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US5638441A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable telephone apparatus with rotatable cover allowing enhanced option key access

Assignee: Mitsubishi Electric Corp
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Filing: 1995-06-05
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Granted: 1997-06-10
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Expires: 2015-06-05
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Abstract

Abstract In the main body of a portable telephone apparatus, there are provided an operation section, which contains at least one option key having a communication function other than a dial key or dial function, a speaker for outputting a voice from a remote calling party, and a microphone for receiving and sending a user's voice to the remote party. A cover which allows the option key to be exposed while concealing the rest of the operation section is rotatably attached to the main body. With this construction, it is made possible for the user to operate the option key either directly or indirectly while the cover is closed. Further, it is possible to reduce the complexity of the operation when calls are received.

Inventors

  • 👤 Yoshihiro Hattori
  • 👤 Naoki Ikeda
  • 👤 Yoshifumi Sagane
  • 👤 Satoshi Shinya

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 11:14
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/0202; H04M1/0206; H04M1/0208; H04M1/0214

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 126 words
A portable telephone apparatus having a telephone apparatus main body comprising: (a) an operating means including at least one option key having a communication function other than a dial key or dial function; (b) a speaker for outputting a voice from a remote party; and (c) a microphone for sending a voice to said remote party; wherein a cover is rotatably attached to the telephone apparatus main body, said cover, when closed, concealing said operating means while allowing said at least one option key to be exposed through an opening in said cover, and wherein said cover has a hole cover, said hole cover being able to open and close said opening while said operating means is concealed by the closing of said rotatably attached cover.
Claim 2
Dependent Claim 126 words
A portable telephone apparatus having a telephone apparatus main body comprising: (a) an operating means including at least one option key having a communication function other than a dial key or dial function; (b) a speaker for outputting a voice from a remote party; and (c) a microphone for sending a voice to said remote party; wherein a cover is rotatably attached to the telephone apparatus main body, said cover, when closed, concealing said operating means while allowing said at least one option key to be exposed through an opening in said cover, and wherein said cover has a hole cover, said hole cover being able to open and close said opening while said operating means is concealed by the closing of said rotatably attached cover.
Claim 3
Dependent Claim 17 words
A portable telephone apparatus according to claim 1, wherein said hole cover is a slidably mounted cover.
Claim 4
Dependent Claim 157 words
A portable telephone apparatus having a telephone apparatus main body comprising: (a) an operating means including at least one option key having a communication function other than a dial key or dial function; (b) a speaker for outputting a voice from a remote party; and (c) a microphone for sending a voice to said remote party; (d) wherein a cover is rotatably attached to the telephone apparatus main body, said cover, when closed, concealing said operating means while allowing said at least one option key to be exposed through an opening in said cover, (e) wherein said microphone is not covered by said cover when said cover is in the closed state, but is exposed, and (f) wherein said cover is provided with an opening cover for said opening, said opening cover allowing said opening to be opened and closed while said operating means is in the concealed state due to said rotatably attached cover being closed.
Claim 5
Dependent Claim 157 words
A portable telephone apparatus having a telephone apparatus main body comprising: (a) an operating means including at least one option key having a communication function other than a dial key or dial function; (b) a speaker for outputting a voice from a remote party; and (c) a microphone for sending a voice to said remote party; (d) wherein a cover is rotatably attached to the telephone apparatus main body, said cover, when closed, concealing said operating means while allowing said at least one option key to be exposed through an opening in said cover, (e) wherein said microphone is not covered by said cover when said cover is in the closed state, but is exposed, and (f) wherein said cover is provided with an opening cover for said opening, said opening cover allowing said opening to be opened and closed while said operating means is in the concealed state due to said rotatably attached cover being closed.

References Cited (Backward Citations)

JPS59135959A Cited
USD306298S Cited
GB2235606A Cited
WO1991013507A1 Cited
US5257310A Cited
JPH0423547A Cited
US5214794A Cited
WO1994013088A1 Cited
US5384844A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2000-06-09 2000-12-09 2001-06-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2004-06-09 2004-12-09 2005-06-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2008-06-09 2008-12-09 2009-06-10 $7700.00 Window Closed / Lapsed

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