴라 트랜지스터의 베이스와 콜렉터 사이에 병렬로 연결된 n-채널 MOS 트랜지스터와, 상기 바이폴라 트랜지스터에 베이스 전류의 공급을 제어하기 위해 제 2스위칭 회로를 포함하고, 상기 제 1스위칭 회로와 상기 제 2스위칭 회로는 선택적으로 온-오프 제어된다.
Patent KR-930007636-B1 (KR)
Title: Pipe cable sleeve
Inventor: CHE JONG-CHOL
IPC: B29C61/10
Filed: 1991-10-31
Granted: 1993-08-14
Abstract: The heat shrinkable sleeve for the connection of a tube and a cable is mfd. by (a) forming hollow rails (2,3) on both  sides  of the heat  shrinkable  sleeve  (1)  to  stand  each   other,   (b) interposing a sealing article (4) into the rail (2),  and  winding up it, (c) inserting the rail (2) in  the  opened  rail  (3),  (d) joining a C-type channel to the outside of the rail (3),  and  (e) compress-binding the double hollow rails (2,3) between the channel (5) and the sealing article (4)  by  the  heat  shrinkage  of  the sleeve (1).
Patent KR-940004114-B1 (KR)
Title: Method of controlling sound of air conditioner
Inventor: HWANG KUN-BAE
IPC: F24F13/24
Filed: 1991-12-11
Granted: 1994-05-13
Abstract: a speaker controlling means for receiving control signals of a discharge grid and a vertical grid to alternately control two speakers while varying the volume of wind sound; a grid controlling means for always resetting first and second step motors at the initial stage and moving the grids to the initial position to operate the grids by the step motors; a speaker sound volume controlling means for controlling the sound volume of the two speakers by detecting the position of the grids, there actively controlling noise regardless of the direction of air.
Patent KR-950004360-B1 (KR)
Title: Sampler of synthetic film for mechanical property survey
Inventor: CHOI BYONG-HO
IPC: G01N1/04
Filed: 1991-12-21
Granted: 1995-04-28
Abstract: The device for optionally controlling the size of the sample and cutting the sample to a uniform size, comprises a winding roll (A) for winding the measuring film, having the lengthwise groove (1) and the crosswise groove (2); a lengthwise film-cutting device (B) including a holder (9) for fixing the edge (8), moviable bar (10) for moving the holder in the crosswise direction, a means for lifting the bar (10); a crosswise film-cutting device (C) including a holder (17) for fixing the edge (16), a means for freely moving the holder (17).
Patent KR-940008379-B1 (KR)
Title: Vacuum thermal treating apparatus
Inventor: KIM SANG-KI
IPC: H01L21/324
Filed: 1991-12-28
Granted: 1994-09-12
Abstract: The apparatus is useful to form ultra very thin films by removing the contaminated sources in the semiconductor process. The apparatus comprises (A) a long chamber (1); (B) a short halogen lamp (2) connected to the outlet (6); (C) a coolant line (4) surrounding the outer lamp; (D) baffles (12) formed alternately inside the chamber; (E) an oil filter (13) to remove impurities; (F) a vacuum pump (15) connected the oil filter through clamps (14).
Patent KR-940004563-B1 (KR)
Title: Operating device of mannequin
Inventor: KANG MYONG-SU
IPC: A47F5/025
Filed: 1992-03-19
Granted: 1994-05-25
Abstract: The driver is disclosed in which a speed reducer is operatively coupled to a rotation shaft of a driving motor, a rotating plate is mounted on a rotating shaft protruded upward from the speed reducer, a plurality of operation protrusions are installed on the internal circumference of a cylindrical body to accept a rotation ball, a plurality of exhibition operation rod through-holes are formed on the rotating plate, recesses are formed on the back thereof, a rack gear engages with a worm gear of an operation member to which a rotating roller is attached, and the exhibition operation rod is made erect to be rotated with the rack gear, thereby enhancing the effect of exhibition.
Patent KR-950010622-B1 (KR)
Title: Bit line sensing control circuit
Inventor: KIM MYONG-HO
IPC: G11C11/4076
Filed: 1992-05-20
Granted: 1995-09-20
Abstract: The circuit includes first and second memory cell array blocks, a number of bit lines for detecting data stored in the blocks, and a number of memory cells for storing the detected data on the bit lines. First means of which drive is controlled by a first initial clock, controls the detection of the data stored in memory cell connected to one of a number of bit lines belonging to the first block. And a second initial clock is generated from the first initial clock for a set time. Also, second means of which drive is controlled by the second initial clock, controls the detection of the data stored in memory cell connected to one of a number of bit lines belonging to the second block.
