baber/WOPTO huggingface dataset:
Patent KR-940004577-B1 (KR)
Title: Expanded interface system
Inventor: LEE MYONG-SU
IPC: G06F13/14
Filed: 1992-02-10
Granted: 1994-05-25
Abstract: The extended interface system for connecting a main controller to an external device using a PC includes an interface card connected to the PC by a slot, an oscillator connected to the interface card, a digital-FSK (Frequency Shift Keying) signal converter connected to the interface card to convert a digital signal to a FSK signal, an output circuit connected to the digital-FSK signal converter, a transmitting and receiving input/output terminal connected to the output circuit, a receiving circuit connected to the transmitting and receiving input/output terminal, a FSK-digital signal converter connected to the receiving circuit to convert the FSK signal to the digital signal, and a transmitting controllor connected to the interface card to control the output circuit, thereby connecting the main controller to the external device irrespective of external noise.
Patent KR-950004287-B1 (KR)
Title: Supplying water & pumping out valve of opening & shutting the use of motor
Inventor: SONG MUN-YONG
IPC: D06F39/08
Filed: 1992-03-18
Granted: 1995-04-28
Abstract: A synchronous motor, which is pref. applied in opening and closing a supply-discharge valve of a washing machine, comprises a motor housing (2), a driving bobbin (5), a rotor (1) having a shaft with a small gear (4b) to be meshed with a lower clutch gear (11), a base plate (8) having a number of gear shafts (8a-8d), a lower case member (19) receiving a circuit board (20) with an electric cord (21), an upper case (28) and a lever member (30) having an operation rope (29) connected with a valve stem. The lever member with the rope may be rotated by a serial gear system in which the small gear, a lower clutch gear (11), an upper clutch gear (13), a connection gear (15), a middle gear (16), an idler gear (17) and a main gear (18) receiving the lever member are sequentially meshed with each other.
Patent KR-950008033-B1 (KR)
Title: Apparatus and method for controlling tension of winding wire
Inventor: SON IN-CHOL
IPC: B65H77/00
Filed: 1992-08-19
Granted: 1995-07-24
Abstract: An appts. which controls the tension of a yarn fed to a bobbin by means of compensating for speed differences between the linear speed of yarn and the winding speed of the bobbin, comprises an encoder (1) for detecting the linear speed of yarn, a proximity sensor (2) for producing one contact signal according to one revolution of the bobbin, through which an amount of wound yarn may be measured, a ball-screw set (3) for arranging the winding yarn on right and left, a micro-processor (6) including a key pad (4) and a display device (5) for setting both the predetermined speed of yarn and the amount of wound yarn, and a couple of induction motors (8, 8') which are selectively rotated in a proper r.p.m. speed by a traverse inverter (7) and a spindle inverter (7') resp., generating an A.C. output according to the control of the micro-processor.
Patent KR-0125094-B1 (KR)
Inventor: HOCK LWEE NAI
IPC: G06F1/16
Filed: 1992-09-09
Granted: 1997-12-15
Abstract: 메모리 카드와 HDD 패키지에 대해 겸용 가능한 커넥터 장치(1)는 하우징(22)에 커넥터 바디(24)가 연결되어서 이루어진다. 하우징(22) 내부의 수납 공간에는 1대의 HDD 패키지를 수납할 수 있다. 이 수납 공간은 하우징(22)의 측벽(26)의 중간 높이 위치의 안내 부재(27)를 경계로 하여 상부 수납 공간(27a)와 하부 수납 공간(22b)로 분할된다. 하우징(22)에 HDD 패키지가 수납되어 있지 않는 경우에는 상부 및 하부 수납 공간(22a 및 22b)에는 각각 1장의 메모리 카드를 수납할 수 있다.
