baber/WOPTO huggingface dataset:
Patent GB-1328883-A (GB)
Title: Dispensing and spreading devices
IPC: A01C15/00
Filed: 1971-05-20
Abstract: 1328883 Spreading implement H K PRICHARD 20 May 1971 [13 June 1970] 28741/70 Heading A1D [Also in Division F2] A dispensing and spreading implement intended for horticultural fertilisers, seeds and similar particulates, has a main body 13 supported on wheels 41, a container 11 and an oscillatably movable outlet spout 20 leading from the the container. The spout is oscillated by a projection 24 which follows a sinuous slot provided in a transmission member 50 rotatable with the support wheels 41 preferably by means of axle 40. A vertical gate 30 for control of material flow from the container is raised and lowered by a rotatable knob 34 having an eccentric pin engaging a horizontal slot 32 in the gate. The spout outlet end 25 is closed by a plug 27 not rotatably guided by guides 28. A constricting plate 27b with a central aperture directs the material to a shield 27a which directs it out of oppositely disposed apertures 29 in the side walls of the spout. Axle 40 may be driven only in one direction by wheels 41 a suitable freewheel device (see Division F2) being provided.  (For Figures see next page)
Patent GB-1334846-A (GB)
Title: Indicating apparatus
IPC: G01P3/489
Filed: 1970-10-16
Abstract: 1334846 Indicating apparatus SMITHS INDUSTRIES Ltd 16 Oct 1970 [14 Oct 1969] 31406/73 Divided out of 1334845 Heading G4H [Also in Division G1] The speed of a vehicle is displayed by selectively energizing display sections as in the indicator of Specification 1,334,845, except that liquid crystal display sections are used in place of the semi-conductor light emitters.
Patent GB-1336307-A (GB)
Title: Small boats
IPC: B63B7/04
Filed: 1970-12-31
Abstract: 1336307 Folding boats GEORGE MARINE Ltd 31 Dec 1970 [31 Dec 1969] 63547/69 Heading B7A A boat comprises a pair of sections 1, 2 hinged together at 3, 4, 5 and 6 so that, on removal of thwart 8, they can be swung together to form a compact container for loose equipment and can be secured together by a padlock (16) passed through a hasp 15. The boat can be of reinforced plastics material-, canvas or wood, or it can be an inflatable craft. In a modification (not shown) the craft can fold about one or more other axes.
Patent GB-1338620-A (GB)
Title: 4-alkoxy-1,2-methylenedioxybenzenes
IPC: C07D317/64
Filed: 1971-12-20
Abstract: 1338620 4-Alkoxy-1,2-methylene dioxybenzenes DOW CHEMICAL CO 20 Dec 1971 59065/71 Heading C2C 4-Alkoxy-1,2-methylenedioxybenzenes of the general formula in which R is 3,7-dimethyloctyl, 4,8-dimethyldecyl, 4-methyldecyl, 3,7,11-trimethyldodecyl, 4-ethyl-8-methyldecyl, 4-ethyl-8-methylnonyl, or 3,7-dimethylnonyl are prepared by reacting 3,4-methylenedioxyphenol with an alkyl halide having the formula RX in which X is chloro, bromo or iodo in the presence of an alkali metal hydroxide. Compounds claimed per se are 4- (3,7 - dimethyloctyloxy) - 1,2 - methylenedioxybenzene; 4-(4,8-dimethyldecyloxy)-1,2-methylenedioxybenzene; 4(4-ethyl-8-methyldecyloxy) 1,2-methylenedioxybenzene. The compounds have controlling, inhibiting or arresting influence on the normal metamorphic maturation of insects. The compounds may be applied directly to feedstuffs and seeds and made up in bait form.
