← Back to Patent Explorer
US6122486A Expired / Lapsed US ⏱️ 0.0 years remaining

Transmission restricting device radio communication terminal equipment and transmission restricting system using these

Assignee: NEC Corp
•
Filing: 1998-05-21
•
Granted: 2000-09-19
•
Expires: 2018-05-21
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Disclosed is a transmission restricting system which has a transmission interruption controlling means for generating and radiating a magnetic field pattern including a command code to command the transmission interruption to a radio communication terminal equipment in a radio-wave transmission-prohibited area, the transmission interruption controlling means being disposed at the entrance or exit of the radio-wave transmission-prohibited area; a transmission interruption releasing means for generating and radiating a magnetic field pattern including a command code to command the releasing of transmission interruption to the radio communication terminal equipment in the radio-wave transmission-prohibited area, the transmission interruption releasing means being disposed at the entrance or exit of the radio-wave transmission-prohibited area; and a radio communication terminal equipment comprising means for detecting a magnetic field pattern including a command code to command the transmission interruption or the releasing of transmission interruption, and means for controlling the process of the transmission interruption or the releasing of transmission interruption according to the result of the detection of the detecting means.

Inventors

  • 👤 Masahiko Tanaka
  • 👤 Kenji Okita

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 00:05
CPC Classifications
H; H04; H04W; H04W48/00; H04W48/02; H04W48/04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/44; H04M; H04M1/00; H04M1/72; H04M1/724; H04M1/72448; H04M1/72457; H04M1/60; H04M1/6033; H04M1/6041; H04M1/66