Patent KR-0152020-B1 (KR)
Inventor: CHO HYUN-DUK
IPC: H04N5/06
Filed: 1992-10-30
Granted: 1998-10-15
Abstract: 복합동기신호를 전송하지 않는 디지탈방식의 영상신호를 전송받아 수평동기 및 수직동기 관련정보를 이용하여 영상재현에 이용되는 상기 복합동기신호를 생성하는 본 발명의 복합동기 생성시스템은, 복합동기신호내의 수평동기신호가 갖는 모든 펄스파형들에서 발생하는 라이징에지 및 플리에지에 관한 정보와, 한 프레임기간동안 입력되는 수평동기신호를 계수하여 얻어지는 소정의 수평주사라인이 갖는 파형형태에 관한 정보를 이용하여 복합동기신호를 생성한다.
Patent KR-0171619-B1 (KR)
Inventor: YANG SAM-JOO
IPC: C08L69/00
Filed: 1992-11-16
Granted: 1999-03-30
Abstract: 본 발명은 내열성이 우수한 폴리카보네이트 수지 조성물에 관한 것이다. 
     본 발명의 수지 조성물은 (A) 폴리카보네이트 50 - 90 중량%, (B) 스티렌계 공중합물 5 - 25 중량%, (C) 고무-스티렌 그라프트 공중합물 5-25 중량%로 구성된 수지 100 중량부에 대하여 인계 난연제 5 - 20 중량부와 불소 화합물 0.01 - 0.5 중량부 및 이미드계 화합물 1 - 50 중량부가 함유된 것임을 특징으로 한다. 
     상기와 같이 구성된 본 발명의 조성물은 난연제의 독성문제를 해결함과 아울러, 내열성이 우수하다.
Patent KR-970000218-B1 (KR)
Inventor: ENDO MITSUYOSHI
IPC: H01L23/13
Filed: 1992-11-28
Granted: 1997-01-06
Abstract: 내용 없음.
Patent KR-960004823-B1 (KR)
Title: Novel quinolone compounds and method of preparing them(ñ‹)
Inventor: CHOE SOO-CHANG
IPC: C07D401/04
Filed: 1992-12-01
Granted: 1996-04-16
Abstract: This quinoline compound is remarkably antibiotic against negative or positive germs and anaerobic germs. The third and seventh positions of the ring of quinoline are substituted by certain substituents to have fluorine at the sixth and eighth positions. It is made by its mixing with the compound of chemical formula (I) and R1-W or R2-W( W means halogen atom,, tosyl group or methyl group like common organic compound for from thirty minutes to twenty-four hours at - 50 to 120, preferrably -10 to 60 deg.C. A reasonable substitute can improve the defect of the third position of the quinzaine antibiotics, then the quinoline derivative has an excellent antibiotic activity against anti-quinoline germs. The quinoline compounds, represented by the structural formula (I), are pharmaceutically innocuous salts.
Patent KR-0127020-B1 (KR)
Title: Optical disc player
Inventor: HAN YEUN-TAEK
IPC: G11B17/22
Filed: 1992-12-17
Granted: 1998-04-01
Abstract: Disclosed is an optic magnetic disc player. The player includes a housing guide means which vertically guides a housing(40) having a spindle motor(82) and a pick-up(83) attached, a clamp guide means which vertically guides the clamp(30), and an inter-dependent means which simultaneously moves the housing(40) and the clamp(30) in opposite direction according to each guide means. The spindle motor(82) makes the disc safely arrive on the disc plane from the vertical direction. the clamp(30 and the spindle motor(82) are approached each other and the safe arrival of the disc and the clamping is simultaneously performed. Thus, the safe arrival of the disc and the clamping can be safely performed.
Patent KR-940011309-B1 (KR)
Title: Manufacturing method of polyerster fabric for the use of cleaning
Inventor: KIM KUM-KON
IPC: D02G1/18
Filed: 1992-12-23
Granted: 1994-12-05
Abstract: A polyester fabric useful as a cleaning and having a volume feeling was manufactured by confounding a high shrinkage yarn and an ultrafine yarn as a weft yarn. An ultrafine polyester conjugated and the conjugated twisting yarn and a high shrinkage polyester yarn having unaqueous shrinkage rate of 20-40 % were confounded at air pressure of 2.0-2.5 kg/cm2 in the velosity of 1,300-1,500 m/min, thereafter weaved and treated with NaOH solution.
