Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 6263085 | Surround sound headphones A surround sound headphones for enhancing a wearer's listening experience by providing a surround sound speaker configuration therein. The surround sound headphones includes a headband for wear on a user's head and a pair of earpieces coupled to the headb... | 07/17/2001 |
| 6256386 | Pivotable earpiece assembly An earpiece assembly includes an earbud that is pivotably mounted to a stem. In the use position, the earpiece assembly is preferably generally L-shaped with the face of the earbud being generally parallel to the longitudinal axis of the stem. The earpiec... | 07/03/2001 |
| 6252970 | Headphone A headphone including a band for extending round the back of the neck of a user and having opposite ends, each of which is connected to the band by a swivel connection having a swivel axis. At least one speaker is connected to one end of the band by a hin... | 06/26/2001 |
| 6230029 | Modular wireless headset system A wireless headset system for use with, e.g. mobile phones, and which incorporates a wireless headset which communicates with a base station via magnetic inductive coupling or radio frequency signals to dial and send or receive calls via a conventional ph... | 05/08/2001 |
| 6198821 | Earphone-microphone adapter An adapter for connecting an earphone-microphone set to a mobile telephone such that a muting function is added to the system. Moreover, an older earphone-microphone set can also be connected to a mobile telephone via this adapter.... | 03/06/2001 |
| 6195570 | Mobile terminal provided with display controlling function by detecting insertion of earphone jack When a power source is turned on, a menu screen is displayed on LCD. When the insertion of an earphone jack is detected with the menu screen displayed, display on LCD is automatically switched from the menu screen to a dialing screen. A user can have conv... | 02/27/2001 |
| 6154539 | Headset adapter for microphone and earpiece A microphone and earphone headset assembly, including an earphone housing having a microphone and boom pivotally attached, the earphone housing having a peripheral groove. An earpiece adapter includes a C-shaped clamp for fitting into the peripheral groov... | 11/28/2000 |
| 6148175 | Audio entertainment system An entertainment system (100, 100', 100") is provided which includes a plurality of remote stations (110, 110'). Each of the remote stations includes a microphone (118), a transmit section (112b), a receive section (112a) and at least one audio transducer... | 11/14/2000 |
| 6144864 | Voice communication for handheld computing devices A handheld voice communication system including a handheld computing device and a handset linked to the computing device via a retractable cable. The handheld computing device includes a data display screen and a microphone integrated therein, and the han... | 11/07/2000 |
| 6141540 | Dual mode communication device A communication device (100) operates in first and second modes of operation including a dispatch mode of operation and a telephone mode of operation. The device (100) includes a main body (124) having a top surface (126) and a cover (102). The cover 102 ... | 10/31/2000 |
| 6130953 | Headset A headset including a housing, a resilient, convex headband fixed to the housing, an earphone fixed to the housing and displaceable relative to one end of the headband and a microphone fixed to a swivel arm that is on the housing. The headband has two spa... | 10/10/2000 |
| 6122369 | Communication process device and method therefor A device for attaching a earphone key to an earphone-microphone used for a portable phone and performing communication operations and a method therefor. The communication process device of a portable phone including: an earphone-microphone having an earph... | 09/19/2000 |
| 6104824 | Headphone device with headband arranged around occipital regional of the head A headphone device and to a technique that makes the headphone device both easy to wear and comfortable when being worn. The headphone device is constructed in such a manner that the positional relationship between driver units and auricles does not chang... | 08/15/2000 |
| 6101260 | Communication headset A communications headset has an earpiece housing that rests on top of the ear and which also has a receiver assembly coupled to the earpiece housing. The receiver assembly is rotatable between a position at which the receiver assembly is against the ear a... | 08/08/2000 |
| 6097809 | Adjustable telephone headset A telephone headset including a boom microphone, a earphone, and an ear support constructed and arranged to be adjustable and comfortable for a wearer. The headset is configured with an adjustable ear support to fit a variety of ear sizes without affectin... | 08/01/2000 |
| 6091832 | Wearable personal audio loop apparatus A wearable personal audio apparatus includes one or more wearable U-shaped loop members adapted to fit an individual in a plurality of positions on the individual's body, particularly around the head and neck. The plurality of positions can include positi... | 07/18/2000 |
| 6084976 | Earphone without impulse noise and conductive hearing loss An earphone without impulse noise and conductive hearing includes a loudspeaker having a first sound output end for producing a high intensive sound wave and a second sound output end for producing a low intensive sound wave, and an earphone housing which... | 07/04/2000 |
| 6078825 | Modular wireless headset system for hands free talking A wireless headset system for use with, e.g. mobile phones, and which incorporates a wireless headset which communicates with a base station via magnetic inductive coupling or radio frequency signals to dial and send or receive calls via a conventional ph... | 06/20/2000 |
| 6075857 | Motor cycle helmet headset A motorcycle helmet formed from an impact resistant shell for covering and protecting the head of a user has audio receiver members mounted on the interior of the shell and has a microphone at one end of a boom within the helmet. The microphone is located... | 06/13/2000 |
| 6069964 | Earphone-microphone-earmuff assembly The main components of an earphone-microphone-earmuff assembly are an earphone, a microphone and an earmuff. Besides using the assembly as a whole, each component can be independently used as well. The assembly has several pairs including a mounting cap, ... | 05/30/2000 |
