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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 8172035 | Waterproofing loudspeaker cones A water-resistant composite paper, suitable for use as a loudspeaker component, is made from a composition including hydrophobic fibers, stiffening fibers that retain stiffness when wet, and fluorocarbon. In some examples, fibrillated acrylic fibers and glass fibers... | 05/08/2012 |
| 7913808 | Waterproofing loudspeaker cones A water-resistant composite paper, suitable for use as a loudspeaker component, is made from a composition including wood pulp, hydrophobic fibers, and stiffening fibers that retain stiffness when wet. In some examples, fibrillated acrylic fibers and glass fibers ar... | 03/29/2011 |
| 7849958 | Vibration system part for speaker device and manufacturing method thereof A Vibration system part for a speaker device includes a woven fabric or a non-woven fabric made of basalt fiber produced by twist yarn or roving yarn being a continuous long-fiber. The vibration system part for the speaker device may be a diaphragm, a center cap, an... | 12/14/2010 |
| 7845461 | Acoustic diaphragm and speaker An acoustic diaphragm includes a diaphragm formed of a uniform material and a first standing wave suppression member provided on a surface of the diaphragm along a first direction of passing through a center of the diaphragm. ... | 12/07/2010 |
| 7753164 | Membranes made of cast polyarylate film Thermoformed diaphragms made of cast polyarylate films, at least comprising one polyarylate (PAR) having a structural unit of the formula (I): where each of R1, R2, R3, and R4, in... | 07/13/2010 |
| 7677355 | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers On one surface of a piece of wooden sheet, a cloth or paper is adhered to make an adhered sheet. An approximately V-shaped notch is provided on the adhered sheet, the adhered sheet is wetted to be softened, and a lubricant which acts to keep water is impregnated the... | 03/16/2010 |
| 7546897 | Speaker diaphragm and method of manufacturing speaker diaphragm A speaker diaphragm made of a resin containing a thermoplastic polymeric material is provided. The speaker diaphragm includes a changed portion formed on the diaphragm that is molded using the resin. The changed portion is formed by partially changing physical prope... | 06/16/2009 |
| 7467686 | Speaker diaphragms, manufacturing methods of the same, and dynamic speakers On one surface of a piece of wooden sheet, a cloth or paper is adhered to make an adhered sheet. An approximately V-shaped notch is provided on the adhered sheet, the adhered sheet is wetted to be softened, and a lubricant which acts to keep water is impregnated the... | 12/23/2008 |
| 7418109 | Diaphragm structure of light sound converter A diaphragm (1) of a light sound converter which has a high performance, is suitable for mass-production and has a slit (1s) formed therein. A light emitting element and a light receiving element are disposed at positions opposed to a reflective... | 08/26/2008 |
| 7344001 | Speaker diaphragm and speaker structure A speaker diaphragm includes a base material impregnated with a thermosetting resin composition. The base material includes a first surface material, a core material, and a second surface material in the stated order; the first surface material and the second surfac... | 03/18/2008 |
| 7332215 | Resin-molded component and method for manufacturing thereof as well as diaphragm for loudspeaker A resin-molded component such as a loudspeaker diaphragm, in which rigidity is enhanced while light weight and high specific modulus of elasticity are maintained, is formed by applying carbon dioxide gas with a predetermined pressure to a thermoplastic resin in whic... | 02/19/2008 |
| 7306073 | Electroacoustic transducer comprising a membrane with a middle area comprising stiffening grooves A membrane (20) has a membrane axis (5) and a middle area (50), a central cup-shaped depression (52) being provided around said membrane axis (5), which depression (52) preferably has a connecting channel (53), wherei... | 12/11/2007 |
| 7290639 | Method for manufacturing speaker-use center cap A method is for manufacturing a speaker-use center cap provided with a first cap member layer of synthetic resin and a second cap member layer layered in intimate contact with the first cap member layer and made of a material different from that of the first cap mem... | 11/06/2007 |
