baber/WOPTO huggingface dataset:
Patent GB-1146220-A (GB)
Title: An emergency power supply
IPC: H02J9/06
Filed: 1967-10-25
Abstract: 1,146,220. Standby supply systems. INTERNATIONAL STANDARD ELECTRIC CORP. 25 Oct., 1967 [28 Oct., 1966], No. 48471/67. Heading H2H. An A.C. load 6 can be supplied alternatively from mains 1, 2 or a battery fed inverter output 31, 32 through interlocked electronic switch means 7, 8 dependent on whether the mains voltage is above or below a determined value. On mains failure, a pulse generator 11 is blocked by a voltage sensing device 10 via a NOR circuit 24 and a time delay circuit 23 is energized. After a half cycle delay to allow for the transition time, a pulse generator is energized firing thyristors 8. On restoration of the supply thyristors 8 are blocked and after a half cycle interval pulse generator 11 is energized firing thyristors 7. The time delays may be reduced if gate turn off thyristors with appropriate circuitry are employed. The pulse generators may be multivibrators. Circuits 19, 20 supply power alternatively to the control circuits. Device 10 may also provide a further time delay of say 1 sec. to allow on restoration of the supply mains transients to subside before switching over. The system may be adapted for multiphase operation.
Patent GB-1519819-A (GB)
Title: Reading optical recordings
IPC: G11B7/12
Filed: 1975-11-26
Abstract: 1519819 Record readers PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 26 Nov 1975 [29 Nov 1974] 48573/75 Heading G1A Apparatus for reading a reflective track on a record carrier comprises: a source providing a read beam; an objective system for focusing the read beam on the track; a radiation detector; and a beam divider for directing part of the read beam to the track and for directing part of the reflected beam to the detector, the beam divider being such that the part of the read beam directed to the track is approximately 30% of the light incident upon the beam divider. In a track-reading system Fig. 1, wherein a read beam 20 from a laser 6 is spread either by a field lens 7 as shown or by a mirror (not shown) within the laser, and refocused by an objective lens 9 upon a portion S of a spiral track 3, a beam-splitting mirror 8 reflects a fraction R equal to 0.3 of the light incident upon it but transmits a fraction (1-R) equal to 0.7. Thus while the fraction R(1-R) of source light finally reaching a detector 14 is limited to 0.21 and not substantially short of the theoretical maximum of 0.25, the fraction R<SP>2</SP> reflected back to the source is limited to only R<SP>2</SP> or 0.09. The mirror 8 may be rotatable about axes 10, 12 to correct the spot position radially and tangentially in response to phase-detected signals S r , S t  derived from transverse undulations of the track 3. The spot-correcting mirror (15) Fig. 2 (not shown) may be separate from the beam-splitter (16) which may, alternatively, take the form of a divider block (18) Fig. 3 (not shown) having its exterior faces directed so as to avoid reflecting light back to the source.
Patent GB-1363242-A (GB)
Title: Brake boosters
IPC: B60T13/57
Filed: 1972-02-17
Abstract: 1363242 Fluid-pressure brake boosters AUTOMOTIVE PRODUCTS Ltd 17 Feb 1972 [24 Feb 1971] 48762/71 Divided out of 1363241 Heading F2F In a brake booster with a casing 20 divided by a movable wall 25 and having a pedal-operated push-rod 12 and a valve arrangement including an annular valve member 41 having a central aperture through which the push-rod extends and annular valve seats 50, 52 the diameter of one seat 50 is less than that of the other seat 52 and the valve member 41 includes an annular projection 42 which is a sliding fit in a ring 43 whose aperture diameter is equal to that of valve seat 52. The arrangement is such that in use the fluid pressures acting on the member 41 are balanced when the latter is engaged with seat 52 to prevent communication between annular cavity 51 and the compartment connected to vacuum.