| 6058315 | Speaker assembly for a radiotelephone A speaker (302) is arranged in an enclosure formed by a front housing portion (200) and a rear housing portion (202), so that an air-gap is between a diaphragm (314) of the speaker and ports (114) formed in the front housing that face the diaphragm. The a... | 05/02/2000 |
| 6055312 | Telephone handset convertible into a telephone headset This invention relates to a telephone handset transformable into a telephone headset. The assembly includes a main unit (10) fitted with a first receiver and a microphone and a unit (12) movable in relation to the main unit that can incorporate a second r... | 04/25/2000 |
| 6041130 | Headset with multiple connections A headset, and a method for using a headset, to communicate with two separate devices. The headset comprises a mounting member for mounting and holding the headset on the head of a wearer, at least a first speaker, and means for connecting the speaker to ... | 03/21/2000 |
| 6038329 | Earphone device An earphone device independently securable to each ear, with a retainer having two ends. A speaker is coupled to one end of the retainer while a cushion disc is coupled to the other end, and is designed to fit within a recessed area of the outer ear. The ... | 03/14/2000 |
| 6038312 | Telephone supporting device A new telephone supporting device for preventing cricks and cramps in the neck caused by holding a phone between the head and shoulder. The inventive device includes a headband having a generally inverted U-shaped configuration. A lower end has an elongat... | 03/14/2000 |
| 6016347 | Optical switch for headset An optical switch for controlling an operative condition of a headset. The headset includes a microphone boom that is rotatable with respect to a housing for the headset. A rotator element is coupled to the microphone boom such that the rotator element ro... | 01/18/2000 |
| 6006115 | Wireless headphones for entertainment and telephonic communication A pair of wireless headphones receives radio frequency transmissions from a sound system to provide music and other audio programming to a user who is free to move anywhere within the range of the transmissions. A telephone base unit also broadcasts notif... | 12/21/1999 |
| 5970155 | Headset for hearing protectors The invention relates to a headset (1) for a hearing protector provided with a padding part (12) having an essentially elliptical ear opening (18). The headset comprises a microphone (2), an earphone (3), and conducting wires (7) for bringing signals to t... | 10/19/1999 |
| 5943627 | Mobile cellular phone The present invention relates to a mobile cellular phone, the mobile cellular phone including: a radio handset and a mobile cellular phone body for transmitting and receiving a sound and a signal information through a wireless channel; and a holder dispos... | 08/24/1999 |
| 5903644 | Monaural communication device A monaural communication device is composed of a housing for receiving a receiver and a support component which is resiliently connected to the housing and is to be worn binaurally. The support component is constructed symmetrically and the housing and/or... | 05/11/1999 |
| 5881149 | Portable communications device with wireless transmitter and detachable earpiece including a wireless receiver The invention relates to a device for receiving and/or sending communication signals and consists of at least two parts, a first detachable part and a second, body part. The first part can be moved to an in use position whereby the same is placed on or to... | 03/09/1999 |
| 5844984 | Two-way communications earset with filter A two way voice communications earset which is situated in the ear of the user and which includes a filter in an audio signal loop coupling a microphone and a speaker of the earset.... | 12/01/1998 |
| 5845197 | Portable electronic device with associated earphone A portable transceiver includes a transceiver body including a microphone, and an earphone including an earphone body physically separated from the transceiver body when in use, and a cord. The cord has one end connected to the transceiver body and the ot... | 12/01/1998 |
| 5841859 | Structure of a telephone receiver A structure of a telephone receiver mainly comprises a transmission portion, a receiving portion and an expansion bracket connected therebetween wherein a transmitter and a receiver are installed on the two sides of the end portions of said transmission p... | 11/24/1998 |
| 5841858 | Phone handset housing assembly A phone handset housing assembly that includes an upper and a lower handset housing unit that are interconnected by a resilient over-the-head combined support band/communications conduit, the upper and lower handset housing units being configurable in han... | 11/24/1998 |
| 5828749 | Phone holder kit A phone holder kit comprising a box-like cradle (10, 100, 200) for accommodating a telephone set (11) and a pair of flexible headbands (12 and 14) for supporting the cradle on the user's head. Addition support is ensured by a ear mount (16) attached to th... | 10/27/1998 |
| 5812659 | Ear microphone with enhanced sensitivity An ear-mounted microphone device configured for being supported in the ear. The microphone device includes a microphone element contained within a housing which is configured at one end to be mounted at a user's ear canal. When the housing is so mounted, ... | 09/22/1998 |
| 5796821 | Hearing aid telephone interconnect system A hearing aid telephone interconnect system for permitting hearing impaired persons to use conventional telephone instruments employs a T-coupler adapted to hook over the ear of a user of a conventional behind-the-hear, in-the-ear, or eyeglass hearing aid... | 08/18/1998 |
| 5794163 | Headset for hands-free wireless telephone A wireless telephone using an RF receiver unit and an RF transmitter unit and having a removable headset, the telephone and headset particularly suitable for applications where the RF transmitter unit is switched on and off at a frequency less than twenty... | 08/11/1998 |
| 5793865 | Cordless headset telephone A cordless headset telephone for cordless hands free telephone communication between a base unit and the headset. The cordless headset has a first and third operable position as a headset and a second operable position as a hand held telephone receiver.... | 08/11/1998 |