Patent GB-1346427-A (GB)
Title: Flash evaporation plant
IPC: B01D3/06
Filed: 1971-09-24
Abstract: 1346427 Flash evaporators WEIR WESTGARTH Ltd 24 Sept 1971 [24 Sept 1970] 45608/70 Heading B1B In an evaporator wherein liquid flows through a series of flash stages 10, 20 .. at decreasing pressure, the vapour evolved in each stage being condensed on pipes 11 and the condensate being collected in trays (not shown), the incondensable gases released in stage 10 are passed through pipe 12a and perforated plate 13 so that the gases bubble through the liquid in stage 20 thereby facilitating the formation of vapour-bubbles within the liquid. Plate 13 extends the full width of the flash stage. In a modified apparatus, perforated plate 13 is upstream of weir plate 3. Other sources of incondensable gas may be used; e.g. a fresh supply of liquid which contains incondensable gases in solution may be injected into the stream at selected stages in which the conditions of temperature and pressure are such that the gases come out of solution and form gas bubbles.
Patent GB-1350394-A (GB)
Title: Furniture
IPC: A47B47/05
Filed: 1971-03-30
Abstract: 1350394 Cabinets; furniture frames and joints E N GIGANTE 30 March 1971 8247/71 Headings A4B and A4H [Also in Division F2] A cabinet comprises a skeleton framework which includes U-section posts 8, 8A formed with spaced grooves 8B, the posts being interconnected by longitudinal beams 1 and transverse cross-beams 6, the longitudinal beams 1 having facing grooves to receive the edges of sliding doors 2, 2A, 3, 3A and each having on its inner face a central longitudinal groove 1E and spaced grooves 1F on opposite sides thereof, and the beams 1 being connected to the posts 8 by T- shaped locking elements 10 co-operating with U-shaped clamps 11, each element 10 engaging over the post 8 with its web 10B engaged in the central beam groove 1E and being held in position by the clamp 11 which has end flanges 11A slidably engaged in the spaced beam grooves 1F behind inturned flanges of the grooves 1F. Each cross-beam 6 is secured to a post 8 by fixing elements 17 having resilient inner ends 17A sprung into engagement with the interior of the post 8 and a resilient, bifurcated opposite end 17B pushed into an open end of the crossbeam 6 until tabs 17C on the end 17B snap into openings 6A in the cross-beam 6. Shelves 7A are supported on beams 16 engaged at their ends in the post grooves 8B. Panels are fitted to the top, bottom, back and sides of the framework. A sealing strip 25 may be carried at the front, side edge of the cabinet to cover the space between a cabinet side and an adjacent room wall. (For Figures see next page)
Patent GB-1353650-A (GB)
Title: Electrical signal conversion device
IPC: H03M1/00
Filed: 1971-04-19
Abstract: 1353650 Transformers TECHNICAL MANAGEMENT SERVICES Inc 19 April 1971 [27 Jan 1970] 47155/73 Divided out of 1353648 Heading HIT A transformer has a magnetic core and a winding of coaxial cable with impedances matched to the characteristic impedance of the cable connected between the shield and the internal conductor. As shown, the transformer has a toroidal core constructed of a spiral of a thin strip of high permeability magnetic material 270. The tape may be 0À002 inches thick. A conductive aluminium shield 272 in two halves 274, 276 surrounds the core and is insulated therefrom. The coaxial cable 278 forms a combined drive and sense winding and is terminated by resistors 284, 286 equal to the characteristic impedance of the line. Isolation between shield and internal conductor is by series LC circuit 290, 288 which presents a short circuit at the cable resonant frequency and a high impedance at operating frequency. The secondaries may comprise a plurality of windings with 1, 2, 4 ... 2<SP>n</SP> torrs and can be joined by FET switches to vary the output voltage.
Patent GB-1354798-A (GB)
Title: Photoelectrophoretic imaging process
IPC: G03G17/04
Filed: 1971-09-21
Abstract: 1354798 Photo-electrophoretic imaging A POOLE (Xerox Corp) 21 Sept 1971 43899/71 Heading G2H A method of photo-electrophoretic imaging comprises the steps of (a) applying a photoelectrophoretic suspension layer 5 from a roller 3 to an injection electrode plate 1, a charge being simultaneously or subsequently applied, (b) imagewise exposing the layer, and (c) passing a blocking electrode roller 15 over the surface of the layer. Roller 3 may be electrically biased as shown. Alternatively, an electrically biased roller or a corona discharge device may be employed after application of the layer. The injecting electrode may have a coating of photo-conductive material. A positive or negative image may be formed on the injection electrode.