Patent KR-940004691-B1 (KR)
Title: Method of preparing polyester filament fiber having a thick denier
Inventor: YU KIL-DONG
IPC: D01D5/088
Filed: 1992-05-30
Granted: 1994-05-27
Abstract: The method, utilizing the conventional melt-spinning, take-up method, is characterized by: setting the quenching chamber of length of 120-200 cm and the support quenching chamber of length of 40-80 cm, in a way that the upper part of the support chamber is placed overlapped at the opposite position with the lower part of the quenching chamber at the overlapping length of 10-30 cm to improve the quenching effect of the extruded fiber; and setting the tension bar between the separating roller and the fiber-converging guide to control the fiber tension.
Patent KR-950010480-B1 (KR)
Title: Keypone system and general phone interface device
Inventor: MUN KWANG-YOL
IPC: H04M1/00
Filed: 1992-09-02
Granted: 1995-09-18
Abstract: The apparatus comprises a central processing unit, a central processing unit resetting unit, power, a sound transmission/reception unit, a call circuit switching unit, a first sound combining unit, a loop sensing unit, a signal tone generating unit, a DTMF signal receiving unit, a data transmission/reception unit, a data transmission unit, a data comparison unit, a second sound combining unit, a call signal generating unit, and an outputting unit.
Patent KR-950008418-B1 (KR)
Title: Protecting film manufacturing method of magneto resistive device
Inventor: JI JUN-POM
IPC: H01L43/00
Filed: 1992-11-13
Granted: 1995-07-28
Abstract: The method comprises the steps of; forming a magnetic film having a pattern of magnetic resistor element on the surface of a substrate; forming electric gilding layer on the surface of the magnetic film, forming a protective film of SiO2 on the region of the substrate excluding electrodes by a screen printing, doping epoxy resin on the protection film of SiO2 layer, and forming solder on the upper of the electric gilding layer of the electrode part.
Patent KR-960016860-B1 (KR)
Title: Dicyano compound
Inventor: KIM SANG-YOUL
IPC: C07C265/14
Filed: 1992-12-26
Granted: 1996-12-23
Abstract: The dicyano compound is represented by the following general formula(I). In this formula, X is hydrogen, methyl, cyano, fluorine, chlorine, C1-C15 of alkyl, cycloalkyl, perfluoroalkyl or perfluoroaryl, Y is ester, amide, ether, amino or carbonate, R is C1-C15 of aminoalkyl, aminocycloalkylaryl, aminoaryl, oxyalkyl, oxycycloalkyl, oxyaryl, thioalkyl, thioaryl or thiocycloalkyl or single bond, Z is hydrogen, methyl or C1-C15 of alkyl, cycloalkyl, aryl, perchloroaryl, perchloroalkyl, hydroxyaryl, aminoaryl, alkoxyaryl or azoxyaryl. The compound is used for a material of piezoelectricity or pyroelectricity.
Patent KR-960011363-B1 (KR)
Title: Soil transportation system
Inventor: KANG KI-WON
IPC: E02B3/18
Filed: 1993-02-11
Granted: 1996-08-22
Abstract: The system features a caterpillar to provide soil used when a tide embankment is built or discharge soil produced when a tunnel is excavated. The caterpillar scatters earth and sand as it passes on a rail at a small radius of rotation. Although facilities have to move as its work proceeds, a tide embankment can be built on without interception by rearranging a rail easily.
Patent KR-100273882-B1 (KR)
Inventor: KNUTFRECHUR
IPC: H04B1/18
Filed: 1993-03-03
Granted: 2000-12-15
Abstract: 본 발명은 안테나소켓 (A) 및 안테나케이블(6)을 통하여 안테나증폭기(4)의 작동전압을 공급하기 위한 자동차라디오용 회로장치에 관한 것이다. 
     본 회로장치는 확실히 단락되며, 접속된 안테나(5)에 관한 방식 내지는 그의 작동상태에 관한 정보를 취출할 수 있는 신호단자(K2, K3)를 구비한다.