Patent KR-950002259-B1 (KR)
Title: Optical disk driver and method
Inventor: KO SONG-RO
IPC: G11B11/105
Filed: 1992-12-28
Granted: 1995-03-15
Abstract: The apparatus includes an interface controller for generating an instruction signal to a target track number to be searched, an ID read circuit for detecting index information about track location from data output from a demodulator, and a controller for generating a driving signal to a track transfer and for generating an operation completing signal to the interface controller by analyzing ID information output from the ID read circuit, thereby reducing transmitting and receiving time.
Patent KR-970000093-B1 (KR)
Title: Exopy resin compositions for encapsulating semiconductor and encapsulated semiconductor device thereof
Inventor: LEE INN-HO
IPC: C08K5/54
Filed: 1992-12-29
Granted: 1997-01-04
Abstract: The epoxy resin is composed of 5-80wt% silicon powder with average particle size 1-10 Pm, 100wt% epoxy resin made of 10-80wt% compound(I), 20-60wt% compound(II) and 10-70wt% compound(III), 65-150wt% phenol resin made of 20-85wt% compound(IV), 10-70wt% compound(V) and compound(VI), 3-20 coupling agent made of 20-70wt% silane compound with epoxy group and 30-80wt% titanium compound with pyrophosphate group, 20-150 wt% modified silicon resin(A) and 900-1,500 wt% silica powder.
Patent KR-950003548-B1 (KR)
Title: Device for sintering cake crack
Inventor: YUN SONG-SOP
IPC: C22B1/16
Filed: 1992-12-30
Granted: 1995-04-14
Abstract: The apparatus suppresses the generation of irregular coarse cracks before starting fire or the bed of sintered ore cakes during sintering process by forming the regular grooves on the mixtures. The apparatus comprises; (A) a hopper (1) for storing raw materials; (B) a deflector plate (4) for charging the materials by rotation spead of brum feed (3); (C) a cut-off plate (5) for maintaining charged raw materials (8) to the constant height; (D) a micro crack generator (20) positioned between cut-off plate and press roller (7); and sintering bed (10).
Patent KR-100196740-B1 (KR)
Inventor: FLASCK RICHARD A
IPC: G02F1/1335
Filed: 1990-08-07
Granted: 1999-06-15
Abstract: 종래의 웨이퍼를 이용한 반사에 의한 광 부호화 시스템은 반사에 의한 이미지 평면 도듈(30,52,66,70,76,78)을 포함한다. 상기 모듈은 광 방향 및 반사구조 (40,42,44,48,56,58,64, ,74)와 그에 일치된 웨이퍼 베이스 액티브 매트릭스(46)를 포함한다.  광원 (32,68,72)은 웨이퍼 베이스 액티브 매트릭스가 그로 부터 반사된 광빔으로 정보를 부호화 한 모듈로 지향하게 된다.  상기 모듈은 하나 이사의 렌즈(50)를 통하여 이미징 또는 뷰잉을 위위 반사된 빔을 투사한다.  상기 모듈은 제2면에 일치된 웨이퍼 베이스 액티브 매트릭스로 제1면을 통해 빛 또는 광소자를 통과시키고, 뷰우되거나 이미지된 제1면으로부터 반사된 빛을 투사하는 프리즘(56) 또는 거울(48)을 포함한다.
Patent KR-920010350-B1 (KR)
Inventor: DAKAHASHI NOBUHIRO
IPC: B02C4/30
Filed: 1988-04-27
Granted: 1992-11-27
Abstract: 내용 없음.
Patent KR-100198513-B1 (KR)
Title: Method and apparatus for crystallizing a mineral substance
Inventor: DARMONT JACQUUES
IPC: B01D9/02
Filed: 1992-12-16
Granted: 1999-06-15
Abstract: PCT No. PCT/BE91/00037 Sec. 371 Date Dec. 17, 1992 Sec. 102(e) Date Dec. 17, 1992 PCT Filed Jun. 12, 1991 PCT Pub. No. WO92/00130 PCT Pub. Date Jan. 9, 1992.Process and installation for crystallising an inorganic substance in a fluidised bed of crystals (14), which is generated by subjecting a solution supersaturated in the substance to be crystallised to an ascending circulation across a distributor (12), located below the bed (14), of a fluidised-bed reactor, a fraction (22) of the supersaturated solution being taken off upstream of the distributor (12) and being recycled downstream of the distributor (12) into the fluidised bed (14) or into the mother liquor from the crystallisation, and the mother liquor being supersaturated for reconstituting the said supersaturated solution.