Patent IL-102665-A (IL)
Title: Benzimidazolone derivatives their preparation and pharmaceutical compositions containing them
IPC: A61P25/04
Filed: 1992-07-28
Abstract: Pharmacologically active benzimidazolone derivatives as 5-HT1A and 5-HT2 receptors, useful in the treatment of CNS disorders of formula:   <CHEM>  wherein R1 and R2 may be at the same time or not a hydrogen atom, halogen, trifluoromethyl, C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, C1-6 acyl, carboxyl, C1-6 alkoxy- carbonyl, hydroxy, nitro, amino optionally C1-4 alkyl N-mono or di-substituted, C1-6 acylamino, C1-6 alkoxycarbonylamino, carbamoyl optionally C1-4 alkyl N-mono or di-substituted, cyano, C1-6 alkylsulphinyl, C1-6 alkylsulphonyl, amino sulphonyl optionally C1-4 alkyl N-mono or di-substituted, C1-4 alkyl N-mono or di-substituted aminosulphonylamino, aminosulphonylamino;     R3 is hydrogen, C1-6 alkyl, C2-6 alkenyl or C2-C6 alkynyl;     A is -CO- or -CONH- or it is absent;     B is a straight or branched, saturated or unsaturated C2-6 alkyl;     m and n are both independently an integer from 1 to 3; R4 is an aryl, aralkyl, a heteroaryl or heteroaralkyl group, each group being optionally substituted by one or more substituents selected from halogen, trifluoromethyl, cyano, C1-3 alkoxy, C1-4 alkyland acid addition salts thereof. The process for the preparation of the compounds of formula I as well as pharmaceutical compositions containing them are also described.
Patent IL-104026-A (IL)
Title: Pharmaceutical composition for the improvement of dysuria comprising xanthine derivatives
IPC: A61P15/00
Filed: 1992-12-08
Abstract: Pharmaceutical compositions for the improvement of dysuria comprising a pharmaceutical carrier and a therapeutically effective amount of a xanthine derivative represented by the general formula I <CHEM> wherein R1 denotes a group of the formula R4-CO- or R5R6(OH)C-or a carboxyl group, wherein R4 and R5 independently denote an alkyl group having 1-3 carbon atoms, and R6 denotes a hydrogen atom or an alkyl group having 1-3 carbon atoms, R2 denotes a hydrogen atom, an alkyl group having 1-5 carbon atoms or an alkyloxy group having 1-5 carbon atoms, R3 denotes an alkyl group having 1-3 carbon atoms and n denotes 1-6 or a pharmaceutically acceptable acid addition salt thereof. They are active in prolonging urination intervals and increasing urination threshold pressure with almost no influence upon constrictive force of the bladder. Thus, they are effective in treatment and prevention of dysuria such as pollakiuria and incontinence of urine.
Patent IL-110497-A (IL)
Title: Tire valve
IPC: F16K15/20
Filed: 1994-07-28
Abstract: Improved valve presenting a threaded end (12), intended to the positioning of the valve core which provides for the opening or closing of the air passage. On the threaded end is mounted a device having means for closing the mouth of the valve and for actuating the core, said device including a main single body (52) or a main body (2) and an external body (3) which may be coupled to each other, a stem (4) and a spring (5); the device defines a mouth (31) which has preferably a truncated shape, as well as various peripheral external ribs (32); the stem has a cylindrical configuration and has at its rear end an axial orifice (41) and is ended at its front part by a head (42) which is preferably truncated so that the valve provides for the supply and discharge of air of a tyre while insuring an air-tight closing due to the action of an O-ring (6) mounted on the push-stem (11) of the valve core. <IMAGE>
Patent IL-114027-A (IL)
Title: 4-Phenyl piperazine (piperidine or tetrahydropyridine) derivatives serotinin 5-HT1A and dopamin D2 receptor ligand pharmaceutical compositions containing them
IPC: A61P25/28
Filed: 1995-06-07
Abstract: The present invention relates to a series of 4-phenylpiperazines of formula (I)  wherein A is alkylene, alkenylene, alkynylene, and C3-7 cycloalkylene; R1 is a C3-10 alkyl, alkenyl, or alkynyl group, cycloalk(en)yl, cycloalk(en)yl-alk(en/yn)yl, trifluoromethylsulfonyl, or alkylsulfonyl, R2-R5 are optional substituents; R9 and R10 are hydrogen, alkyl or together form an ethylene or propylene bridge, W is O or S; V is O, S, CR6R7, or NR8 wherein R6, R7, and R8 are hydrogen or alkyl, alkenyl, cycloalkyl, cycloalkylalkyl, optionally substituted arylalkyl or aryl, or R6 and R7 constitute a 3-7 membered spiro ring; Z is-(CH2)m-; m being 2 or 3 or Z is -CH=CH-; which show effects on central serotonin 5-HT1A and dopamine D2 receptors. Thus the novel compounds are useful in the treatment of certain psychic and neurologic disorders, in particular psychosis.
