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US4930148A Expired / Lapsed US ⏱️ 0.0 years remaining

Headband radiophone combination set

Assignee: Individual
•
Filing: 1989-10-23
•
Granted: 1990-05-29
•
Expires: 2009-10-23
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Abstract

Abstract A headband radiophone combination set uses a control circuit and a receiver-transmitter circuit to reciprocally transmit or receive signal through an antenna to communicate with the antenna and the receiver-transmitter circuit of a main switching unit for internal, external and regular alternative telecommunication.

Inventors

  • 👤 Hsiao-Chung Lee

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:22
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/04; H04M1/05; H01; H01Q; H01Q1/00; H01Q1/27; H01Q1/273

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 199 words
A headband radiophone combination set, including comprising: a headband radiophone including a circular supporting band having mounted thereon a charging board, a miniature antenna and a ringer and having connected thereto a first and a second adjusting bar respectively at both ends a main earphone having set therein a control circuit, a receiver-transmitter circuit, and a volume control knob, and being pivotably connected with a mouthpiece link at one end and fixedly connected with said first adjusting bar at the other end, an auxiliary earphone connected to said second adjusting bar by means of a connection, a mouthpiece fixedly connected to said mouthpiece link, and a keyboard movably connected to said mouthpiece; and a main switching unit, comprising an input key portion for signal input, a receiver and a mouthpiece and a hand set for communication, a volume control knob for volume control, a receiver-transmitter circuit and an antenna for transmitting signal input through said input key portion to said headband radiophone; characterized in that said headband radiophone uses its control circuit, receiver-transmitter circuit and miniature antenna to reciprocally communicate with the antenna and the receiver-transmitter circuit of said main switching unit for internal, external or regular alternative telecommunication.
Claim 2
Dependent Claim 199 words
A headband radiophone combination set, including comprising: a headband radiophone including a circular supporting band having mounted thereon a charging board, a miniature antenna and a ringer and having connected thereto a first and a second adjusting bar respectively at both ends a main earphone having set therein a control circuit, a receiver-transmitter circuit, and a volume control knob, and being pivotably connected with a mouthpiece link at one end and fixedly connected with said first adjusting bar at the other end, an auxiliary earphone connected to said second adjusting bar by means of a connection, a mouthpiece fixedly connected to said mouthpiece link, and a keyboard movably connected to said mouthpiece; and a main switching unit, comprising an input key portion for signal input, a receiver and a mouthpiece and a hand set for communication, a volume control knob for volume control, a receiver-transmitter circuit and an antenna for transmitting signal input through said input key portion to said headband radiophone; characterized in that said headband radiophone uses its control circuit, receiver-transmitter circuit and miniature antenna to reciprocally communicate with the antenna and the receiver-transmitter circuit of said main switching unit for internal, external or regular alternative telecommunication.
Claim 3
Dependent Claim 42 words
The headband radiophone combination set as set forth in claim 1, wherein said connection which connects said auxiliary earphone to said second adjusting bar may be a separable rapid connection or a connection which is not separable but collapsible to bend upward.
Claim 4
Dependent Claim 33 words
The headband radiophone combination set as set forth in claim 1, wherein said charging board comprises charging holes horizontally as well as vertically to fit in with chargers for charging in different direction.
Claim 5
Dependent Claim 28 words
The headband radiophone combination set as set forth in claim 1, wherein said headband radiophone may be charged by said main switching unit or by an independent charger.
Claim 6
Dependent Claim 37 words
The headband radiophone combination set as set forth in claim 1, wherein said keyboard may be eliminated from said headband radiophone so that said headband radiophone may exclusively serve as a receiver to specifically receive outside signal.
Claim 7
Dependent Claim 23 words
The headband radiophone combination set as set forth in claim 1, wherein said main switching unit is a regular home use wireless prestafone.
Claim 8
Dependent Claim 21 words
The headband radiophone combination set as set forth in claim 1, wherein said main switching unit is a mobile telephone set.

References Cited (Backward Citations)

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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) 1993-05-28 1993-11-27 1994-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1997-05-28 1997-11-27 1998-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2001-05-28 2001-11-27 2002-05-29 $7700.00 Window Closed / Lapsed

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