Patent KR-950008805-B1 (KR)
Title: Auto clutch
Inventor: YU JAE-UK
IPC: F16D7/00
Filed: 1993-04-22
Granted: 1995-08-08
Abstract: The clutch device for protecting the overspeed rotation, automatically intermits the driving power from the motor when the power generating motor is rotating over the setting RPM. The device comprises a housing(30) having an opening on a side and fixed on a driver shaft(20), an intermitting section(40) elastically surported by the spring(430) on the inner wall of the housing(30) for compressing the drive shaft(11) of the power device(10); intermittent pad(420) detachable from the main shaft(11) by the RPM of the power device(10). When the overload is input to the loading gear having the differential clutch, a check ball is inserted to a hole of the gear after pushing the spring.
Patent KR-0131191-B1 (KR)
Inventor: II TSUKIO
IPC: C09K17/02
Filed: 1993-04-30
Granted: 1998-04-18
Abstract: 주성분이 강철 생산이 부산물로 생산되는 산화철 및 알루미늄의 제련에서 부산물로 생산되는 적색 점토로부터 만들어지는 산화알루미늄인 Al-Fe 산화물 혼합물 및 여기에 첨가된 석회로 구성되는 토양 또는 지반 강화 재료를 분쇄된 암석, 천연 토양 들을 함유하는 토양에 혼합하거나; 상기 석회가 첨가된 토양 또는 지반 강화 재료에 산화티탄을 더욱 혼합하고 이 재료를 분쇄된 암석, 천연 토양 등을 함유하는 토양 또는 지반으로 혼합하여; 그의 강도 및 점탄성을 증진시키는 방법이 개시된다. 이러한 토양 또는 지반 강화 재료에서 산화티탄의 함량은 0.5-2.0중량% 범위에 있다. 
     [화학 반응식]
Patent KR-970010752-B1 (KR)
Title: Non-porous, permeable polyurethane resin compositions
Inventor: CHOE JIN-SUK
IPC: C09D175/04
Filed: 1993-05-07
Granted: 1997-06-30
Abstract: A mixture of aliphatic polycaprolactone glycol 1.5-6.5 wt.parts of molecular weight 500-5,000, polyoxyethylene glycol 9.5-32.5 wt.parts of molecular weight 500-5,000, ethylene glycol 0.5-3.5 wt.parts, and isocyanate 7.0-18.5 wt.parts was reacted in a mixed solvent 45-80 wt.parts of dimethylformamide and methylethylketone  at 75-85 deg.C to give the title polyurethane resin composition having a high moisture permeability.
Patent KR-960008252-B1 (KR)
Title: Waste water filter
Inventor: LEE JOON-HO
IPC: B01D29/64
Filed: 1993-07-23
Granted: 1996-06-21
Abstract: In the filter a waste water inlet (2) and an outlet (3) are each provided to one side of an upper part and a middle of a rear part of a circular-shaped main body (1). A driving part (7) consisting of a motor (4), a reducer (5), and a coupling (6) is installed on the upper part of the main body (1), and a filtering part (10) having a sealed bottom surface, a gear (8), and a minute filtrating hole (9) is sealed within the main body (1). Upper and lower supports (14)(14') are installed on the main body (1) and a filtering vessel (11), and a rotating brush (16) forming a gear (15) is mounted thereon.