Patent IL-115292-A (IL)
Title: Computer based system and method of automatically generating chemical compounds
IPC: G06F17/50
Filed: 1995-09-14
Abstract: A computer based, iterative process for generating chemical entities with defined physical, chemical and/or bioactive properties. During each iteration of the process, (1) a directed diversity chemical library is robotically generated in accordance with robotic synthesis instructions; (2) the compounds in the directed diversity chemical library are analyzed to identify compounds with the desired properties; (3) structure-property data are used to select compounds to be synthesized in the next iteration; and (4) new robotic synthesis instructions are automatically generated to control the synthesis of the directed diversity chemical library for the next iteration.
Patent IL-122664-A (IL)
Title: Esters and amides which are phospholipase A2 inhibitors
IPC: C07D233/54
Filed: 1996-07-18
Abstract: The present invention relates to a novel fatty acid derivative of the following formula:  wherein R1 is acyl group; R2 is acyl(lower)alkyl; R3 is hydrogen, aryl(lower)alkyl, etc; R4 is acyl(lower)alkyl; and X is -O-,   [wherein R5 is lower alkyl, etc]; and a pharmaceutically acceptable salt thereof, which is useful as a medicament; the processes for the preparation of said fatty acid derivative or a salt thereof; a pharmaceutical composition comprising said fatty acid derivative or a pharmaceutically acceptable salt thereof; etc.
Patent IL-124202-A (IL)
Title: NUCLEIC ACID MOLECULE ENCODING Eph TRANSMEMBRANE TYROSINE KINASE FAMILY LIGAND, Efl-6 AND PROTEIN ENCODED THEREBY
IPC: C12P21/08
Filed: 1998-04-23
Abstract: A novel ligand (Efl-6) that binds the Elk subfamily of Eph receptors is identified, and methods for making the soluble Elf-6 ligand in biologically active form is described. A cDNA clone encoding this novel protein enables production of the recombinant protein, which is useful to support neuronal and other eph receptor-bearing cell populations.
Patent IL-145258-A (IL)
Title: Cam activated hydraulic braking system
IPC: B60T13/58
Filed: 2000-03-06
Abstract: A braking system controlled by an operator's pedal for a vehicle equipped with a mechanically actuated brake clutch pack in which a cam is rotated in response to movement of a brake pedal to operate a pressure-modulating hydraulic valve to direct fluid pressure to an hydraulic actuator extendable under pressure to engage a force transfer member secured to an actuator rod, which rod is connected to apply the clutch pack when tensioned.
Patent IL-155053-A (IL)
Title: Revolving sprinkler
Inventor: LUTZKI MOSHE
IPC: B05B15/74
Filed: 2003-03-24
Abstract: A revolving sprinkler comprises a rotatable turret assembly revolving around a rotation axis and formed with mouthpiece(s) suited to sprinkle liquid under pressure. The revolving sprinkler accommodates exchangeable mouthpieces with different throughputs-nozzle to rotation axis distance relationships, without changing a rotation velocity of the turret assembly.