Patent GB-1159140-A (GB)
Title: An Improved Winding Drum for Winding Rolled Strip
Inventor: ROSCHUTZ HORTS
IPC: B21C47/30
Filed: 1967-10-27
Abstract: 1,159,140. Rollers. SCHLOEMANN A.G. 27 Oct., 1967, No. 48877/67. Heading F2U. In an expansible winding drum for winding rolled strip, comprising hydraulically powered opposed pistons 5, 6 which operate a wedge 4 to adjust pivoted segments 2 and a clamping device 3 for gripping the end of a strip to be wound, respectively, the hydraulic circuit for the pistons includes a compensating piston 16 loaded by a spring 17 to take up variations in fluid volume due to temperature changes of the drum. Pistons 5, 6 are slidable one within the other and are urged radially inwardly by a spring 8. A piston (11), (Fig. 1, not shown) is movable in the bore (14) of the drum shaft (10) to control the expansion and contraction of the segments 2 and the gripping of the clamping device 3. The piston 16 is housed in a cylinder 15 in an extension 12 of the shaft (10). An indicator rod 18 shows the position of the compensating piston 16. The fluid pressure produced by spring 17 and piston 16 is less than that required by pistons 5, 6 to overcome the spring 8.
Patent GB-1471709-A (GB)
Title: Microphone arrangements
IPC: H04R19/04
Filed: 1974-11-14
Abstract: 1471709 Microphone circuits SONY CORP 14 Nov 1974 [15 Nov 1973] 49304/74 Heading H4J A preamplifier transistor Q (Fig. 1) and electrostatic transducer M (e.g. an electret) are contained in a microphone unit F. A single core cable CB transfers D.C. power and an output signal between the unit F and a power supply and output circuit 2. The output signal from the preamplifier Q passes to the primary L 1  of an output transformer T. The D.C. power for the preamplifier is generated either by a first battery E or through a voltage which is developed by a second power supply E 0  and output circuit 3. The circuit 3 is connected to the first power supply and output circuit 2 when the drain on battery E 1  is to be stopped. The transistor Q is a P-channel type F.E.T. A capacitor C 1  in parallel with battery E 1  serves as a signal transmission path when battery E 1  is not used. Terminal t 11  is grounded. When circuit 3 is connected to circuit 2, the terminals t 12 , t 13  and t 11  are interconnected with terminals t 22 , t 23  and t 21 . The junction of balance resistors R 3  and R 4  is connected to the core wire a of cable CB through resistors R 2  and R 1 . A Zener diode D 2  functions as a constant voltage element and has, in parallel, a capacitor C 2  for eliminating noise and providing stability. The D.C. power source E 0  in circuit 3 is either a second battery or an A.C. line voltage power supply. In operation, when the power source E 0  and output circuit 3 is not used, the D.C. power from battery E 1  is applied through cable CB to the transistor Q. A signal from microphone unit 1 is applied through transformer T and an output signal is obtained across terminals t 12  and t 13 . When the circuit 3 is used, a D.C. driving voltage from the source Eg, stabilized by Zener diode Dz and resistor R 2 , is supplied through cable CB to microphone unit 1. In this case, battery E is reverse biased to non-function. A signal from the microphone circuit is delivered between the terminals t 32  and t 33 . A similar embodiment (Fig. 2, not shown) utilizes an N channel F.E.T., and the source S of F.E.T. Q is connected to the outer b of cable CB while the drain D is connected to the inner a. A third embodiment (Fig. 3, not shown) also uses an N-channel F.E.T. but battery E 1  is reversed and the unit F is as in Fig. 1. Another difference is that resistor R 2  is connected to the outer b of cable CB.
Patent GB-1283782-A (GB)
Title: Indicator dyes for pregnancy detection
IPC: G01N33/76
Filed: 1969-10-07
Abstract: 1283782 Reagent for pregnancy testing JULIUS SCHMID Inc 7 Oct 1969 [28 Oct 1968] 49320/69 Heading AIM [Also in Division B1] A diagnostic dye reagent for pregnancy testing comprises a bromo-cresol purple or chlorophenol red solution having a pH between 5.5 and 7 and containing a buffering agent. The reagent may be used in solution or impregnated into for example filter paper, and produces a colour change in contact with the urine of a pregnant female.
