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Class Information
Number: 455/26.1
Name: Telecommunications > Use or access blocking (e.g., locking switch)
Description: Subject matter which blocks access to a signal source or otherwise limits usage of modulated carrier equipment.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7363023 |
Information processing unit |
Apr. 22, 2008 |
| 7324807 |
Information processing unit |
Jan. 29, 2008 |
| 7321756 |
Information processing unit |
Jan. 22, 2008 |
| 7321757 |
Information processing unit |
Jan. 22, 2008 |
| 7321758 |
Information processing unit |
Jan. 22, 2008 |
| 7321759 |
Information processing unit |
Jan. 22, 2008 |
| 7321760 |
Information processing unit |
Jan. 22, 2008 |
| 7289764 |
Cardholder interface for an access control system |
Oct. 30, 2007 |
| 7039425 |
Terminal usage limiting apparatus |
May. 2, 2006 |
| 6970705 |
Multipoint communication system and multipoint communication method |
Nov. 29, 2005 |
| 6882635 |
Coexistence between interfering communication systems |
Apr. 19, 2005 |
| 6813475 |
Interference attenuating remote audience survey system and method |
Nov. 2, 2004 |
| 6785533 |
Automatic radio wave output limiting system for portable telephone set |
Aug. 31, 2004 |
| 6459902 |
System and method for selectively blocking or dropping calls in a telecommunications network |
Oct. 1, 2002 |
| 6459891 |
Wireless device, control system and methods for protected sites with operation according to interference parameters |
Oct. 1, 2002 |
| 6370363 |
Character inputting method for a handy phone using a seesaw key and a device thereof |
Apr. 9, 2002 |
| 6370400 |
Method for avoiding fraudulent use of a mobile radiotelephone by blocking an interface after a certain inactive period of time and mobile radiotelephone performing the same |
Apr. 9, 2002 |
| 6275679 |
Secure communication using array transmitter |
Aug. 14, 2001 |
| 6272325 |
Method and apparatus for considering user terminal transmitted power during operation in a plurality of different communication systems |
Aug. 7, 2001 |
| RE36988 |
Terminal authorization method |
Dec. 12, 2000 |
| 6134423 |
Satellite communications system having gateway-based user RF exposure monitoring and control |
Oct. 17, 2000 |
| 6131032 |
Method and apparatus for monitoring users of a communications system |
Oct. 10, 2000 |
| 6091949 |
Location triggered barring of call forwarding |
Jul. 18, 2000 |
| 6064972 |
Risk management technique for network access |
May. 16, 2000 |
| 6052577 |
Portable telephone use limiting system and portable telephone |
Apr. 18, 2000 |
| 5940589 |
Method and apparatus for validating a subscriber terminal on a telecommunication network |
Aug. 17, 1999 |
| 5912696 |
Multidimensional rating system for media content |
Jun. 15, 1999 |
| 5898783 |
System and method for employing a telecommunications network to remotely disable a SIM or smartcard |
Apr. 27, 1999 |
| 5862470 |
Time shared multiple unit operation in a communication system |
Jan. 19, 1999 |
| 5826171 |
Mobile-radio system with a reconnaissance device contained in a base station |
Oct. 20, 1998 |
| 5802445 |
Methods and apparatus for providing user RF exposure monitoring and control in a satellite communications system |
Sep. 1, 1998 |
| 5761609 |
Limited use circuit |
Jun. 2, 1998 |
| 5745677 |
Method for reprogramming a communicaton unit's access to a wireless communication system |
Apr. 28, 1998 |
| 5719937 |
Multi-media copy management system |
Feb. 17, 1998 |
| 5615246 |
Method and apparatus for spurious signal detection and disconnection in a hybrid fiber/coax network architecture |
Mar. 25, 1997 |
| 5592540 |
Method and apparatus for selectively delivering telephony signals on a hybrid coaxial cable network |
Jan. 7, 1997 |
| 5524217 |
System having different signal transfer modes for detecting and restoring logical levels and blocking operation when restored signal outputs are on a predetermined level |
Jun. 4, 1996 |
| 5493692 |
Selective delivery of electronic messages in a multiple computer system based on context and environment of a user |
Feb. 20, 1996 |
| 5465387 |
Adaptive fraud monitoring and control |
Nov. 7, 1995 |
| 5465113 |
Programmable channel regulating cable television controller |
Nov. 7, 1995 |
| 5408258 |
Method of automatically qualifying a signal reproduction device for installation of monitoring equipment |
Apr. 18, 1995 |
| 5287539 |
Interdiction program denial system for jamming audio and video signals |
Feb. 15, 1994 |
| 5255318 |
Expandable cable television subscriber control system |
Oct. 19, 1993 |
| 5222247 |
Method for maximizing channel selection in a communication system |
Jun. 22, 1993 |
| 5172111 |
Stored media screening device |
Dec. 15, 1992 |
| 5168372 |
Video control system |
Dec. 1, 1992 |
| 5140633 |
Cable subscriber control device using shared jamming modules |
Aug. 18, 1992 |
| 5091937 |
CATV terminal unit |
Feb. 25, 1992 |
| 5001554 |
Terminal authorization method |
Mar. 19, 1991 |
| 4972480 |
Holographic communications device and method |
Nov. 20, 1990 |
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