Patent IL-167957-A (IL)
Title: Hydroxypyridine compound
IPC: C07D403/12
Filed: 2001-01-23
Abstract: The present invention relates to an uracil compound of the formula ÄIÜ: Äwherein, Q-R<3> represents a R<3>-substituted group of a 5-membered or 6-membered heterocyclic ring having one or two nitrogen atoms selected from the group consisting of moieties represented in the specification (wherein this heterocyclic ring may be substituted with at least one kind of substituent, Y represents oxygen, sulfur, imino or C1 to C3 alkylimino, R<1> represents C1 to C3 alkyl or C1 to C3 haloalkyl, R<2> represents C1 to C3 alkyl, R<3> represents carboxy C1 to C6 alkyl, C1 to C6 alkoxycarbonyl C1 to C6 alkyl, OR<7>, SR<8>, N(R<9>)R<10> or the like, X<1> represents halogen, cyano, thiocarbamoyl or nitro, X<2> represents hydrogen or halogen. äwherein, each of R<7>, R<8> and R<10> independently represents carboxy C1 to C6 alkyl, C1 to C6 alkoxycarbonyl C1 to C6 alkyl, C1 to C6 haloalkoxycarbonyl C1 to C6 alkyl, or the like, and R<9> represents hydrogen or C1 to C6 alkyl ü Ü. The present compound has an excellent herbicidal activity.
Patent IL-171754-A (IL)
Title: Tanning aids with a high protection factor
IPC: C07D251/70
Filed: 2005-11-03
Abstract: The present invention relates to tanning aids, comprises a polymethyl methacrylate shaped body, where the transparency of the polymethyl methacrylate shaped body at 380 nm is at least 40%, and the polymethyl methacrylate shaped body comprises 0.005 to 0.1% by weight, based on the weight of the polymethyl methacrylate shaped body, of at least one triazine compound according to formula (I) in which R is halogen, C<SUB>1</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>1</SUB>-C<SUB>22</SUB>-alkoxy, C<SUB>I</SUB>-C<SUB>22</SUB>-hydroxyalkoxy, C<SUB>I</SUB>-C<SUB>22</SUB>-alkoxyalkyl, -NHR<SUB>1</SUB>-, -N(R<SUP>1</SUP>)<SUB>2</SUB>, or a radical of the formula (Ia) X<SUP>1</SUP>, X<SUP>2 </SUP>and X<SUP>3</SUP>, independently of one another, are -CONHR<SUP>1</SUP>, -NR<SUP>2</SUP>R<SUP>3</SUP>, -SO<SUB>2</SUB>R<SUP>4</SUP>, -CN, -COR<SUP>5 </SUP>or -COOR<SUP>6</SUP>, R<SUP>1 </SUP>is hydrogen, C<SUB>1</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl, C<SUB>5</SUB>-C<SUB>8</SUB>-cycloalkyl, or a radical of the formula (Ib) in which A<SUB>1 </SUB>is C<SUB>I</SUB>-C<SUB>8</SUB>-alkyl, C<SUB>5</SUB>-C<SUB>6</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl; and m<SUB>1 </SUB>is 1 to 10, R<SUP>2 </SUP>and R<SUP>3</SUP>, independently of one another, are hydrogen, C<SUB>I</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>8</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl, a radical of the formula (Ib) or a radical of the formula -COR<SUP>1</SUP>; R<SUP>4 </SUP>is hydrogen, C<SUB>I</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>8</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl, a radical of the formula (Ib) or a radical of the formula -NR<SUP>2</SUP>R<SUP>3</SUP>; R<SUP>5 </SUP>and R<SUP>6</SUP>, independently of one another, are hydrogen, C<SUB>I</SUB>-C<SUB>22</SUB>-alkyl, C<SUB>6</SUB>-C<SUB>8</SUB>-cycloalkyl, C<SUB>6</SUB>-C<SUB>20</SUB>-aryl, C<SUB>7</SUB>-C<SUB>20</SUB>-aralkyl or a radical of the formula (Ib); X<SUP>4</SUP>, X<SUP>5 </SUP>and X<SUP>6</SUP>, independently of one another, are hydrogen or hydroxyl.
Patent IL-183799-A (IL)
Title: Method and system for encryption by a proxy
IPC: H04N7/167
Filed: 2007-06-10
Abstract: The method involves encrypting a message (m) using a key (a) associated to an emitter, and sending the encrypted message in a conversion module comprising a conversion key and a conversion function. The encrypted message is converted into an encrypted message to be transmitted to the receiver by decryption by a key (b). The conversion key depends on a non trivial value raised to the power of the key (a) and of the key (b). An independent claim is also included for a system for transmitting messages between a transmitter and a receiver.
