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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7367422 | System and method for providing passive noise reduction A passive noise reduction apparatus has a headset with at least one ear cup attached to the headset, the ear cup having an ear side and a shell side. An inner shell, having a cup side and an outer side, is mounted to and substantially covers the shell side of the ea... | 05/06/2008 |
| 7314112 | Method and device for utilization of a stethoscope as a neurological diagnostic tool and percussion tool A tool for neurological and diagnostic testing comprises the combination of a stethoscope with a reflex hammer including a light. When mounted on the stethoscope head the reflex hammer extends beyond the head, without interfering with the normal use of the stethosco... | 01/01/2008 |
| 7164760 | Audible caller identification with nametag storage The present invention provides a system and method for audible caller identification with nametag storage. A call signal is received, the call signal including an automatic number identification. A determination is made whether the automatic number identification ma... | 01/16/2007 |
| 7117971 | Stethoscope cover applicator A stethoscope cover applicator for facilitating application of a protective membrane to the stethoscope includes a membrane member configured to be selectively secured to a diaphragm of the stethoscope to inhibit contact between the skin of the patient and the steth... | 10/10/2006 |
| 6966400 | Method and device for utilization of a stethoscope as a neurological diagnostic tool and percussion tool A tool for neurological and diagnostic testing comprises the combination of a stethoscope with a reflex hammer. When mounted on the stethoscope head the reflex hammer extends beyond the head, without interfering with the normal use of the stethoscope. A handle, whic... | 11/22/2005 |
| 6954971 | Method for simultaneously making a plurality of acoustic signal sensor elements A fetal heart monitoring system preferably comprising a backing plate having a generally concave front surface and a generally convex back surface, and at least one sensor element attached to the concave front surface for acquiring acoustic fetal heart signals produ... | 10/18/2005 |
| 6848537 | Stethoscope A stethoscope is described. The stethoscope includes a head assembly, an ear piece assembly, and a tubing assembly. The tubing assembly has a first end connected to the head assembly and a second end connected to the ear piece assembly. The tubing assembly includes ... | 02/01/2005 |
| 6766030 | Hearing aid receiver with external mechanical shock and vibration damper and hearing aid that uses it Vibration from a hearing aid receiver (and mechanical shock caused by dropping the hearing aid in which it is installed) is damped by a low-durometer elastomeric component that is adhered external to the receiver. The component may be filled with an electrically non... | 07/20/2004 |
| 6499560 | Disposable stethoscope diaphragm and dispenser A disposable diaphragm assembly for use with al types of conventional stethoscopes and a universal retainer ring for retro-fitting conventional stethoscopes to accept the disposable diaphragm assembly. A novel stethoscope for use with the disposable diaph... | 12/31/2002 |
| 6467568 | Practical stethoscope cover and dispenser therefor The practical stethoscope cover of this invention in its most essential elements, comprises any form of material which acts as an effective, inexpensive and acoustically transmissive barrier means for easy application and removal from the head, or heads, ... | 10/22/2002 |
| 6279677 | Disposable diaphragm stethoscope A stethoscope head for joining to an earpiece assembly. The head has a generally tubular neck for joining the head to the earpiece assembly. An anterior chamber has an open face with an aperture at its apex and an outer rim. The bell is adapted to gather ... | 08/28/2001 |
| 6244376 | Stethoscope head A stethoscope head for a one-way stethoscope with a membrane. The stethoscope has a funnel or bell-shaped resonance body. A membrane and the resonance body enclose a resonance chamber that is interconnected to the air column in the lumen of a tube. A caps... | 06/12/2001 |
| 6216816 | Stethoscope having two input devices A stethoscope having a chest-piece which is composed of a base member fixed to flexible tubes, a pickup mounting member rotatable about a first axis relative to the base member, and a plurality of pickups carried by the pickup mounting member. The plurali... | 04/17/2001 |
| 6178250 | Acoustic point source Acoustic point source transducer apparatus including a high-output acoustic sound source propagating sound through a long, flexible tubing having an open end with a small diameter. Sound radiates from the small diameter open end effectively acting as an a... | 01/23/2001 |
| 6138790 | Band earplug adapted to prevent soiling A noise blocking band earplug has a band (12) with outer portions (44, 46) that are bent to prevent the ear-engaging pods (20, 22) from touching the ground, whether placed right-side-up or upside-down on the ground. When the middle region (32) of the band... | 10/31/2000 |
| 6119806 | Multiple phase acoustic systems An acoustic device has first and second conduits such that the first conduit has an inlet and an outlet, and the second conduit encloses a material that is different from the material in the first conduit, or encloses the same material as that in the firs... | 09/19/2000 |
| 6065563 | Belt-mounted stethoscope supporting device A stethoscope supporting device is provided including a back plate and front portion for securing a stethoscope to the back plate. Connected to the back plate is a clip for securing the same on an article of clothing.... | 05/23/2000 |
| 6041889 | Stethoscope head cover dispensing arrangement A plurality of single diaphragm cover dispensable assemblies (11) each of which has a stethoscope diaphragm cover (12) having a thin plastic body member (16) to which there is applied a pressure sensitive adhesive layer (26) mounted on an adhesive protect... | 03/28/2000 |
| 6028942 | Stethoscope with reduced susceptibility to interference from ambient noise A stethoscope, and a stethoscope chestpiece, with an increased signal to noise ratio. The invention concerns mechanical improvements to both traditional mechano-acoustic stethoscopes, and to electronic stethoscopes. The stethoscope chestpieces of this inv... | 02/22/2000 |