Patent KR-100283141-B1 (KR)
Title: 텔레비젼의 팝화면 사운드 시스템
Filed: 1993-07-30
Granted: 2001-04-02
Abstract: 본 발명은 텔레비젼 팝화면 사운드 시스템에 관한 것으로, 팝화면을 처리하기 위해 팝튜너(12)로부터 전송되는 신호중 사운드신호를 처리하기 위한 팝화면 사운드 신호처리부(36)와, 가동단자가 주화면 사운드가 전송되는 제1고정단자와 POP화면사운드가 전송되는 제2고정단자 중 어느하나를 선택적으로 연결하는 스위치와, 베이스가 저항을 통해 마이크로 컴퓨터와 연결되고, 에미터는 접지되며, 콜렉터는 전원전압과 연결됨과 동시에 다이오드의 일측과 연결된 트랜지스터로 구성되어, 사용자의 선택에 따라 헤드폰에 팝화면 사운드 또는 주화면 사운드를 선택적으로 전송하기 위한 헤드폰 사운드 스위치부(37)와, 상기 헤드폰에서 출력되는 사운드의 음질 및 음량을 조절하기 위한 헤드폰 사운드 제어부(38)를 구비하여, 시청자들의 선택폭을 넓힘과 동시에 텔레비젼을 고급화 시킬 수 있는 효과가 있다.
Patent KR-0178265-B1 (KR)
Inventor: LIM JAE-HYEK
IPC: H04N5/76
Filed: 1993-09-07
Granted: 1999-05-01
Abstract: 본 발명은 예약 녹화 정보 설정시 칼라 시스템 선택 정보를 메모리시켜 예약녹화 모우드시 설정된 칼라 시스템으로 자동 녹활될 수 있도록 하는 방법에 관한 것으로, 칼라 시스템이 상이한 PAL 방식과 SECAM 방송을 수신하여 예약 녹화시키는 VCR에 적용된다. 
     이를 위하여 본 발명은 예약 녹화 정보를 메모리시켜 메모리된 채널의 방송신호를 녹화하는 예약 녹화 방법에 있어서, 예약 녹화 정보 설정시 설정된 채널의 칼라 시스템을 선택하여 예약 녹화 정보와 함께 메모리시키는 칼라 시스템 정보 메모리 과정과, 예약 녹화 모우드 수행시 메모리된 채널 정보와 함께 칼라 시스템 정보를 읽어내어 칼라 제어 신호로 출력시키는 칼라 시스템 선택 과정을 포함하여 구성시킴으로써 수동 칼라 선택 스위치를 이용하고도 예약 녹화시 자동으로 칼라 시스템을 선택 절환시킬 수 있게 된다.
Patent KR-960013548-B1 (KR)
Title: Digital color signal encoder apparatus
Inventor: KIM IK-HYUN
IPC: H04N9/07
Filed: 1993-09-10
Granted: 1996-10-07
Abstract: a ROM(20) outputting Y, U, V values corresponding to R, G, B values; an adder(27) adding the output(Y) of the ROM(20) and the pedestal level(FL) of composite signals; low pass filters(29,30) filtering the output(U,V) of the ROM(20); a multiplexer(33) outputting the output data of the low pass filters(29,30), a -U converter(31) and a -V converter(32) selectively according to the selection signal(SEL) generated from a UV selector(24); an adder(34) adding the output of the multiplexer(33) and the output data of the adder(27); a burst generator(23) outputting the burst level value in phase with CSYNC; and a D/A converter(35) converting the digital composite signal of a multiplexer(26) into the analog signals.
Patent KR-960007816-B1 (KR)
Inventor: ICHIKAWA SHUICHI
IPC: H04R7/02
Filed: 1993-10-08
Granted: 1996-06-12
Abstract: 내용 없음.
Patent KR-970003490-B1 (KR)
Title: Work supports for grinding wheel
Inventor: LEE CHANG-HYUP
IPC: B24B41/06
Filed: 1993-10-26
Granted: 1997-03-18
Abstract: Disclosed is an apparatus to fix a wheel of car for process.  In the apparatus, several wheel rest fixers(51) are formed at a wheel center fixer(50).  Many gauge blocks(61) for regulating wheel width are bolt coupled at a wheel center fixer(50).  Wheel hole contact parts(63) are bolt coupled at gauge blocks(61).  Thereby, various wheels are able to be fixed by the apparatus with a good performance.
