US5095382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wireless headphone
Assignee: Sony Corp
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Filing: 1990-03-14
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Granted: 1992-03-10
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Expires: 2010-03-14
Abstract
Abstract A wireless headphone in which an infra-red light signal transmitted from a transmitting apparatus is received and reproduced as an audible sound by a headphone unit portion. A first light receiving element is provided on a top portion of a head band portion of the headphone so that, when a listener wears the wireless headphone, a light receiving surface included in the first light receiving element is directed rearward. Second and third light receiving elements are provided on the pair of headphone unit portions so that, when the listener wears the wireless headphone light receiving surfaces included in the second and third light receiving elements are directed forward.
Inventors
- 👤 Kensasku Abe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:40
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/10; H04R5/00; H04R5/033; H04R5/0335; H04B; H04B10/00; H04B10/11; H04B10/114; H04R1/1025; H04R1/1008; H04R1/1041; H04R2420/00; H04R2420/07; H04R5/04
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
165 words
A wireless headphone having charging terminals for charging a secondary battery included within said wireless headphone, said wireless headphone comprising: change-over switch means included in said headphone for selectively changing-over between an operable state, in which power is supplied from said secondary battery to said headphone so as to turn on said headphone, and an inoperable state, in which power is inhibited from being supplied from said secondary battery to said headphone so as to effectively turn off said headphone; and opening and closing means coupled to said switch means for respectively uncovering and covering said charging terminals in accordance with the operation of said switch means, said opening and closing means covering said charging terminals when said switch means switches said headphone to said operable state and said opening and closing means uncovering said charging terminals when said switch means switches said headphone to said inoperable state, so as to provide access to said charging terminals to allow said secondary battery to be recharged.
Claim 2
Dependent Claim
165 words
A wireless headphone having charging terminals for charging a secondary battery included within said wireless headphone, said wireless headphone comprising: change-over switch means included in said headphone for selectively changing-over between an operable state, in which power is supplied from said secondary battery to said headphone so as to turn on said headphone, and an inoperable state, in which power is inhibited from being supplied from said secondary battery to said headphone so as to effectively turn off said headphone; and opening and closing means coupled to said switch means for respectively uncovering and covering said charging terminals in accordance with the operation of said switch means, said opening and closing means covering said charging terminals when said switch means switches said headphone to said operable state and said opening and closing means uncovering said charging terminals when said switch means switches said headphone to said inoperable state, so as to provide access to said charging terminals to allow said secondary battery to be recharged.
Claim 3
Dependent Claim
31 words
A wireless headphone according to claim 1, wherein said charging terminals are located on said headphone at positions which are adjacent to a listener's head when said listener wears said headphone.
Claim 4
Dependent Claim
33 words
A wireless headphone according to claim 2, wherein said headphone includes a head band portion and, in which, said charging terminals are located on an inner surface side of said head band portion.
Claim 5
Dependent Claim
42 words
A wireless headphone according to claim 1, wherein said opening and closing means includes a switch knob which is slidably provided on said headphone and, in which said change-over switch means is operated in response to the slidably movement of said knob.
Claim 6
Dependent Claim
71 words
An improved wireless headphone system for transmitting and receiving a signal having transmitting means for transmitting said signal and a wireless headphone including receiving means for receiving said signal from said transmitting means, in which the improvement comprises: said wireless headphone powered by a secondary battery and having a charging portion; and said transmitting means having terminals which are engageable with said charging portion for enabling recharging of said secondary battery.
Claim 7
Dependent Claim
71 words
An improved wireless headphone system for transmitting and receiving a signal having transmitting means for transmitting said signal and a wireless headphone including receiving means for receiving said signal from said transmitting means, in which the improvement comprises: said wireless headphone powered by a secondary battery and having a charging portion; and said transmitting means having terminals which are engageable with said charging portion for enabling recharging of said secondary battery.
Claim 8
Dependent Claim
28 words
A wireless headphone system according to claim 5, wherein said secondary battery operates said receiving means and said transmitting means includes charging means for charging said secondary battery.
Claim 9
Dependent Claim
29 words
A wireless headphone system according to claim 6, wherein said charging portion includes charging terminals and said terminals of said transmitting means are output terminals for said charging means.
Claim 10
Dependent Claim
27 words
A wireless headphone system according to claim 5, wherein said transmitting means includes a transmitting portion arrangeable to adjust the angle at which said signal is transmitted.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-03-10 | 1995-09-09 | 1996-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-03-10 | 1999-09-09 | 2000-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-03-10 | 2003-09-09 | 2004-03-10 | $7700.00 | Window Closed / Lapsed |