| 6026170 | Electronic stethoscope with idealized bell and idealized diaphragm modes An electronic stethoscope emulates the frequency response of a standard acoustical stethoscope in both bell and diaphragm modes, while providing additional features attainable only with an electronic stethoscope, such as signal amplification, noise reduct... | 02/15/2000 |
| 6019186 | Disposable stethoscope assembly A thin, disposable shield serves as a sanitary cover as well as a diaphragm for a stethoscope. The shield has a circular line of perforations, resulting in a central disk portion and an outer ring portion. The shield is releasably secured to the rim, pref... | 02/01/2000 |
| 6015024 | Stethoscope head with removable bells A stethoscope head with multiple removable diaphragm structures and bell components for adapting the stethoscope for use with infants or adults, or on sites having less skin area, such as between the ribs is described. The bell components further include ... | 01/18/2000 |
| 6009971 | Self-adherent disposable stethoscope shield system A stethoscope shield unit comprising a plurality of substantially planar shield stacked one upon the other, each of the shields including a first surface having an adhesive applied thereto and a second surface such that adjacent shields adhere to one anot... | 01/04/2000 |
| 5952618 | Acoustic conduit for use with a stethoscope An acoustic conduit includes an outer tube and two independent inner tubes. The outer tube is formed of a first material having a first density. The inner tubes are formed of springs of a second material having a second density and each creates an acousti... | 09/14/1999 |
| 5949032 | Stethoscope cover and covered stethoscope A stethoscope is fitted with a disposable cover to prevent cross contamination between patients. The cover is formed as a shield of material which is impermeable to liquids but which transmits sound waves. Adhesive is applied in a predetermined pattern on... | 09/07/1999 |
| 5945640 | Stethoscope chestpiece having two suspended diaphragms A stethoscope has a dual-sided stethoscope head. The stethoscope head includes a body member having first and second opposite sound collecting sides. Each of the first and second sound collecting sides has a suspended diaphragm member. Preferably, one sid... | 08/31/1999 |
| 5945641 | Stethoscope structure A stethoscope includes a tubing having a first end to which an adapter is releasably mounted and second ends to which a pair of binaurals are mounted and a plurality of chest pieces selectively and interchangeably connected to the adapter. Each of the che... | 08/31/1999 |
| 5920038 | Stethoscope device assembly A stethoscope device assembly which is adapted to monitor a surface sound on a body surface of a mammalian body and includes an earpiece assembly which is acoustically coupled to a sound receiver assembly. A sound transmission member is coupled to and ext... | 07/06/1999 |
| 5883339 | Vibration isolation mount for a stethoscope chestpiece, and methods of using same A mechanical system for reducing unwanted vibration of a stethoscope chestpiece, which reduces the signal components of the chestpiece output due to sources of vibration other than internal physiologic processes within the patient's body. The system inclu... | 03/16/1999 |
| 5861584 | Stethoscope A stethoscope includes a chestpiece with at least one sound gathering device, a binaural assembly with two earpieces, and a sound transmission unit between the chestpiece and the binaural assembly for transmitting auscultatory sounds from the chestpiece t... | 01/19/1999 |
| 5808244 | Protective cover for a contact surface for a stethoscope A protective cover for a contact surface of a stethoscope having a planar section of film material with a static charge placed therein. The planar section of film material has a top surface and a bottom surface. The section of film material has an area gr... | 09/15/1998 |
| 5796053 | Stethoscope structure A stethoscope includes a pair of binaurals and a chest piece with a rubber tube extending and connected therebetween. The chest piece has a body defining therein a cavity for movably receiving a frequency switching member which is movable between a first ... | 08/18/1998 |
| 5747752 | Stethoscope with disposable chestpiece A removable and disposable chestpiece for a stethoscope. The chestpiece comprises a unitary disk-like chamber have opposed walls connected by a peripheral wall. One of the opposed walls is provided with a central opening. The head of the stethoscope is pr... | 05/05/1998 |
| 5663532 | Ergonometric stethoscope chestpiece An ergonometric chestpiece for a stethoscope adapted to receive auscultatory sounds from a body and adapted to be coupled to an earpiece for a user. The chestpiece is adapted to be grasped by a thumb and at least one finger of the user. The chestpiece has... | 09/02/1997 |
| 5616890 | Binaural stethoscope allowing surrounding noises to be heard A stethoscope comprising two earpieces (1,2) which are connected to an endpiece (3) for capturing sounds via a route for transmission (4 to 7) of the captured sounds, the endpiece being held in one hand by a practitioner during auscultation of a patient. ... | 04/01/1997 |
| 5578799 | Patient-to-transducer interface device A disposable patient-to-transducer interface device for use in securely holding a transducer such as a stethoscope head positioned against the skin surface of a patient. The interface device may be adhered to the patient's skin surface and the stethoscope... | 11/26/1996 |
| 5514840 | Stethoscope A chesthead having a pair of acoustic chambers, each of which is provided with a diametrically arranged wall separating the acoustic chamber into two portions. The two portions in each chamber are connected selectively to a pair of sound tubes so that dua... | 05/07/1996 |
| 5498841 | Dual acoustical passage stethoscope A stethoscope head having a first pair of acoustical passages in sound communication with a low frequency sound receiving bell and a second pair of acoustical passages in sound communication with a high frequency sound receiving diaphragm. A cylindrical v... | 03/12/1996 |
| 5486659 | Stethoscope protection device and method for using same Stethoscope-protecting bags for protecting a stethoscope from contamination during a stethoscopic examination are provided.... | 01/23/1996 |
| 5448025 | Cover for stethoscope head A cover for temporary securement to a rigid stethoscope head to completely cover a diaphragm within the interior of the stethoscope head and seal the interior and the diaphragm from the ambient atmosphere. The cover includes a flat, double-sided, thin pla... | 09/05/1995 |