Patent IL-184289-A (IL)
Title: Distributed aperture display
IPC: G02F/
Filed: 2007-06-28
Abstract: Methods and apparatus are provided for reducing the visual artifacts exhibited by a display employing individually addressable pixels. The apparatus comprises an array of pixels, each pixel having a switchable region of alterable transparency or luminance and a non-switchable region. The switchable region of each pixel is distributed, that is, divided into at least two simultaneously switched portions at least partly separated by a significant portion of the non-switchable region. The first order spatial harmonics and visual artifacts are significantly reduced. For a color display, each color pixel is similarly subdivided.
Patent IL-196371-A (IL)
Title: Process for producing high molecular weight hyaluronic acid
Inventor: RANGASWAMY VIDHYA
Filed: 2009-01-06
Abstract: A process for purifying hyaluronic acid (HA) or its salt from a bacterial fermentation broth comprising: 
(a) diluting and clarifying the fermentation broth; 
(b) precipitating the HA present in the broth with an equal volume of solvent; 
(c) dissolving the precipitated HA or its salt in a solution; 
(d) adding silica gel to the HA solution or HA salt solution from step (c) and then removing the silica gel; 
(e) treating the HA solution or HA salt solution from step (d) with active carbon; and 
(f) diafiltrating the HA solution or HA salt solution from step (e) using about 5 volumes of solvent;  
wherein the process is conducted in the absence of any detergent or surfactant or formalin, and at neutral pH.
Patent IL-200960-A (IL)
Title: Cable cutter device
IPC: B64C/
Filed: 2009-09-15
Abstract: A device (10) for cutting through cables (6) is provided with a jaw (30) having a top portion (31) and a bottom portion (32) which together define a notch (35). The device (10) is provided with a first and second stationary and co-operating sharp edges (33, 34) arranged at a downstream end (35′) of the notch (35) so as to form an angle between each other. The device further includes a rotary blade (50) provided with a body (51) having a tapering side (52), the body (51) being fastened to one of the portions (31, 32) of the jaw (33) so that the tapering side (52) is arranged in the notch (35) upstream from the first and second sharp edges (33, 34).
Patent IN-2014CH00055-A (IN)
Inventor: A SAHAYA GRINSPAN
IPC: B60G/
Filed: 2014-01-06
Abstract: The present invention relates to a suspension system for a vehicle, and more particularly to a trailing arm air suspension system having air springs, leaf springs, jounce stopper assembly, belt assembly and trailing arms integrated with the rear drive axle of the vehicle. A major limiting factor in the conventional vehicle air suspensions system is that it must account for lateral stability of the axle and offer a degree of lateral stability. Therefore, to overcome this problem, to increase the lateral stability in the present invention the air springs are protected by the inclusion of jounce stopper assemblies and belt assemblies, partial load of the rear drive axle is shared by the inclusion of leaf springs, and cornering load experienced in the suspension is endured by the spring shackle assemblies. FIGURE 3
Patent JP-H03297225-A (JP)
Title: Fm radio receiver
Inventor: OUCHI KOICHI
IPC: H04B1/16
Filed: 1990-04-16
Abstract: PURPOSE:To reduce high frequency noise at a middle and a strong input by operating a mute circuit when a noise component signal outputted from a noise component detector reaches a prescribed value or above. CONSTITUTION:An input from an antenna 1 is converted into a signal whose frequency is 10.7MHz, amplified and converted into an original frequency by an FM detector 4, and a stereo demodulator 7 generates an L and an R signal from a main signal and a sub signal via a mute circuit 5A. When the tuning is not taken, noise is increased and a tuning detection signal from a signal meter driving circuit 6 is decreased. Thus, the output of the mute circuit 5A is decreased based on the tuning detection signal, and when the high frequency noise is increased, a noise component signal outputted from a noise component detector 9 is increased and the noise is increased. Thus, even when the noise component signal is a prescribed value or above, the mute circuit 5A applies muting to reduce the high frequency noise component.