| 7290364 | Non-rectangular shaped credit card with case A non-rectangular or asymmetrically shaped credit card or phone card with an associated case or holder. The card has a configuration that complements the configuration of the case so that the card is easily removed from the holder for access, yet is maintained insid... | 11/06/2007 |
| 7280668 | Ceramic metal matrix diaphragm for loudspeakers This invention provides a method of manufacturing speaker diaphragm for a loudspeaker that has a composite material formed of two layers of ceramic material separated by a light metal substrate and where the core is formed by stamping a sheet of standard gauge alumi... | 10/09/2007 |
| 7123738 | Loudspeaker The present invention is directed to a speaker using lightweight, highly rigid diaphragm having excellent frequency characteristic and improving resistance to environment (including resistance to UV and resistance to fading). For this end, the speaker utilizes a con... | 10/17/2006 |
| 7113740 | Portable radio apparatus A portable radio apparatus has a radio circuit (9) provided on a printed circuit board (5), a speaker (8) provided on a rear cover (2), and a shield case (10) provided to cover the radio circuit (9). In the shield case (1... | 09/26/2006 |
| 7027609 | Diaphragm for speakers A diaphragm for a speaker comprises a metal cone 2 and a paper auxiliary cone 4 bonded integrally to the center portion of the metal cone 2. ... | 04/11/2006 |
| 6993147 | Low cost broad range loudspeaker and system A loudspeaker has a diaphragm with a voice coil disposed about its perimeter and extending in a gap into which the flux of an annular rare earth magnet is focused. An opening behind the diaphragm communicates through the speaker frame. The voice coil may have two or... | 01/31/2006 |
| 6978861 | Connection of sound bowl of loudspeaker A connection of the sound bowl and connecting portion of a loudspeaker is disclosed. The connection area is adhered with the elastic materials similar to the materials of sound bowl and connecting portion in order to beautify the appearance of loudspeaker and enhanc... | 12/27/2005 |
| 6929092 | Speaker diaphragm A speaker diaphragm that has a high heat-radiation efficiency. The speaker diaphragm includes a diaphragm main body made from a resin, and a metallic plate adhered to a major acoustic surface of the diaphragm main body adjacent a voice coil bobbin. The voice coil bo... | 08/16/2005 |
| 6857501 | Method of forming parylene-diaphragm piezoelectric acoustic transducers A micromachined acoustic transducer comprising a parylene diaphragm piezoelectric transducer. The parylene diaphragm has far lower stiffness than the silicon nitride. The method for fabricating the parylene diaphragm acoustic transducer utilizes a prestructured disp... | 02/22/2005 |
| 6804371 | Speaker having a laser vibration diaphragm A speaker includes a housing having a diffusion opening provided with a laser vibration diaphragm. The laser vibration diaphragm has reflective spatial patterns, so that the speaker may present multiple-image variations under different rays of light, thereby enhanci... | 10/12/2004 |
| 6748090 | Multi-mode radiator panels The invention relates to a system with multi-mode radiator panels used to reproduce sound. The multi-mode radiator panels include at least one driver, a core layer and two cover layers connected to the core layer. The panels are typically mounted in a frame with att... | 06/08/2004 |
| 6742622 | Molded foam resin, process for forming the same and speaker diaphragm consisting of the same A molded foam resin, surface of which can be designed easily at low cost, a process for forming a molded foam resin, and a speaker diaphragm made of molded foam resin are provided, in which a molded foam resin is formed by injection molding of foaming agent-containi... | 06/01/2004 |
| 6740202 | Speaker diaphragm and method of manufacturing same A speaker diaphragm is formed from a material combining a fiber-type material and a ceramic-type-coating agent including metal alkoxide, metal hydroxide, and a colloidal or fine-particulate inorganic substance. The combining process for the ceramic-type-coating agen... | 05/25/2004 |
| 6694039 | Loudspeaker A loudspeaker having a cone made of magnesium-lithium alloy, comprising of a frame structure, having an expanded opening disposed at the front end and a magnetic element disposed at the rear end; a voice coil, disposed in the middle of the magnetic elemen... | 02/17/2004 |