Patent GB-1438217-A (GB)
Title: 1-alkyl-5-nitro-imidaolyl-2-alkyl-pyridyl compounds and process for preparing them
IPC: C07D401/12
Filed: 1974-11-14
Abstract: 1438217 5 - Nitro - imidazolyl - 2 - alkylpyridyl-sulphides, -sulphoxides and -sulphones HOECHST AG 14 Nov 1974 [16 Nov 1973] 49337/74 Heading C2C Novel compounds (I) where R<SP>1</SP> is Me or Et, R<SP>2</SP> is H or Me, Z is S, SO or SO 2  and R<SP>3</SP> is halogen, CN or NO 2  are made by standard methods. Pharmaceutical preparations active against bacteria and protozoa contain (I) as active ingredient. Administration is orally or locally.
Patent GB-1111318-A (GB)
Title: Oxygen injection apparatus for steelmaking converters
IPC: B60G21/073
Filed: 1965-11-19
Abstract: 1,111,318. Mounting blowing lances. UNITED STATES STEEL CORPORATION. 19 Nov., 1965 [30 Nov., 1964], No. 49354/65. Heading F4B. Steelmaking converter blowing equipment comprises an oxygen lance 8 extending downwardly through an opening 7 in an exhaust hood 5, and a horizontally movable frame F supporting said lance and also supporting an assembly of sheaves 9 which carry and feed the hoses supplying oxygen and cooling water in such a manner that parts of said hoses below the sheaves extend axially of the lance. The latter hangs from a carriage 16 vertically movable in tracks along the frame edge 14, by cable 27 wound on a motor driven hoist drum 56 having a counterbalance cable 64, extending over pulleys 66, to a counterweight 67. The sheave assembly 9 is mounted on a shaft joumalled in end carriages slidable vertically in tracks 47 at a speed which must be half the linear speed of axial travel of the lance 8. To this end vertical movement of the sheave assembly is controlled by a cable 70 wound on a hoist drum 58 on the same drive shaft as drum 56 but having half the diameter of the latter drum. The frame F is suspended from a trolley 30 running on beams 32 and driven from a motor 38 through two sets of rack and pinion gearing 35. Two frames F may be provided whose paths of travel intersect at a point in vertical alignment with the exhaust hood opening 7.
Patent GB-1202599-A (GB)
Title: Improvements in or relating to crane jibs
IPC: B66C23/70
Filed: 1967-10-31
Abstract: 1,202,599. Jib cranes. AUGUST BILSTEIN. 31 Oct., 1967 [11 Nov., 1966], No. 49495/67. Heading B8B. A crane jib comprises members 1 ... 5 which are telescopically movable by an hydraulic ram 8 and cables 14 ... 16 so that the respective speeds between the adjacent pairs of the members are the same, and a cable 7 extending round pulleys 17 ... 19 on the members 1, 2 and then directly to the member 5, the arrangement being such that the part of the cable 7 extending between the pulleys 17...19 and the member 5 changes in length during the telescopic movement by an amount substantially equal to and in the same sense as the change in spacing between the members 2, 5. The cable 7 is a jib retracting cable but in other embodiments is used as a hoist cable. It is preferably guided within the jib and may be replaced by a plurality of cables.
Patent GB-1150115-A (GB)
Title: Coil Assemblies
IPC: H01F5/02
Filed: 1966-11-04
Abstract: 1,150,115. Making coils. LANDIS & GYR A.G. 4 Nov., 1966 [16 Nov., 1965], No. 49583/66. Heading B3A. [Also in Divisions B8 and H1] A coil comprises electrically insulated wire wound round two I-shaped plates, said plates being spaced apart. Two I-shaped plates 6 of laminated plastics are inserted in slots 4 in the flanges 2 and 3 of a mandrel 1. The mandrel has an expandable periphery. A notch 8 is provided on the plates 6 in which the start of the winding can be placed whilst a cut-out 9 is provided in flange 2 for a connection to be made to the coil. After the coil is formed, the periphery of the mandrel is contracted, flange 2 removed and the coil 11 slid off the mandrel. The coil 11 may be impregnated or baked or cast with a casting resin. A permanent or temporary shell 12, Fig. 3, may be used in the casting operation.
Patent GB-1508639-A (GB)
Title: Push rod type tape recorder operating device
IPC: G11B15/10
Filed: 1975-12-03
Abstract: 1508639 Tape recorder MATSUSHITA ELECTRIC INDUSTRIAL CO Ltd 3 Dec 1975 [10 Dec 1974 17 April 1975] 49622/75 Heading G5R In a tape recorder operating mechanism including stop, record, playback, rewind, fast forward and eject push rods 41-47 operated in the direction of their length by keys or push buttons 51-57 as shown, the keys are biased upward to their non-operated positions by a flat plate spring 48 formed with fingers 91-97 each co-operating with a push rod and rods 42- 46 co-operate with a latch bar 37 which acts to release an operated record push rod if the fast forward or rewind rods are depressed. The base of the plate spring 48 is secured to the rear plate 11 of the mechanism and the fingers which extend from the base at an angle are either tapered or stair-case shape in form, Figs. 9 and 11 (not shown). Push rods 42-46 are formed with apertures 62-66 which co-operate with pins 72-76 of latch bar 37 which is pivotally supported at one end on spacer 12 and urged at its other end towards spacer 12 and the push rods by springs 79, 78 respectively. Assume the mechanism is switched to record with both playback and record rods 43, 42 depressed and latched by movement of the latch bar to the right, Fig. 5, if at this time the fast forward rod is depressed a raised part 85 on the rod facing the latch bar engages the bar and pivots it about its end engaged in spacer 12 away from the push rods whereby pin 72 of the record push rod which is short compared with that of the playback push rod moves out of aperture 62 and spring finger 92 returns the record rod to its off position. With the playback rod still latched down and the fast forward rod held down manually, since it cannot latch with the bar moved to the right, the recorder is in its "cue" mode in which the sound is played back at high speed. A similar "review" mode of operation occurs when the rewind rod is depressed instead of the fast forward rod. Any latched rods are released by operation of the release rod 46 and the fast forward and rewind rods can be latched down if depressed when the record and playback rods are in their off position.
Patent GB-1178530-A (GB)
Title: Tool Holder
IPC: H01R43/042
Filed: 1968-10-22
Abstract: 1,178,530. Tool holders. AMP Inc. 22 Oct., 1968 [17 Nov., 1967], No. 49990/68. Heading B4W. [Also in Division E2] A tool holder 4 for securing a wire-splicing tool (which may be as disclosed in Specification 1,059,254), to a supporting cable or rod, e.g. a messenger cable 6, comprises a clamp 58, 60 for attachment to the cable or rod in any angular position about the longitudinal axis of the cable or rod, a tool support member 30 for receiving one of the handles, e.g. handle 12, of the tool, and a slide 40 having a latch (Fig. 3, not shown), for securing the tool handle to the tool support member 30 in a selected one of a series of axial positions with respect to the tool support member, for adjusting the tool head 14 radially of the longitudinal axis of the cable or rod. The clamp, comprising two jaws 58, 60 formed with co-operating grooves 66, 68 is rigidly secured to the tool support member 30, and the jaws are operated by rotation of the handle 62. The jaws are spring-urged apart. The tool support member 30 is of elongate channel shape and has a series of holes 56 in its side walls 36. The slide 40, which embraces the side walls 36, has a pin (38) which locates in the holes 56 and cooperating holes in the slide 40 and handle 12 to secure the slide and handle in a desired position relative to the tool support member 30. The pin (38) is retained by a washer (52) located in a groove in the pin shank, and is spring-urged into the locking position. To re-position the slide and handle relative to member 30 the pin head is retracted inwardly of the slide by a lever 48 whereby the handle 12 may be slid longitudinally in the member 30 to alter the radial extent of the tool head 14 with respect to the longitudinal axis of the cable 6.
Patent GB-1200333-A (GB)
Title: Improvements in or relating to weighing apparatus
IPC: G01G9/00
Filed: 1967-11-06
Abstract: 1,200,333. Weighing apparatus. RAST PATENTS PTY. Ltd. Nov.6, 1967 [Nov.14, 1966], No. 50396/67. Heading G1W. Apparatus for weighing objects 4 comprises a weighing frame 1 pivotally mounted by an axle on a support frame 14 having a handle 15, the weighing frame 1 being provided with a load engaging portion which when supporting a load causes the weighing frame 1 to pivot relatively to the support frame 14 by an amount indicative of the weight of the load. A weight indicator 16 which may include a spring 19 may be operatively connected to the weighing frame 1 by a cable 18 and a chain 17 which is trained around a sprocket wheel 16a on the support frame 14. The weighing frame 1 which may comprise an upright 10 attached to a foot (2) Fig.3, (not shown) may be provided with a pitovally mounted load engaging member 3, the weighing frame 1 being connected by a ball bearing arrangement (8) Fig. 4, (not shown) to the axle (7) to which the support frame 14 is secured and on which wheels 5 for transporting the apparatus are mounted.
