Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
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:
1 2 3

Patent Number Title Of Patent Date Issued
7627901 Systems and methods for improved media access control Dec. 1, 2009
7623847 Information processing unit Nov. 24, 2009
7590409 Communications system, communications apparatus, and communication method Sep. 15, 2009
7519584 Data processing apparatus, data processing method, data processing system, storage medium, and program Apr. 14, 2009
7502946 Using hardware to secure areas of long term storage in CE devices Mar. 10, 2009
7490340 Selectively de-scrambling media signals Feb. 10, 2009
7490356 End user risk management Feb. 10, 2009
7454169 Method and apparatus for use in securing an electronic device such as a cell phone Nov. 18, 2008
7406702 Broadcasting method and broadcast receiver Jul. 29, 2008
7378939 Method and apparatus for providing proximity based authentication, security, and notification in a wireless system May. 27, 2008
7373106 Mobile terminal device and method of updating program May. 13, 2008
7363023 Information processing unit Apr. 22, 2008
7324807 Information processing unit Jan. 29, 2008
7321760 Information processing unit Jan. 22, 2008
7321759 Information processing unit Jan. 22, 2008
7321758 Information processing unit Jan. 22, 2008
7321757 Information processing unit Jan. 22, 2008
7321756 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
6459891 Wireless device, control system and methods for protected sites with operation according to interference parameters Oct. 1, 2002
6459902 System and method for selectively blocking or dropping calls in a telecommunications network 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
5465113 Programmable channel regulating cable television controller Nov. 7, 1995

1 2 3










 
 
  Recently Added Patents
Foldable cover
Circuit board with handles
Humidity and/or temperature sensor
Method of determining shape of artificial cementless hip prosthesis stem
Turbocharger
Power conversion device
Toner, developer and method for producing toner
  Randomly Featured Patents
Printing apparatus and control method therefor
Oil-collecting ship
One-pot polyepoxide resin formulations comprising glycidyl ester and latent curative
Single crystal YAG color CRT
System and method for detecting CMP endpoint via direct chemical monitoring of reactions
System and method providing rules driven subscription event processing
Articulated delivery system
Work-holding apparatus
Production of directionally limited acoustic power spectra
Sharpness adjustment method and program and electronic endoscope apparatus