| 6644182 | Method of producing cone diaphragm having color patterns A method of producing cone diaphragm having color patterns includes steps of using a fiber-made thin sheet as a base material; printing the base material with a high molecular ink; soaking the printed base material in a high molecular resin material; or a... | 11/11/2003 |
| 6640925 | Loudspeaker diaphragm and method of manufacture thereof A method of manufacturing a loudspeaker diaphragm comprising moulding it from a flowable polyolefin or other plastics material such that part of the material flows during moulding a distance equal to at least 300 times the thickness of that part of materi... | 11/04/2003 |
| 6591938 | Speaker diaphragm The speaker diaphragm of the present invention includes a nonwoven fabric impregnated with at least a thermosetting resin composition, molded, and cured. The nonwoven fabric is formed of a fiber material containing protein fibers. The thermosetting resin ... | 07/15/2003 |
| 6590993 | Panel-shaped loudspeaker A panel-shaped loudspeaker includes a panel (1) and an exciter coupled to the panel. The panel is provided with two parallel extending thin walls (1a, 1b) which are interconnected by a structure of thin strip-shaped partitions (1c) situated between the wa... | 07/08/2003 |
| 6554962 | Loudspeaker diaphragm A loudspeaker in which the input resistance is improved and the effect of humidity on the playback frequency response is suppressed, and a method for the preparation of the loudspeaker. A sheet-like product, containing glass particles with a particle size... | 04/29/2003 |
| 6543573 | Speaker unit, speaker system, and speaker diaphragm manufacturing method The present invention provides a speaker unit comprising a diaphragm of 0.5 to 10 mm thick aromatic polycarbonate with a density of 0.03 to 0.6 g/cm3, and a mechanism for driving the diaphragm. The aromatic polycarbonate used for the diaphragm ... | 04/08/2003 |
| 6510919 | Facing system for a flat panel radiator A flat panel sound radiator system for installation in a suspended ceiling is disclosed. The system is capable of concealing a modular sound radiator so that it appears substantially the same as surrounding ceiling panels. In this way the monolithic appea... | 01/28/2003 |
| 6454046 | Synchronous dustproof cover structure for sound membrane Synchronous dustproof cover structure for sound membrane. The dustproof cover structure being made of a light and rigid material. Multiple reinforcing ribs are perpendicularly disposed on one face of the dustproof cover at equal intervals. Bottom ends of ... | 09/24/2002 |
| 6390232 | Speaker cone assembly A speaker cone assembly comprises a felted paper-type cone fabricated of a composite material and a molded surround. The composite cone material contains natural fibers and synthetic fibers, where the synthetic fibers are able to chemically bond to materi... | 05/21/2002 |
| 6378649 | Speaker member and manufacturing method thereof The speaker member of the present invention comprises (a) a vibrating plate part comprising a base material, a part of the base material being impregnated with a thermosetting resin; and (b) an edge part containing the same base material as that of the vi... | 04/30/2002 |
| 6347683 | Loudspeaker and process for manufacturing a loudspeaker The loudspeaker comprises a cone (2) and a beading (4) attached to the cone (2). The beading (4) is composed of a sprayable plastic layer which is soft in its solid state. The manufacture of the loudspeaker is facilitated by a process in which an open neg... | 02/19/2002 |
| 6334504 | Molded foam resin, process for forming the same and speaker diaphragm consisting of the same A molded foam resin, surface of which can be designed easily at low cost, a process for forming a molded foam resin, and a speaker diaphragm made of molded foam resin are provided, in which a molded foam resin is formed by injection molding of foaming age... | 01/01/2002 |
| 6332508 | Loudspeaker and method for producing the same The loudspeaker comprises a cone (2) and a beading (4) attached to the cone (2). The beading (4) is composed of a sprayable plastic layer which is soft in its solid state. The manufacture of the loudspeaker is facilitated by a process in which an open neg... | 12/25/2001 |