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 95 words
A transmission restricting device, comprising: a transmission interruption controlling means for generating and radiating a magnetic field pattern including a command code to command the transmission interruption to a radio communication terminal equipment which normally can transmit radio-wave transmissions to prevent the transmission of radio-wave transmissions in a radio-wave transmission-prohibited area; and a transmission interruption releasing means for generating and radiating a magnetic field pattern including a command code to command the releasing of transmission interruption to said radio communication terminal equipment to allow the transmission of radio-wave transmissions by the radio communication terminal equipment.
Claim 2
Dependent Claim 95 words
A transmission restricting device, comprising: a transmission interruption controlling means for generating and radiating a magnetic field pattern including a command code to command the transmission interruption to a radio communication terminal equipment which normally can transmit radio-wave transmissions to prevent the transmission of radio-wave transmissions in a radio-wave transmission-prohibited area; and a transmission interruption releasing means for generating and radiating a magnetic field pattern including a command code to command the releasing of transmission interruption to said radio communication terminal equipment to allow the transmission of radio-wave transmissions by the radio communication terminal equipment.
Claim 3
Dependent Claim 25 words
A transmission restricting device, according to claim 1, wherein: said magnetic field pattern is generated according to a predetermined pattern to be stored in advance.
Claim 4
Dependent Claim 97 words
A radio communication terminal equipment, comprising: means for detecting a magnetic field pattern including a command code to command the transmission interruption, to prevent the transmission of radio-wave transmissions by the radio communication terminal equipment, or the releasing of transmission interruption to allow the transmission of radio-wave transmissions by the radio communication equipment and means for controlling the radio communication terminal equipment in the transmission interruption to prevent the transmission of radio-wave transmissions or the releasing of transmission interruption to allow the transmission of radio-wave transmissions according to the result of the detection of said detecting means.
Claim 5
Dependent Claim 97 words
A radio communication terminal equipment, comprising: means for detecting a magnetic field pattern including a command code to command the transmission interruption, to prevent the transmission of radio-wave transmissions by the radio communication terminal equipment, or the releasing of transmission interruption to allow the transmission of radio-wave transmissions by the radio communication equipment and means for controlling the radio communication terminal equipment in the transmission interruption to prevent the transmission of radio-wave transmissions or the releasing of transmission interruption to allow the transmission of radio-wave transmissions according to the result of the detection of said detecting means.
Claim 6
Dependent Claim 33 words
A radio communication terminal equipment, according to claim 3, wherein: said detecting means outputs the detection of the magnetic field pattern when said magnetic field pattern corresponds to a predetermined magnetic field pattern.
Claim 7
Dependent Claim 35 words
A radio communication terminal equipment, according to claim 3, wherein: said detecting means is allowed to detect said magnetic field pattern even when the power source of said radio communication terminal equipment is turned off.
Claim 8
Dependent Claim 35 words
A radio communication terminal equipment, according to claim 4, wherein: said detecting means is allowed to detect said magnetic field pattern even when the power source of said radio communication terminal equipment is turned off.
Claim 9
Dependent Claim 228 words
A transmission restricting system, comprising: a transmission interruption controlling means for generating and radiating a magnetic field pattern including a command code to command the transmission interruption to a radio communication terminal equipment which normally can transmit radio-wave transmissions to prevent the transmission of radio-wave transmissions in a radio-wave transmission-prohibited area, said transmission interruption controlling means being disposed at the entrance or exit of said radio-wave transmission-prohibited area; and a transmission interruption releasing means for generating and radiating a magnetic field pattern including a command code to command the releasing of transmission interruption to said radio communication terminal equipment to allow the transmission of radio-wave transmissions by the radio communication terminal equipment, said transmission interruption releasing means being disposed at the entrance or exit of said radio-wave transmission-prohibited area; and a radio communication terminal equipment comprising means for detecting a magnetic field pattern including a command code to command the transmission interruption, to prevent the transmission of radio-wave transmissions by the radio communication terminal equipment, or the releasing of transmission interruption to allow the transmission of radio-wave transmissions by the radio communication terminal equipment and means for controlling the radio communication terminal equipment in the transmission interruption to prevent the transmission of radio-wave transmissions or the releasing of transmission interruption to allow the transmission of radio-wave transmissions according to the result of the detection of said detecting means.
Claim 10
Dependent Claim 228 words
A transmission restricting system, comprising: a transmission interruption controlling means for generating and radiating a magnetic field pattern including a command code to command the transmission interruption to a radio communication terminal equipment which normally can transmit radio-wave transmissions to prevent the transmission of radio-wave transmissions in a radio-wave transmission-prohibited area, said transmission interruption controlling means being disposed at the entrance or exit of said radio-wave transmission-prohibited area; and a transmission interruption releasing means for generating and radiating a magnetic field pattern including a command code to command the releasing of transmission interruption to said radio communication terminal equipment to allow the transmission of radio-wave transmissions by the radio communication terminal equipment, said transmission interruption releasing means being disposed at the entrance or exit of said radio-wave transmission-prohibited area; and a radio communication terminal equipment comprising means for detecting a magnetic field pattern including a command code to command the transmission interruption, to prevent the transmission of radio-wave transmissions by the radio communication terminal equipment, or the releasing of transmission interruption to allow the transmission of radio-wave transmissions by the radio communication terminal equipment and means for controlling the radio communication terminal equipment in the transmission interruption to prevent the transmission of radio-wave transmissions or the releasing of transmission interruption to allow the transmission of radio-wave transmissions according to the result of the detection of said detecting means.
Claim 11
Dependent Claim 22 words
A transmission restricting system, according to claim 7, wherein: said radio-wave transmission-prohibited area is the inside of a hospital or a vehicle.
Claim 12
Dependent Claim 36 words
A transmission restricting system, according to claim 7, wherein: said transmission interruption releasing means has part to radiate the magnetic field pattern closer to said entrance or exit than that of said transmission interruption controlling means.
Claim 13
Dependent Claim 36 words
A transmission restricting system, according to claim 8, wherein: said transmission interruption releasing means has part to radiate the magnetic field pattern closer to said entrance or exit than that of said transmission interruption controlling means.
Claim 14
Dependent Claim 49 words
A transmission restricting system, according to claim 7, further comprising means for monitoring the state of vehicle engine, wherein: said radio-wave transmission-prohibited area is the inside of a vehicle, and said transmission interruption controlling means and said transmission interruption releasing means operates according to the result of the monitoring.
Claim 15
Dependent Claim 42 words
A transmission restricting system, according to claim 11, further comprising means for detecting the speed of said vehicle, wherein: said transmission interruption controlling means and said transmission interruption releasing means operates according to the result of the detection of the vehicle speed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2003-09-19 2004-03-20 2004-09-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2007-09-19 2008-03-20 2008-09-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2011-09-19 2012-03-20 2012-09-19 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag