Telephonic communications – Terminal – Housing or housing component
Patent
1996-05-20
1998-07-28
Chiang, Jack
Telephonic communications
Terminal
Housing or housing component
H04M 100
Patent
active
057871663
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a telephone communication headset comprising an earphone, a microphone, and means for holding the headset by the operator's head.
BACKGROUND OF THE INVENTION
Many people spend a large part of their working day on the telephone. In spite of access to loudspeaker-telephones it is still common practice to hold the receiver against the shoulder when both hands are needed for turning pages etc.
Loudspeaker-telephones do not give an adequate sound quality, which is why they are seldom used for more than making the connection and conference-conversations.
When using the telephone in a car the wind-noise constitutes an additional inconvenience factor during so-called hands-free operation. It is, however, not suitable to hold the receiver by hand, and in certain situations even dangerous, and holding it against the shoulder is even more dangerous or, in many cases, not even possible.
An additional type is represented by telephone receivers which are worn on the head, so-called headsets. A telephone headset is previously known which consists of a U-shaped support extending over the top of the head from one ear to the other. On one of the shanks of the U-shaped support, or sometimes on both, an earphone is positioned, which is pressed against the ear with a flat portion. The U-shaped support additionally carries a microphone arrangement extending forwardly to the operator's mouth. This device enables a firm hold of the apparatus, but nevertheless suffers from a number of inconveniences.
Telephone headsets of this kind are currently used, due to the above inconveniences, predominantly by persons working with telephone communication long working hours and particularly in noisy environments. Nowadays however, telephone communication takes place more and more often simultaneously with other activities, such as driving and customer service, for example in hotel receptions. In such cases, said inconveniences are unacceptable. Particularly in conjunction with customer service it is necessary to have the telephone receiver as un-noticeable as possible, whilst allowing alternating telephone communication and direct calls to another person without requiring handling.
Therefore, another type of headset has been provided, which is worn directly on the ear without any U-shaped head support and which may thereby have a smooth shape and low weight, such that wearing it becomes almost unnoticeable and barely noticeable for bystanders. Telephone receivers and headsets of this type are known from U.S. Pat. No. 4,893,344 (Tragardh et al) and EP,A2,0 396 300 (Scott). These devices, as well as other devices of the same main category require a support by clip-action around one of the operator's ears. The leverage from the microphone-arm of the device is hereby counter-acted, said arm having to be made to a certain length since it is designed to extend from the ear to a position close to the mouth, where its sound-receiving opening should be positioned. This clip-action on the outer ear results in the device having to be provided with an adjustable means, which may have to be handled in each donning-situation and particularly if the headset is transferred between different persons. The contact required for the support may result in discomfort and if, on the other hand, it is too loose, the receiver will have an unsteady support and there is a particular risk of the relatively long microphone-arm rotating downwardly as a result of body-movements, and thus being displaced from its position.
SUMMARY OF THE INVENTION
The telephone headset according to the invention belongs to the second mentioned type of headset. The invention is thereby directed towards eliminating said disadvantages and achieving such a steady support in the position of use, that said position is maintained even when the operator is moving, without resorting to special supporting means. This is achieved according to the invention by a weight-balancing of the headset, such that it strives to maintain its correct position
REFERENCES:
patent: 4893344 (1990-01-01), Tragardh et al.
patent: 4972468 (1990-11-01), Murase et al.
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