Patent KR-960015243-B1 (KR)
Inventor: BAWKS JAMES R
IPC: F16H48/285
Filed: 1993-03-31
Granted: 1996-11-04
Abstract: 내용없음.
Patent KR-970007472-B1 (KR)
Inventor: NAKAGAWA JUNICHI
IPC: H03L7/085
Filed: 1993-04-22
Granted: 1997-05-09
Abstract: 내용없음.
Patent KR-960011259-B1 (KR)
Title: Analysis method of semiconductor device
Inventor: KOO JUNG-HOE
IPC: H01L21/66
Filed: 1993-05-31
Granted: 1996-08-21
Abstract: The semiconductor device consists of a field oxide film(2), a source/drain region(3), a gate oxide film(4), the first polysilicon(5), the second polysilicon(6), an insulating film(7), and a DRAM structure having the third and fourth poly(8,9). The method includes the steps of: remaining a contact part on a conducting layer of the device(1) to observe a short circuit; removing only an upper storage node wing having a lower layer; displaying the conducting layer of contact pattern throughout three dimension display(SEMF); analyzing the conducting layer.
Patent KR-970006368-B1 (KR)
Inventor: NAKASHIMA YASUHIRO
IPC: F16H59/38
Filed: 1993-06-12
Granted: 1997-04-25
Abstract: 내용 없음.
Patent KR-970009331-B1 (KR)
Title: Method for manufacturing the polyetherester block copolymer
Inventor: LIM DAE-WOO
IPC: C08G69/00
Filed: 1993-07-08
Granted: 1997-06-10
Abstract: Polyether ester block copolymer is prepared by (1) using polybutylene terephthalate system polyester as hard segment and polyoxybutylene glycol system polyether as soft segment, adding 0.01-0.1mol% of aliphatic diamine indicated as [H2N-R-NH2  to dimethyltelephthlate, (2) combining 0.01-2wt% of stearinic metal salt as organic crystal nuclear agent to polymer and copolymer. The produced polyether ester block copolymer improves the adhesive power of crystal and elastic power so that crystal structure is not easily broken when radiated. In the formula, R is aliphatic component of C3-C6 indicated as CnH2n.
Patent KR-960001995-B1 (KR)
Title: Fan
Inventor: HONG SUNG-NAM
IPC: F04D25/16
Filed: 1993-07-09
Granted: 1996-02-09
Abstract: Drive pulleys in a motor fan system, are rotated by the rotational force of a drive motor. A power transmission pulley cooperates with a rotating motor shaft by a transmission belt. All the drive belts cooperate by a common belt wrapped around them. Four fans are provided having different current direction. Currents generated return to the system to be recirculated and so are refreshed. The drive motor is separated from the fan to prevent heating. The fan system has improved motor cooling, and reduced noise, and can be used continuously over long periods.
Patent KR-970011471-B1 (KR)
Title: Synthetic leather's manufacturing method
Inventor: NAM BOK-KYU
IPC: D06N3/14
Filed: 1993-07-15
Granted: 1997-07-11
Abstract: A compound fiber(36D) in which nylon-6 is used as an ultra-fine fiber(70B) and polyethylene terephthalate as a bundle of an ultra-fine fiber(30B) is made into a staple of 40-51[mm , the number of bundle 15[inch . To this, carding, cross-lapping and needle punching process are applied to produce a dimensional non woven fabric. From this, polyethyleneterephthalate is completely removed by a sodium hydroxide water solution, dried and bonded by a polyvinylalcohol water solution and is stabilized N-methanolamine and hexamethylene diiso cyanate are mixed in the ratio of 1.2:1 and are reacted in 40 degree C for 3 hours and 50[%  solid substance is obtained. With these ingredients, an artificial leather is produced.
Patent KR-970011855-B1 (KR)
Inventor: HANS SURAMP
Filed: 1993-07-29
Granted: 1997-07-18
Abstract: 없음
Patent KR-0136074-B1 (KR)
Inventor: FURUMOCHI KATSUTO
IPC: G11C11/418
Filed: 1993-09-11
Granted: 1998-06-01
Abstract: 본 발명의 목적은 대기시 소비전력을 줄일 필요가 있을 때 그 소비전력을 줄일 수 있고, 셀에 대한 충분한 소프트 에러저항을 제공할 필요가 있을 때 충분한 소프트 에러 저항이 보장될 수 있는 MOS형 SRAM을 제공하기 위한 것이다. 
