СПИСОК патентов США - подгруппа МПК16 H04R9/16


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№ п/п Номер патента Название патента

2016

19497548Moving-coil type stereo pickup cartridge

1989

24884262Magnetic system for a stereo pick-up with a movable coil

1987

34675859Intensified field focus moving coil phonocartridge assembly
44637009Grounding circuit for pickup cartridge moving coil

1985

54558443Moving coil type pickup cartridge
64547874Moving coil type cartridge mounted on cantilever within central opening of ring magnet
74519063Phono pickup cartridge
84494227Stereo phono pick-up and/or cutter

1984

94488284Moving-coil type pickup cartridge
104455639Moving coil type pickup cartridge
114437179Phono pickup cartridge
124429379Device for controlling tone arm carrying moving coil type pickup

1983

134385375Moving coil type phono cartridge
144376304Moving coil type stereophonic pickup cartridge
154374433Stereo pickup with printed circuit coils mounted in a linear field

1982

164364120Pickup cartridge of moving coil type for phonograph
174345322Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk
184327433Magnetic phono cartridge
194317191Moving coil pickup cartridge

1981

204281225Pickup cartridge for reproducing signals recorded on a 45-45 stereophonic record disk
214272652Moving coil type stereophonic pickup cartridge
224263483Moving coil pick-up assembly for use in a record player
234251695Pickup cartridge having means for producing magnetic fields of opposite directions for coil plate
244246446Moving coil pick-up with coils printed on opposite sides of waver

1980

254238646Pickup cartridge for reproducing signals recorded on a 45--45 stereophonic record disk
264237349Compact moving-coil pickup of low weight and high quality
274233476Moving coil type cartridge
284220341Pickup
294218591Phonograph cartridge with very hard metal ceramic frame
304209670Moving-coil type pickup cartridge

1979

314161631Pickup cartridge
324145582Moving coil pickup having a substantially square magnetic armature mounted in an air gap adjacent a square face magnetic member
334138122Pickup

1978

344124783Phonographic pickup
354093833Moving coil cartridge with magnetic means to affix stylus holder to cartridge casing
364090039Electrodynamic transducer

1977

374011417Dynamic type pickup
384001519Pick-up cartridges for gramophone records

1976

393988025Record disc cutting apparatus
403956598Moving coil pickup cartridge with diaphragm coupling
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Дата формирования списка: 03.04.2017