Patent KR-960008371-B1 (KR)
Title: Optical disk player
Inventor: SONN KWAN-HO
IPC: G11B17/04
Filed: 1993-11-12
Granted: 1996-06-26
Abstract: The player has a compact size and prevents tray failure to enhance the reliability. The optical disc player includes: a main body(10); a tray(20) on which a disc is mounted and transferred into; a cover(40); a driving motor(50); and a conveyor which moves the tray(20) and the cover(40) in opposite directions to each other. The conveyor includes the first racks(21a,21b) and the second racks(41a,41b), a pair of tray gears and a pair of cover gears.
Patent KR-0166386-B1 (KR)
Inventor: SEDLEY BRUCE SAMUEL
IPC: A47C31/12
Filed: 1993-12-23
Granted: 1999-03-20
Abstract: 본 발명은 바닥 리프팅 기구를 구비하고 있으며 평행한 바닥 스트립을 포함하고 있는 침대용 바닥 구조물에 있어서, 각각의 스트립은 바닥 스트립의 대향면내에 길이장향으로 위치되어 있는 커플링홈을 갖추어서 커플링부재에 의해 연속적으로 연결되어 있으며, 각각의 커플링부재는 상기 커플링부재의 양끝에 커플링홈에 대응하는 부분을 갖추어서 바닥 구조물의 구성요소로서 합체화된다.
Patent RO-121151-B1 (RO)
Title: Method for determining the age of textile cellulose materials
Inventor: SANDU Irina Crina Anca
IPC: G01N11/02
Filed: 2001-09-04
Abstract: The invention relates to a method for determining the age of textile cellulose materials for dating canvas paintings, garments and old items by determining the degree of polymerization with an alkaline solution of Schweitzer's reagent.
Patent RO-122613-B1 (RO)
Title: System for analyzing a gas mixture by gas chromatography and spectrometry
Inventor: GUTT SONIA
IPC: G01J3/28
Filed: 2007-10-11
Abstract: The invention relates to a complex system meant for simultaneously analyzing a gas mixture by molecular gas chromatography and basic spectrometry. According to the invention, the system comprises a gas chromatograph (1) provided with an ionizing detector (2) having a modular structure which comprises a spectrometric transmission probe (3) consisting of a quartz glass lens (5) and a transmission optic fibre (6) which are mounted perpendicular to the burning direction of the hydrogen flame (4) of said detector (2), a miniaturized compact spectrometer (7) provided with fixed diffraction grating, Diode-Array detector, software for processing atomic emission spectral information, as well as a system (8) for spectra processing, displaying and printing.
Patent RO-122757-B1 (RO)
Title: Connecting system
Inventor: PRISACARIU ILIE
IPC: H02K3/20
Filed: 2007-12-13
Abstract: The invention relates to a system for connecting a rotor with cage winding, to a source of power currents (7), in order to use the flow detection with magneto-active powder. According to the invention, the system comprises some copper conducting strips (1), wound on the surface of some shorting collecting rings (2) and pressed on this surface, by means of some adjustable fasteners (3), provided with a clamping screw (4), the connection to the source of power currents (7) being performed by means of some connections (5) made of the same material as the conducting strips (1) and insulated by means of a thermal-resistant insulation, and some thermal-insulating foils (6), made, preferably, of polytetrafluoroethyl or glass fiber fabric.
Patent SA-111320419-B1 (SA)
Inventor: POZO ALFONSO
Filed: 2011-04-30
Abstract: الملخص: يتعلق الإختراع بصمام يتضمن جسم (body) (1) به فتحة دخول (inlet opening) (12) فى مبيت داخلى (inner housing) (11)، وفتحة خروج (outlet opening) (22) من المبيت المذكور؛ كابح (check) (3) يتم وضعه فيما بين فتحة الدخول (12) وفتحة الخروج (22). ويكون للجسم (1) غطاء غلق (closure cover) (2) للمبيت (11)، مزوداً بإثنين أو أكثر من فتحات الخروج (22) لإستخلاص و/أو إمرار الغاز. ويكون للمبيت (11) مقعد حلقي أمامى (front annular seat) (14) مع وصلة لدنة (elastic joint) (15)، ويكون للكابح (3) شفة أمامية حلقية (front annular flange) (31) مواجهة للوصلة اللدنة (15) المذكورة أعلاه، ويوجد زنبرك انضغاط (compression spring) (4) مرتباً مقابل الجزء الخلفي للكابح (3)، الذى فى موضع غير فعال يدفع الكابح (3) المذكور نحو موضع مغلق مقابل الوصلة اللدنة (15).