     본 발명의 MOS형 SRAM은 상이한 전압치를 갖는 복수의 전압을 발생시키기 위한 전원회로와, 상기 전원 회로로부터 출력되는 복수의 전압으로부터 하나의 전압을 선택하고 상기 선택된 전압을 셀 데이타 유지 전압으로서 셀을 형성하는 플립 플롭에 공급하는 선택회로를 구비한다.
Patent KR-970003381-B1 (KR)
Title: Facsimile system control circuit and method
Inventor: WON YONG-MYUNG
IPC: H04N1/00
Filed: 1993-09-18
Granted: 1997-03-18
Abstract: A simplicity switching communication path control circuit and a method for the facsimile where use the document transmission/receiving function of the facsimile and the plural telephone function of the simplicity switch at the same time, because of controlling the station line of the switch in the facsimile according to the unification of the facsimile and simplicity switching path.
Patent KR-970010319-B1 (KR)
Inventor: SHINJI MIYAUCHI
IPC: F23N5/24
Filed: 1993-10-05
Granted: 1997-06-25
Abstract: 내용없음.
Patent KR-960012418-B1 (KR)
Title: Chill case code
Inventor: BAEK EUI-HYUN
IPC: H04M3/22
Filed: 1993-12-01
Granted: 1996-09-20
Abstract: A device using the method has a hardware having a main memory board(101), a CPU(102), an auxiliary memory unit(104), an input/output unit(105), and an UNIX operating unit(103). The method comprises the steps of; examining an input case label number by using a case label value or case selector value(201,202), examining a certain number of label number(203,205), performing stop after code generation, label value sorting and vector table organizing, or examining label dividing possibility(205,209), organizing a vector table, generating and finishing a dividing vector code(210,214), and generating and finishing a code generation by using organizing balance binary scale tree.
Patent KR-960003832-B1 (KR)
Title: Sleeve
Inventor: LEE JONG-HO
IPC: H02G15/18
Filed: 1993-12-16
Granted: 1996-03-22
Abstract: The composite structural element using a sleeve with heat shrinkage property and a metallic or nonmetallic canister for maintaining a space of connecting portion, comprises a protecting cover(6) or a tape(7) with which the canister(4) and a crown(5) are covered. The cover(6) or the tape(7) is produced with a polymeric material having sequent coefficient of at least 10-2MPa at more than melting point or more than glass transition temperature with stain rate of 5cm/min..
Patent KR-970007377-B1 (KR)
Title: Distinction method for korean cattle by dna polymorphism
Inventor: PARK YONG-HWAN
IPC: C12N15/00
Filed: 1993-12-28
Granted: 1997-05-08
Abstract: This invention is described about the method for discriminating of variety and quality of korean native cattle by the analysis of the difference of characteristic of DNA pleomorphism. Thus, DNA fragment which contains all or any one of base sequance AAGGTCCTAGGGTCCTGGG or eqivalent to this sequance by PCR reaction consists of DNA denaturing process, primer attaching process, DNA synthetic process contacts DNA of cattle at below 41 deg.C for 30-100 sec by using primer or probe, electrophoresis and detects to discriminate korean native cattle between  holstein, hairford and aengus.
Patent KR-0184288-B1 (KR)
Title: Powder inhaler having a multi-positioned metering cup
Inventor: BRAITHWAITE PHILIP W
IPC: A61M13/00
Filed: 1991-07-11
Granted: 1999-04-01
Abstract: The invention provides an inhaler for delivering a substance in a finely divided form from a storage chamber within the inhaler. The inhaler comprises a metering member operable to transfer a dose of the substance from the storage chamber (10) to an inhalation passage (15), the metering member having a frusto-conical metering surface (7) which is indented to provide at least one dispensing cup (8) and being moveable between a first position in which a dispensing cup (8) is presented to the storage chamber (10) to receive a dose of the substance and a second position in which a dose of the substance is presented to the inhalation passage (15) in an upwardly open dispensing cup (8). The body (4) of the inhaler comprises a seat having an annular, frusto-conical contact surface making sliding contact with the metering surface and defining a socket within which the metering member (6) is journalled for rotation between its first and second positions. The use of a frusto-conical metering member allows a good seal to be obtained between it and the seat and also makes the inhaler relatively compact. <IMAGE>
Patent KR-960013524-B1 (KR)
Inventor: SHIGERU BANDO
IPC: C03B33/04
Filed: 1992-08-28
Granted: 1996-10-07
Abstract: 내용 없음.
