Patent US4290683A successfully refreshed from Google Patents.
← Back to Patent Explorer
EP0473402A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Foldable portable telephone

Assignee: NEC Corp
•
Filing: 1991-08-28
•
Granted: —
•
Expires: 2011-08-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A foldable portable telephone which allows the user to operate a power switch thereof and to see the ON/OFF state of the switch as well as a reception state even when put in the user's breast pocket in a folded position. A first and a second casing accomodating a transmitter and a receiver, respectively, are foldably connected together by a hinge mechanism. Indications or indicator indicative of the ON/OFF state of the power switch, an indicator for alerting the user to a call, and an opening for a sounder which produces an alert toner are positioned on or in close proximity to the ends of the casings which are remote from the hinge mechanism.

Inventors

  • 👤 Yoshiharu Tamura
  • 👤 Tatsuru Kojima

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-01 13:40
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/24; H04M1/02; H04M1/0202; H04M1/0206; H04M1/0208; H04M1/0214; H04M1/23; H04M1/236

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 113 words
In afoldable portable telephone including a first and a second casing accomodating respectively a receiver and a transmitter, hinge means foldably connecting said first and second casings to each other at one end of said casings, at least one of a power switch, first indicating means indicative of the ON/OFF state of said power switch, second indicating means for alerting the user of said telephone to the receptionof a call, and an opening for a sounder which produces an alert tone is positioned on or in close proximity to the other end or either one of said first and second casings which is remote from said hinge means when said telephone is folded.
Claim 2
Dependent Claim 49 words
A telephone as claimed in claim 1, wherein said second indicating means is positioned on the other end of said first casing which is remote from said hinge means, said power switch, said first indicating means and said openin being positioned on the other end of said second casing.
Claim 3
Dependent Claim 49 words
A telephone as claimed in claim 1, wherein an antenna is positioned on the end of said first casing which is remote from said hinge means, said power switch, said first and second indicating means and said opening being positioned on or in close proximity to said second casing.
Claim 4
Dependent Claim 62 words
A telephone as claimed in claim 1, wherein an antenna and said opening are positioned on the other end of said first casing which is remote from said hinge means, said power switch and said first and second indicating means being positioned on or in close proximity to the other end of said second second which is remote from said hinge means.
Claim 5
Dependent Claim 89 words
A telephone including first casing means for accommodating first part of circuitry of said telephone, second casing means for accommodating second part of said circuitry, hinge means for foldably connecting said first and second casing means to each other at one ends thereof, a power switch, and indicator means for indicating a state of said telephone, wherein one of said power switch and indicator means is disposed substantially on the other end of either one of said first and second casing means which is remote from said hinge means.
Claim 6
Dependent Claim 37 words
A telephone as claimed in claim 5, wherein said indicator means includes either an indicator for indicating the state of said power switch or an indicator for indicating the reception of a call directed to said telephone.
Claim 7
Independent Claim 71 words
A method of positioning a power switch and an indicator of a telephone having first and second circuitry, including the steps of accommodating said first and second circuitry into first and second casings, respectively; foldably connecting said first and second casings to each other at one ends thereof; and positioning one of said power switch and indicator substantially on the other end of either one of said first and second casings.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag