Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 6850138 | Vibration actuator having an elastic member between a suspension plate and a magnetic circuit device A vibration actuator in which a magnetic circuit device (1,2,3) is elastically suspended to a vibration transmitter (12) by a suspension plate (5)in a predetermined direction, a primary elastic member (6a) is interposed between the... | 02/01/2005 |
| 6819227 | Acoustic signal generator, and method for generating an acoustic signal An acoustic signal generator, and a method for generating an acoustic signal are described. The acoustic signal generator has a membrane that can oscillate, a deflection sensor for detecting any deflection of the membrane, an exciter configuration that is coupled to... | 11/16/2004 |
| 6433674 | Electromagnetic sound generator An electromagnetic sound generator has a vibrating plate mounted in a case. An armature is secured on the vibrating plate at a central portion thereof. The armature has a concave spherical shape.... | 08/13/2002 |
| 5894264 | Apparatus for generating an audible tone An apparatus for generating a audible tone is disclosed. The apparatus includes a non-ferromagnetic container 105, a ferromagnetic member 110, a coil 115, a first stationary lead wire 175, a second stationary lead wire 180, and a flexible ferromagnetic di... | 04/13/1999 |
| 5650763 | Non-linear reciprocating device A non-linear reciprocating device (100, 200) includes an armature (12) including non-linear suspension members (14, 16); a compliant contactor (50, 72), coupled to a power source (BT), and further coupled to the armature (12) for generating an interruptin... | 07/22/1997 |
| 5596477 | Contactless signaling device A contactless signaling device for operating a horn or bell is disclosed. The signaling device has an electro-magnetic coil which drives an armature. A light source is positioned opposite a light sensor and a shutter portion of the armature moves between ... | 01/21/1997 |
| 5546069 | Taut armature resonant impulse transducer An taut armature, resonant impulse transducer (100) includes an armature (12), including an upper (14) and a lower (16) non-linear resonant suspension member, each including at least two juxtaposed planar compound beams (202, 204 and 206, 208) connected s... | 08/13/1996 |
| 5420563 | Motor-vehicle horn The horn includes a support casing (1 to 3) in which the peripheries of two facing diaphragms (10, 11) are restrained, a chamber (12) of variable volume being defined between the diaphragms (10, 11) and communicating with a sound-emission duct (50, 51, 70... | 05/30/1995 |
| 4028503 | Electromagnetic sound generator A sound generator is disclosed having an armature of magnetizable material carried by a membrane fixed along its periphery to a frame carrying an alternating current electromagnetic circuit including coils and at least one pair of poles, said armature con... | 06/07/1977 |