Patent KR-100221218-B1 (KR)
Title: Method of separating polyethylene and polypropylene
Inventor: INGO STAHL
IPC: B29K23/00
Filed: 1992-07-04
Granted: 1999-09-15
Abstract: PCT No. PCT/EP92/01614 Sec. 371 Date Apr. 9, 1993 Sec. 102(e) Date Apr. 9, 1993 PCT Filed Jul. 4, 1992 PCT Pub. No. WO93/03852 PCT Pub. Date Mar. 4, 1993.Plastic mixtures, in particular those of a similar density such as polyethylene and polypropylene, are separated electrostatically, whereby prior to charging, the mixture is subjected to a surface treatment.
Patent RO-125018-B1 (RO)
Title: Porphyrinic compound for photodynamic therapy of cancer
Inventor: SOCOTEANU RADU-PETRE
IPC: C07D487/22
Filed: 2009-06-17
Abstract: The invention relates to an asymmetrically substituted compound of the tetrapyrrolic heterocycles class, synthesized and optimized for cellular load assays. According to the invention, the product has the chemical structure presented in Fig. 1 and the IUPAC scientific denomination 5-(4-hydroxyphenyl)-10,15,20-tris-(4-carboxymethylphenyl)-21,23-H porphin. The claimed product is employed as singlet oxygen generator, as a tester in the Jurkat human leukemia line, as a tester in the human U937 myeloid line, as a tester in the human HT29 adhering line and in any pharmaceutical conditioning type meant for the treatment of cancer.
Patent RO-128789-B1 (RO)
Title: Direct current converter
Inventor: JURCA IOAN
IPC: H02M3/335
Filed: 2012-02-16
Abstract: The invention relates to a direct current converter for supplying some integrated circuit boards with direct voltages of + 15V and - 15V. According to the invention, the converter consists of an out-of-step magnetic multi-vibrator () which comprises a transformer () and two electronic switches () in connection to which there is mounted a current generator () which is connected, by means of some reaction windings (), with some electrodes for controlling the electronic switches () which, after the alternative current commutation in some primary windings () of the transformer (), produce in a core of the transformer () some sense-complementary magnetic fluxes, case when, in some secondary windings () of the transformer () there occur some variable electric voltages which are rectified by some diodes () and filtered by some condensers (), in the conditions when there are interleaved therebetween some inductors (), and an opto-coupling circuit (), which is in connection to some resistors () of a resistive divider, which provides a voltage proportional to the output voltage, which the reference voltage produced by an integrated circuit () is compared with.
Patent SA-109300432-B1 (SA)
Inventor: EL-SAYED KHALED MOHAMED ALI
Filed: 2009-07-04
Abstract: الملخص يتعلق هذا الجهاز للمساعدة في التخطيط و التحضير لعمليات تقويم العيوب العظمية للفكين ويتكون الجهاز من جزأين متماثلين تماما يربطهم مفصل بسيط فالجزء الأول مخصص لتثبيت موديل أسنان الفك العلوي بينما الجزء الثاني( السفلى) يستخدم لتثبت موديل أسنان الفك السفلى. ويتميز الجهاز بإمكانية تحريك موديل الأسنان (الموديل العلوي أو السفلى) في جميع الاتجاهات الخطية- راسي, أفقي ، جانبي- بالإضافة لجميع الحركات الدائرية. و الجهاز يقيس هذه الحركات بدقة و يمكن الرجوع إلى الوضع الأصلي (قبل إجراء التعديل) مما يتيح إجراء عدة محاولات لتصليح العيب بدون الحاجة لعمل عدة نسخ من الأسنان (موديل).