Patent SA-515360293-B1 (SA)
Title: Insect repellent cleaning composition
Inventor: Stefan KARSTEN
Filed: 2015-04-15
Abstract: The invention relates to an aqueous cleaning composition having insect-repellent properties. Further, the invention is directed to the use of a cleaning composition for providing hard surfaces with insect-repellent properties. The invention is particularly directed to a cleaning composition comprising a combination of at least one cationic surfactant and at least one non-ionic surfactant and an insect repellent compound.
Patent SA-515360940-B1 (SA)
Title: Wheel assembly for an irrigation system
Inventor: THOMAS J KORUS
Filed: 2015-08-24
Abstract: A wheel assembly (12a,b) for traversing a path along a ground surface having a layer of soil (54), the wheel assembly (12a,b) comprising a central support (14) and an airless flexible covering (18) mounted on the central support (14) and having a plurality of rigid sections and a plurality of flexible sections. The outwardly protruding spokes (20a-c) urge the rigid sections into the layer of soil (54) when the rigid sections contact the ground surface. The flexible sections flex inwardly when the flexible sections contact the ground surface (28) so that the rigid sections and the flexible sections cooperatively form a corrugated (52) pattern in the ground surface (28) without urging the soil to side margins of the airless flexible covering (18), the corrugated (52) pattern having a plurality of valleys (50a-c) formed by the rigid sections and a plurality of peaks (48a-c) formed by the flexible sections. Fig. 1
Patent SA-516371846-B1 (SA)
Title: Transducer with a Latching Electromagnetic Circuit
Inventor: GASSMAN GEORGE
Filed: 2016-09-17
Abstract: A transducer for a connection to a fluid pressure source having a mechanism for setting a pneumatic output by way of an electrical input signal. The transducer provides a lower housing assembly and an upper housing assembly. The lower housing assembly comprises lower housing configured to receive a supply nozzle. The supply nozzle fluidly communicates with a supply port and intermittently fluidly communicates with an output port of the lower housing through an internal fluid passageway. The lower housing further comprises an exhaust nozzle fluidly communicating with an exhaust port and intermittently fluidly communicates with the output port of the lower housing through the internal fluid passageway. The upper housing assembly comprises an upper housing configured to receive a coil and an armature such that the upper housing, coil and armature define a latching electromagnetic circuit that provides alternating contact of the armature with the supply nozzle and the exhaust nozzle o
Patent SA-518390002-B1 (SA)
Title: A System and Method for Document Information Authenticity Verification
Inventor: GUY SCOTT
Filed: 2018-07-24
Abstract: There is provided a system and method for document information authenticity verification for applications including verifying the authenticity of information of statements of attainment of course documentation issued by registered training organisations, verification of travel documents and other sensitive documents requiring authenticity verification such as documents issued by law firms, accountancy firms, governmental institutions and the like. The method may comprise a verification record creation stage comprising: receiving document content metadata from a document; generating a metadata hash using the document content metadata; creating a blockchain transaction comprising the metadata hash; and generating computer readable data encoding the metadata hash; updating the document with the computer readable data and a document verification stage comprising: receiving the document; extracting the metadata hash from the computer readable data; and identifying the metadata hash within b
Patent SA-520411406-B1 (SA)
Title: Lysophosphatidic acid receptor 1 inhibitor compounds
Inventor: XUEJUN ZHANG
Filed: 2020-02-25
Abstract: The present invention provides a compound of formula or a pharmaceutical salt thereof, use, methods for its preparation are described.