Patent GB-1211556-A (GB)
Title: 0,2,4-oxdiazolidine derivatives, process for their production and herbicidal compositions containing same
IPC: A01N43/836
Filed: 1967-11-07
Abstract: 1,211,556. 1,2,4-Oxodiazolidine diones. AGRIPAT S.A. 7 Nov., 1967 [8 Nov., 1966], No. 50451/67. Heading C2C. [Also in Division A5] 1,2,4-Oxodiazolidine derivatives of formula wherein one of R 1  and R 2  represents a C 1  to C 4  alkyl or a C 3  or C 4  alkoxyalkyl radical and the other of R 1  and R 2  represents a phenyl radical (optionally substituted), and X and Y are independently O or S, with the proviso that X may be O only when R 2  is substituted phenyl and Y is S, may be prepared by reacting a urea derivative with a carbonic acid derivative wherein Q and Z independently represent halogen up to atomic number 35 or C 1  to C 5  alkoxy, the reaction being in the presence of a cyclizing agent and at a temperature of from -10‹ to 25‹ C.
Patent GB-1186063-A (GB)
Title: Benzonaphthyridine Derivatives
IPC: C07D471/18
Filed: 1967-03-13
Abstract: 1,186,063. Benzonaphthyridines. AMERICAN HOME PRODUCTS CORP. 13 March, 1967 [14 March, 1966; 26 Sept., 1966], No. 50644/69. Divided out of 1,186,061. Heading C2C. Novel benzonaphthyridines of the general formula wherein R and R<SP>1</SP> are each a hydrogen or halogen atom or a nitro, C 1-6  alkyl, C 1-6  alkoxy, C 1-6  alkylthio, C 1-6  alkylsulphonyl, sulphamoyl, carbamoyl or trifluoromethyl group; R<SP>2</SP> is a hydrogen atom or an amidino, C 1-6  alkyl or a quaternary ammonium salt thereof derived from the ester of an alkanol, phenyl, halophenyl, phenyl C 1-6  alkyl, benzoyl, C 1-6  alkanoyl, halo- C 1-6  alkanoyl, dihalo-C 1-6  alkanoyl, C 1-6  alkanoyloxy, di-C 1-6  alkylamino, C 1-6  alkanoyl, C 1-6  alkylsulphonyl, phenylsulphonyl, di-C 1-6  alkyl-carbamoyl, C 1-6  alkoxycarbonyl, C 1-6  alkoxy-C 1-6  alkyl, di-C 1-6  alkylamino-C 1-6  alkyl or dihydroxy-C 1-6  alkyl group; R<SP>3</SP> and R<SP>4</SP> are each a hydrogen atom or a methyl or gemdimethyl group(s), or together they are concatenated to form an ethano bridge; and R<SP>5</SP> is a hydrogen atom or a C 1-6  alkyl, phenyl, halophenyl, C 1-6  alkylphenyl, C 1-6  alkoxyphenyl, pyridyl, piperidyl, thienyl or furyl group, and pharmaeeutieally acceptable acid addition salts thereof are prepared by reaction of an aniline derivative and a 4-piperidone of the respective general formulµ optional reduction of the resulting benzonaphthyridine of the first general formula above to the corresponding naphthyridine of the second general formula above and, before or after the optional reduction, optional salification of the product with a pharmaceutically acceptable acid. Pharmaceutical compositions having antiamoebial, antibacterial, sedative and analgesic activity comprise, as active ingredient, a benzonaphthyridine of the first or second general formulµ above or a pharmaceutically acceptable acid addition salt thereof together with a pharmaceutically acceptable carrier.
