4. Acoustics
  5. Sound-modifying means
  6. Intensifying horn

Kenji Koiwa

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Combination actuator with speed variable mechanism

Motors: expansible chamber type – Working member position responsive motive fluid control – Working member carries part within working chamber which...
Reexamination Certificate

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Horn unit for a speaker

Acoustics – Sound-modifying means – Intensifying horn
Patent

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Rotary actuator with cushion mechanism

Motors: expansible chamber type – Working member position responsive motive fluid control – Working member carries part within working chamber which...
Reexamination Certificate

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Rotary actuator with cushion mechanism

Motors: expansible chamber type – Cyclically operable – Oscillating working member
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1853875

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