Patent SA-117390155-B1 (SA)
Inventor: SHAIKHEH AYAD SAHAN ALMOTIRI
Filed: 2017-12-05
Abstract: يتعلق الاختراع الحالي بكرسي متحرك للمناطق الوعرة ،يتكون من قطعتين لتسهيل حركة الكرسي في الأماكن التي يصعب فيها حركته ، (أ) حزام العجلة الخلفية ،و(د) مضاعفة العجلة الأمامية ثلاثة اضعاف ،وقطعة تضاف لإراحة الذراع عند إضافة القطعتين المذكورة سابقاً (ج) وهو مسند مريح لليد ،وقطعة لجعل الإطار اليدوي متحرك قابل للسحب للخارج ،وزيادة مساحته ،والدفع للداخل ،وإنقاص مساحته (ب) وهو الإطار اليدوي القابل للسحب والإرجاع ، حيث أن هذه الأجزاء معاً تزيد من المساحة التي يسير عليها الكرسي المتحرك ،بطريقة مريحة للمعاق ،من خلال زيادة مساحة الإطار اليدوي (ب) بعد زيادة مساحة سطح عجلة الكرسي الخلفية (أ) ،والأمامية(د) ،واراحة يده على المسند المريح لليد(ج) ، شكل ( 1-1).
Patent SA-518390743-B1 (SA)
Title: بنية حاجز توجيه تدفق لقناة
Inventor: PENG WEI
Filed: 2018-01-14
Abstract: بنية حاجز توجيه تدفق لقناة CHANNEL BAFFLE STRUCTURE الملخـــص يتعلق الكشف الحالي ببنية حاجز توجيه تدفق لقناة channel baffle structure، تنتمي إلى المجال الفني للتقنية الميكانيكية للموائع. تشتمل بنية حاجز توجيه التدفق على أنبوب (1)، لوح منظم متأرجح swing check plate وجهاز تشغيل (8)، حيث يُوضع الجزء الرئيسي للوح المنظم المتأرج swing check plate بداخل الأنبوب (1)، ويتم ترتيب جهاز التشغيل (8) خارج الأنبوب (1). بالإضافة إلى ذلك، تشتمل بنية حاجز توجيه التدفق أيضاً على بنية توصيل خاصة مستخدمة لتوصيل جهاز التشغيل (8) واللوح المنظم المتأرجح swing check plate، وبالتحديد، يتم تركيب مفتاح key (14) على عمود الدوران rotating shaft (4)، ويتم على نحو مناظر إعداد مجرى مفتاح حلقي annular keyway (15) بداخل جلبة العمود shaft sleeve (13)، بحيث يكون لدى جلبة العمود (13) تحرك بطيئ لدوران حر 90 درجة حول عمود الدوران the rotating shaft (4). وفقاً للمواضع المختلفة للمفتاح (14) في مجرى المفتاح الحلقي annular keyway (15)، فإنه ليس فقط لدى القناة الخصائص المنفعلة لتحقيق الفتح والإغلاق عن طريق قوة الجاذبية وضغط ال
Patent SA-518400321-B1 (SA)
Title: System and Method for Optimizing Focus of an Optical System Passively
Inventor: ERKAN OKUYAN
Filed: 2018-10-25
Abstract: The present invention relates to the field of computation and covers methods to achieve automatic optical focus on an imaging system, by evaluating sharpness of images obtained for different focus distances. The method for optimizing focus of an optical system passively (100) fundamentally comprises the following steps of; discretizing optical positions (focus distances) w.r.t precision requirements; initializing idle counter to zero, going to initial optical position, initializing best position to current position, clearing sharpness array; calculating correspondence in 2-tuple format; adding sharpness value to sharpness array; calculating longest increasing subsequence on sharpness array; checking if the longest increasing subsequence length increases; clearing idle counter; setting best position to current position (and checking if current position has better quality than best position if necessary); incrementing idle counter; checking if termination threshold is reached; checking i
Patent SA-518400377-B1 (SA)
Title: Treatment fluids for stimulation of subterranean formations
Inventor: ENRIQUE ANTONIO REYES
Filed: 2018-11-05
Abstract: Method comprising introducing a treatment fluid into a subterranean formation, the treatment fluid comprising a pseudo-crosslinking agent and an acidic viscoelastic surfactant (AVS) base fluid, wherein the treatment fluid has a pH of less than 5. The AVS base fluid includes a zwitterionic viscoelastic surfactant, an acidic constituent, and a polar solvent and the zwitterionic viscoelastic surfactant is present in an amount in the range of from about 0.001% to about 15% by weight of active surfactant of the AVS base fluid. The treatment fluid performs a subterranean formation operation.