Patent GB-1400569-A (GB)
Title: Liquid-ring worm vacuum pump
IPC: F04C19/00
Filed: 1972-11-03
Abstract: 1400569 Worm-type liquid-ring pumps G HOPPE 3 Nov 1972 [5 Nov 1971 (2)] 50704/72 Heading F1C A liquid-ring vacuum pump comprises a worm rotor 1 and a rotary casing 3 connected by an hydraulic coupling 8, 10, 9 so as to rotate at different speeds. The driving means is connected either to the worm shaft 2 or to the rotary casing 3. Impeller vanes 12 assist in rotating the liquidring 4.
Patent GB-1352828-A (GB)
Title: Polyphenyl thioether compositions
IPC: C10J3/48
Filed: 1971-09-24
Abstract: 1352828 Hydraulic fluids MONSANTO CO 24 Sept 1971 [28 Dee 1970] 50751/73 Divided out of 1351651 Heading C5F An hydraulic fluid comprises a major amount of polyphenyl thioether or mixed polyphenyl ether-thioether base stock and 0À01-2À0 wt. per cent of phosphinic acid of formula where R<SP>11</SP> is a C 6 -C 16  aryl, alkaryl or haloaryl group, or a C 1 -C 12  alkyl or haloalkyl group. The base stock may be one or more compounds of formula R-Y(R<SP>1</SP>-Y) n -R where R is phenyl, C 1 -C 4  alkyl- or haloalkyl-substituted phenyl, C 1 -C 4  alkoxy-substituted phenyl, bromo-, chloro- or fluoro-phenyl, or xenyl; R<SP>1</SP> is phenylene, C 1 -C 4  alkyl-, haloalkyl- or alkoxy-substituted phenylene, bromo-, chloro- or fluorophenylene, or phenyl-phenylene; n = 1-6, and each Y is O or S, at least one Y being S. Many such compounds are listed. The composition may also contain 0À01-10 wt. per cent of a dialkyl hydrogen phosphite, together with conventional additives.
Patent GB-1207337-A (GB)
Title: Improvements in or relating to a disconnectable metal upright secured to a pedestal
Inventor: DEMANEGA MARIE-JOSEPHE
IPC: E01F9/60
Filed: 1967-11-08
Abstract: 1,207,337. Connecting posts to bases. M. J. DEMANEGA. 8 Nov., 1967 [25 Nov., 1966], No. 50797/67. Heading E1B. A tubular metal fence post 2 which has a bayonet connection with a pedestal receives horizontal tubular rail members 3 through apertures 2a, the angle between the rib of the bayonet fitting on the lower end of the post and the position of the apertures 2a being such that when the horizontal members are secured by rods 5 passing through apertures 3a and 3b therein, the bayonet connection cannot be released. The rods 5 are inserted through aperture 2b in the top of the post, which aperture is closed by a rod 4. The rod 4 can be removed by insertion of a tool through aperture 2c. In a road signal post (Fig. 7) the locking of the bayonet connection is achieved by an asciallay displaceable cylindrical member 10. Carried by slots 10a on the bayonet rib 9 at the lower end of the post. The cylinder 10 has a rib 11 at its lower end' which engages a slot 12a in member 12 of base plate 13 when the post is rotated to a position where the bayonet rib 9 is at 90 to the bayonet slot 7a. A tool is introduced through slots 2d, and 10b to raise the cylinder to allow the post to be rotated for removal. The posts are formed with a weakened section 6 just above the pedestal.
Patent GB-1408735-A (GB)
Title: Support assembly for a vehicle battery or batteries
IPC: B60R16/04
Filed: 1973-11-01
Abstract: 1408735 Mounting batteries DAIMLERBENZ AG 1 Nov 1973 [3 Nov 1972] 50799/73  Heading B7H A support assembly for a vehicle battery or batteries in addition to other vehicle components comprises a supporting bracket 2 attachable to the chassis frame 1 of a vehicle and adapted for supporting vehicle components such as compressed air reservoirs 3 of the vehicle braking system, and a separate torsionally rigid underfrarne 5 adapted to receive the battery or batteries 4 and fixed on the bracket 2 with the interposition of elastic elements such as annular rubber mountings 6.